本溪泰林高中频设备有限公司专业提供中频炉、中频电炉、中频炉水冷电缆、中频炉感应圈、中频炉泄放电感、中频炉热电容、中频炉电抗器的厂家中频炉修理，主要产品有中频炉水冷电缆、中频炉感应圈, 中频炉泄放电感、中频炉热电容、中频炉电抗器等生产按标准严格生产，产品质量好，价格合理，支持定制，服务保障!欢迎来电咨询。
中频电炉三桥臂运行故障的修理
color:#505050;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">故障现象：启动困难，偶尔启动中频啸叫声比正常时低，直流电压低，直流电流大，加大直流电压过流保护，用示波器观察逆变桥臂波形时，有一臂正常，另一臂为直线。 mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";color:#505050; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">
1. color:#505050;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">可能逆变侧有一桥臂的元件损坏或击穿（用万用表重点检查晶闸管的阻值；检查阻容吸收电路中的电容是否击穿；检查外线是否短路） mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";color:#505050; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">
2. color:#505050;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">可能逆变侧有一桥臂的晶闸管没有被触发导通（检查逆变触发脉冲是否正常；晶闸管的触发功率是否太大） mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";color:#505050; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">
3. color:#505050;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">逆变移相反压角太小，使晶闸管不能关断（加大逆变反压角，增加储备时间，使晶闸管可靠关断；或增加负载电路的电容量，使频率降低一些） mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";color:#505050; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">
4. color:#505050;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">负载炉圈对地短路或扎间短路将造成三桥臂运行，造成过流。 mso-fareast-font-family:宋体;mso-bidi-font-family:"Times New Roman";color:#505050; mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN; mso-bidi-language:AR-SA">
2022长春市中频炉修理行情、长春市中频炉行情