节点文献
MG200/500-AWD型交流电牵引采煤机变频器保护系统的改进
MG200/500-AWD-AC Inverter Shearer Traction System to Improve Protection system
【摘要】 着重阐述了一种新的保护方法,就是在变频器的输入端加了一个空气开关,空气开关上并联压敏电阻(400 V电压选用865 kΩ压敏电阻),当有高压电时压敏电阻就会短路,空气开关迅速跳闸,保护了变频器,变频器损坏率大大降低,科学实用,效果显著。
【Abstract】 Focusing on a new method of protection is the increase transducer input of an air switch,air pressure-sensitive switch on the parallel resistance(400 V voltage varistor 865 kΩ optional) when there are high-voltage varistor time will be short-circuit air trip switch quickly to protect the inverter,the inverter greatly reduce the failure rate the scientific and practical results are obvious.
- 【文献出处】 煤矿机械 ,Coal Mine Machinery , 编辑部邮箱 ,2009年06期
- 【分类号】TD421.6
- 【被引频次】1
- 【下载频次】62