Aiming at low reliability in short-time energy analysis method for on-line monitoring of circuit breaker mechanical state, the paper studies the method to eliminate interference noise by using trip coil current signal to improve the reliability of short-time energy analysis method.
针对单独利用短时能量分析法在线监测断路器机械状态时可靠性较低的缺点，该文研究了利用脱扣线圈电流包含的信息来排除机械干扰信号带来的影响，从而提高断路器三相同期性在线监测的可靠性。
The breaker has a dc coil for closing and tripping.
跳开关有一个打开/闭合用的直流线圈。
When the breaker closes, the coil deenergizes through the auxiliary contact and the breaker is held closed by the permanent magnet. Application of 28 volt dc to trip. Reverses the polarity of the coil and the contactor opens assisted by the spring.
当跳开关闭合时，线圈通过辅助触点断电，跳开关通过永久磁铁被保持在闭合位。28伏直流电松开的应用，将线圈极性反向，触点在弹簧的帮助下打开。
In order to improve the reliability of electric power system with testing the condition parameters of circuit breaker, the wavelet transform method of coil current was proposed. This tester used the Hall current sensor which was respond to the instantaneous signal sensitivety to test the closing and trip coil current signal, and used the high-precision photoelectric encoder and complex programmable logic device to measure the signal for moving contact accurately.
为了准确测试断路器状态参数以提高电力系统的可靠性，提出了线圈电流信号的小波变换处理方法，利用对瞬时信号反应灵敏的霍尔电流传感器进行断路器合、分闸线圈电流信号的测试，使用高精度光电编码器及复杂可编程逻辑器件实现动触头行程信号的精确测量。
Circuit breaker tripping coil burning is a relatively frequent accident for the operation of substation comprehensive automation system.
断路器跳合闸线圈烧毁事故是变电站综合自动化系统在运行中较普遍的现象。
Molded Case Circuit Breaker Shunt Trip coil and often took part in undervoltage trip coil, Shunt trip coil is the voltage at 70%~ 110% off...70%~ 110% reliable means of shunt voltage range of movement, 70% minimum, and more than 110% of the shunt itself may be burned...
塑壳断路器往往有分励脱扣线圈和欠压脱扣线圈，分励脱扣线圈是电压在70%~110%时脱。。。70%~110%指的分励可靠动作的电压范围，70%为最小值，而超过110%分励本身可能会烧坏。。。。
If a fault occurs, the fuse ruptures diverting all the fault current through the trip coil, tripping the breaker.
如有故障发生，熔断器会断开，使所有故障电流流经跳闸线圈，将断路器断开。
Tatsu three major producers: Rich controllers, temperature and humidity controller, temperature and humidity controller Smart Gel, switching status indication device, intelligent operation of switchgear devices, current transformer over-voltage protection, and circuit breaker reclosing protection device coil, transmitter power, digital display electric measurement meters, current transducer, voltage transducer, power transmitter, electric degrees transmitter, frequency transducer, power factor transducer, isolated terminals, the temperature change delivery device, DJR alloy heaters, cabinet air conditioner, high pressure charged display, dry-type temperature control instrument transformers, WDB motor protectors, and power High-voltage Switch Cabinet sets dedicated instrumentation.
三达主要生产：凝露控制器、温湿度控制器、智能凝露温湿度控制器、开关状态指示仪、开关柜智能操作装置、电流互感器过电压保护器、断路器分合闸线圈保护装置、电量变送器、数显电测仪表、电流变送器、电压变送器、功率变送器、电度变送器、频率变送器、功率因数变送器、隔离端子、温度变送器、DJR铝合金加热器、柜内空气调节器、高压带电显示器、干式变压器温度控制仪、WDB电动机保护器、及电力高压开关柜成套专用仪器仪表。
The high-power system including main circuit, the charging and discharging circuit of synthetic circuit test system, and the principle of charging and discharging for current supply using electrolytic capacitor is presented. At the aspect of circuit breaker control, the advanced permanent magnetic actuator is used and analyzed in this paper, including the precision computation and using in synthetic circuit. The trigger circuit of voltage supply is designed, and the intelligent control is used to trigger the igniting gap. And the integraph based Rogowski coil is designed and employed the intelligent detection of breaking current.
强电系统介绍了合成回路试验系统的主电路及其充放电电路，讲述了电流源采用电解电容器的充放电原理；断路器控制方面，采用当前比较先进的永磁操动机构，并对永磁机构的原理、精度计算和在合成回路中的应用做了详细地分析；设计并制作了电压源点火回路，对球隙点火进行智能控制；在智能检测开断电流方面，设计并制作了与Rogowski线圈相配合的积分器。
For settling the excessively lowness of low action voltage in LW6110 circuit breaker opening coil, the article proposes three kinds of improvements, especially analyzes the project of changing the electromagn structure at the overhaul site.
LW6-110型断路器分闸线圈上的最低动作电压过低将对电网造成恶劣影响，为了解决这一问题，提出3种改善方案，重点分析了实际检修现场条件下改变电磁铁阀结构的方案，经试验证明该方案实用可行。
Based of main frequency arc extinguishing theory, the intermittently arc grounded sequence are simulated only with a module named breaker the first time and the restrain effect of arc extinguishing coil to intermittently arc grounded over voltage are also analyzed.
本文根据工频熄弧理论，首次仅利用breaker模块模拟了电弧间歇接地过程，并分析了消弧线圈对电弧间歇接地过电压的抑制作用。
The tripping and closing coil of circuit breaker frequently burns out in the process of power system operation.
在电力系统运行中，断路器分、合闸线圈烧毁的事故时有发生。
Application of wavelet analysis theory and various signal processing methods, YunCheng Power Supply Bureau of the circuit breaker online monitoring data collected, focusing on analysis of vibration signals with the coil current waveform, and thus get a state of dynamic characteristics of online circuit breaker.
利用从运城供电局采集的断路器在线监测数据，应用小波分析理论和各种信号处理方法，重点分析振动信号与线圈电流波形，从而可以在断路器在线状态下得到其动特性结果。
When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip (open) the Circuit Breaker.
当继电器动作时，一个或多个接触器动作且给断路器的脱扣线圈通电，从而将断路器断开。
With short working hours and high action speed, the activity of dynamic iron core and the instantaneous swicth of coil current would generate eddy current in the dynamic and static iron core when the permanent magnetic actuator of vacuum circuit breaker was working.
真空断路器永磁机构工作时间短、动作速度快，动铁芯的运动和线圈电流的瞬时通断会在动静铁芯中产生涡流。
This paper presents some detective techniques without disassembly for SF6 circuit breaker, namely, dynamic circuit resistance detection, mechanic vibration detection, opening and closing speed-time characteristic measurement, and current waveform of magnet coil detection.
介绍了SF6断路器不拆卸检测技术中的动态电阻，机械振动，合分电磁铁线圈电流及合分速度曲线等四种检测方法。
The electromagnetic induction coil may be used for signal detecting of high capacity current test circuit and circuit breaker.
电磁感应线圈（茹可夫线圈）可用于大电流试验回路和断路器的信号检测。
Here's a dependable piece of equipment that's built with high insulation between sections of the secondary coil and a reliable circuit breaker.
这是一个很好的实验装置，在仪器的各部分有很好的绝缘装置及有效的断电装置。
Cause Analysis and Countermeasures to Burnout of Tripping and Closing Coil of Circuit Breaker
断路器分、合闸线圈烧毁原因分析及对策
This paper analyses the hazard and the reason of the burnt down of the closing coil and contactor in the circuit breaker control loop.
通过对断路器合闸线圈、合闸接触器线圈烧毁现象的危害和原因进行分析讨论，从运行维护、设备检修等方面入手制定相应的防范和整改、技改措施，保证断路器操作的顺利进行。