Attachment 2 - Salient Characteristics.pdf

Attachment 1 – Salient Characteristics

75 KVA Pad Mount Transformer

The specified unit is required to have several key characteristics in order to meet the designated criteria.

The specified characteristics below collectively contribute to the efficiency and sustainability of the housing electrical system while allowing ease of maintenance and repairability. Itemized list is as follows:

Three Phase Pad mount 75 KVA:

• 12470V Delta Primary

• 208Y/120 Wye-n Secondary

• Finish Color: Barksdale Brown, DTM, Federal Standard # is FS 20117

• Paint Type: Weatherproof and UV Resistant Epoxy Coating and Undercoating

• Liquid Filled Pad Mounted

• Loop Feed

• Step-Down Operation

• Three Phase

• Primary BIL: 95 KV

• Secondary Phasor: Wye-N

• Secondary BIL: 30 KV

• Frequency: 60 Hz

• 5-position Tap Changer

• Tap Changer Switch Rating: 200-Amp, 15 kV

• Primary: Dead Front

• Termination: 200A Load Break Elbows w/ Inserts

• Primary Neutral Connection: N/A

• Primary Surge Arrestors: (3) High Voltage Elbow Surge Arrestors

• Primary Surge Arrestor Voltage Rating: 18 kV Class Elbow Arrestor

• Primary Over Current Protection Method: Fused, Oil-Immersed

• External Drip Shield

• Secondary: Live Front

• Secondary Connections: NEMA Spade Terminals, 4-Hole Spade, Externally Clamped, (4) Double Lug connections

• Secondary Over Current Protection (OCP): N/A

• Secondary Neutral Connection: Secondary X2 Neutral Grounded to Tank

• Secondary Grounding Provisions: (1) NEMA Ground Bar attached to tank via (2) Welded Ground

Bungs in LV Cabinet

• Load Break Switch: 4-Position Load Break Switch

• Load Break Switch Rating: 200-Amp, 15 kV

• Insulation Fluid: Biodegradable Natural Vegetable Oil Ester Insulating Fluid - Non-PCB Fluid

• Sound Level: <=51 dBA

112.5KVA Transformer Salient Characteristics

The specified unit is required to have several key characteristics to meet the designated criteria. The specified characteristics below collectively contribute to the efficiency and sustainability of the housing electrical system while promoting ease of maintenance and repairability. Itemized list is as follows:

Three Phase Pad mount 112.5 KVA:

- 65 Degree C Rise, 60 Hertz

- HV: 12470 Delta (95 KV)

- Loop Feed

- LV: 208Y/120 (30 KV)

- Taps: 2 @ 2.5% Above & Below Normal

- Liquid Level Gauge; Vacuum/Pressure Gauge; Temperature

- Gauge

- Bayonet Fusing

- Non-PCB Mineral Oil (ONAN)

- (6)Dead Front Wells & 15 kV Inserts

- (4)4 Hole Spades

- 2 Position On/Off Switch o Drain Valve w/ Sampler

300 KVA Pad Mount Transformer

The specified unit is required to have several key characteristics in order to meet the designated criteria.

The specified characteristics below collectively contribute to the efficiency and sustainability of the housing electrical system while allowing ease of maintenance and repairability. Itemized list is as follows:

Three Phase Pad mount 300 KVA:

• 208Y/120 Wye-n Secondary

• Finish Color: Barksdale Brown, DTM, Federal Standard # is FS 20117

• Paint Type: Weatherproof and UV Resistant Epoxy Coating and Undercoating

• Liquid Filled Pad Mounted

• Loop Feed

• Step-Down Operation

• Three Phase

• Primary BIL: 95 KV

• Secondary Phasor: Wye-N

• Secondary BIL: 30 KV

• Frequency: 60 Hz

• 5-position Tap Changer

• Tap Changer Switch Rating: 200-Amp, 15 kV

• Primary: Dead Front

• Termination: 200A Load Break Elbows w/ Inserts

• Primary Neutral Connection: N/A

• Primary Surge Arrestors: (3) High Voltage Elbow Surge Arrestors

• Primary Surge Arrestor Voltage Rating: 18 kV Class Elbow Arrestor

• Primary Over Current Protection Method: Fused, Oil-Immersed

• External Drip Shield

• Secondary: Live Front

• Secondary Connections: NEMA Spade Terminals, 4-Hole Spade, Externally Clamped, (4) Double Lug connections

• Secondary Over Current Protection (OCP): N/A

• Secondary Neutral Connection: Secondary X2 Neutral Grounded to Tank

• Secondary Grounding Provisions: (1) NEMA Ground Bar attached to tank via (2) Welded Ground

Bungs in LV Cabinet

• Load Break Switch: 4-Position Load Break Switch

• Load Break Switch Rating: 200-Amp, 15 kV

• Sound Level: <=51 dBA

500 kVA 3 Phase Pad Mount Transformer

The specified unit is required to have several key characteristics in order to meet the designated criteria.

The specified characteristics below collectively contribute to the efficiency and sustainability of the housing electrical system while allowing ease of maintenance and repairability. Itemized list is as follows:

Three Phase Pad mount 500 KVA:

• 208Y/120 Wye-N Secondary

• Finish Color: Barksdale Brown, DTM, Federal Standard # is FS 20117

• Paint Type: Weatherproof and UV Resistant Epoxy Coating and Undercoating

• Loop Feed

• Step-Down Operation

• Primary Voltage: 12470V

• Primary Phasor: Delta

• Primary BIL: 95 KV

• Secondary Voltage: 208Y/120

• Secondary Phasor: Wye-N

• Secondary BIL: 30 KV

• Frequency: 60 Hz

• Tap Changer: 5-position Tap Changer

• Tap Changer Switch Rating: 300-Amp, 15 kV

• Primary Connection Type: Dead Front

• Primary Termination: Externally Clamped Integral Bushings w/ Removable Studs, 600A Dead

Break Elbows

• Primary Neutral Connection: N/A

• Primary Surge Arrestors: (3) High Voltage Elbow Surge Arrestors

• Primary Over Current Protection Method: Fused, Oil-Immersed

• External Drip Shield

• Secondary Connection Type: Live Front

• Secondary Connections: NEMA Spade Terminals, 6-Hole Spade, Externally Clamped, Accepts up to (6) Double Lug connections with (3) cables per side of Spade connector

• Secondary Over Current Protection (OCP): N/A

• Secondary Neutral Connection: Secondary X2 Neutral Grounded to Tank

• Secondary Grounding Provisions: (1) NEMA Ground Bar attached to tank via (2) Welded Ground

Bungs in LV Cabinet

• Load Break Switch: 4-Position Load Break Switch

• Load Break Switch Rating: 300-Amp, 15 kV

• Sound Level: <= 56 dBA

750 KVA Pad Mount Transformer

The specified unit is required to have several key characteristics in order to meet the designated criteria.

The specified characteristics below collectively contribute to the efficiency and sustainability of the housing electrical system while allowing ease of maintenance and repairability. Itemized list is as follows:

Three Phase Pad mount 750 KVA:

• 480Y/277 Wye-N

• Finish Color: Barksdale Brown, DTM, Federal Standard # is FS 20117

• Paint Type: Weatherproof and UV Resistant Epoxy Coating and Undercoating

• Transformer Feed Type: Loop Feed

• Operation: Step-Down Operation

• Phase: Three Phase

• Primary Voltage: 12470V

• Primary Voltage Switch: N/A

• Primary Phasor: Delta

• Primary BIL: 95 KV

• Secondary Voltage: 480Y/277

• Secondary Phasor: Wye-N

• Secondary BIL: 30 KV

• Frequency: 60 Hz

• Tap Changer: 5-position Tap Changer

• Tap Changer Switch Rating: 300-Amp, 15 kV

• Primary Connection Type: Dead Front

• Primary Termination: Externally Clamped Integral Bushings w/ Removable Studs, 600A Dead

Break Elbows

• Primary Neutral Connection: N/A

• Primary Surge Arrestors: (3) High Voltage Elbow Surge Arrestors

• Primary Over Current Protection (OCP): Bayonet Expulsion Fuse in series w/ Partial-Range

Current-Limiting Fuse

• Primary Over Current Protection Method: Fused, Oil-Immersed

• External Drip Shield

• Secondary Connection Type: Live Front

• Secondary Connections: NEMA Spade Terminals, 6-Hole Spade, Externally Clamped, Accepts up to (6) Double Lug connections with (3) cables per side of Spade connector

• Secondary Over Current Protection (OCP): N/A

• Secondary Neutral Connection: Secondary X2 Neutral Grounded to Tank

• Load Break Switch: 4-Position Load Break Switch

• Load Break Switch Rating: 300-Amp, 15 kV