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Wind Power Box Type Substation

Specially designed according to wind (photovoltaic) electricity technology, it has the characteristics of meeting the special requirements of “one in and one out” of wind (photovoltaic) electric field.
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■ Wind (photovoltaic) electric special box-type substation (American) structure and dimensions


1. Wind (photovoltaic) special box-type substation (American) is composed of three parts: high-voltage room, transformer, and low-voltage room. It adopts the "one-in-one-out method" of low-voltage input and high-voltage output, and the high and low voltage connection pile heads of the transformer It adopts the horizontal lead-through method of wall sleeves, which are arranged at the front and rear ends of the body respectively.


2. The load switch and fuse of the wind (photovoltaic) special box-type substation (American) are enclosed in the fuel tank, and the load switch is operated in the low-voltage room. The fuse is divided into the main fuse and the backup fuse. The main fuse can be repaired on-line, and the backup fuse has a strong breaking capacity, which can effectively protect the normal operation of the transformer.


3. The low-voltage room is equipped with a low-voltage frame type air switch or low-voltage fuse, which is used to receive the 0.69kV voltage output by the wind (photovoltaic) generator set. It can also be equipped with a small-capacity transformer to provide box change and wind (photovoltaic) tower lighting according to user needs. Electricity.


4. The transformer is a special step-up transformer for wind (photovoltaic) electric field. It can be equipped with low-loss transformers such as S11, S13 or amorphous alloy.


5. For 3MW and 5MW wind (photovoltaic) generating sets, it can be directly input to a box-type transformer with a low-voltage side voltage of 6.3kV.



■ Wind (photovoltaic) electric special box-type substation (European style) structure and dimensions


1. Wind (photovoltaic) special box-type substation (European style) is composed of three parts: high-voltage room, transformer, and low-voltage room.


2. The FZRN-40.5 vacuum load switch specially developed by our company for wind (photovoltaic) electric box substation (European) high-voltage room of the wind (photovoltaic) electric special box-type substation (European) is used, and the switch is placed in the high-voltage room. The switch is equipped with a high-voltage fuse, which serves as a knife-fuse isolation switch of the switch. When the knife-fuse isolating switch is operated, it has an obvious disconnection point. The switch has a perfect mechanical anti-error locking function. The knife-fuse isolating switch and the vacuum interrupter are mechanically linked. When the vacuum circuit breaker is in the closed state, the knife-fuse isolating switch cannot be opened and closed. When the fuse is blown, The vacuum circuit breaker is tripped by the linkage device.


3. Wind (photovoltaic) special box-type substation (European style) can be equipped with a shell that is compatible with the environment according to user requirements, and the transformer is installed in the shell.



■ Wind (photovoltaic) electric special box-type substation (combined) structure and dimensions


1. Wind (photovoltaic) special box-type substation (combined type) is composed of three parts: high-voltage room, transformer, and low-voltage room. It adopts the "one-in, one-out method" of low-voltage input and high-voltage output.


2. The high-voltage chamber of the wind (photovoltaic) special box-type substation (combined type) uses a vacuum load switch fuse combination and an isolating switch to match the outlet mode. The vacuum load switch fuse combination is used to break the load current and protect the transformer. When the power failure is overhauled, the isolating switch is opened and has an obvious disconnection point to ensure safe operation. There is a complete mechanical lock between the load switch fuse combination and the isolating switch, and the operation is safe and reliable.


3. Wind (photovoltaic) special box-type substation (combined) transformer adopts external structure.


4. Wind (photovoltaic) electric special box-type substation (combined type) can also be equipped with FZRN-40.5 vacuum load switch specially developed by our company for wind (photovoltaic) electric box substation. The selection of this type of switch can reduce the depth of the high-voltage chamber and reduce The small box becomes volume.


Rockwill T&D Group is a high-tech enterprise specializing in developing, manufacturing and marketing power transmission and distribution products.

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