关键词： IGBT 驱动；过电流保护；软关断 [gap=938]Key words：IGBT；over-current protection；soft shut down
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IGBT的驱动和过流保护电路的研究 -文本浏览模式- 文档 - 枢研网 关键词: IGBT; 驱动电路; 过流保护 [gap=393]Key words: IGBT; Driving Circuit; Over-current protection
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... over-current protect 过电流保护 over-current protection 保险丝 over-current relay 超负载继电器 ; 电流通过流替续器 ...
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Over current protection [电] 过流保护 ; 流保护 ; 电流保护 ; 过电流保护
Over current protection test 过流保护测试 ; 过电流保护测试 ; 电流保护测试 ; 流保护测试
Input over-current protection 输入过流保护
Directional over-current protection 方向过流保护
definite-time over-current protection 定时限过流保护
definite time over-current protection 定时限过电流保护
instantaneously over-current protection 无时限电流速断保护
Over-voltage over-current protection 过电压过电流防护
And current detecting is the key of over-current protection.
而电流检测又是过流保护的重中之重。
参考来源 - BUCK型DCFirstly,beginning with the existing quench protection methods and over-current protection of power system,the paper analyses the problems faced by the quench protection of high temperature superconducting cable,and brings forward an idea of researching the relation between over-current and temperature.
首先,从超导体已有的失超保护方法以及电力系统过电流保护方法出发,分析了高温超导输电电缆过电流失超保护中所面临的问题,提出了从过电流与温升的关系入手来探讨保护策略的思路。
参考来源 - 高温超导输电电缆过电流失超保护研究Over-current protection circuit of IGBT was designed based on the principles of slow decrease of the gate voltage and soft switching over-current protection. When over current occurs, the gate voltage is decreased slowly immediately.
基于软降栅压及软关断过流保护原理设计了IGBT过流保护电路，该电路在出现过流时，立即缓降栅压，利用IGBT承受短路电流时间延长这个阶段，判别真假故障电流，决定是否进行信号封锁。
参考来源 - 波控逆变CO·2,447,543篇论文数据，部分数据来源于NoteExpress
Over-current protection device, ensuring reliable protection.
设有过电流保护装置，保护可靠。
In order to maintain convenient, over-current protection is generally used with automatic recovery of the protector.
为了维护方便，过流保护一般都采用有自动恢复功能的保护器。
The validity check of zero-sequence operating direction for transformer directional over-current protection is also essential.
另外还需要进行变压器零序方向过电流保护动作方向正确性的检查。
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