Q & A

测试前检查

  • 冷却系统阀门开启正确,开关油位正常

  • 主控制柜引出的电源或信号线均已隔离或接到相应端子上

  • 直流源电压正确,交流电源供电正确

  • 开关充满油,阀门处于工作状态

  • 控制柜是否有效接地,CT已短接,对地接通

  • 油枕和油箱/有载开关的连管打开

基本回路检查

  • 加热器功能正常,照明灯功能正常,插座电源正常,风机功能正常

冷却系统功能

  • 第一组风机手动启动

  • 第二组风机手动启动正常

  • 备用风机手动启动正常

  • 第一组风机自动启动

  • 第二组自动启动正常

  • 备用风机自动启动

  • 第一组油泵手动启动正常

  • 第二组油泵手动启动正常

  • 第三组油泵手动启动正常

  • 备用油泵手动启动正常

冷却系统报警功能

  • 主风机故障报警正常

  • 备用风机故障报警正常

  • 备用油泵故障报警正常

  • 主油泵故障报警正常

  • 温度控制风机或冷却系统启动正常

绕组油温表功能

  • 根据图纸检查温度表报警与跳闸功能正常

  • 油温表节点功能正常

  • 绕组表节点功能正常

  • 绕组油温表温度设置完成

  • 电流匹配器设置完成

  • 测量PT100/Cu50电阻值正常

开关功能测试

  • 开关柜照明与加热基本回路功能正常

  • 开关自动操作一个循环功能正常

  • 开关手动操作一个循环正常

  • 开关滤油机运行正常

  • 对于三相开关同步正常

  • 开关输出信号功能正常

  • 正反方向进行几次分接变换操作,检查调整后的连轴是对称的

  • 上部档位和控制机构显示一致

组件回路检查

  • 气体继电器正确安装,箭头指向储油柜

  • 气体继电器手动跳闸正常

  • 主体压力释放阀跳闸功能正常

  • 油位计信号回路正常

  • 油位计油位是否与温度一致

  • 油位计手动报警正常

  • 突发压力继电器跳闸功能正常

  • 电流互感器回路正常

风控箱检查

  • 加热与照明回路正常

  • 风机控制回路接线正确

继电器设置

  • 时间继电器按图纸设置完成

  • 电压监视器按图设置完成

  • 电流继电器按图设置完成

其他测试

  • 其他功能测试

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