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arc-eliminating
相关语句
  消弧
     Finally, during the technology renovation, making use of the equipment to prevent from arc-eliminating voltage and to choose the line, as for the neutral point grounding system, we altered the former one which was grounded by arc eliminating coil to indirect grounding way in our factory.
     最后依托厂技术改造项目,利用消弧过电压保护及选线装置将原来110KV变电站6KV系统的中性点经消弧线圈接地系统改造为中性点不直接接地系统。
短句来源
     In the Iight of arc-grounding overvoltage arising in 35kV system aand the main defects of old -style arc-eliminating coil,this paper raises a method that using auto-tracing compensation arc-eliminating equipment in the neutral.
     本文就35kV不接地系统易出现的弧光接地过电压以及老式消弧线圈的主要缺点,提出在中性点采用自动跟踪补偿消弧装置。
短句来源
     A PLC-Based equipment of arc-eliminating and overvoltage-protecting is introduced the SIEMENS S7-200 series PLC is used to identity automatically the malfunctions of arc-grounding,metal-grounding,FT phase-breaking and send out the warning signals multiple intellectual technologies are applied in hardware and software,and the system's performance is enhanced greatly.
     介绍了一种线路消弧及过电压保护装置。 它采用西门子S7-200系列PIC对系统的弧光接地、金属接地、PT断相等故障进行自动判断,发出报警信号,在硬、软件设计方面应用了多种智能化技术措施,大大提高了保护性能。
短句来源
     In order to eliminate the harmfulness of capacitance current to the power supply system when there is the single-phase grounding in the electric cable line in the port power supply system, a direct current magnetic-biasing type of automatic tracing compensation arc-eliminating gear is adopted for compensating.
     为消除港口供电系统中电缆线路发生单相接地后电容电流对系统的危害 ,采用“直流偏磁式自动跟踪补偿消弧装置”进行补偿。
短句来源
  相似匹配句对
     Study on Eliminating Method of DC Switch Arc
     直流开关电弧消除的方法
短句来源
     Eliminating Method of Magnetic Blow for Welding Arc
     克服和消除磁偏吹对焊接电弧影响的方法
短句来源
     The Analysis of Intelligent Eliminating-arc Loop Working Situation
     某智能消弧线圈运行情况分析
短句来源
     C arc furnace.
     二是研制了三相交流电弧炉的仿真试验系统。
短句来源
     Arc Fitting
     圆弧拟合
短句来源
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The paper expounds the counter measure taking against single phase earthed current since the expansion of high tension electric network in mines. The writer suggests to take scattered compensation by connecting an arc eliminating coil into the secondary of the earthed transformer in lieu of centralized compensation in 6kV network which appears to be defective,to use zero sequence active current selective leakage protection, so zero sequence PT is not necessary.

作者论述了矿井高压电网扩大后,对单相接地电流增大所采取的对策。针对6kV电网集中补偿方式的缺点,建议采用从接地变压器二次侧接入消弧线圈的分散性补偿方式,并采用零序有功电流选择性漏电保护,不需零序电压互感器。

The ore seam of Jiunü Phosphorous Mine, located In the moutainous areas of west Hubei, has a dip angle of 7°—10° and a thickness of about 2 meters. The room-pillar method is used for mining. Rock pressure activity appears evidently due to goaves remained. To avaid large scale ground movement, the roof is caved by blasting. AE technique in common with othor measure are used to monitor this process. As a results, goaves arc eliminated and roof fall controlled. And corresponding prediction is made suceesfully,...

The ore seam of Jiunü Phosphorous Mine, located In the moutainous areas of west Hubei, has a dip angle of 7°—10° and a thickness of about 2 meters. The room-pillar method is used for mining. Rock pressure activity appears evidently due to goaves remained. To avaid large scale ground movement, the roof is caved by blasting. AE technique in common with othor measure are used to monitor this process. As a results, goaves arc eliminated and roof fall controlled. And corresponding prediction is made suceesfully, there fore safety can be ensurcd and apparant social and aconomical profit are gained.

鄂西九女磷矿的矿层位于高山之下,倾角7°—10°,厚2 m左右,采用房柱法开采。由于大面积空场的存在,地压活动明显。为了防止大规模地压活动,采用爆破崩顶,声发射技术及其它手段监测崩顶过程。结果,成功地消除了空场,控制了冒落范围,并作出了预报,保证了采矿的安全,取得了明显的社会、经济效益。

In view of the steady-state errors of LOEC and considering the power system operation condition.we develop the power system linear extended state equations in applying integral control to generator terminal voltage deviation.on this basis the integral linear optimal excitation control(ILOEC)is obtained.The results of computer simulation show that the ILOEC has the same ability as LOEC in enhancing power system stability and improving power system dynamic quality. meanwhile by using ILOEC the generator voltage...

In view of the steady-state errors of LOEC and considering the power system operation condition.we develop the power system linear extended state equations in applying integral control to generator terminal voltage deviation.on this basis the integral linear optimal excitation control(ILOEC)is obtained.The results of computer simulation show that the ILOEC has the same ability as LOEC in enhancing power system stability and improving power system dynamic quality. meanwhile by using ILOEC the generator voltage steady-state errors arc eliminated and the control precision is increased.

为了消除LOEC存在稳态误差的现象,从电力系统的运行实际出发,推导了对发电机机端电压偏移量施加积分控制时系统的线性化增广状态方程式,并在此基础上推导了积分型线性最优励磁控制规律(ILOEC)。仿真结果表明:在提高系统稳定极限和改善系统动态特性方面,ILOEC与LOEC具有相同的能力。同时ILOEC能消除发电机机端电压的稳态误差,提高了控制精度,改善了系统运行水平。

 
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