合闸操作有合闸电铁及手动按钮操作两种。
Close-brake have two kinds of close brake electromagnet and manual button.
有时合闸操作完成后合闸接触器仍不能返回。
After the closing operation the closing contactor sometimes cannot recover.
手车只有在实验位置接地开关才能进行合闸操作，防止带电合隔离开关。
The switching-on operation of grounding switch can be done only when the trolley is located at the testing position to prevent switching on the grounding switch with charge.
操作箱的作用是用来完成保护、断控单元、测控单元、断路器辅助装置对断路器跳合闸操作的装置。
Relay box is an operational device to tripping and closing of breaker instructed by protection, breaker controlling unit, monitor unit, and auxiliary device of breaker.
目前随着更高工作电压的使用，由于断路器分闸、合闸操作所引起的电压暂态过程或过电压．已成为主要考虑的方面。
With the much higher operating voltages now in use the projected voltage transients or surges due to switching i. e. the opening and closing of circuit breakers, have become the major consideration.
同步关合是指断路器动、静触头在系统电压波形的指定相角处关合，以减小合闸操作的过电流和过电压的一种智能操作技术。
Synchronous closing is an intelligent control technique. It can make the moving and stationery contact-header of circuit breaker to close on the specified phase angle of the power system voltage wave.
对部分LW14,LW15型SF 6断路器分闸操作后重合闸闭锁的原因进行了分析，提出了改造方案，并在实践中取得了良好效果。
For LW14 and LW15 SF6 circuit breaker, the reason of reclosing block after opening operation has been analyzed in the paper.
如果接地开关处于合闸状态，手车向工作位置的操作必须被机械联锁锁定。
With the earthing switch closed, insertion of the withdrawable part towards the service position must be blocked after only two clockwise turns of the crank.
通过改变线圈电阻和匝数两个参数，分别仿真分析了线圈电阻和匝数的改变对于操作机构合闸时间及动铁芯运动速度的影响。
The effects of coil resistance and the number of turns to operating mechanism closing time and moving velocity of the iron core are simulated and analyzed.
对于旧站改造的“四遥”变电站，由于设备的限制，同期合闸无法实现遥控操作。
For the retrofitting substations, the remote switch on operation with synchronism check can not be carried out because of the equipment limitation.
因此有必要对电缆残余电荷对系统操作过电压的影响进行分析，分析影响重合闸过电压的因素，论证采用重合闸的可行性。
So it's necessary to analyze the relationship between residual and the over-voltage, studying the feasibility of reclosing operation and the factors of affecting over-voltage of reclosing operation.
空载合闸作为变压器最常见的操作之一，随着操作次数的增多，其暂态过程也将给电力系统带来越来越严重的影响。
The no-load closing as one of the most common operations to transformer, its transient processes will bring more and more serious influences to power system with the number of operations increases.
同时还可以模拟保护对线路的跳闸、重合闸等操作。
And also, trip and auto close operation of relay can be simulated.
在断路器的合闸位置，分闸弹簧和合闸弹簧处于储能状态，此时开关可执行分-合-分操作。
In the closed position of the circuit-breaker, the opening and closing spring are in charged state. This means the circuit-breaker is in a position to perform O-C-O switching sequences.
在断路器的合闸位置，分闸弹簧和合闸弹簧处于储能状态，此时开关可执行分-合-分操作。
In the closed position of the circuit-breaker, the opening and closing spring are in charged state. This means the circuit-breaker is in a position to perform O-C-O switching sequences.
应用推荐