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1.YBWFG-40.50.69 Wind Power TransformerPhotovoltaic Power Transformer.jpg

2.YBWFG-40.50.69 Wind Power TransformerPhotovoltaic Power Transformer.jpg

3.YBWFG-40.50.69 Wind Power TransformerPhotovoltaic Power Transformer.jpg

China Suppliers Factory Wind Power & Photovoltaic Transformers 40.5kV / 12kV for Renewable Energy Solutions

Introducing our high-performance box-type step-up transformers designed specifically for wind power and photovoltaic (solar) applications in China. These transformers play a crucial role in the renewable energy sector by efficiently transforming the standard 690V output from wind turbines and solar panels into higher voltages of 40.5kV or 12kV. This voltage enhancement ensures effective power collection and seamless transmission within the farm grid. As a leading factory and trusted suppliers in China, we engineer these transformers to meet the unique demands and environmental conditions of renewable energy projects, supporting the growth of sustainable energy solutions

Product Details

Product Model

Technical Parameters

Serial Number	Item	Unit	Parameter
1	Rated frequency	Hz	50
2	System voltage	kV	10	35
3	Maximum operating voltage	kV	12	40.5
4	Rated current of the switch	A	400、630、1250
5	Transfer current of the switch	A	1000–3150
6	Rated short-time withstand current	kA	12.5 (2s or 4s)、16 (2s or 4s)、20 (2s or 4s)
7	Rated peak withstand current	kA	31.5、40、50
8	Power frequency withstand voltage (for ground and phase isolation)	kV	42/48	95/115
9	Lightning impulse withstand voltage (for ground and phase isolation)	kV	75/85	185/215
10	Rated short-circuit breaking current (current-limiting fuse)	kA	31.5
11	Breaking capacity of no-load transformer	kVA	1250	2500

Frequently Asked Questions

Q1 What is the rated frequency of the YBWFG-40/50/69 Wind Power / Photovoltaic Power Transformer?

The rated frequency of this transformer is 50 Hz, complying with standard power grid requirements for wind and photovoltaic power generation applications.

Q2 What system voltage levels does this transformer support?

This transformer supports two system voltage levels: 10 kV and 35 kV, with corresponding maximum operating voltages of 12 kV and 40.5 kV respectively.

Q3 What are the available rated current options for the switch?

The switch offers rated current options of 400 A, 630 A, and 1250 A, with a transfer current range of 1000 A to 3150 A, providing flexibility for different load demands.

Q4 What is the rated short-time withstand current of this transformer?

The rated short-time withstand current is available in three levels: 12.5 kA, 16 kA, and 20 kA, each applicable for durations of either 2 seconds or 4 seconds, ensuring robust fault tolerance.

Q5 What are the lightning impulse withstand voltage values for this transformer?

For the 10 kV system, the lightning impulse withstand voltage is 75/85 kV (for ground and phase isolation). For the 35 kV system, it is 185/215 kV, ensuring reliable insulation performance under lightning surge conditions.

Q6 What is the breaking capacity of the no-load transformer?

The breaking capacity of the no-load transformer is 1250 kVA for the 10 kV system and 2500 kVA for the 35 kV system, making it suitable for a wide range of renewable energy substation configurations.