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1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards
Informazioni dettagliate
Luogo di origine:
Cina
Certificazione:
ANSI/IEEE
tipo:
Trasformatore di potenza di sottostazione
Operazione:
Diminuzione
Capacità:
1500kVA
Tensione primaria:
4.16KV
tensione secondaria:
480Y/277 V
Gruppo vettoriale:
Dyn1yn1
Classe di raffreddamento:
Knan
Standard:
ANSI C57.12.00
Tempi di consegna:
90 giorni
Capacità di alimentazione:
100set/mese
Descrizione del prodotto
1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards

Product Overview


This 1500 kVA three-phase substation power transformer is designed for outdoor 4.16 kV to 480Y/277 V distribution systems, including station service, industrial facilities and utility distribution applications. The unit is designed to ANSI C57.12.00, uses FR3 non-PCB insulating fluid, operates at 60 Hz, and has a Dyn1yn1 vector group.


The transformer uses a station-type layout with separated high-voltage and low-voltage connection areas. The low-voltage side is arranged with X/Y terminal groups, with X0-X1-X2-X3 and Y1-Y2-Y3 terminals shown in the drawing. Compared with a conventional single low-voltage terminal arrangement, this structure is more suitable for station service and industrial distribution systems that require a defined secondary-side connection layout.

Product Photos

1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards 0
1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards 1
1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards 2


Main Data

Item Specification
Tranformer Type Substation Power Transformer
Rated Capacity 1500 kVA
Phase 3
Frequency 60 Hz
Primary Voltage 4.16 kV
Secondary Voltage 480Y/277 V
Vector Group Dyn1yn1
Impedance 5.46%
HV BIL / LV BIL 60 kV / 30 kV
Temperature Rise 55/65°C
Cooling KNAN
No-load Loss 1663 W
Load Loss at 85°C 15323 W
No-load Current 0.23%
Dimensions 100 × 74 × 65 inch
Total Weight 10789 lbs



Technical drawings


1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards 3




Standard Features


Station-type structure with separated HV and LV connection areas Provides a clearer wiring layout for field installation, inspection, and maintenance in substations, industrial facilities, and station service systems.
Dyn1yn1 vector group with X/Y low-voltage terminal arrangement Provides a defined secondary-side terminal layout for distribution systems that require grouped LV connections rather than a simple single-secondary output structure.
5-position off-circuit tap changer Allows primary-side voltage adjustment when the transformer is de-energized, helping match actual site voltage conditions during commissioning or operation.
FR3 non-PCB insulating fluid Used for insulation and cooling in the liquid-immersed transformer system while meeting non-PCB insulating fluid requirements.
HV porcelain bushings, 5 kV class, 60 kV BIL Provides the primary-side medium-voltage connection and insulation level suitable for a 4.16 kV system.
LV 4-hole spade terminals, 1.2 kV class, 30 kV BIL Supports bolted connection to busbars or cable terminals on the 480Y/277 V secondary distribution side.
Oil level gauge, temperature gauge, pressure indicator, and pressure relief device Allows operators to check oil level, temperature, and pressure conditions during routine inspection, while providing basic pressure relief protection.
Drain valve and sampling access Supports insulating fluid sampling, testing, and maintenance during service life.


1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards 4



Applications


Sector Applications
Industrial Manufacturing plants, process facilities, motor control centers, 4.16 kV to 480 V distribution systems
Utility Service substations, distribution substations, medium-voltage feeder step-down applications
Commercial Large buildings, campuses, hospitals, data centers and facilities requiring 480Y/277 V distribution
Infrastructure Water treatment plants, pumping stations, transportation facilities and public utility power systems








Substation Transformer Specification



kVA HV LV Width(mm) Length(mm) Height(mm)
315kVA 11000V 400V 800 696 1336
500kVA 27600V 480GrdY/277V 1730 2300 1510
500kVA 11000V 415V 1700 1700 1650
750kVA 11000V 433V 1850 1845 1465
1000kVA 14400V 415/240V 1085 1860 1570
1200kVA 13800V 240V 2450 1850 1820
1500kVA 24940V 600V 1800 1880 1895
2000kVA 7200V 600GrdY/346 1766 2680 1982
2000kVA 44000V 600V 1260 2090 1700
2500kVA 24940V 480GrdY/277V 2400 2200 2060
3000kVA 11000V 415V 1600 2330 1920
3000kVA 22800V 415/240V 2130 3500 1910
3750kVA 44000V 600V 2240 2650 2700
4000kVA 33kV 600Y/347 2150 3250 2290
5000kVA 34500V 7200V 3780 1850 3450
5000kVA 34500V 4160V 2799 2400 2938
6300kVA 35000V 400V 3520 2820 3470
6800kVA 34500V 800V 3400 2670 3400
7500kVA 27600Y 4160V 3350 3290 2270


1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards 5


1500kVA Substation Power Transformer step down 4.16kV to 480Y-277V ANSI IEEE Standards 6