操作过电压
- 网络switching overvoltage;switching surge;VFTO
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以实测结果为参考,基于电磁暂态分析理论并通过数字仿真分析验证了合750kV空载变压器过程中产生持续时间短、振荡频率和幅值很高操作过电压的机理。
Refering to measured results , on the basis of electromagnetic transient analysis theory and by means of digital simulation the mechanism of the switching surge with short duration , high frequency and high amplitude during no-load switching of 750 kV transformer is verified .
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变压器操作波试验电力系统统计操作过电压计算方法及应用
Switching Surge Tests on Power Transformers The Calculation of Statistical Switching Surge and It 's Application
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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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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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配网中MOA承受操作过电压的分析
The Analysis of Overvoltage on MOV
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EMTP在计算开关操作过电压的应用
Application of EMTP in Calculating Overvoltage of Switching Operation
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基于EMTP的电弧炉系统操作过电压的仿真计算模型的研究
Research on Switching Overvoltage of Arc Furnace Electric Power System Based on EMTP
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500kV断路器投切空载线路操作过电压的数据分析
Analysis of overvoltage data of circuit breakers in 500 kV line commissioning
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选用四星型MOA作为限制真空断路器操作过电压的主保护器,效果十分明显。
The effect was obvious to select four-star connection MOA was a main protector to limit overvoltage in operation of a vacuum disconnector .
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6kV厂用电系统操作过电压的危害及其抑制对策
Impact of switching over voltage of 6 kV auxiliary power system and countermeasures
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本文简要说明断路器取消合闸电阻的可行性,MOA保护能力及保护方式,MOA在操作过电压下吸收能量及操作过电压研究计算条件等;
This paper describes the Possibility of removing closing-resistor in EHV circuit breaker , the protective performance of MOA , the enegy dissipated by MOA during switching and overvoltage calculation .
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750kV交流输电线路的工频及操作过电压
Power Frequency and Switching Overvoltages of 750 kV AC Transmission Line
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750kV输电系统操作过电压的统计计算
Statistical Calculation of Switching Overvoltage in 750 kV Power Transmission Systems
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多级合闸电阻限制1000kV输电线路操作过电压的研究
Research on Limiting Switching Overvoltage by Multistage Closing Resistors in 1000 kV Transmission Lines
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该手册涉及6~1150kV电网雷电过电压和操作过电压机理,对各种过电压保护提出建议,如考虑因素、计算方法、应用举例和参考资料等。
This overvoltage protection handbook involves the mechanism of lightning and switching surges on 6-1 150 kV networks . It makes some suggestions on a variety of overvoltage protections , such as factors considered , calculation methodologies , examples and references .
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真空断路器操作过电压保护装置的分析
Analysis of the Protective Installation of Vacuum Circuit Breaker Switching Over-voltage
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真空断路器操作过电压理论分析和仿真研究
Analysis of Vacuum Circuit-Breaker Switching Overvoltage and Research on Its Simulation
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直流稳压电源的操作过电压及其防护
The Operational Overvoltage and the Prevention of DC Constant Voltage Power
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真空开关操作过电压吸收装置的研究
The Research of absorbing Devices of Operation Over-voltage of Vacuum Switch
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串联谐振式限流器对操作过电压的影响及分析
Influence of Series Resonance Type Fault Current Limiter on Operating Over-voltage
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氧化锌避雷器限制操作过电压的研究
Study of Application of ZnO Surge Arrester in Suppressing Switching Overvoltage
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真空开关开断单相感性小电流的操作过电压
The Switching Overvoltages of Interrupting Single-phase Small Inductive Current by Vacuum Switches
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线路电抗器几乎总是可降低线路操作过电压值。
Line reactors almost always can reduce line-switching surge magnitudes .
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特征差分法及其在合闸操作过电压计算中的应用
Characteristic difference method and its application in the calculation of energization overvoltage
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煤矿井下供电系统的操作过电压
Operated Overvoltage Of Power Supply System In Underground Coal Mine
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如何有效抑制真空断路器的操作过电压
How to Restrain Effectively Operating Excessive Voltage of Vacuum Switch
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厂站操作过电压的场路综合分析
Field - circuit Analysis of Switching Over - voltage for Power Stations
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操作过电压作用下的输电线绝缘闪络概率的计算
Calculation for The Insulation Flashover Probability of Transmission Line under Switching Surge
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快速响应磁控电抗器抑制特高压操作过电压研究
UHV switching overvoltage suppression by quick response magnetically controlled reactor
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不同额定电压等级避雷器对操作过电压的影响
Influence of different rated voltage moas on switching surges