BPA直流故障+交流故障卡填写说明

（1） 确认“故障确定时刻”，即直流闭锁时刻；（2） 直流闭锁后200ms（10周波）切除滤波器，滤波器容量为并联无功负荷功率；（3） 直流闭锁后300ms（15周波）切除风/火电机组。切火电LS蒙京能G020. 4 97.5 99999切风电（无故障断风电场220kv送出线）LS满金山21230.满东苏21230.1 9 97.5 6锡盟一泰州直流结构：多端分层接入交流网，泰州换流站低端接入1000kV两回线，高端接入500kV六回线;蒙锡换5N/5P分别输送1/2Pn，国泰换5N/5P和国泰换5F/5Z分别输送1/4Pn蒙锡换5N国泰换5N 国泰换_525蒙锡换 1—国泰换国泰换5F51 | 1050 国泰换5Z"左曰心, 国泰换5P蒙锡换5P1.双极两全再启动失败闭锁后切平（1）分层直流：50周波发生故障，32.5周波（650ms=150+150+200+150）后直流双极闭锁。直流再启动时指的是“主直流再启动”；“闭锁”指的是双极分层均闭锁。LS蒙锡换5N525.国泰换5N525.31550. 100. 2 95.LS#蒙锡换5N525.国泰换5N525.3151164.0.1560.0. 0.11LS#蒙锡换5N525.国泰换5N525.3152164.0.2060.0. 0.11LS蒙锡换5P525.国泰换5P525.31550. 100. 2 95.LS#蒙锡换5P525.国泰换5P525.3151164.0.1560.0. 0.11LS#蒙锡换5P525.国泰换5P525.3152164.0.2060.0. 0.11LS国泰换5Z1050国泰换5P525.41582.5LS国泰换5F1050国泰换5N525.41582.5LS蒙锡换5N525.国泰换5N525.41582.5LS蒙锡换5P525.国泰换5P525. 41582.5LS蒙锡换51525.4 92.5 2450.（2）双极连续三次换相失败闭锁后切平连续两次换向失败并恢复，第三次换向失败后1.5周波（30ms）直流闭锁。“换向失败”指的是双极分层直流均换向失败。

(5)双极2次全压+1次降压再启动失败闭锁后切平：50周波(150ms+150+200+150ms+200+150ms)后直流闭锁。LS蒙锡换5N525.国泰换5N525.31550.100.31105.LS#蒙锡换5N525.国泰换5N525.3151164.0.1560.0.0.11LS#蒙锡换5N525.国泰换5N525.3152164.0.2060.0.0.11LS#蒙锡换5N525.国泰换5N525.3153164.0.2080.0.0.11LS蒙锡换5P525.国泰换5P525.31550.100.31105.LS#蒙锡换5P525.国泰换5P525.3151164.0.1560.0.0.11LS#蒙锡换5P525.国泰换5P525.3152164.0.2060.0.0.11LS#蒙锡换5P525.国泰换5P525.3153164.0.2080.0.0.11LS国泰换5Z1050国泰换5P525.415100.LS国泰换5F1050国泰换5N525.415100.LS蒙锡换5N525.国泰换5N525.415100.LS蒙锡换5P525.国泰换5P525.415100.LS蒙锡换51525.4 30.2250.LS蒙锡换5N525.国泰换5N525.9915LS蒙锡换5N525.国泰换5N525.991525.130.0.10.20.LS#蒙锡换5N525.国泰换5N525.9915LS蒙锡换5P525.国泰换5P525.991525.130.0.10.20.LS#蒙锡换5P525.国泰换5P525.9915LS国泰换5N525.国泰换5F1050991525.130.0.10.20.LS#国泰换5N525.国泰换5F10509915LS国泰换5P525.国泰换5Z1050991525.130.0.10.20.LS#国泰换5P525.国泰换5Z10509915LS国泰换5Z1050国泰换5P525.41521.5LS国泰换5F1050国泰换5N525.41521.5LS蒙锡换5N525.国泰换5N525.41521.5LS蒙锡换5P525.国泰换5P525.41521.5LS431.52250.(4)直流双极闭锁后切平：20周波时，直流双极直接闭锁。LS国泰换5Z1050国泰换5P525.41520LS国泰换5F1050国泰换5N525.41520LS蒙锡换5N525.国泰换5N525.41520LS蒙锡换5P525.国泰换5P525.41520蒙锡换51525.(3)双极连续三次换相失败(并不闭锁)LS国泰换5Z1050LS蒙锡换5P525.LS蒙锡换LS国泰换5Z1050LS蒙锡换5P525.LS蒙锡换51525.另一极：LS国泰换5F1050LS蒙锡换5N525.LS蒙锡换51525.国泰换5P525.41520.国泰换5P525.41520.4 30.国泰换5N525.4155.国泰换5N525.4155.1962.1963.(6)直流单极闭锁：P级闭锁，则对应的另一层Z级同样闭锁。LSLS国泰换5Z1050蒙锡换5P525.国泰换5P525.国泰换5P525.44151520.20.LS蒙锡换51525.430. 3925.(7)直流单极1次再启动成功+另一极闭锁后切平：5周波再启动，500ms后成功，同时另一极闭锁。LSLS#蒙锡换5P525.蒙锡换5P525.国泰换5P525.3国泰换5P525.315155. 100. 1 9.1164.0.5060.0. 0.11LS国泰换5F1050国泰换5N525.4155.LSLS蒙锡换5N525.蒙锡换51525.国泰换5N525.41545.15. 1900.(8)直流单极1次再启动失败闭锁+另一极闭锁后切平：5周波一级再启动，同时另一极闭锁，该级15周波(150+150ms)后也闭锁。LS蒙锡换5P525.国泰换5P525.3 155. 100. 1 25.LS#蒙锡换5P525.国泰换5P525.3 15 1164.0.1560.