TRANSFORMER TECHNICAL DATA SHEET
PEL - PAK ELEKTRON LIMITED - LAHORE
Customer: M/s Maddox, USA
General Specification
Rated Power [kVA]
2500
Vector Group
Rated High Voltage [V]
12470
Connections [HV/LV]
Rated Low Voltage [V]
480
Number of Phases [ɸ]
3
HV Bushings position
Insulation Class
A
LV Bushings position
No. of HV Taps
6
Winding Material [HV/LV]
Taps [+%]
14400, 13800, 13200,12870
Taps [-%]
12000
Maximum Ambient Temp. [°C]
Dyn 11
Delta/Star
No. of Terminals [HV/LV]
6/4
Front Wall
Front Wall
Aluminium/Aluminium
Service Altitude [m]
<1000
Transformer Type
40
Oil immersed/Pad Mounted
Installation
Outdoor
Temp. Rise (Oil/Winding) [K]
60/65
Oil Type
Mineral Oil
Type of Cooling
ONAN
Standard/Specs.
ANSI / IEEE
No-Load Loss [kW]
1.700
Load Loss at Principal Tap [kW]
17.00
Basic Insulation
Level (BIL) [kV]
Impedance [%]
5.75
Regulation (ΔV) at 1.0 PF & Rated Current
HV Line Current [A]
115.75
Regulation (ΔV) at 0.8 PF & Rated Current
4.06%
LV Line Current [A]
3007.03
Efficiency (ɳ) at 100% Load 1.0 PF
99.26%
60
Efficiency (ɳ) at 50% Load 1.0 PF
99.53%
Technical Specifications
Frequency [Hz]
HV
LI 95
LV
LI 30
AC 34
AC 03
0.84%
Mechanical Characteristics (dimensions will be provided at the time of approval)
L - Length [mm]
2600
Total Mass [kg]
W - Width [mm]
1380
Tank Type
H - Height [mm]
1990
Paint Colour
12300
Compartmental
Transformer Accessories
24kV 200A Bushing Wells with Inserts
LV Bushings with 12 Hole Spades (NEMA Standards)
Off Circuit Tap Changer with handle on side wall
Earthing Terminals (SS)
Lugs for lifting Complete Transformer
Transport Pulling Eyes
Display model is for illustration purpose.
Rating & Diagram Plate(SS)
Bay O Net Fuses with ISO links
2 Position Load Break Switches
Oil Drain and Sampling Valve
Oil Temperature Indicator
(Qualitrol)
Pressure Safety Valve
(Qualitrol)
Liquid Level Guage
(Qualitrol)
Pressure Vaccum Gauge
(Qualitrol)
Oil Filling Plug
Pressed Steel Radiators with Imported Shutt-Off Valves
Remarks:
Routine test shall be conducted as per ANSI / IEEE at PEL Testing Lab.
Tolerances applicable as per ANSI / IEEE.
Prepared by:
M. Ihtasham Tariq
Approved by:
Adnan Shahid
Date:
01/Apr/2024
POWER DIVISION
Approved
4/30/24
Ref: E24-317-A
Sheet 01/01
Rev: 1
TRANSFORMER ENGINEERING DEPARTMENT
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