| 电力机车牵引绕组阻尼电路参数匹配对设备安全的影响 |
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| 引用本文： | 蒋家久.电力机车牵引绕组阻尼电路参数匹配对设备安全的影响[J].铁道机车车辆,2005,25(4):4-10. |
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| 作者姓名： | 蒋家久 |
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| 作者单位： | 株洲电力机车研究所,湖南,株洲,412001 |
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| 摘 要： | 根据整流桥换流工作原理,研究了绕组阻尼电路的工作特点,给出阻尼电容电流及电阻功耗的计算方法,通过计算分析找出阻尼器件大量损坏的原因;分析了阻尼电容放电电流对晶闸管的危害性;进一步探讨机车操作过电压特点,推荐能兼顾操作过电压、满足阻尼器件和整流装置安全工作的阻尼电路参数。
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| 关 键 词： | 阻尼电路 操作过电压 换流 过渡过程 开通损坏 |
| 文章编号： | 1008-7842（2005）04-0004-06 |
| 收稿时间： | 2005-03-18 |
| 修稿时间： | 2005-03-18 |
Effect on Equipment Work Safely by Matching Damping Circuit Parameters of Traction Coil on Electric Locomotive |
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| JIANG Jia-jiu.Effect on Equipment Work Safely by Matching Damping Circuit Parameters of Traction Coil on Electric Locomotive[J].Railway Locomotive & Car,2005,25(4):4-10. |
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| Authors: | JIANG Jia-jiu |
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| Abstract: | The characteristics of coil damping circuit is studied,the current of damping capacitance and the calculation of resistor power consumption are also proposed by commutating current theory of rectifier.The damping components damage largely is pointed out.The discharge current of damping capacitance could damage thyristors.The parameters of damping circuit are recommended to ensure damping components and rectifier work safely even under operational over-voltage conditions. |
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| Keywords: | damping circuit operational over-voltage commutating current transitional process switch-on damage |
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