柔性电站用中压直流快速隔离柜研究  

Research on Medium Voltage DC Fast Isolation Cabinet for Flexible Power Station

作　　者：付明志 秦猛 孟宪乐 宋波 FU Ming-zhi;QIN Meng;MENG Xian-le;SONG Bo(Tianjin Pinggao Intelligent Electric Co.,Ltd.,TIANJIN 300300)

机构地区：[1]天津平高智能电气有限公司,天津300300

出　　处：《天津冶金》2019年第2期39-41,共3页Tianjin Metallurgy

摘　　要：10kV中压直流快速隔离柜是柔性电站系统关键设备,用于替代价格昂贵的直流断路器,保护电力电子变压器及电力系统的安全。快速隔离柜要求具有小于4 ms的快速分合闸的能力,具备与电站系统光学电流传感器光CT通信能力,可同时接受电力电子变压器控制保护系统及电站后台控制系统的控制。根据自身的安全保护特性,结合电力电子变压器顺控逻辑和柔性电站系统电气参数,综合安全保护逻辑,输出正确的动作指令,保护系统及设备本身的安全。The±10kV medium voltage DC fast isolation cabinet is the key equipment of the flexible power station system.It is used to replace the expensive DC circuit breaker and protect the safety of power electronic transformers and power systems.The fast isolation cabinet requires a fast switching capability of less than 4ms.It has the ability to communicate with the optical current sensor of the power station system,simultaneously,can be controlled by the power electronic transformer control and protection system and the power station background control system.According to its own safety protection characteristics,it combines the electrical parameters of the power electronic transformer sequence control logic and the flexible power station system,integrates the safety protection logic,outputs the correct motion instructions,and protects the safety of the system and the equipment itself.

关 键 词：柔性电站 电力电子变压器 直流快速开关 控制保护装置 光CT 

分 类 号：TM62[电气工程—电力系统及自动化]