The behavior principle of DDL protection for DC feeder in DC traction current supply system and the setting principle of protection parameters are introduced and illustrative examples are given.
介绍直流牵引供电系统中直流馈线ddl保护的动作原理，以及保护参数的设定原则，并举例说。
The principle of the relay protection of multi-car's DC traction supply system and the several DC feeder protection methods were presented.
介绍了地铁直流牵引供电系统保护的原理，和所采用的几种直流馈线保护方法。
FTU, as an important component of feeder automation for improving reliability of electricity supply is essential to improve the quality of power supply.
FTU作为馈线自动化的重要组成部分对于提高供电的可靠性改善供电质量来说至关重要。
The present article introduces you an automatic bee feeder, small in volume, convenient in use and automatic in controlling and adjusting quantity of the feed supply.
本文介绍了我们研制的一种体积小、使用方便、能够自动控制和调节饲料供给的蜜蜂饲喂器。
The protection of feeder line in DC traction supply system is based on microcomputer, which is used to control and protect the high-speed circuit breakers.
直流牵引供电系统的馈线保护以微处理器为基础，用来完成对直流快速断路器的控制和保护。
The paper discussed the DC traction power supply system's feeder protection configuration in the end, and detailed analysis the principle of protection based on the current amount.
探讨了直流牵引供电系统馈线保护配置，详细分析了基于电流变化特征量保护的原理。
Furthermore, the energy supply system for distribution feeder protection is designed and solar-powered model is proposed.
并对配网保护系统的供能系统进行了设计，提出了太阳能电池板供电的模式。
Furthermore, the energy supply system for distribution feeder protection is designed and solar-powered model is proposed.
并对配网保护系统的供能系统进行了设计，提出了太阳能电池板供电的模式。
应用推荐