谈客车电系过电压的防止

[430074]:,XMQ6703:Abstract:Thispapersystematicallyintroducesthereasonthatovervoltagecomesintobeinganditspreventingsteps.Moreover,theXMQ6703buselectricsourcedesignisimproved.Keywords:Middle2typebus,Electricsource,Overvoltage,,,,1111,11111,,,LC,,,,,,,,,75125V,100200ms11112,,300V,300ms,,120V,200ms11113,,,,200V,300ms,,,,112,,,2,,,,,ZnOXMQ6703231BUSTECHNOLOGYANDRESEARCHVol123No112001©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.NJ6701DERY2,4105BQ,7016kW,24V,,VCD,ECU112;2a2b2c2;33a3b2;42;52;62;72;82;92;1021XMQ6703,,,,4105BQ,,,,,,,,,,,,,(1),,212;2a2b2c2;33a3b2;42;52;62;72;82;92;1022(2),(3),,3,XMQ6703,,,,,;,,,,,,,,,,:19992082131:33©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.