power capacitor

Supercapacitor is a rapid charge/ discharge energy storage device, which combines the advantages of both rechargeable batteries and traditional capacitor with higher power density and longer service life.

超级电容器是近年来出现的一种能快速充／放电的储能器件，它兼具电容和电池的双重功能，具有高达千瓦数量级的比功率和万次以上的循环寿命。

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Research on Thermal Stability Test of All-film Power Capacitor

全膜电容器热稳定试验研究

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Piezoelectricity crystal is used to detect the acoustic pulse signal caused by partial discharge within power capacitor and after being amplified by high gain, wide bandwidth preamplifier, these signals are sent to main body of instrument through coaxial cable.

该装置采用压电晶体检测电力电容器内局部放电所产生的声脉冲信号，经高增益、宽频带的前置放大器放大后，由高频同轴电缆传送至仪器本体。

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The prototype of 1000 kV CVT made by Xi'an Xidian Electric Power Capacitor Co. had been completed all type tests including anti-seismic test in December 2006, and passed through technical appraisement.

西安西电电力电容器有限责任公司所研制的1000kV CVT样机已于2006年12月完成了所有的型式试验（包括抗震试验），并通过了技术鉴定。

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The article describes the principle and construction of the new power-cell for electric vehicles, such as fuel cell, flywheel cell, super capacity capacitor and nuclear cell, etc.

本文从原理和结构上介绍了应用于电动汽车上的燃料电池、飞轮电池、超大容量电容器和核电池等几种新型动力电池。

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Relationship with Service Life in Practice and Location Condition in Close of Power Capacitor

电力电容器的实际使用寿命与使用条件的关系

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The article discussed thermal aging rule of insulating material of power capacitor and the difference between thermal character and aging.

对电力电容器用绝缘材料的热老化规律，以及它与热性能的区别进行了讨论。

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The DC magnetic biasing may be amplified by the reactive power compensator and causes resonant, which will be a great threat to the safe operation of the electric power capacitor and do harm to the power grid.

直流偏磁谐波在一定条件下会在变压器低压侧无功补偿装置中放大或产生谐振，严重威胁电力电容器的运行安全。

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Application: This machine is designed for winding metallized film cores of AC capacitor or power capacitor.

产品用途: 用于AC电容器或电力电容器卷绕金属化膜芯子.

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A Computer-based Acoustic Emission Detecting Instrument for Partial Discharge within Power Capacitor

电力电容器局部放电微机化声发射检测装置

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Analysis of the Test Condition and Using Problem of Fuse For Single Shunt Power Capacitor Protection

单台并联电容器保护用熔断器试验情况及使用问题的分析

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This soft-switching structure increases a charge-discharge capacitor and two IGBTs between inverter and power, IGBT control the power turn-on and off, causing the capacitor charging and discharging, forming a soft-switching condition.

该拓扑结构是在逆变桥和电源之间增加一个充放电电容和两个IGBT，通过IGBT控制电源通断，使电容充放电，形成软开关的条件。

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The Influence of the Relative Dimension of the Tank of Power Capacitor on its Temperature Rise

电力电容器箱壳的相对尺寸对其温升的影响

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Loss, Tangent of the Loss Angle and Equivalent Circuit of Power Capacitor

电力电容器的损耗、损耗角正切和等值电路

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Distribution transformer adds power factor correction capacitor in the secondary side to collect compensate, so as to advance power factor and augment the load capacity of transformer.

配电变压器二次侧增设移相电容器进行集中补偿，提高了功率因数，增大了变压器的负载能力。

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Relationship with service life in practice and location condition of power capacitor are analyzed, factors influenced service life are found and solving methods are proposed.

对电力电容器的实际使用寿命与使用条件的关系作了分析，找出了影响电容器实际使用寿命的因素，并提出了相应的解决办法。

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Discussion on Reactive Power Automatic Compensation Cabinet Device of Pole-mounted High Voltage Shunt Capacitor

浅谈柱上式高压并联电容器无功自动补偿装置

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The development of potting and dipping wax for power capacitor are described.

介绍了电力电容器用浸渍灌封蜡的研制过程.

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Temperature Differential of Thermal Life Expectancy Decreasing to Half for Power Capacitor The humidity is heavy and the light is less.

电力电容器热寿命减半的温度差棚室内湿度大，光照弱，光照强度减半；

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The decreasing time of free-wheeling current is relative to duty cycle in the exiting FB-ZVZCS-PWM soft-switching inverter arc welding power supply with the block capacitor, and it is hard to achieve zero current switching ( ZCS) for lagging leg with low duty cycle.

现有FB-ZVZCS-PWM软开关弧焊逆变电源采用阻断电容衰减原边环流电流所需的时间与占空比有关，占空比很小（电源输出电压很低）时滞后臂难以实现零电流开关。

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Temperature control of film oil screen zone in power capacitor

电力电容器薄膜屏带油温度控制

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Analyze the structure mode problem of auto low voltage reactive-load compensation equipment, bring out special scheme and basic function of low voltage power capacitor intellection, and at the same time enumerate several auto low voltage reactive-load compensation equipment on intellectual power capacitor.

分析了低压无功自动补偿装置现有结构模式存在的问题，提出了低压电力电容器智能化的具体方案和基本功能，同时列举了几种采用智能式电力电容器的低压无功自动补偿装置的结构。

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The paper introduces normal problems of reactive power compensator cabinet rising in the operations such as phase sequence and polarity problems, current sampling point problems! volume of capacitor problems and other normal problems etc and how to take actions to settle them.

文章介绍了无功功率补偿柜在使用过程中所出现的常见问题，如相序和极性问题、电流信号取样点问题、电容器的容量问题以及其它常见问题后如何采取措施得到解决。

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Application of High Temperature Falling Ball Viscometer Polypropylene Film in the Production of Power Capacitor

高温落球粘度计在电力电容器用聚丙烯薄膜生产中的应用

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Study on VPI Technology of All Film Power Capacitor and Equipment

全膜电力电容器真空压力浸渍工艺及其设备的研究

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Analysis of the Crack Reason of Neutral Point Current Transformer in Complete Power Capacitor Bank

成套电容器组中性点电流互感器开裂原因的分析

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