FKEC_BID_26-03_ADDENDUM_A_Elastimold_catalog_-_MVI.pdf

Elastimold™ reclosers, switches and switchgear

Elastimold™ molded vacuum switches, interrupters and reclosers are designed to help increase reliability on distribution systems up to 38 kV. The dead-front, solid-dielectric switches and interrupters form the basis for modular, submersible, multi-way switchgear for padmount, vault and subsurface applications. Molded vacuum reclosers, available in single-phase, three-phase and triple-single, offer smart, light and flexible protection for overhead lines.

004 –005 � Switchgear building blocks

006 –009 � Molded vacuum switches and interrupters

012 –013 Small-vault switchgear

014 Padmount switchgear

015 –016 � Molded vacuum interrupter and switchgear controls

017 –019 Tru-Break™ switchgear module

020 –024 Ordering information

025 –032 Switchgear applications

033 –037 Product dimensions

038 –050 Molded vacuum reclosers

051 Index

Table of contents

4 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Two basic components form the basis of Elastimold switchgear:

• Molded vacuum switches (MVS) – Single-and three-phase

• Molded vacuum interrupters (MVI) – Single-and three-phase

These components – When combined with electronic controls, motor operators and SCADA-ready controls – enable you to improve your distribution system’s reliability.

Whether yours is a standard or custom application, ABB has the right combination of components and expertise to fit your needs. The modularity and flexibility of Elastimold switchgear enable the user to combine the different individual components into products that improve the reliability and performance of distribution systems.

The benefits of Elastimold construction

• All switchgear components are fully sealed and submersible

• EPDM molded rubber construction with stainless steel hardware and mechanism boxes

• With no oil or gas to leak, the solid dielectric switchgear is maintenance free

• Deadfront construction insulates, shields and eliminates exposed live parts

• Optional Tru-Break™ switchgear module provides visual confirmation of the isolating gap in the switchgear conducting path for added safety and peace of mind

The versatility to meet your needs

• Small footprint enables components to fit in tight padmount, subsurface, vault or riser pole installations

• Non-position sensitive – can be installed almost anywhere and in any position (e.g. hanging from ceilings, wall mounted, mounted at an angle, riser pole mounted)

• Modular construction allows for any combination of fused, switched and interrupter ways on one piece of switchgear up to 38 kV

The controls and motor operators to make it all work

• Electronic controls for protection and automatic source transfer applications

• Self-powered controls and customized protection curves enable flexibility of settings and operation in different locations throughout the distribution system

• Motor operators for remote or local open/close operation of three-phase switched or interrupter ways enable remote configuration of loops, sectionalizing of feeders and automatic or manual source transfer with a variety of RTUs and communication devices

Switchgear building blocks Overview

Use Elastimold™ switchgear building blocks to create standard configurations and custom designs that improve your distribution system’s reliability.

01 Single-phase MVI

5S W ITCH G E A R B U IL D IN G B LO CK S

Configure Elastimold™ switchgear building blocks to solve challenges in your distribution system.

Elastimold switchgear products can be used in padmount, subsurface wet or dry vaults, small-vault and riser pole installations. They’re classified in three different categories according to the function they perform:

The switching or manual sectionalizing of loads can be accomplished with the use of MVS modules, while overcurrent protection is accomplished using MVI modules, which can be used in conjunction with MVS modules. The simplest manual sectionalizer is a single MVS switch, and the simplest product for overcurrent protection is a single MVI unit. Either of these can be installed in a vault, on a pole or inside a padmount enclosure.

01 Three-phase MVI 02 Single-phase MVS 03 Three-phase MVS 04 Padmount 05 Riser pole 06 Subsurface 07 Small vault

One of the most popular applications is as a replacement for existing oil fuse cutouts.

Two-, three-, four-, five- and six-way units with any combination of MVI and MVS modules are also available in subsurface and padmount styles.

Switches aid in the manual reconfiguration of distribution loops by installing them at the open point in the circuit. Interrupters are applied in underground loops to aid in the sectionalizing of the main feeder, and by providing protection to the loads along the loop.

Please see pages 25–32 for more information on switchgear applications.

6 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

• EPDM molded rubber insulation – MVSs are fully sealed and submersible

• With no gas or oil leak, vacuum switching and vacuum interruption components are maintenance-free

• Small footprint enables MVSs to fit in tight padmount, subsurface, vault or riser-pole installations

Cable connection bushings

43°

Molded vacuum switches and interrupters MVS molded vacuum switches Spring-energy, load-switching devices that make, carry and interrupt load currents through 600 A on 5–38 kV distribution systems.

MVS molded vacuum switches include molded-in elbow connection interfaces and spring-energy mechanisms. Available in both single- and three-phase models, units are manually operated with a hotstick. Motor operator, SCADA and auto-transfer control options are available.

Application information

• Construction: submersible, corrosion resistant, fully shielded

• Operating temperature range: -40 °C to 65 °C

For dimensions, see page 30.

Vacuum interrupter contact system

Silicone rubber diaphragm separates line and ground potential

Open position

Spring-operated mechanism contained within 304 stainless steel housing

Insulated drive rod assembly

Operating handle

Molded EPDM rubber insulation and shielding

Closed position

7M O L D ED VAC U U M S W ITCH E S A N D I NTER R U P TER S

MVS load-break switches have been designed and tested per applicable portions of IEEE, ANSI, NEMA and other industry standards, including:

IEEE C37.74 Standard for subsurface, vault and padmounted load-interrupting switches

IEEE 386 Standard for separable connectors and bushing interfaces

IEC 265 International standards for load-interrupting switches

ANSI C57.12.28 Standard for padmount enclosures

Voltage class (kV) 15 15 15 27 27 27 35

Maximum design voltage (kV) 17 17 15.5 29 29 29 38

Frequency (Hz) 50/60 50/60 50/60 50/60 50/60 50/60 50/60

BIL impulse (kV) 95 95 95 125 125 125 150

One-minute AC withstand (kV) 35 35 35 60 60 60 70

Five-minute DC withstand (kV) 53 53 53 78 78 78 103

Load interrupting and loop switching (Amp) 630 630 630 630 630 630 630

Capacitor or cable charging interrupting (Amp) 10 10 10 15 15 15 20

Asymmetrical momentary and 3-operation fault close (Amp)*

20,000 25,600 32,000 20,000 25,600 64,000 20,000

Symmetrical one-second rating (Amp) 12,500 16,000 20,000 12,500 16,000 40,000 12,500

Continuous current (Amp) 630 630 630 630 630 630 630

Eight-hour overload current (Amp) 900 900 900 900 900 900 900

Current sensor ratio 1,000:1 1,000:1 1,000:1 1,000:1 1,000:1 1,000:1 1,000:1

Mechanism Spring operating

Spring operating

Spring operating

Spring operating

Spring operating

Mag actuator

Spring operating

*800amps configurations available

Certified tests

MVS ratings

8 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Spring-operated mechanism with tripping

Cable connection bushings

Vacuum fault interrupter contact system

Molded EPDM rubber insulation and shielding

• Vacuum interrupters, programmable, electronic, self-powered controls and EPDM rubber insulation provide compact, lightweight and submersible overcurrent protection

• Field programmable with a wide range of time-current characteristic (TCC) curves and trip settings

• TCC curves provide predictable tripping for ease of coordination with upstream and/or downstream protective devices

• Control monitors the circuit condition – when the programmed parameters are exceeded, a signal is sent to the tripping mechanism

• Available motor operators and controls enable radial feeders or loops to be reconfigured, either manually or via SCADA

Molded vacuum switches and interrupters MVI molded vacuum fault interrupters Make, carry and automatically interrupt currents through 25,000 A symmetrical on 5–38 kV distribution systems.

MVI molded vacuum fault Interrupters include molded-in elbow connection interfaces and trip-free mechanisms. They are available in single- and three-phase models.

Application information Construction: submersible, corrosion resistant, fully shielded Operating temperature range: -40 °C to 65 °C

For dimensions, see page 31.

Positive contact position

Operating handle

Silicone rubber diaphragm separates line and ground potential

Insulated drive rod assembly

Control module (1-phase) Sensing module (3-phase)

9M O L D ED VAC U U M S W ITCH E S A N D I NTER R U P TER S

MVI molded vacuum fault interrupters have been designed and tested per applicable portions of IEEE, ANSI, NEMA and other industry standards, including:

ANSI C37.60 Standard for fault interrupters

IEEE 386 Standard for separable connectors and bushing interfaces

ANSI C57.12.28 Standard for padmounted enclosures

Voltage class (kV) 15 15 15 27 35 35

Maximum design voltage (kV) 17 17 15.5 29 38 38

Frequency (Hz) 50/60 50/60 50/60 50/60 50/60 50/60

BIL impulse (kV) 95 95 95 125 150 150

One-minute AC withstand (kV) 35 35 35 40 50 50

15-minute DC withstand (kV) 53 53 53 78 103 103

Load interrupting and loop switching (Amp) 630 630 630 630 630 630

Capacitor or cable charging interrupting (Amp) 10 10 10 25 40 40

Line charging (Amp) 2 2 2 5 5 5

Asymmetrical momentary and 3-operation fault close (Amp)

20,000 25,600 32,000 20,000 20,000 40,000

Symmetrical one-second rating (Amp) 12,500 16,000 20,000 12,500 12,500 25,000

Continuous current (Amp)* 630 630 630 630 630 630

Eight-hour overload current (Amp) 900 900 900 900 900 900

Current sensor ratio 1,000:1 1,000:1 1,000:1 1,000:1 1,000:1 1,000:1

Mechanism Spring operating

Spring operating

Spring operating

Spring operating

Spring operating

Mag actuator

*800 Amps configurations available

Certified tests

MVI ratings

10 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

01 38 kV/25 kA MVI

12.5 kA 16 kA 20 kA 25 kA 40 kA

MVS – three-phase (kV)

15 ● ● ● – –

27 ● ● – – ●

38 ● – – – –

MVI – three-phase (kV)

15 ● ● ● – –

27 ● – – – –

38 ● – – ● –

If you require higher fault-current ratings than the typical 12.5 kA specification, Elastimold™ switchgear is available with ratings of 16 kA, 20 kA, 25 kA and even 40 kA. Please refer to the table below for ratings of specific models.

Three-phase 38 kV/25 kA MVI The three-phase 38 kV/25 kA molded vacuum interrupter (MVI) incorporates the proven combination of the Elastimold EPDM molded insulation with a vacuum interrupter. This solid-dielectric unit features a 25 kA symmetrical fault interrupting vacuum bottle and a magnetic actuator mechanism.

This MVI works with the Elastimold 80 MAX control. The small, lightweight, maintenance-free unit is ideal for padmount, subsurface and vault applications.

02 27 kV/40 kA MVS

Higher fault-current rated switches and interrupters Three-phase 38 kV/25 kA MVI and three-phase 27 kV/40 kA MVS

Three-phase 27 kV/40 kA MVS The three-phase 27 kV/40 kA molded vacuum switch (MVS) incorporates the proven combination of the Elastimold EPDM molded insulation with a load-break switch vacuum bottle. This solid-dielectric unit is small, lightweight and maintenance-free. It meets IEEE C37.74 requirements up to 40 kA symmetrical peak and short-time current withstand tests. The switch uses a magnetic actuator mechanism that requires 120 V AC to operate.

For dimensions, see page 35.

Elastimold switchgear available current ratings

11M O D U L A R S W ITCH G E A R FO R SU B SU R FACE A N D VAU LT A PPL I C ATI O NS

Multi-way subsurface units are built using MVS and MVI modules rated up to 38 kV, as required by your application. These are mounted onto a common molded bus system and assembled on a free-standing, floor-mounted or wall-mounted frame.

The compact, modular design, which fits easily through a manhole cover, allows for combining with other devices. Components are interchangeable, upgradeable and field configurable, and they can be installed in any orientation.

For dimensions, see page 13.

Modular switchgear for subsurface and vault applications

12 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Small-vault switchgear Elastimold™ small-vault switchgear improves safety with manual operation outside the vault

13SM A L L-VAU LT S W ITCH G E A R

ABB has extended its line of underground distribution switchgear with Elastimold small-vault switchgear, which improves safety by allowing the user to access the switchgear from outside the vault with an insulated fiberglass pole (hot stick). In addition to safety, low maintenance and reliability, Elastimold small-vault switchgear fits into new and legacy small-vaults, which minimizes retrofitting costs for investor-owned utilities (IOUs), public power utilities and other power distribution operations.

Safe Allows for manual operation from street level.

• Improved operator safety, visibility and accessibility

• Switchgear designs allows for hot stick operation from street level

• 45° tilt angle improves operator safety through full operability and visibility from street level

Gear Dimensions

Ways

Notes2 3 4 5 6

Small vault Height (in.) 51.62 51.62 51.62 51.62 51.62 Height depends on gear selected and application.

Up to 33% reduction Max. height 60.375"

Width (in.) 50.50 69.35 90.00 110.00 128.75 Up to 14% reduction

Depth (in.) 27.50 27.50 27.50 27.50 27.50 Depth depends on gear selected.

Max. depth 41.75"

Standard modular Height (in.) 76.45 76.45 76.45 76.45 76.45

Width (in.) 48.79 73.83 98.89 122.91 148.98

Depth (in.) 20.00 20.00 20.00 20.00 20.00

01 Small-vault switchgear 02 Standard modular switchgear

Compact 33% reduction in height and 14% reduction in width from standard switchgear.

• 6" adjustable vertical frame allows for customization to each vault

• Reduced height and width allows users to install in compact vaults

Reliable Maintenance-free vacuum and EPDM molded insulation.

proven performance

• Fewer outages and significantly shorter outage duration

• All switchgear components are sealed and fully submersible

14 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Multi-way padmount installations are provided in either double-sided or single-sided painted mild steel enclosures.

01 Single-sided padmount unit 02 Double-sided padmount unit (load side)

12–24 V DC or 120 V AC motor

Ground rod

External electronic control (internal electronic controls also available)

200 A wells available;

600 A bushings (shown)

Mild or stainless steel enclosures available

Current-sensing device

Parking stand

3-phase MVI

Padmount switchgear

The standard enclosure color is Munsell green 7GY 3.29/1.5, with other paint colors available on request. Painted stainless steel or fiberglass enclosures are also available as options.

For dimensions, see page 33.

15M O L D ED VAC U U M I NTER R U P TER A N D S W ITCH G E A R CO NTR O L S

• Self-powered electronic control packages – No batteries or external power are required

• Controls send a signal to the vacuum interrupters to trip open and interrupt the fault when an overcurrent condition is detected

• Field-selectable fuse or relay curves and trip settings – one device for many protection schemes

Molded vacuum interrupters are provided with self-powered electronic control packages requiring no batteries or external power.

Depending on the application, six electronic control options are available for the MVI – See below and on following page.

01 Internal control 02 External control

Molded vacuum interrupter and switchgear controls Choose among various electronic control options to interrupt faults.

Internal control This control is integral to the unit (no separate control box). It is accessible via a computer connection to view or modify settings. This control is used on ganged three-phase or single-phase MVI interrupters. Phase and ground trip, as well as inrush restraint, are available. The E-Set software enables the user to connect to the internal control, either in the shop or in the field, to program or change settings. An MVI-STP-USB programming connector is required to connect between the PC and the MVI. With a computer connected to the MVI control, the user can view real-time currents, the number of overcurrent protection operations, current magnitude of the last trip and the phase/ground fault targets. This is the standard control option.

Note: E-Set can be downloaded from www.elastimoldswitchgear.com.

External control with selectable single-/three-phase trip function (style 80) This control is mounted externally to the mechanism of the interrupter and provides the ability to select between a single-phase trip and a three-phase trip. The 80 can be used with one three-phase interrupter or the 380 control with three single-phase interrupters. For three-phase applications, the ground trip function can be blocked from the front panel. Manual trip and reset target buttons are also located on the front panel.

This control uses the E-Set software, which enables programming via a computer using the MVI-STP- USB adapter. E-Set features custom TCC curves and provides access to the last fault event information, as well as real-time current per phase.

16 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Curve no.

Curve reference no. Curve type

Relay curves (minimum trip 30–600 A)

01 MVI-TCC-01 E slow

02 MVI-TCC-02 E standard

03 MVI-TCC-03 Oil fuse cutout

04 MVI-TCC-04 K

05 MVI-TCC-05 Kearney QA

06 MVI-TCC-06 Cooper EF

07 MVI-TCC-07 Cooper NX-C

08 MVI-TCC-08 CO-11-1

09 MVI-TCC-09 CO-11-2

10 MVI-TCC-10 T

11 MVI-TCC-11 CO-9-1

12 MVI-TCC-12 CO-9-2

13 MVI-TCC-13 Cooper 280ARX

14 MVI-TCC-14 F

16 MVI-TCC-16 Kearney KS

17 MVI-TCC-17 GE relay

18–23 MVI-TCC-18–23 CO-8-1–CO-8-6

24–27 MVI-TCC-24–27 CO-9-3–CO-9-6

28–31 MVI-TCC-28–31 CO-11-3–CO-11-6

Fuse curves (minimum trip 10–200 A)

54 MVI-TCC-54 E slow

55 MVI-TCC-55 E standard

56 MVI-TCC-56 Oil fuse cutout

57 MVI-TCC-57 K

58 MVI-TCC-58 Kearney QA

59 MVI-TCC-59 Cooper NX-C

60 MVI-TCC-60 T

* SEL is a trademark of Schweitzer Engineering Laboratories Inc.

Smart grid ready Works with the industry-leading protection and automation controls

• SEL* automation controls from Schweitzer

Engineering Laboratories

Molded vacuum interrupter and switchgear controls

01 SEL-751A

Feeder protection

02 SEL-451

Automation and auto-transfer controls (standard and fast transfer options)

Elastimold 80 control time current curves (TCCs)

17TR U - B R E A K S W ITCH G E A R M O D U L E

Elastimold solid-dielectric molded vacuum switches, interrupters and switchgear are now available with the Tru-Break switchgear module that makes it easy for linemen to switch the handle to the open position and visually verify the isolating gap in the conducting path. With the certainty that the circuit is open, they can begin their internal process and steps to safely ground the line and perform maintenance on the de-energized, isolated and grounded circuit.

of contact status

• Compact, modular and mechanically interlocked with connected switch or interrupter

• Capable of withstanding full 125 kV basic insulation level (BIL) impulse voltage without needing the vacuum bottle connected in series for voltage withstand support

• Submersible and storm-hardened — designed for use in harsh vault and pad-mount environments

• Retrofittable options available for existing Elastimold three-phase and single-phase MVS switches or MVI interrupters and one- to six-way switchgear

• Tested to the IEEE C37.74-2014 standard

Seeing is believing.

Designed to provide an added level of safety for linemen, the Tru-Break switchgear module is an innovative, hotstick-operable modular unit that mechanically interlocks with the connected switch or interrupter, so that the Tru-Break switchgear module's handle cannot be operated if the switch or interrupter is in the closed position and the vacuum bottle is conducting current.

The modular design offers the important advantage of enabling economical retrofit of the Tru-Break switchgear module to both single-phase and three-phase Elastimold switchgears already installed in the field.

For time-saving convenience and added safety, the 1.75-inch glass-covered viewing windows have hotstick-removable caps to keep them clean for clear, easy viewing of contact status — even in wet, dirty vault applications.

Tru-Break™ switchgear module Because there’s no room for doubt when it comes to safety.

No one should have to guess whether it’s safe to do their job.

With the Tru-Break switchgear module, the answer is always clear.

Open position Closed position

18 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Safe.

• Dead-front construction with clear visual verification of circuit isolation

• Positive-latching handle ensures that unit is in fully open or fully closed position

• EPDM rubber eliminates the need for venting ports required with rigid epoxy constructions

• Capable of withstanding full 125 kV BIL impulse voltage without the need for vacuum bottle series-connected support

• ANSI/IEEE standard 600-amp bolted connection points can be ordered with standard Elastimold cable accessory grounding devices to incorporate easy, built-in grounding capability

Reliable.

• Uses a proprietary EPDM rubber formulation — field proven for over 50 years — on a solid-dielectric platform

• Uses silicone diaphragm and air as an insulating medium

even in the harshest environments

Flexible.

or vault applications

• Compact size minimizes impact to switchgear footprint

• Modular design allows the potential for economical retrofit of existing single-phase and three-phase Elastimold switchgear

* �The Elastimold Tru-Break switchgear module is considered maintenance-free because it contains no oil or gas to monitor or maintain.

Tru-Break switchgear module

19TR U - B R E A K S W ITCH G E A R M O D U L E

Tru-Break switchgear module ratings

Maximum system voltage 17.1 kV and 29.3 kV

Continuous load current 800 A

Short circuit withstand current 20 kA

Power frequency withstand voltage 60 kV AC

Lighting impulse withstand voltage (BIL) 125 kV

Note: Ratings and testing per IEEE/ANSI 37.74.

Elastimold standard three-phase and single-phase switch and interrupter product ratings that can be supplied with the Tru-Break option

12.5 kA 16 kA 20 kA

1-phase or 3-phase MVS molded vacuum switch

15 kV

27 kV

1-phase or 3-phase MVI molded vacuum interrupter

15 kV

27 kV

Tru-Break switchgear module

20 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

• Simplifies and speeds up the configuration of complex switchgear

configurations

Ordering information Elastimold™ switchgear configurator and smart catalog numbering system make ordering easier.

21O R D ER I N G I N FO R M ATI O N

ABB launched a switchgear configurator for modular designs to better service customers, while maintaining desired flexibility and cost effectiveness. The modular designs are classified into two categories: standard and derivative.

Standard types use only the available options listed in the switchgear configurator. Derivative types have minor deviations from the standard design, including but not limited to cabinet color, cabinet size, reverse color indicators and 120 V AC motors.

The standard and derivative configurations are committed to supplying faster turnaround times for drawings and quotations. In addition, the modular design allows for simple and fast switchgear changes, expansions and upgrades.

The configurator has built-in logic to easily configure switchgear options and provide simpler interactions between the customer and the factory.

Any options not outlined in this document, including but not limited to nonstandard cabinet sizes, radios, antennas, custom relays and non-standard wiring, will designate the configuration as custom and will have to be approved by ABB before quotation and order.

Get started now. Visit:

https://productconfigurator.tnb.com/ext/Login https://empower.abb.com/empower/ configurators

Benefits summary

Configurator

Options standard or derivative

Turnaround time for configuration 10 minutes (approximately)

Turnaround time for drawings 2–3 weeks (one time)

Turnaround time for budgetary pricing Standard types: after completion of configuration

Derivative types: 48 hours or less

Turnaround time for estimated delivery time 48 hours

Option A (first time) = 2–3 weeks plus TOPS LT

Lead time for delivery of final product 8–12 weeks target after engineering

Price Cost efficiencies enabling more aggressive pricing

Firm fixed pricing

Change in design requests No charge 2 weeks prior to manufacturing (may impact delivery)

Quantities No minimum quantities

Ordering information Switchgear configurator

Switchgear configurator

22 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Suffix Description

80 External 80 control with selectable single-/three-phase trip function (to be used on ganged three-phase MVI mechanism)

380 External 80 control with selectable single-/three-phase trip function (to be used on three single-phase mechanisms)

EC External control ready (10-pin connection)

MO120A 120 V AC motor controller for MVS3 or MVI3 units (includes standard 30-ft. cable)

MO12D 12–24 V DC motor controller for MVS3 or MVI3 units (includes standard 30-ft. cable)

PS Parking stand for MVS or MVI (between bushings for single- or three-phase units)

MPS Parking stand for MVS3, MVI3 or RMVI3 on mechanism cover

PS6 Double parking stand for MVS3, MVI3 or RMVI3 (between bushings and on mechanism cover)

T Manual Tru-Break (manual MVI3/MVS3 only)

TA* Manual Tru-Break, compatible with 120VAC motor

TD* Manual Tru-Break, compatible with 12/24VDC motor

BT Bail tab plate installed for three-phase units only

P Customer settings to be programmed at the factory

R Position indicator labels (none: standard, R: reverse)

S Language (none: English, S: Spanish)

*Note: Only available in three phase Tru-Break systems

The following diagram shows how to construct a catalog number for molded vacuum switches and interrupters.

1) For riser pole option, specify where to locate air bushings.

2) Wind farm option is only for 38 kV, 600 A interrupter.

3) Air bushings can only be specified for 600 A.

M V 2 1 Suffix

�Indicates field that must be filled in to complete order.

Ordering information Elastimold™ MVS and MVI units

Example: The catalog number for a molded vacuum interrupter on a three-phase, 27 kV system, with 600 A terminal and parking stands between bushings is MVI3212766PS.

Switch type Riser pole1 � R Network� N Wind farm2 � W Subsurface � Blank

Interface 600 A T body � E End interface rotated 180° � R Air bushings (for riser pole)3 � AB

Main interface 200 A bushing well� 2 600 A bushing� 6

Interface 600 A T body � E End interface rotated 180° � R Air bushings (for riser pole)3 � AB

Voltage class (Sym/asym kA)

15.0 kV (12.5/20)� 15

15.0 kV (20/32) interrupter only � 15A

15.0 kV (16/25.6) interrupter only � 15B

27.0 kV (12.5/20)� 27

38.0 kV (12.5/20)� 38

38.0 kV (25/40) interrupter only � 38B

Device Switch � S Interrupter� I

Phases Single-phase� 1 Three-phase� 3

End interface 200 A bushing well� 2 600 A bushing � 6

Controls and accessories

23O R D ER I N G I N FO R M ATI O N

The following diagram shows how to construct a catalog number for multi-way switchgear or transfer packages.

Example: Multi-way switchgear MD3142T2P62XIXXAE000: Multi-way, double-sided padmount, 3-phase, 15.0 kV, 95 kV BIL, 12.5 kA interrupting capability, 4-ways, 2 source ways, source component: three-phase molded vacuum switches (MVS3), 2 load ways, load component:

three-phase molded vacuum interrupter (MVI3), 600 A bushing interfaces (source), 200 A bushing well interfaces (load), source control: none, load control: Elastimold MVI internal control, PT: PT not required, enclosure: mild steel, Munsell green 7GY 3.29/1.5 and flat ground bar, English labels and instructions.

Ordering information Elastimold™ multi-way switchgear and transfer packages

Example: Auto transfer switchgear with SEL* control package TD3242H2P62GHFXAE000: Automatic transfer, double-sided padmount, 3-phase, 27.0 kV, 125 kV BIL, 12.5 kA interrupting capability, 4-ways, 2 source ways, source component: three-phase molded vacuum switches (MVS3) with 12–24 V DC motor and voltage sensors, 2 load ways, load component:

three-phase molded vacuum interrupter (MVI3), 600 A bushing interfaces (source), 200 A bushing well interfaces (load), source control: sel 451-5 relay, load control: SEL 751A relay, PT: two (2) 27 kV PT (13200–14400 V AC (WYE), enclosure: mild steel, Munsell green 7GY 3.29/1.5 and flat ground bar, English labels and instructions.

* SEL is a trademark of Schweitzer Engineering Laboratories, Inc.

�Indicates field that must be filled in to complete order.

Switch type Multi-way switchgear � M Standard auto transfer

– motors � T Fast auto transfer – actuators � F Auto loop restoration � L

Mounting style Double-sided padmount� D Single-sided padmount� P Subsurface (dry vault)� V Subsurface (submersible external control� S Modular double-sided padmount� M Subsurface small vault – angle mount (dry vault control)� T Subsurface small vault – angle mount (submersible control)� R

Voltage class

15.0 kV � 1

27.0 kV � 2

38.0 kV � 3

15.0 kV/ 20 kA � 4

Number of ways 2-way � 2 3-way � 3 4-way � 4 5-way � 5 6-way � 6

Number of source ways 1-way � 1 2-way � 2 3-way � 3 4-way � 4 5-way � 5 6-way � 6

Number of load ways (no. of ways – no.

source ways) None � X 1-way � 1 2-way � 2 3-way � 3 4-way � 4 5-way � 5

Source ways interface 200 A bushing well source� 2 600 A bushing source� 6

Source way components Solid tap/direct bus connection (600 A or 200 A) � B 3-phase MVS switch � T 3-phase MVS switch with motor � U 3-phase MVS switch with motor & voltage sensors � H 3-phase MVS switch with magnetic actuator & voltage sensors (fast transfer units only) � M 3-phase MVI fault interrupter � P 3-phase MVI fault interrupter with motor � R 3-phase MVI fault interrupter with motor & voltage sensors � G

Load way components None � X Solid tap/direct bus connection (600 A or 200 A) � B 1-phase MVS switch � S 3-phase MVS switch � T 3-phase MVS switch with motor � U 3-phase MVS switch with motor & voltage sensors� H 1-phase MVI fault interrupter � J 3-phase MVI fault interrupter � P 3-phase MVI fault interrupter with motor� R 3-phase MVI fault interrupter with motor & voltage sensors� G

Phases 3-phase�3

24 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Example: Auto transfer switchgear with Elastimold control package TD3242H2P62AFFXAE000: Automatic transfer, double-sided padmount, 3-phase, 27.0 kV, 125 kV BIL, 12.5 kA interrupting capability, 4-ways, 2 source ways, source component: three-phase molded vacuum switches (MVS3) with 12–24 V DC motor and voltage sensors, 2 load ways, load component:

three-phase molded vacuum interrupter (MVI3), 600 A bushing interfaces (source), 200 A bushing well interfaces (load), source control: Elastimold automatic transfer control, load control: Elastimold 80 control: TCCs select through E-set software, PT:

two (2) 27 kV PT (13200–14400 V AC (WYE), enclosure: mild steel, Munsell green 7GY 3.29/1.5 and flat ground bar, English labels and instructions.

Online switchgear configurator The ABB online switchgear configurator makes it easy to order Elastimold switchgear by walking you step by step through configuration. See pages 17– 18 for details.

Ordering information Elastimold™ multi-way switchgear and transfer packages

Load ways interface None � X 200 A bushing well load� 2 600 A bushing load� 6

Source controls None � X Internal control � I Elastimold motor control� M Elastimold 80 control: TCCs select through E-Set software� F Elastimold auto transfer control (ATS control)� A SEL 751A relay � H SEL 451 relay � G

Load control None � X Internal control � I Elastimold motor control� M Elastimold 80 control:

TCCs select through E-Set software� F Elastimold SCADA 80 control: TCCs select through E-Set software, SCADA ready� S SEL 751A relay � H

Labels and instructions language English labels and instructions� E Spanish labels and instructions� S

Switchgear alphanumeric characters 0

Solid dielectric PT to power controls None � X One (1) 15 kV PT (7000–7620 V AC (Wye) � A One (1) 27 kV PT (13200–14400 V AC (Wye) � B One (1) 38 kV PT (19000–20750 V AC (Wye) � C One (1) 38 kV PT (34500–38000 V AC (Delta) � D Two (2) 15 kV PT (7000–7620 V AC (Wye) � E Two (2) 27 kV PT (13200–14400 V AC (Wye)� F Two (2) 38 kV PT (19000–20750 V AC (Wye) � G

Enclosure material, enclosure color and ground bar None (subsurface) � X Mild steel, Munsell green 7GY 3.29/1.5 & flat ground bar � A Mild steel, Munsell Canadian green 9GY 1.5/2.6 & flat ground bar � B Mild steel, Munsell green 7GY 3.29/1.5 & round ground bar � C Mild steel, Munsell Canadian green 9GY 1.5/2.6 & round ground bar � D Stainless steel, Munsell green 7GY 3.29/1.5 & flat ground bar � E Stainless steel, Munsell Canadian green 9GY 1.5/2.6 & flat ground bar � F Stainless steel, Munsell green 7GY 3.29/1.5 & round ground bar � G Stainless steel, Munsell Canadian green 9GY 1.5/2.6 & round ground bar �H

�Indicates field that must be filled in to complete order.

Cam-Op, integral position indicator and Tru-Break™ None � X Cam-Ops load ways (600 A ways)� A Cam-Ops source ways (600 A ways)� B Cam-Ops all ways (on all 600 A ways)� C Position indicators load ways (M&M)� D Position indicators source ways (M&M)� E Position indicators all ways (M&M)� F Tru-Break source ways (600 A ways) � G Tru-Break load ways (600 A ways) � H Tru-Break all ways (600 A ways) � J

25O R D ER I N G I N FO R M ATI O N

Load switching is required when:

• A load needs to be isolated to perform maintenance on the line/circuit

load from a different substation and isolate the faulted portion of the loop

In any case, the use of a manual sectionalizer contributes to reduce the length of time that unfaulted or unaffected portions of the system are exposed to an outage. This results in improved reliability of the system as the duration of outages is reduced (i.e. the SAIDI and CAIDI reliability indices). Switching products can be applied as replacements for existing oil fuse cutouts or as manual sectionalizers for loops or radial feeders.

Depending on the application, these sectionalizers may be installed in a vault or inside a padmount enclosure. Pole installations are also available.

Without manual sectionalizing

3 hr./yr.

• SAIFI = [1000 + 1000]/1000 = 2 interruptions/yr.

In this example, a radial feeder is exposed to two failures in one year. Without any manual sectionalizing, all customers are subject to both failures and are out of power until failures are restored. Assuming that the duration of outage one (F1) is 1 hour, and outage 2 (F2) is 2 hours, the calculation of SAIDI shows 3 hours of interruption duration per year.

With MVS manual sectionalizing – Improved reliability!

• MVS manual sectionalizing unit = Shorter restoration time for 500 customers

users; F2 = 1 hr. for 500 users

(500)]/1000 = 2.5 hr./yr.

• SAIFI = [1000 + 1000]/1000 = 2 interruptions/yr.

With the use of an MVS at the midpoint of the feeder, the restoration time is reduced. Once the fault is located, the MVS is open to isolate the faulted portion of the feeder. At this point, the other half of the feeder can be energized, reducing the outage duration or SAIDI from 3 hours to 2.5 hours per year (16.6%).

S1

TF1 F2

T

T

T Breaker 500 users 500 users

MVS

S1

T TF1 F2

T

T

T Breaker 500 users 500 users

Note: NC = normally closed, NO = normally opened

Automatic source transfer

Overcurrent/ sectionalizing

Substation 3

NO

NC

Sectionalizing

NO

Substation 1

Substation 2

Switchgear 2

Critical load

NC NC

Switchgear 1

S

S

S

Switchgear 3 NC

Applications Underground distribution switchgear

01 Similar application of MVS switches in loop configurations contribute to significantly reduce the outage duration.

In these cases, single- or multi-way switch configurations can be applied.

26 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Fault-interrupting devices are used on:

• Feeders to sectionalize, so that if there is a fault, only a small section of the load is affected

• Radial taps deriving from a main feeder or loop, so that a fault on a tap is isolated from the main circuit

• Network transformers to isolate the devices in case of overcurrent, excessive pressure/ temperature, etc.

While a switching device contributes to decrease the duration of outages, fault interrupters contribute to decrease the duration AND frequency of outages (i.e. SAIDI, CAIDI, SAIFI, CAIFI reliability indices).

Without manual or automatic sectionalizing

3 hr./yr.

• SAIFI = [1000 + 1000]/1000 = 2 interruptions/yr.

In this example, a radial feeder is exposed to two failures in one year. Without any automatic sectionalizing (overcurrent protection), all customers are subject to both failures and are out of power until failures are restored. Assuming that the duration of outage one (F1) is 1 hour, and outage two (F2) is 2 hours, the calculation of SAIDI shows 3 hours of interruption duration per year.

The calculation of the frequency of interruptions (SAIFI) shows two interruptions per year.

With MVI automatic sectionalizing – Improved reliability!

• MVI automatic sectionalizing unit = Eliminate one interruption for 500 users

for 500 users

2 hr./yr.

• SAIFI = [1000 + 500]/1000 = 1.5 interruptions/yr.

With the use of an MVI overcurrent fault-interrupting device at the midpoint of the feeder, failure F2 only affects half of the load. Proper protection coordination between the MVI and the substation breaker enables the MVI to clear the fault before any customers between the MVI and the breaker are affected. Frequency and duration of interruption are significantly reduced. SAIDI is reduced from 3 to 2 hours of interruption per year (33%), and SAIFI is reduced from 2 to 1.5 interruptions per year (25%).

Applications Underground distribution switchgear

Steps 2 & 3

S1

TF1 F2

T

T

T Breaker 500 users 500 users

MVI

S1

TF1 F2

T

T

T Breaker 500 users

500 users

27A PPL I C ATI O NS

Products that adapt to ever-changing system load conditions.

Distribution automation solutions Tighter reliability, efficiency and loading requirements of the power system result in the need to keep costs at a minimum. Bringing more automation and intelligence to the power grid network to address numerous power utility concerns – ranging from reducing operational expenses to meeting new regulatory requirements

– has prompted migration toward the next generation of distribution and substation automation.

Elastimold™ distribution automation products provide automation solutions for real-time monitoring of critical feeders, reducing outage duration and supporting the shifting of loads between sources to alleviate overload conditions.

These products offer a complete solution package, including Elastimold switchgear and Schweitzer Engineering Laboratories (SEL) controls such as the SEL* 451, for interoperability and rapid automation implementation. Elastimold™ distribution automation solutions include:

Automatic source transfer (preferred/alternate) loop automation (fault detection, isolation and restoration – FDIR)

Applications Distribution automation solutions and automatic source transfer systems

Automatic source transfer systems The main application of source transfer packages is to transfer a load from one power source to another. In some cases, when the load is not critical, this is done manually with a switching device. In the case of critical loads for hospitals, financial institutions, manufacturing facilities and other loads involving computerized equipment, a fast transfer is required between the main (preferred) source and backup (alternate) source. It is important that the automatic source transfer not affect load operation because any interruption of the business process translates into costly production loss and setup time. The preferred and backup sources are normally utility feeders, but in some instances may be a generator.

Elastimold switchgear offers automatic transfer (AT) packages with motor operators and voltage sensors capable of performing a full transfer in less than two seconds. For even faster transfer requirements, the fast transfer option using a magnetic actuator mechanism enables switching in 611⁄22 cycles, or approximately 110 milliseconds. In either case, the system monitors voltage on the preferred source and initiates a transfer when voltage drops below the acceptable level for the customer. At this point, the preferred source is disconnected and the alternate source is connected.

Loop automation systems In the case of underground loops, the switching devices along the loop can be used to reconfigure the loop to perform automatic fault detection, isolation and service restoration (FDIR). Thus, regardless of fault location, the switches will isolate the faulted portion of the loop and restore service to the remaining customers.

* SEL is a trademark of Schweitzer Engineering Laboratories, Inc.

01 Elastimold ATS control

28 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Alternate source Preferred source

Automatic source transfer unit

NO NC

S1 S2

Critical load

Step 1

Critical load

Alternate source Preferred source

Automatic source transfer unit

CLOSE OPEN

S1 S2

Step 2

Under normal operating conditions, the critical load is connected to the preferred source through S2. If power from the preferred source is lost due to an upline fault, the automatic source transfer unit detects the loss of voltage on S2. It automatically opens S2 and closes S1 to energize the critical load from the alternate source. With fast transfer, switching can be accomplished in 6 1⁄2 cycles – or about 110 milliseconds.

* SEL is a trademark of Schweitzer Engineering Laboratories, Inc.

Applications Distribution automation solutions and automatic source transfer systems

Elastimold ™ switchgear combined with SEL* controls provides the scheme of the future The opportunity to drop in a complete automation package enables utility companies to create highly reliable commercial and industrial parks in locations subject to frequent and possibly extended outages. The FDIR scheme allows restoration in only a few seconds, minimizing traditional restoration issues and associated loss of productivity and revenue, and provides the following key benefits:

power to the load

• Ability to enable or disable the automatic network restoration scheme from any unit

• Infinite expandability – no limit to the number of units that can be installed

• No need for overcurrent protection coordination upon reconfiguration

• SCADA system interface: fiber optic, Ethernet and radio

01 SEL 451 control package

29A PPL I C ATI O NS

Step 1

Steps 2 & 3

Steps 4 & 5

Substation 1

Substation 1

Substation 1

Substation 2

Substation 2

Substation 2

Switchgear 1 Switchgear 2

Switchgear 1 Switchgear 2

Switchgear 1 Switchgear 2

S1

S1

S1

S1

S1

S1

S2

S2

S2

S2

S2

S2

Point-to-point communications

Point-to-point communications

Point-to-point communications

Loss of voltage on one source due to an upstream fault

1. Normal state

2. �SWG1-1 opens on loss of source voltage after time delay

3. Search for closest downline open switch

4. SWG2-1 closes to restore load

5. FDIR scheme disables itself

Set-up and system normal state

• Loop automation scheme with two or more

Elastimold™ multi-way switchgear units

open point in the loop

• Each multi-way switchgear is automated with the SEL451-5

• Source switches have overcurrent fault-protection capabilities

on the main loop

Applications Operational scenarios

Operational scenario examples

Operation scenario 1

30 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

Bus fault within the switchgear

1. Normal state

2. SWG1-1 and SWG1-2 open

3. �Close SWG2-1 to restore load between SWG1 and SWG2

4. FDIR scheme disables itself

Fault located between two automated switchgear units

1. Normal state

2. �WG1-2 times to trip; SWG1-1 tripping is momentarily blocked

3. Search for next downline switch

4. �If switch is open, FDIR scheme disables itself, OR

– if switch is closed, switch opens to isolate fault, searches for next downline open switch to restore load and FDIR scheme disables itself

Step 1

Steps 2 & 3

Step 4

Substation 1

Substation 1

Substation 1

Substation 2

Substation 2

Substation 2

Switchgear 1

Switchgear 1

Switchgear 1

Switchgear 2

Switchgear 2

Switchgear 2

S1

S1

S1

S1

S1

S1

S2

S2

S2

S2

S2

S2

Point-to-point communications

Point-to-point communications

Point-to-point communications

Step 1

Step 2

Steps 3 & 4

Substation 1

Substation 1

Substation 1

Substation 2

Substation 2

Substation 2

Switchgear 1

Switchgear 1

Switchgear 1 Switchgear 2

S1

S1

S1

S1

S1

S1

S2

S2

S2

S2

S2

S2

Point-to-point communications

Point-to-point communications

Point-to-point communications

Switchgear 2

Switchgear 2

Applications Operational scenarios

Operation scenario 2

Operation scenario 3

31A PPL I C ATI O NS

The reliability of conventional radial or looped underground distribution circuits is measured in terms of the number and/or frequency of interruptions. These measurements cannot be directly applied to a network system. A typical network system has built-in redundancy. During most events, the continuity of power supplied to the end user is not affected by fault conditions on the high side of the network transformers. So, from the point of view of customer interruptions, network systems are reliable.

However, transformer failures have been known to result in catastrophic fires, explosions and even loss of lives. The failure or overload of multiple transformers within a network may ultimately result in the interruption of service to the end user.

Loss of redundancy Loss of redundancy is a method that highlights the increased vulnerability of the system every time a network transformer is lost. Loss of redundancy indices are calculated as indicated in figure 2.

The number of transformers in the circuit is the number of transformers energized by the same feeder.

The loss of redundancy indices are calculated in the following example.

Example 1: No high-side transformer protection Consider one substation breaker and one exclusive feeder out to the network. Five transformers are energized by the same feeder. Assume one permanent fault on one transformer in one year.

Also assume the faulted transformer is de-energized for six hours (see figure 3).

Because there is only one breaker for five transformers, a failure in one transformer translates to the interruption of power to five transformers for six hours.

While the substation breaker may detect most overcurrent faults, faults caused by excessive pressure/heat or fires cannot be detected by the breaker. One method that automatically isolates a network transformer from the primary side, regardless of the type of failure, is the installation of an MVI fault interrupter on the high side of the transformer. This MVI can isolate based on overcurrent conditions, but also can be wired to isolate the transformer in case of fire, excessive pressure/heat, emergency signal, etc.

Benefits of such a setup to the network system and the end users include:

due to pressure or temperature build-up

• Longer transformer life

Applications Network transformer protection

01 Loss of redundancy can occur as a consequence of:

• Transformer fire

• �Transformer overheating

• �Transformer pressure build-up •Overcurrent condition

Duration of loss of redundancy (hours/year) =

S (no. hours a transformer is disconnected x No. of transformers in the circuit)

Frequency of loss of redundancy (times/year) =

Total no. of transformer de-energizations No. of transformers in the circuit

Duration of loss of redundancy (hours/year) =

(6 x 5) = 6 hours/year

Frequency of loss of redundancy (times/year) =

= 1 time/year

32 E L A S TI M O LD M O LD E D VACU U M S W ITCH G E A R A N D R ECLO S E R S

The following example calculates the…