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*0 MVA Power Transformer *7KV/*3.2KV

  • Philippines Philippines  
  • Quantity Required: 1 Unit
  • Last Updated:
    Posted on: 06 Mar 2024

  • Destination Port: Tarlac, Philippines
Buyer Information

RFQ Details

1 Unit - POWER TRANSFORMER, 20MVA / 25MVA, 3 Phase, Oil Immersed, 60 Hz Conservator Tank Type, Outdoor Type, Cooling O.A./FA, Built and Tested in Accordance with *****57.12.00 or ***** Equivalent, With Standard Accessories, Brand New, Asian Made On-Load Tap Changer.

SPECIFICATION:

I. RATING:

Class O.A./FA 20, 000KVA / 25, 000KVA

Type: Two winding, Oil Immersed

Phase: Three (3)

Frequency: 60Hz

High Voltage Winding: 67, 000 + 6 x 1.25% V, Delta

Low Voltage Winding: 13, 200 Y/7, 620 V, with neutral brought out
through bushing

Temperature Rise: 65C



II. BASIC IMPULSE LEVEL



High Voltage: 350, 000 Volts

Low Voltage: 110, 000 Volts



III. DIELECTRIC TEST



1. APPLIED VOLTAGE (TO OTHER WINDING AND GROUND)

High Voltage Winding: 140, 000 Volts

Low Voltage Winding: 34, 000 Volts


2. INDUCED VOLTAGE

Time Normal Voltage 140, 000 Volts (two times)



IV. LOSSES TEST

1. LOSSES

No Load: 16 KW (max)

Total at 100% Load, 100 PF: 101 KW (max)

75C for 55C rise (Excluded Auxiliary Power for 4 units Fan

Low Voltage Winding: 34, 000 Volts


2. PERCENT IMPEDANCE AT RATED CAPACITY

75C: 5% - 7%


3. ACTUAL TEMPERATURE RISE AT RATED LOAD

Winding Rise: 65C

Oil: 55C

Hottest Spot: 78C


4. PERCENT REGULATION AT

Unity Power Factor: 0.46%

0.8 Power factor: 4.7%


5. GUARANTEED CORE LOSS

All Rated Voltage and Frequency: 16 KW

6. GUARANTEED COPPER LOSS AT RATED VOLTAGE AND RATED FREQUENCY

75C 0.8 Power Factor: 85

7. AUDIBLE SOUND LEVEL: 70dBA, O.A. (or below)

Please send your proposal to;


EDUARDO "Toto" H. DELA TORRE, REE
Sales Manager
Meralco Industrial Engineering Services Corp.
MIESCOR -Trading Department
5/F Renaissance Towers 1000, Meralco Avenue
Ortigas Center, Pasig City, Philippines 1600

Tel: 632-635-5901 to 10 (local 327)
Direct Line: 632-632-1208
Fax: 632-633-3890
*****


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