一种互感器警报系统
本发明公开了一种互感器警报系统,包括机械状态检测模块、电参数检测模块、二次采样模块、主控模块、通信模块和本地告警模块。机械状态检测模块输出反映锁扣状态或压紧状态的机械状态量,电参数检测模块通过向二次绕组注入高于工频的测试信号获取阻抗或相位等电参数状态量,二次采样模块采集二次电流有效值。主控模块内置融合判据单元、分级报警单元和健康评分单元,根据机械状态量、电参数状态量和二次电流有效值对互感器误开状态进行融合分级判断并生成报警代码,同时生成反映设备健康程度的健康评分值。
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