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Transformer High voltage cabinet Low voltage cabinet Outdoor complete equipment

Oil-immersed Power Transformer

PRODUCT PARAMETERS：
Executive standards: IEC, GB, ANSI/IEEE, NEMA
Capacity: 6300kVA~180000 kVA
Rated voltage on the primary side: 110kV~121kVA
Secondary side rated voltage: 6.3kV~38.5kVA
Number of tap off gears: 5-17
Frequency: 50/60Hz
Number of phases: three-phase
Connection group: Yd11/YNd11, etc
Impedance: 10%~14%

Hotline：+86-570-4982909　銷售熱線：+86-570-4982880

Description

Feature

Parameter

The iron core of 110kV oil-immersed power transformer is made of high quality oriented silicon steel sheets by multi-stage step lamination, and the surface is coated with curing paint. Low loss, low noise, etc. The coil adopts the internal and external bracing structure, and the high-strength hard paper tube structure is used between the coil and the iron core, so as to effectively ensure the short circuit impact resistance. The fuel tank adopts the one-time forming and bending corrugated structure to increase the mechanical strength and make the appearance beautiful and generous. All-round positioning structure is adopted between the transformer body and the oil tank to ensure transportation and operation stability.

Low loss: Meet the energy efficiency requirements in the standard GB20052-2020 "Energy Efficiency Limits and Levels for Power Transformers";
Low noise: The self cooling noise level will reach below 60dB;
Low partial discharge: The partial discharge volume should be controlled below 100pc;
Strong short-circuit resistance: The coil is internally supported by a high-quality insulation skeleton, and the side wall of the fuel tank is formed by laser cutting in one go;
Beautiful appearance: Full polishing and rust removal, powder electric spraying paint can achieve the spraying effect of household appliances;
No leakage: All sealing flanges adopt groove structure, the oil drain valve adopts copper valve, and the radiator adopts vacuum butterfly valve to ensure sealing performance.

Rated capacity KVA	Level 1		Level 2		Level 3		short circuit impedance %
Rated capacity KVA	Empty loss W	Load loss W	Empty loss W	Load loss W	Empty loss W	Load loss W	short circuit impedance %
6300	4.1	32	4.8	38	5.9	33	10.5
8000	4.9	38	5.8	38	7.1	40
10000	5.8	45	6.8	45	8.4	48
12500	6.8	53	8.1	53	9.9	56
16000	8.3	65.7	9.8	65.7	12.0	69
20000	9.7	79	11.4	79	14.1	84
25000	11.4	94	13.5	94	16.6	99
31500	13.5	111	16.0	111	19.7	117
40000	16.2	133	19.1	133	23.5	141
50000	19.4	158	22.9	158	28.2	166
63000	22.9	187	27.0	187	33.3	198
75000	26.0	212	30.7	212	37.8	224	12~14
90000	29.9	245	35.4	245	43.5	258
120000	37.3	303	44.4	303	54.2	320
150000	44.1	359	52.1	359	64.1	379
180000	49.5	411	58.5	411	72.0	434

Note: The data in the table is for reference only. The company reserves the right to make changes to the data and accepts special orders.