Renewable Energy Transformer-Milky way Transformer Co.,Ltd.

Scope of application

Step up distribution of new energy power stations

Used for photovoltaic, wind power, and energy storage systems to complete voltage conversion and boost matching, and adapt to the grid connection needs of power plants.

Multi structure scheme selection

Two types of structures are available: oil immersed and dry-type, and the transformer type can be selected according to the on-site working conditions

Customized parameter configuration

Select and design based on inverter output, winding quantity, load curve, harmonics, and grid connection requirements

Product description

Balancing harmonics and grid connection: It can meet the technical requirements of harmonic suppression and grid connection, ensuring stable operation of the system.

Customized selection design: Match the scheme based on the inverter output, winding quantity, and load curve.

Structural options available: Oil immersed and dry structures are available to adapt to different on-site installation conditions.

New energy scenario adaptation: used for photovoltaic, wind power, and energy storage systems, undertaking voltage conversion and boosting supporting work.

Product features

safe and reliable

Oil free, with strong fire resistance, eliminating the risk of oil leakage; Capable of withstanding short-circuit current and overvoltage, and adapting to harsh environments.

Eco-design

Using environmentally friendly materials, low noise and no pollution, to assist in the construction of a green power grid.

Excellent heat dissipation performance

Efficient cooling system ensures that the equipment maintains low temperature during long-term operation, effectively extending the service life of the equipment.

Convenient operation and maintenance

Humanized design, simple operation, convenient and fast daily inspection and maintenance, significantly reducing operating costs.

Durable and sturdy structure

Durable shell design, impact resistance, corrosion resistance, able to adapt to various complex and harsh working environments.

Convenient and worry free operation and maintenance

Modular structure design, supporting quick disassembly and assembly, combined with intelligent monitoring system, making operation and maintenance work more worry free and effortless.

Technical parameters

35kV dry three-phase double-winding non-exciting voltage regulation new energy generation side for photovoltaic, wind power, energy storage transformers

Rated capacity(kVA)	Rated voltage and tapping range			Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	On load losses (kW)
Rated capacity(kVA)	HV	Tapping range(%)	LV	Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	B (100℃)	F (120℃)	H (145℃)
1000	35~38.5	±2×2.5 ±5	0.4~1.14	Dyn11 Yd11 Yyn0	0.85	6.0~14.0	1.4	8.8	9.4	10.1
1250					0.75		1.6	10.7	11.4	12.2
1600					0.75		1.9	13.1	13.9	14.9
2000					0.65		2.2	15.4	16.4	17.5
2500					0.65		2.6	18.5	19.6	21
3000					0.60		3.2	20.3	21.6	23.1
3150					0.60		3.5	20.7	22.1	23.5
4000					0.60		4.1	24.9	26.5	28.2
4500					0.55		4.4	27.4	29.1	31.1
5000					0.55		4.8	29.6	31.4	33.6
6300					0.55		5.7	34.6	36.7	39.2
8000				Dyn11 Yd11 YNd11	0.45		6.9	41.7	44.3	47.3
10000				Dyn11 Yd11 YNd11	0.45		8.2	49.0	52.1	55.7

10kV dry three-phase double-winding non-exciting voltage regulation new energy generation side for photovoltaic, wind power, energy storage transformers

Rated capacity(kVA)	Rated voltage and tapping range			Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	On load losses(kW)
Rated capacity(kVA)	HV	Tapping range(%)	LV	Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	B (100℃)	F (120℃)	H (145℃)
500	10~12	±5 ±2×2.5	0.4~1.14	Dyn11 Yyn0	0.8	4.0~10.0	0.67	4.13	4.39	4.705
630					0.7		0.775	4.975	5.29	5.66
800					0.7		0.875	5.895	6.265	6.715
1000					0.7		1.02	6.885	7.315	7.885
1250					0.7		1.205	8.19	8.72	9.335
1600					0.7		1.415	9.945	10.555	11.32
2000					0.6		1.76	12.24	13.005	14.005
2500					0.6		2.08	14.535	15.445	16.605
3150					0.5		2.52	17.95	19.095	20.49

35kV oil-immersed three-phase double-winding non-exciting voltage regulation new energy generation side for photovoltaic,wind power, energy storage transformers

Rated capacity(kVA)	Rate voltage and tapping range			Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	On load losses(kW)
Rated capacity(kVA)	HV	Tapping range(%)	LV	Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	On load losses(kW)
1000	35~38.5	±2×2.5 ±5	0.4~1.14	Dy11 Yd11	0.52	6.0~14.0	0.6	10.4
1250					0.44		0.8	12.5
1600					0.36		0.9	14.9
2000					0.36		1.2	16.5
2500					0.36		1.4	17.6
3000					0.36		1.6	20.3
3150					0.36		1.7	20.7
4000					0.36		2	24.6
4500					0.36		2.2	27.1
5000					0.36		2.4	28.2
5500					0.36		2.6	30.3
6300					0.36		2.9	31.5
8000				YNd11	0.28		4	34.6
10000					0.28		4.8	40.8
12500					0.24		5.6	50.7

10kV oil-immersed three-phase double-winding non-exciting voltage regulation new energy generation side for photovoltaic, wind power, energy storage transformers

Rated capacity(kVA)	Rate voltage and tapping range			Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	On load losses(kW)
Rated capacity(kVA)	HV	Tapping range(%)	LV	Vector group	No load current(%)	Impedance voltage(%)	No load losses(kW)	On load losses(kW)
500	10~12	±2×2.5 ±5	0.4~1.14	Dy11 Yd11	0.64	4.0~8.0	0.385	3.9
630					0.48		0.46	4.46
800					0.48		0.56	5.4
1000					0.48		0.665	7.415
1250					0.4		0.78	8.64
1600					0.32		0.94	10.44
2000					0.32		1.085	13.18
2500					0.32		1.28	15.27
3000					0.32		1.547	16.797
3150					0.32		1.606	17.978