229-3-39087-25-V

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Introduction

Circuit breaker is an important device in the switching operation of power system. It can open and close the circuit under the action of external force. 229-3-39087-25-V (hereinafter referred to as the V circuit breaker) is a new type of high voltage circuit breaker developed by East China Electrical Co., Ltd. It has wide application field and simple working principle. This article will introduce the application field and working principle of this product in detail.

Application Field

V circuit breaker is suitable for power line of dc 50HZ, 3KV to 40.5KV, which can be used to break and close the circuit for a long time. It has the advantages of good performance, light weight, small volume, long service life, easy maintenance, etc. Generally speaking, it is suitable for such occasions as long-distance power transmission and distribution, overload protection and short circuit protection of equipment, as well as frequent operation and frequent start-up under the condition of large capacity.

Working Principle

V circuit breaker adopts the three-position five-stage static soft-water principle. The operation process of the circuit breaker can be divided into three stages: charging, breaking and closing. During the charging process, energy is stored in the drive motor, and the moving contacts of the electric switch are realized. During the breaking process, energy is released and the electric contact of the switch is opened. During the closing process, the drive motor is energized again, and the electric contact of the switch is closed.

The V circuit breaker is equipped with a protection device (don\'t touch protection). When the V circuit breaker is in the "transfer" and "closed" position, if an uninsulated metal object is touched or exceeds the preset safety distance, the V circuit breaker will automatically enter the "closing"position, which can prevent electric shock. The product is also equipped with a high-precision, fast-responsive and reliable arc-extinguishing device, which can effectively shorten the arc extinguishing time and prevent the arc re-ignition.

Conclusion

In conclusion, the V circuit breaker has a wide application field and simple working principle, making it an ideal choice for power line of dc 50HZ, 3KV to 40.5KV. With its reliable performance and long service life, it is one of the best circuit breakers available in the market.

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