Appendix_1-_New_Sunshine_Substation_Power_Transformer.pdf

APPENDIX 1

115 kV – 7.62/13.2 kV15/20/25 MVA w/ LTC

TRANSFORMER BID DATA SECTION

MANUFACTURER OF

TRANSFORMER: _

In addition to other data and descriptive material furnished, the Manufacturer shall fill in all spaces of the following Data Section. The specifically listed items are in no way intended to limit the data submitted, and the Manufacturer is invited to submit all material believed necessary to provide a complete description of the transformer in accordance with the requirements of the Owner.

1.0 COST DATA (PER TRANSFORMER)

1. Cost of transformer, oil, accessories and transportation F.O.B. transformer foundation, COG New Sunshine Substation, Gallup NM.

2. Cost of all required factory tests (if not included)

3. Price adder for a 5 yr. warranty (if not included)

4. Price adder for sound level test.

2.0 DATES

Estimated Shipping Date Transformer ________________

Estimated Arrival Date Transformer _

3.0 RECEIVING AND INSTALLATION DATA

Will unit be shipped oil filled?___________________

Are Make-up totes of oil included? Number? Oil Quantity?___________________________

3.1 Weights (Pounds)

Transformer

Shipping: lbs.

Installed: lbs.

With oil, installed:

Core and coil assembly, net:

Tank and fittings, net:

lbs.

lbs.

lbs.

Heaviest shipping assembly, as shipped lbs.

3.2 Oil, gallons (Fully installed)

Main Tank: gals LTC Tank: gals

3.3 Largest shipping section (Inches)

Overall height: in.

Overall length:

Overall width:

in.

in.

3.4 Transformer installed dimensions (Inches)

Overall height:

Overall length:

Overall width:

in.

in.

in.

Minimum untanking height, base to crane hook: in.

3.5 Tank only dimensions (Inches)

Overall height: in.

Overall length:

Overall width:

in.

in.

3.6 Maximum AC power requirements (Amps): Amps

3.7 Maximum DC power requirements (Amps): Amps

3.10

Size of control compartment and location (HxWxD):

_in.

3.11 Provide scale outline drawing(s) of transformer including height and location of control compartment, DETC handle, radiators, fans, bushings, pumps, and other accessories.

3.12 Describe parts removed for shipment and hours required to install.

4.0 RATING AND PERFORMANCE DATA

4.1 Maximum permissible continuous transformer demand at rated voltage and at rated ambient temperature without exceeding standard hottest-spot or top oil temperature for the following conditions:

55°C 65°C Rise Rise

At self-cooled rating (ONAN), MVA ____ ____ At forced-cooled rating (ONAN/ONAF), MVA ____ ___ At forced-cooled rating (ONAN/ONAF/ONAF), MVA ____ ____

4.2 Positive Impedance, percent (H-X %) 115 kV high side

Quoted ______________%

Base MVA ______________ MVA

Tolerance, percent ______________%

4.3 Regulation at 100 percent, 55°C rise, ONAN load (percent)

100 percent power factor __________________%

90 percent power factor _________________%

80 percent power factor _________________%

4.4 Exciting current (percent)

95 percent voltage _________________% 100 percent voltage _________________% 105 percent voltage _________________% 110 percent voltage _________________%

4.5 Efficiency at ONAN rating and 55°C winding temperature (percent)

100 percent load 55°C temperature rise rating ____________%

75 percent load ________________%

50 percent load ________________%

25 percent load ________________% The following items marked with an * will be used for transformer bid evaluation. If not filled out, THE OWNER will reject the bid.

4.6 Guaranteed maximum losses at specified temperatures in kW.

No-load losses at 20°C (kW) 110 percent voltage at neutral NLTC _________________% 105 percent voltage at neutral NLTC _________________% 100 percent voltage at neutral NLTC *_________________%

4.7 Load Losses at specified temperature and taps in kW.

Load losses at 55°C rise over 20°C ambient, assuming sufficient voltage is applied to cause 100 per windings shorted and the NLTC on neutral tap.

80 percent of ONAN rating kW 100 percent of ONAN rating * _kW 100 percent of ONAN/ONAF kW

4.8 Cooling equipment demand (kW)

At no-load ____________kW At ONAN *____________kW At ONAN/ONAF ____________kW

4.9 Total losses at 55°C rise (over 20°C ambient) in kW.

Load Loss @ 80% of ONAN Rating + No-Load Loss @ 100% Voltage =________kW Load Loss @ 100% of ONAN Rating + No-Load Loss @ 100% Voltage =________kW Load Loss @ 100% of ONAN/ONAF/ONAF + No-Load Loss @ 110% Voltage =________kW

4.10 Audible sound levels in dB.

At No Load ________kW

At ONAN (no auxiliaries) ________kW

At ONAN/ONAF/ONAF (with first & second stage cooling)________kW

4.11 Induced voltage test.

One hour test voltage level ________kV

Enhanced test voltage level ________kV

Maximum expected RIV level ________kV

Maximum expected partial discharge level

4.12 Efficiency at ONAN rating and 55°C winding temperature (percent)

100 percent load 55°C temperature rise rating ____________%

75 percent load ________________%

50 percent load ________________%

25 percent load ________________%

4.13 Provide information and traceability concerning the testing equipment and methods used to deter

5.0 NITROGEN GAS OIL PRESERVATION SYSTEM

Type Manufacturer

Location of Nitrogen Tank

Height of Nitrogen Tank base above transformer base (inches) in

6.0 ARRESTERS

High Voltage:

Type

Manufacturer

MCOV RATING

Low Voltage:

Type

Manufacturer

MCOV RATING

7.0 CONTACTS

For Technical Questions:

Name of Person to contact

Telephone Number of that person

Address

For Sales Questions:

Name of Person to contact

Telephone Number of that person

Address