The digital first-harmonic detecting method based on this kind of filter can be used in anyone power harmonic compensation system and microcomputer relay protection system.
此滤波器设计的数字基波检测方法可用于任何一种电力系统的谐波补偿和微机继电保护系统中。
A study on an auto compensation of capacitance current should be highly conducted to improve the technical level of the leakage check relay.
但应努力开展电容电流自动补偿的研究工作，以进一步提高检漏继电器的技术水平。
The dynamic characteristic of the relay increases its tolerance to fault arcing resistance and it can be used on transmission lines with capacitance compensation.
该继电器具有保护弧光电阻及适用于带串联补偿电容线路的正、反向动态特性曲线。
A kind of intelligent compound switch using for reactive power compensation of low voltage, using a parallel structure of bidirectional silicon-controlled and magnetic latching relay was introduced.
介绍一种用于低压无功补偿装置中的智能型复合开关，它采用双向晶闸管与磁保持继电器并联的工作结构。
The second one is about how to enhance the connection between system compensation and phase plane analysis method through introducing PID parameter self-tuning method based on relay.
第二个是关于如何通过介绍继电器型PID参数整定方法，促进系统校正与描述函数分析方法之间联系。
The second one is about how to enhance the connection between system compensation and phase plane analysis method through introducing PID parameter self-tuning method based on relay.
第二个是关于如何通过介绍继电器型PID参数整定方法，促进系统校正与描述函数分析方法之间联系。
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