Attachment_5 _260913-Advanced-Meter-System-20140507.pdf

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Advanced Meter Systems

SECTION 260913

ADVANCED METER SYSTEMS

1. PART 1 – GENERAL

1.01 SYSTEM GENERAL DESCRIPTION

A. The Advanced Meter System (AMS) will be Government Furnished Property (GFP) to be provided to the contractor to install.

B. The Government will provide an on-site Government Engineer (GE)to verify correct AMS system installation and perform initial commissioning services.

C. Typical installation connection details are shown on drawings. Actual connection to meters shall be done from schematic drawings shipped with the AMS.

D. The contractor shall coordinate the final adjustment and connections with the AMS

Government Engineer. (GE).

E. The AMS system panel shall be installed next to the main distribution switchboard in the electrical room or other room as shown on drawings.

F. Provide conduits and conductors as shown for connections to factory mounted CTs in main switchboard and a feeder to a 20A 3P breaker in the monitored panel to power AMS system.

G. Provide 3 RJ-45 LAN jacks mounted next to AMS panel for connection to building

Ethernet network for communications.l.

H. Provide PowerLogic Enercept meters as manufactured by Schneider Electric.

I. Installation connection and testing is required as described in Execution Section.

1.02 GOVERNMENT FURNISHED PROPERTY

A. For this project, the following panel and sensors or CT’s will be Government furnished.

1. Main meter panel and schematics.

1.03 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and other Divisions Specification Sections, apply to this Section.

B. Reference Specification Sections:

1. 001200 - Summary of Work

2. 001300 – Submittals

3. 260010 – General Technical Provisions

4. 260050 – Basic Electrical Materials and Methods

5. 260914 - Split Core Current Transformers for Power Monitoring

6. 270000 Voice and Data Communications Cabling

1.04 SUBMITTALS

A. Submit shop drawings, equipment catalog data, and manufacturer's installation operating and maintenance instructions for approval in accordance with Section 001300 and 260010.

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B. Submit both hard copy cut sheets and manufacturers original PDF cut sheets marked with items to be supplied.

C. Mark each product on the PDF cut sheet with the specific item and all accessories to be supplied. Cut sheets not marked to show items will be rejected.

1.05 QUALITY ASSURANCE.

A. The AMS system panel shall be installed in accordance with UL508 by contractor to AMS manufacturer’s installation instructions.

B. The initial startup and programming will be performed by the Government Engineer (GE).

This consists of:

1. Programming the Modbus address of the meter and the IP address of a main meter.

2. Programming the wiring configuration of the metered circuit: Wye, delta, single-phase.

3. Programming the CT ratio.

4. Verify that the meter’s display of power on each phase matches the measured voltage multiplied by the measured current for that phase.

C. The entire system shall be field tested, programmed, commissioned by AMS Factory Field

Engineer (FE).

D. This Engineer will be provided for final commissioning and testing by the Government.

E. The contractor shall coordinate final testing and commissioning with AMS Engineer.

F. The contractor shall coordinate with the Government Enterprise Software Administrator to verify that the AMS system is communicating with the enterprise software for data recording.

G. The contractor shall verify CT polarity and that the CT for each phase is connected to the identical voltage phase and polarity for each CT.

H. The contractor shall verify that all wiring to other sensors have been properly installed and tested.

1.06 AMS CONNECTIONS TO GOVERNMENT INTRANET WAN SYSTEM

A. The AMS systems shall operate over the Government’s internal Ethernet-based WAN.

B. Provide three data RJ-45 Ethernet jacks for connection next to each AMS system. These jacks will be connected with CAT 6 cable and will be home run to the IT room patch panel.

C. The Government will provide IP addresses to the AMS contractor for use in programming each system.

D. The Government will provide local IT personnel to verify that the data jacks are functional and can connect to the Government network prior to final field testing of each system.

1.07 AMS SYSTEM LOCATIONS

A. AMS meter enclosure shall be installed in the at the radio shop next to the Main power panel.

B. AMS meter enclosure will normally be located adjacent to the metered panel in the same room.

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2. 2 - PRODUCTS – ADVANCED METER SYSTEM MAIN SERVICE ENTRANCE

METER

2.01 AMS INSTRUMENTS – SERVICE ENTRANCE & SUB METER DATA LOGGER

A. The Gov’t Furnished Advanced Metering System (AMS) system shall consist of a main meter as shown on drawings, installed in one NEMA12 enclosure with an integral door interlock switch.

B. This meter enclosure will be provided by the Government (GFP) to the contractor to install, connect, and test.

C. This meter may also be used in conjunction with Advanced Meter System and sub meters as described below in facilities for monitoring of building sub feeders, water, steam or other monitored variables to monitor usage.

D. Additional analog and or digital inputs may be required to monitor other sensors. These sensors require a twisted shielded pair cable from each sensor to the AMS main meter location and termination on terminal blocks.

2.02 METER MONITORED VOLTAGE CONNECTIONS:

A. The voltage connections for the AMS for this project are:

1. 120/208V 3phase 4W, one connection from main distribution switchboard for power is required for one line voltage to be monitored.

2. Provide one 2 Pole 20A breaker as required in main switchboard and/or sub meter panel to feed AMS panel.

3. Voltage connections are to be made on AMS panel main or sub meter disconnect switch as per connection diagrams.

2.03 SUB METER

A. The Meter shall be calibrated as a system and be accurate to +/- 1% from 5 % to 100 % of the rated current over a temperature range of 0-60 C. No annual recalibration by users shall be required to maintain these accuracy’s.

B. The Meter shall be UL and cUL Listed per 7207. The meter module shall be rated for an operating temperature range of 0°C to 60°C.

C. The Meter shall consist of three split-core CTs hinged at both axis with the power metering electronics embedded inside of the master CT.

D. The Meter shall directly accept any voltage input from 208-480 VAC.

E. The Meter shall be internally isolated to 2000 VAC.

F. The Meter case isolation shall be 600 VAC.

G. The Meter series shall have models available for amperage ranges of 100-2400 Amps.

H. Each Meter shall have built-in RS-485 data communications using Modbus (RTU) protocol to allow multipoint communication to multiple computer workstations, programmable controllers, and other host devices, with a data rate of 9,600 baud.

I. The Meter shall be installed as part of a power monitoring and control system as indicated on the drawings. The RS-485 communications shall provide communications links up to

10,000 feet long.

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J. The Meter shall communicate using the Modbus RTU protocol and connect to any host devices with a Modbus-compatible port.

K. When connected via the network to a PowerLogic computer, the Meter shall provide logging, trending, and alarming information.

L. The information and capabilities provided by the Meter shall include the following in accordance with the capabilities of the enhanced meter:

1. Current, per phase & three-phase total

2. Voltage, per phase & three-phase total, phase-to-phase & phase-neutral

3. Real Power (kW), per phase & three-phase total

4. Reactive Power (kVAR), three phase total

5. Apparent Power (kVA), three phase total

6. Power Factor, per-phase & three-phase total

7. Real Energy (kWh), three phase total

8. Real Power Demand (kWd) readings, three phase total, present & peak

9. The Meter shall a PowerLogic Enercept Meter or equal.

M. Submeter shall be PowerLogic Entercept Meter as manufactured by Schneider electric or equal.

N. Use a shielded twisted pair wire such as BELDEM 1120A or similar type wire for modbus cables.

O. Follow manufacturer’s directions for wiring the Submeters.

2.04 WIRE COLOR CODING

A. Provide color coded wiring from panel circuit boards feed power to the AMS meter and for

CT’s that are identical for phases. Color codes shall match voltage color code used in project for single and three phase systems for main system voltage.

2.05 WIRE NUMBERS

A. Provide machine made wire numbers to match AMS panel terminal number at each end of each CT, power conductors, digital and analog signal cables terminated on AMS panel terminal blocks. Use schematics supplied with AMS for wire numbers.

2.06 NETWORK CONNECTION RJ-45 JACKS

A. See Specification Section 270000 for technical requirements for jacks.

B. Provide three RJ-45 CAT6 network jacks in a wall mounted 4”x4” x 2-3/4” D outlet box next to the AMS panel + 4’ elevation.

C. Home run three CAT6 4pr cables from these jacks to the IT room patch panel or closest network switch and terminate on CAT6 RJ-45 jacks in network patch panel.

D. Installation and testing of these data jacks and cables is specified in section 270000.

E. The Government IT specialist will activate these ports and provide an IP address for programming the main advanced meter.

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3. EXECUTION

3.01 METER INSTALLATION CONFIGURATION TESTING & COMMISSIONING

A. Install the AMS meter enclosure and corresponding conduits, conductors, current transformers (CTs), power supplies, LAN jacks as shown on drawings and as directed in the manufacturer’s installation instructions.

B. Install and calibrate all external sensors for both analog inputs, digital inputs and all current monitoring devices per manufacturer’s instructions.

C. Provide all calibration information for each sensor to allow main AMS meter to be programmed for proper ranges and scaled to proper engineering units.

D. Connection diagrams supplied with the unit shall be used in making connections. Contract drawings supplied do not show all specific connections, wire numbers etc. but are general in layout.

E. The contractor shall verify CT polarity and that the CT for each phase is connected to the identical voltage phase of the CT.

3.02 PRELIMINARY TESTING AND COMMISSIONING

A. For the Installation of a main meter only or a main meter and sub meter:

1. AMS GE shall provide preliminary commissioning, testing, and programming.

a. Program the main meter and sub meter communications parameters and verify

LAN connection with the Government network. Installation and testing of

Government network is covered under Section 270000 and must be done prior to preliminary AMS testing and commissioning.

b. Program the main and sub meter voltage(s), CT ratios, and communications parameters.

c. Verify that the power values by phase displayed on the meter match the calculated values obtained from voltage and current by phase. (refer to CT checkout documents)

2. Coordinate with the AMS GE for testing. Provide an electrician familiar with the

AMS panel installation to open all panels where CT’s and other sensors are located to verify connections and perform insulation resistance, current, voltage, and polarity testing.

3. Preliminary conductor testing:

a. Megger with an insulation resistance tester all 600V external wiring to CT’s and power panels for short and insulation faults at 1000VDC. Megger conductors prior to connection to meter or external devices. Record results.

Connect all devices to meter.

b. Test all STP signal cable for shorts and ground faults to 100 Megaohms with a digital multimeter capable of resolving to this range. Record results. Connect all devices to meter.

4. The main and sub meters must be programmed for voltage and CT ratios set and network connections enabled and tested before the following tests can be performed.

5. Once the meter programming and network connection are completed and tested perform the following testing:

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a. For testing of CT’s, supply provide a portable clamp-on current transformer and a Fluke 289 or approved equal to verify currents that each CT is measuring with

AMS final readings.

i. Energize loads to maximum for each CT and measure currents for main and all sub meters and any smart CT.

ii. Compare readings with main and sub meter digital displays, record results.

b. Verify final system voltage measurements at main disconnect with AMS display(s).

c. Measure all 24 VDC loop power supply voltages and record.

d. Correct any errors found during test and verify operation to manufacturer’s requirements.

3.03 FINAL COMMISSIONING AND TESTING

A. For the Installation of a main meter only or a main meter and sub meter:

1. AMS GE shall provide final commissioning, testing, and programming.

a. The GE will program the main meter to read out and provide a web based display of all sub meters and other digital and analog sensors connected to the main meter. The GE will Scale all sensors to match sensors spans.

b. The GE will Create data recorders for all sub meter and sensor parameters.]

c. The GE will Verify enterprise software can reach meters for data logging.

d. Contractor shall Test each 4-20 mA current loop and each digital input with each sensor to verify that the measured value matches the digital AMS reading display. Record each sensor’s readings at 0%, 50%, and 100% of loop current, 4, 12 and 20 mA.

e. Contractor shall Provide a Fluke 707 or approved equal (accuracy +/- 0.1%).

Current calibrator to verify that the 4-20 mA analog current loops have been scaled to the sensors span and that the AMS meters scale spans match.

i. Connect current calibrator at sensor location and force a 4-20 mA current through loop to verify AMS meter readout and scale functions. Force output current at 10% intervals and record AMS meter display outputs.

Record results at each reading for current vs display output.

3.04 CLOSEOUT SUBMITTALS

A. System installation, testing records, commissioning, operator training and O&M manuals shall be provided at provided as specified in sections 260010.

3.05 OPERATOR TRAINING

A. FE will provide a minimum of 3 hours of training on meter operation to system operators.

END OF SECTION