Neutral Grounding Reactor

1. Function of neutral grounding reactor:

Neutral grounding reactor is an electrical device used to protect power systems by regulating the inductance and resistance in the circuit to limit the flow of current. In the power system, the neutral grounding of the main transformer is usually connected to the ground wire, but in some cases, overvoltage may occur due to capacitive loads or other factors in the system, which can affect the stability and reliability of the system.

Installing a neutral grounding reactor can effectively reduce the overvoltage of the main transformer and protect the system from the effects of overvoltage. Meanwhile, neutral grounding reactors can also improve the power factor of the power system, reduce the loss of reactive power, and enhance the energy efficiency of the power grid.

2. Principle of neutral grounding reactor:

The principle of neutral grounding reactor is to limit the flow of current by changing the inductance and resistance of the circuit. When capacitive loads or other factors cause overvoltage in the system, the neutral grounding reactor will generate a potential in the opposite direction, thereby offsetting the effect of overvoltage.

3. Summary:

Installing a neutral grounding reactor on the main transformer can effectively reduce the overvoltage of the system and improve the stability and reliability of the power system. The principle of neutral grounding reactor is to limit the flow of current by changing the inductance and resistance of the circuit, thereby protecting the system from overvoltage. In practical applications, the parameters of neutral grounding reactors need to be adjusted according to the needs of the system to achieve the best protection effect.

Product Standard:

GB/T 1094.6-2011     IEC 60076-6：2007

GB/T 1094.1-2011     IEC 60076-1：2011

GB/T 1094.3-2017     IEC 60076-3：2013

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