通用继电保护地调定值自动校准系统设计

Design of the Automatic Calibration System for the Ground Setting Value of the General Relay Protection

针对传统校准系统继电保护地调定值参数取值模糊的问题,提出基于网拓扑结构优化和频率控制的通用继电保护地调定值自动校准系统设计方法。在嵌入式ARM处理器控制下,设计校准系统外围结构和核心功能模块,建立等效电路模型,计算等效电路模型的输出功率和电压的差值,依据差值优化继电保护地调定值参数;采用网拓扑结构优化控制方法,修正和融合处理通用继电保护地调定值的参数,建立通用继电保护地调定值自动校准模型,采用功率控制分配方法,控制和自动校准通用继电保护的频率,实现系统的硬件开发设计。仿真结果表明,采用该方法进行通用继电保护地调定值自动校准的准确性较高,输出稳定性较好,具有很好的时延均衡和输出稳定性。

In order to solve the problem of fuzzy setting value parameters of relay protection in traditional calibration system, a general design method of automatic calibration system for relay protection setting value based on network topology structure optimization and frequency control is proposed. Under the control of the embedded ARM processor, the peripheral structure and core function module of the calibration system are designed, the equivalent circuit model is established, the difference between the output power and the voltage of the equivalent circuit model is calculated, and the relay protection setting value is optimized according to the difference. Parameters;use network topology optimization control method, modify and fuse the parameters of general relay protection settings, establish a universal relay protection setting automatic calibration model, adopt power control allocation method, control and automatic calibration. The frequency of electrical protection realizes the hardware development and design of the system. The simulation results show that the method of automatic calibration of universal relay protection has high accuracy, good output stability, good delay balance and output stability.