这种电荷转移是由于触点的机械释放或闭合、“触点-线圈”电容以及信号和继电器驱动线路之间的寄生电容引起的。
This charge transfer is due to the mechanical release or closure of the contacts, the contact-to-coil capacitance, and the stray capacitance between signal and relay drive lines.
电动机过载保护通常采用继电器,而配电线路过载保护多采用断路器的长延时过电流脱扣器来完成。
Protection against motor over - load usually adopt thermal relay, but protection against line over - load usually adopt long delay over- current release of circuit- breaker.
介绍了风机、水泵类负载起动时间大于15秒以上时,采用热继电器保护的方法,及控制线路在风机上应用的效果。
The article introduces detailedly the methods which are used to protect the hot relays when the fans and pumps loaded starting time is over 15 seconds.
老式龙门刨床的电控部份采用继电器逻辑控制,线路复杂,故障率高,查找故障困难。
Relay logic control is used in old planer, and its circuitry is complicated, so the malfunction rate is high, and it is difficult to find the malfunction out.
介绍Z8640双工位四开模热芯盒射芯机常规继电器线路控制系统整改为可编程序控制器(PLC)控制系统的目的、应用和技巧。
Purpose, application and skill in control system transformed from conventional banked relay to PLC control system on Model Z8640 hot box core shooter have been introduced.
本继电器可以作为超高压输电线路重合闸装置的选相元件。
This relay can be used as a new protection component to detect faulty phase for ultra-high voltage transmission lines.
电气线路中多采用带铁芯的电感线圈如变压器、继电器等。
Most of iron-core inductance coils are used in electrical circuit, such as transformer, relay, etc.
这些功能都是一般继电器控制线路难以达到的。
These functions and advantages are hardly implemented by common relay circuit.
提出了适用于平行双回线路的零序距离继电器新判据。
A double lines distance relay based on the zero sequence components is presented.
该继电器具有保护弧光电阻及适用于带串联补偿电容线路的正、反向动态特性曲线。
The dynamic characteristic of the relay increases its tolerance to fault arcing resistance and it can be used on transmission lines with capacitance compensation.
该继电器采用集成电路构成,集线路的速断保护、过电流保护及三相一次重合闸于一体。
The relay is made up of integrated circuits. The line instantaneous overcurrent protection and overcurrent protection are combined with the once 3-phase reclosure application to form a whole body.
偏移特性阻抗继电器常用于小电流或大电流接地系统中作为输电线路距离保护的测量元件。
LZ-22 partial impedance relay usually used as measuring element on distance protection of the line at small or big current power system.
本文以常见的继电器顺序控制电路为例,重点分析了在设计有触点的电器控制线路及实际应用中,常常忽视的临界竞争问题。
Based on usual circuit, this paper analyzed the critical competition in the design of electric appliance control of circuit with contact.
本文就综合继电器DSZ2在线路保护的应用实例作较详尽的阐述,并提出有关其辅助保护功能开发的建议。
This article represented in detail the application of DSZ2 to line protection through some application examples and proposed the suggestion on the development of its auxiliary protection functions.
零序功率方向继电器是线路保护中的一个重要元件。
The zero sequence directional relay is an important relay component for transmission line.
提出了采用测量线路零序导纳进行接地保护的新原理,讨论了直线式导纳继电器的接地保护判据。
New principle for feeder grounding fault protection based on zero sequence admittance is presented in this paper. Criterions for the line ground relay with zero sequence admittance are also discussed.
元件上的继电器的线路没有电力。
对四边形和方向圆特性阻抗继电器躲线路最大潮流的能力进行了详细分析,提出了距离保护负荷限制电阻的整定原则和整定方法,并给出了整定建议值。
It puts forward the setting principle and method of load limiting resistor of backup distance protection and gives the propositional setting value of load limiting resistor.
一旦线路断开,扩大器探测到线路上的压强变化,就会停止电磁离合继电器运行,关闭压缩机。
Once the circuit is broken the amplifier detects the voltage change in this circuit and de-energises the magnetic clutch relay, turning the compressor off.
该继电器具有保护弧光电阻及适用于带串联补偿电容线路的正、反向动态特性曲线。
The dynamic characteristic of the relay increases its tolerance to fault arcing resistance and it can be used on tra…
该继电器具有保护弧光电阻及适用于带串联补偿电容线路的正、反向动态特性曲线。
The dynamic characteristic of the relay increases its tolerance to fault arcing resistance and it can be used on tra…
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