提出一种单相自适应重合闸的新方案。
A new scheme used in single-phase adaptive reclosure is proposed.
自适应重合闸可显著提高供电可靠性。
Adaptive reclose can remarkably enhance power system reliability.
断路器合闸电阻有时价格昂贵且不可靠。
Circuit breaker closing resistors sometimes are expensive and unreliable.
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.
一般情况下，线路故障跳闸后重合闸越快，效果越好。
Under normal circumstances, line fault reclosing after tripping sooner, the better.
压下限位开关，切断电路停车，再合闸时，吊钩只能下降。
Pressure limit switch circuit is cut off, stop, and then closing, the hook can only decrease.
设备自动保证过电流零点合闸，自动预置试验电压，试验效果好。
The equipment ensures automatic closing at current zero, preset test voltage automatically and the effect is fine.
目前广泛采用的选相分合闸机构，大多由电子线路实现上述功能。
Now these functions are realized by electronic circuit and got used widely in phase selection devices.
自行设计的控制电路解决了单线圈永磁机构的分、合闸拉制问题。
Self-developing control circuit solve open and close control questions in permanent magnetic actuator with one coil.
本文利用数字计算机研究了超高压电力系统的空载长线合闸过电压。
This paper studies closing overvoltage on unloaded line in EHV power system by means of digital computer.
在额定控制电源电压低于35%时，欠电压脱扣器应防止断路器合闸。
At rated control supply voltage less than 35% under-voltage should prevent breaker from closing.
在额定控制电源电压低于35%时，欠电压脱扣器应防止断路器合闸。
In case of the operation voltage less than 35% of the rated voltage, the under-voltage should prevent the breaker from closing.
接地开关处于合闸状态，手车不能推到工作位置，防止带接地开关合闸。
When the grounding switch is located at the switching-on state, the trolley cannot be entered into the working position to prevent switching on the grounding switch.
装置的相关硬件和软件设计保证了合闸瞬间的相位差小于允许合闸相角差。
The design of the hardware and software ensures the breaker closing at the just moment of zero- differential phase.
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.
电网中运行的线路保护装置的重合闸误动作，将会引起人身以及电网事故。
The incorrect reclose of line protective devices in electric power system will result in personal injuries and system accidents.
这就要求并列合闸时断路器两侧电压的幅值差、频率差和相角差都足够小。
This means the difference of magnitude, frequency and phase of the voltages between the two sides of breaker must be small enough.
分析了断路器绝缘特性和合闸时间分散性对并联电容器组同步关合的影响；
This paper analyses the influences of the closing time scatter and dielectric characteristic of circuit breaker on synchronous energizing shunt capacitor banks.
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。
Circuit breaker tripping coil burning is a relatively frequent accident for the operation of substation comprehensive automation system.
敬告：欠电压脱扣器必须先通电，断路器才能再扣及合闸。否则将损坏断路器！
Caution: under-voltage release must be electricity, circuit breaker can be closed, otherwise will damage circuit breaker!
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.
针对单相重合闸与三相重合闸时系统振荡的特点，提出了新的距离加速保护方案；
In allusion to the characters of system oscillation during single-phase recloser and three-phase recloser, the author put forward a new distance protection accelerating scheme.
自动重合闸的成功率依线路结构、电压等级、气象条件、主要故障类型等变化而定。
Automatic reclosing the success rate structure on line, voltage levels, weather conditions, fault type, and other major changes may be.
这种要求已促使研制出具有不仅能快速分闸而且也能快速重合闸的断路器操动机构。
This requirement has brought about the development of breaker operating mechanisms that are not only high-speed opening, but are also high-speed reclosing.
其次，基于现阶段国内外对自动重合闸理论的研究，引出“最佳重合时间”的概念。
Then, the conception of the Optimal reclosing Time is introduced base on the researches on the automatic reclosing theory in the world.
介绍了馈线路重合闸方式的改进，将馈线路重合闸的方式由单重方式改为综重方式。
The improvement of reclosing mode for feeder, from single phase reclosing mode to synthesis reclosing mode, was introduced.
介绍了馈线路重合闸方式的改进，将馈线路重合闸的方式由单重方式改为综重方式。
The improvement of reclosing mode for feeder, from single phase reclosing mode to synthesis reclosing node, was introduced.
因此研究特高压输电线路的继电保护新原理及自适应重合闸技术具有重要的现实意义。
Therefore the research on new principle of protection and adaptive auto-reclosing technique for UHV transmission line is of great practical significance.
故障发生后，对于不同的故障性质，线路首端重合闸安装处的电压谐波含量是不同的。
After faults occur, different kinds of faults have different percentages of voltage harmonic signals which can be measured on busbar.
故障发生后，对于不同的故障性质，线路首端重合闸安装处的电压谐波含量是不同的。
After faults occur, different kinds of faults have different percentages of voltage harmonic signals which can be measured on busbar.
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