750 kva dry type transformer

Type: Cast resin dry-type transformer
Primary Voltage Ratings: 6kV / 6.3kV / 6.6kV 10kV / 10.5kV / 11kV 12.47kV / 13.2kV / 13.8kV, 20kV / 22kV / 22.9kV / 24.9kV / 33kV / 34.5kV 35kV, or others
Secondary Voltage Ratings: 480/277V, 400/230V, 380/220V, 550V, 690V, or other
H.V. TAP RANGE: ±2×2.5%
CONNECTION TYPE: Dyn11, Yyn0
Phase: Three-phase
Frequency: 50/60 Hz
Cooling Type: AN,AF,AN/AF
Winding Material: Copper/Aluminum
Enclosure: The enclosure material is available in cold-rolled steel or stainless steel options, with a protection rating ranging from IP23 to IP54.
Standards Compliance: IEC60076, GB20052-2020, ISO9001, ANSI, CSA
Applications: Commercial and institutional buildings, industrial facilities, oil & gas, solar and wind energy, utility grid connections, data centers, and It can also be used in coastal islands and high-altitude regions.

Min. order quantity: ≧ 1 set
Factory Services: OEM, ODM, Customized Voltage, Capacity, Enclosures, and Accessories
Packaging Details: International wooden cases or according to the actual transport needs
delivery time: Generally, it is 20-30 days. It is according to the quantity.

750 kVA dry-type transformer manufactured by GE Transformer is engineered for heavy commercial complex hubs, large industrial branch workshops and integrated energy station main power distribution systems. The transformer owns outstanding short-circuit impact resistance, premium high-temperature endurance and stable operational performance under long-term heavy load working conditions. The 750kVA dry type transformer supports full-range primary voltage from 6kV to 35kV and perfectly matches international standard secondary voltage outputs, serving as the priority indoor power distribution core equipment for large-scale urban infrastructure construction projects.

No.ItemSpecification
1Power Rating750kVA
2Primary Voltage6kV / 6.3kV / 6.6kV 10kV / 10.5kV / 11kV 12.47kV / 13.2kV / 13.8kV, 20kV / 22kV / 22.9kV / 24.9kV / 33kV / 34.5kV 35kV, or others
3Secondary Voltage480/277V, 400/230V, 380/220V, 550V, 690V, or others
4Connection TypeDyn11, Yyn0
5PhaseThree-phase
6Frequency50/60 Hz
7Insulation TypeCast Resin
8Insulation ClassClass F (155°C),Class H(180°C)
9Temperature Rise115°C (standard)
10Cooling MethodAir Natural (AN), Air Forced (AF)
11Short Circuit Impedance Capacity ≤ 630KVA, 4-6%,Capacity > 630KVA, 6-8%
12Voltage Taps±2.5%, ±5%, or others
13Leakage Magnetic FluxLow leakage design
14Core MaterialCold-rolled grain-oriented silicon steel or amorphous alloy
15Winding MaterialCopper/Aluminum
AltitudeThe standard range is 1,000 meters and below; longer ranges are available upon request.
16Operating Temperature Range-25°C to 40°C
17Relative humiditydaily average not exceeding 95%, monthly average not exceeding 90%
18Noise Level≤55-65 dB(A)
19Standards ComplianceIEC60076, GB20052-2020, ISO9001, ANSI, CSA, CE
20Common AccessoriesFan, temperature controller, housing, power indicator
21Enclosure Materialcold-rolled steel or stainless steel options
22Enclosure Protection Rating IP23 to IP54.
23WarrantyTypically one year, depending on the client’s specific needs
24Min. order quantity≧ 1 set
25Packaging DetailsInternational wooden cases or according to the actual transport needs
26Delivery TimeGenerally, it is 20-30 days. It is according to the quantity.
TypeRated power
(kVA)
Winding connectionVoltage combinationNo-load loss
(W)
On-load loss(W)No-load current
(%)
Short Circuit Impedance
(%)
High voltageVoltage regulation rangeLow voltage
S11-M-30 30  Yyn0

  or
Dyn11
6
6.3
10
10.5
11
±5%
or
±2×2.5%
0.4100630/6002.34.0
S11-M-50 50130910/8702.04.0
S11-M-63 63150   1090/10401.94.0
S11-M-80 80180   1310/12501.94.0
S11-M-100 100200   1580/15001.84.0
S11-M-125 125240   1890/18001.74.0
S11-M-160 160280   2310/22001.64.0
S11-M-200 200340   2730/26001.54.0
S11-M-250 250400   3200/30501.44.0
S11-M-315 315480   3830/36501.44.0
S11-M-400 400570   4520/43001.34.0
S11-M-500 500680   5410/51001.24.0
S11-M-630 630810 62001.14.5
S11-M-800 800980 75001.04.5
S11-M-100010001150 103001.04.5
S11-M-125012501360 128000.94.5
S11-M-160016001640 145000.84.5
S11-M-200020002280 178200.65.0
S11-M-250025002700 207000.65.0