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First, the principle of reactive power compensation compensation cabinet:
For most of the industrial load are inductive load characteristics, the use of parallel capacitors to implement reactive power compensation, improve power factor, reducing the total line current, reducing line loss, improve power utilization, and ultimately to save electricity .
The role of reactive power compensation
(1) reduce the total current transmission system, thereby enhancing the load capacity of the transformer;
(2) to stabilize the grid voltage, extend the service life of the user electrical equipment, improve the rate of enterprise products into the;
(3) reduce the heat loss of transmission lines and transformers;
(4) increase the utilization of transformers and transmission lines, thereby reducing equipment investment costs;
(5) increase the power factor, reduce the interest rate adjustment of electricity expenses;
(6) electric Rong compensation cabinet low cost, cost-effective.

Second, how reasonable into the electric Rong compensation cabinet and maintenance:
(1) over compensation and under compensation can not achieve the best effect of saving electricity, should be based on the actual situation of the appropriate reactive power compensation, the use of intelligent dynamic compensation cabinet can play the best results;
(2) only in the transformer low side of the centralized compensation can not eliminate the internal reactive current flow, low-voltage power supply line long, the end of the load on the use of electricity equipment on the side of the local compensation can get better results;
(3) regularly check the capacitor three-phase current, if the phase or single-phase current was significantly lower than normal, then the capacitor has been aging failure, must be replaced.