过电压
- 网络Overvoltage;over voltage;OVP;Vpk
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充电时,蓄电池的反电压或过电压太高,以致限制了低温充电性能。
On charge , the counter-voltage or overvoltage of the battery could be so high as to restrict the charging characteristics at low temperatures .
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PWM逆变器供电异步电机端部过电压的分析和仿真
Analysis and Simulation of Terminal Overvoltage for PWM Inverter Fed Asynchronous Machine
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GIS投切主变陡波前过电压的研究
All Changed Study on Very Fast Front Overvoltage Generated in GIS
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GIS中快速暂态过电压的实验室模拟
Laboratory Simulation of Very Fast Transient Overvoltage in GIS
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基于FEM的大型发电机快速暂态过电压分析
Analysis of Large Generators under Fast Transient Overvoltage based on Finite Element Method
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调速系统PWM脉冲对电机端过电压影响的研究
Effects of PWM pulses on over-voltage at motor terminals in ASD systems
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SiC与高能型ZnO非线性电阻在灭磁与过电压保护方面的应用
The Application of SiC and High Energy ZnO Non-linear Resistor to De-excitation and Over-voltage Protection
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HVDC联网输电系统的全电压启动过电压的计算
Studies on overvoltage during full-voltage starting in HVDC Transmission system
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500KVGIS隔离闸刀操作暂态过电压的研究
Research on transient over-voltage during operation of 500 kV GIS disconnecting switch
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SVC对限制超高压输电系统工频过电压的影响
Effect of SVC on restricting the temporary overvoltage of EHV transmission system
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本文讨论氧化锌避雷器在基波PT铁磁谐振过电压下的工作状况。
The working circumstances of metal - oxide arresters under fundamental frequency PT ferroresonance are discussed in this paper .
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500KVGIS快速暂态过电压防护措施的选择
Selection of Protection Measure for Very Fast Transient Overvoltage of 500 kV GIS
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110KVGIS变电所进线电缆末端雷电过电压研究
Lightning over-voltage at ends of inlet cable in 110 kV GIS substation
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10kV电网TV铁磁谐振过电压数字仿真及研究
The Digital Simulation and Study of TV Ferroresonance Over Voltage in 10 kV Power Network
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在中性点不接地电网中,由于电磁式电压互感器(以下简称PT)饱和而引起的铁磁谐振是出现最频繁、造成事故最多的一种内过电压。
In ungrounded systems , PT saturation result in ferroresonance is a appear frequently and work accident sort of inner overvoltage .
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本文结合河北省自然科学基金项目特快速瞬态过电压对变压器的影响(项目编号503624),重点研究了GIS中变压器绕组高频电路模型的建立方法。
Supported by Hebei Natural Science Foundation under grant No. 503624 , The high frequency circuit model of the transformer windings in GIS is researched in this paper .
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仿真中运用带合闸电阻的开关、RC阻容装置及其氧化锌避雷器来限制操作过电压,并取得了一定的成效。
The switch with closing resistor , RC equipment and MOA are used to limit switching overvoltages . Certain effect is obtained .
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HEMP在架空线上感应的过电压
The Voltage Surge Induced by HEMP on Overhead Power Lines
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10kV20MVA并联电抗器过电压保护MOA选择计算
Calculation for Selection of 10 kV 20 MVA Parallel Reactor Overvoltage Protection MOA
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在中性点非直接接地电网中,单相接地及由电压互感器(PT)引起的谐振过电压均是多发性的事故。
In ungrounded distribution system the single-phase-grounding and the ferro-resonance caused by the PT ( Potential Transformer ) are of the frequent accidents .
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SPD暂态过电压测试系统设计
Design of temporary over-voltage testing systems for SPD
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TCSC过电压保护方式研究
Research on over-voltage protection mode of TCSC
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TBP在抑制中压电动机操作过电压中的应用
Application of TBP to the suppression of switching overvoltage in medium voltage motor
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330KVGIS中投切电抗器的过电压研究
Investigation of Transient Overvoltage Caused by Circuit Breaker Switching Shunt Reactors in 330 kV GIS
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配网中MOA承受操作过电压的分析
The Analysis of Overvoltage on MOV
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在PWM逆变器-交流电机系统中接入滤波器是减小电机过电压的有效方法。
In the AC electrical machine system fed by PWM inverter , an effective method to restrain the over voltage is to connect the filter to the system .
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并对计算机网络防雷中网络接地、网络布线及过电压保护设计进行了初探,认为室内计算机与通讯设备的位置与建筑物外墙应保持1.5m的距离。
The computer grid grounding , wiring and over-voltage protection facilities were approached .
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确定了过压保护的重要元件MOV的过电压保护水平和最大允许能耗。
Overvoltage protection level and maximum allowable energy dissipation of MOV are ascertained .
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开发了分别基于傅立叶变换和递归卷积两种数学方法的PT一次侧过电压的反演计算方法,并用实测数据进行了验证,结果表明计算方法正确有效。
Developed two numerical inversion calculation methods of primary system of PT based on Fourier transform and recursive convolution seperately and verified the correctness by the measured data .
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城市10kV配电所真空断路器的过电压保护问题
Over-voltage Protection of Vacuum Circuit-breaker in Urban 10 kV Distribution Station