This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
Results show that CCC is stronger than conventional converter during symmetry faults,DC transmission line faults and valve short circuit faults.
通过比较发现,在三相交流故障,直流线路故障和阀短路故障中,CCC的故障恢复特性都比普通换流器好,CCC提高了抵抗换相失败的能力,降低了甩负荷过电压,CCC在整流装置中的阀短路过电流比普通换流器的小。
Short-circuit Protection Circuit for Magnet Valve Based on Philips LPC935 Singlechip
基于Philips LPC935单片机的电磁阀短路保护电路设计
Study on the Operational Equation for Valve Short Circuit Protections in HVDC Projects
高压直流输电中阀短路保护的动作方程研究
Load open/short circuit auto-protect, protect then self-replacement.
负载开/短路自动保护，保护自复位。
Short-circuit proof, can only be connected the correct way.
有短路保护，只能连接到正确的线路上。
Driving Circuit Design for IGBT Short Circuit Protection
IGBT短路保护的驱动电路的设计
Intermittent open or shorted valve solenoid
阀电磁间歇断开或短路
A New Type of Electric Drill Comprehensive Protection Device Based on the Current Changing Rate to Test Short Circuit Protection;
一种检测短路保护的新型煤电钻综合保护装置
Study on Carrier Frequency Short Circuit Protection of Integrated Protector for Coal Electric Drills
煤电钻综合保护装置中载频短路保护技术研究
Positive shutoff with visual or remote proof of seat tightness.
通过阀座气密性的短程或远程保护提供完全关闭。
Design and research of an anti-short-circuit protection in ECM
电解加工短路保护系统的设计与研制
A New Approach to Fault between Different Phases in Traction Distribution Networks;
牵引供电系统异相短路保护的新方案
Simulation and Protection of Internal Short Circuit Faults for Powerformer;
能量变换器内部短路故障仿真与保护
Application and Analysis on Short-Circuit Ratings of Over-Current Protection Devices
过电流保护电器的短路定额应用分析
Control and process of high speed short circuit arc welding
高速短路过渡气体保护焊控制及工艺
A Short-circuit Protection Method based on Detection of Power MOSFET Turn-on Voltage Drop
基于功率MOSFET导通压降的短路保护方法
When the arc short circuit happens, this way can also give fast protection.
在线路发生弧光短路时,也能快速实现保护。
With short circuit, overload,charging protection,prevention of feedback on the all-protection measures.
具有短路、过载、充电保护、防反接等全功能保护措施。
The valve will shut off automatically for safety if any abnormal pressure-reverse happens.
如若阀压管路内介质出现异常反压现象时，本阀将自动关闭，保护管网系统安全。
