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The reasons why reverse current protection is not necessary in rectifiers of direct current traction substation are described. 摘要通过分析，阐述了直流牵引变电所内的整流器不必设置逆流保护的理由。
No Need to Set Up Reverse Current Protection in Rectifiers 对整流器不必设置逆流保护的探讨
reverse current protection 逆电流保护
In this mode, the device will limit the output reverse current. 在该模式下,器件会限制输出反向电流。
A semiconductor diode in which the reverse current varies with the intensity of received light. 反向电流随光的照射强度而发生变化的一种半导体二极管。
A new type of over current protection system of MCCB was Introduced. 介绍了一种新型塑壳断路器的过电流保护系统。
Measured at applied forward current of 10mA, reverse current 1.0mA, Reverse voltage of 6.0 voltage and RL=100 ohms. 测试条件:提供10毫安顺向电流;6伏等逆向偏压与100欧姆负载电阻;并于逆向电流回覆至1毫时量得的时间.
Aluminium material was electropolished with ad dition of additive TA in alkaline solution by periodic reverse current. 采用周期换向电解法,在添加适量添加剂TA的碱性溶液中对铝材进行电解抛光。
Inverse time current protection is judged by calculating the RMS of current and adding up heating effect. 长延时采用计算电流真有效值,累计热效应判别。
Compressor overloading protector,over charging relay,high/low voltage switch,frost-preventive switch,reverse current switch. 压缩机超载保护、过电流保护、高低压开关、温度开关、防冻开关、逆相保护.
Instead, pages adopt the current protection level of the database whenever they are written next. 相反,每当下一次写入时,这些页才会采用数据库的当前保护级别。
The current protection focuses on the administrative practice, but conveys no private rights to the right holders. 目前中国进行的主要是行政保护式的公法保护，但在私法保护上却没有什么依据。
In many circuit, this reverse current does not affect the convert characteristic and so the diode can also be considered as ideal during the turn-off transient. 在许多的电路中，二极管反向电流不会影响换流器特性，因此在关断过程中仍然可以视为理想的。
This paper concentrates on the development of 10-35kv adaptive current protection set WXB-32B. 本论文全面介绍了10-35kv馈线自适应保护装置WXB-32B的研制成果。
Results of study showed that effect of electropolishing by periodic reverse current wa s better than that by traditional method and direct current-constant voltage. 经研究表明,其抛光效果优于采用传统方法和直流恒压法进行电解抛光的抛光效果,而且其工艺具有操作温度低、溶液使用寿命长及铝材溶解损耗少等优点。
Internal circuit protection includes short-to-ground, shorted load, thermal shutdown with hysteresis, and crossover current protection. 内部电流保护包括接地短路、短路负载、因滞后而引起的过热关机与交叉电流保护。
Internal circuit protection includes thermal shut down with hysteresis, transient-suppression diodes and crossover current protection. 内部电路保护包括因滞后引起的过热关机、瞬态抑制二极管及交叉电流保护。
Over current protection circuit design helps to control short circuit in loading and over current promptly to avoid further damage. 过流式保护电路设计,能及时控制负载的短路及过流情况,免除进一步损坏。
Key words: comparators; adjustable threshold voltage; synchronous rectification; reverse currents. 关键词：比较器;阈值可变;同步整流器;输出反向电流
Over current protection in circuit design avoids further damage because of prompt control of short circuit and over current in loading. 过流式保护电路设计,能及时控制负载的短路及过流情况,免除进一步损坏。