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高压电器  2015 

一种VBE综合测试平台设计

, PP. 67-74

Keywords: 高压直流输电,阀基电子设备(VBE),测试平台,故障诊断,Labview

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Abstract:

阀基电子设备(VBE)是高压直流输电工程中专用于换流阀的驱动控制与保护的重要设备,用于实现换流阀中可控硅阀片的开关控制与运行监视,对换流阀的安全运行起到至关重要的作用。由于国外设备生产厂家对VBE技术的封锁,国内运维部门无法充分了解和掌握VBE的故障机理,VBE的故障诊断与维修方案依然依赖于国外设备供应商。笔者在分析VBE系统的硬件组成的基础上,给出了VBE系统的关键信号与数据流,设计与研制了一套VBE综合测试平台,包括模拟实际换流阀的换流阀仿真平台、控制与监视换流阀仿真平台的最小VBE系统和基于Labview语言编写的监控平台,该平台能够模拟正常与故障工况下VBE工作状态,复现故障情况下VBE系统的关键信号,便于捕捉和分析故障信号特征,为实际工程维修提供了有重要价值的参考。

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