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1 故障现象 ＤＦ5型 10 17号机车运用中发生过这样一起故障 :起动发电机 (ＱＦ)电压及蓄电池充电电流突然升高 ,同时伴随着电器柜内一声爆炸 ,ＱＦ电压电流表到头 ,电压调整器失效。2 故障查询及处理 机车回段后检查发现 ,电压调整器内Ｄ3稳压二极管的Ｃ2保护电解电容
1 failure phenomenon DF5 10 17 locomotive operation occurred in such a failure: starter generator (QF) voltage and battery charging current suddenly increased, accompanied by an explosion within the electrical cabinet, QF voltage and current meter in the end, the voltage regulator failure . 2 fault inquiries and processing locomotive back to check after found that the voltage regulator D3 Zener diode C2 protection electrolytic capacitor