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- A higher-voltage ,low-switching frequency IGBT inverter and a lower-voltage, high-switching frequency MOSFET inerter are used in the combination to achieve harmonic current compensation. IGBT逆变器的作用是提供基波电压,并补偿无功功率,MOSFET逆变器则实现消除谐波电流的功能。
- harmonic current compensation 滤波电流补偿
- The series-parallel compensation UPS which is composed of delta inverter has the feature just as low energy consumption, small harmonic current, and high energy availability. 由Delta逆变器构成的串并联补偿式UPS较之传统的UPS具有能量浪费少,谐波电流小,能源利用率高的特点。
- Through the processing of the real-time sampling data, continuous compensation and power factor correcting can be realized, and the D-STATCOM is also effective to mitigating harmonic current. 该装置通过对实时采集数据的处理，能够解决动态连续的无功补偿，具有功率因数校正等功能，也可进行谐波治理。
- One key problem with APF application is how to accurately calculate harmonic currents for compensation. 有源滤波器的应用中要求补偿电流的指令值计算要准确。
- At present, most of the compensation principles of APF are that the compensation currents track the detected reference harmonic currents. 目前，并联有源电力滤波器的补偿原理大多是补偿电流跟踪检测出的参考谐波电流。
- This function is sometimes called active and reactive current compensation or line drop compensation. 此功能有时称为有功和无功电流补偿或线路压降补偿。
- The first is a limitation in the harmonic current that a user can transmit into the utility system. 第一个准则是限制用户可送入用电系统的谐波电流。
- Keywords ：shunt active power filter, harmonic current, iterative learning controller (ILC), nonlinear load. 关键词： 并联式有源滤波器;谐波电流;迭代学习控制;
- In HVDC system, It is meaningful to search for a new way to mearsure the harmonic current. 在高压直流输电系统中,研究运用新的测量谐波电流的方法和技术有着重要的意义。
- The real time current compensation is realized by the hysterisis current control and the dc side voltage active power filter (APF) is regulated. 采用滞环电流控制实现较高频率电源系统的电流瞬时补偿并对直流侧电压进行稳压调节。
- The parallel APF compensates the remained harmonic current and fundamental current losses. 进入电网的残余谐波电流以及由于参数波动引起的基波电流损失由并联型APF补偿。
- Should the current compensation methods for redevelopment and preservation be reviewed? What are the key elements of fair compensation methods? 应否检讨目前重建与保育方面的补偿方法？公平的补偿方法应包含哪些主要元素？
- It is found that the electron beam may approach ideal bunching, each harmonic current of thebeam may reach about 5. 发现在二极管与共振腔结合的系统里，电子束可实现理想群聚，各次谐波电流在非相对论条件下可达到初始电流的5。
- The basic principle of resistive current passing through XLPE power cable measured by capacitive current compensation method is introduced. 摘要介绍了用容性电流补偿法测量XLPE电缆的阻性电流的基本原理。
- With the analysis of the harmonic current and power factor of Rectification set of Mine Hoist,the way of filter design is introduced. 分析国内某矿井提升机整流供电系统网侧谐波电流和功率因数情况,介绍滤波器设计的方法。
- Optimization of grab control system of the ship unloader is realized by using slack rope compensation in hoisting mechanism and current compensation in opening/closing mechanism. 通过对抓斗提升机构的“钢丝绳补偿”和抓斗开闭机构的“电流补偿”实现了抓斗式卸船机物料抓取优化控制。
- With the analysis of the harmonic current and power factor of Rectification set of Mine Hoist, the way of filter design is introduced. 摘要分析国内某矿井提升机整流供电系统网侧谐波电流和功率因数情况，介绍滤波器设计的方法。
- JI Sheng-chang,YANG Lan-jun,LI Yan-ming,et al.The capacitive current compensation method for ZnO surge arrester's on line monitoring[J].High Voltage Engineering,2000,26(4):16-18. [2]汲胜昌;杨兰均;李彦明;等.;在线监测氧化锌避雷器的容性电流补偿法[J]
- Detecting the harmonic current and reactive current (pq method) based on the instantaneous reactive theory is suitable in the APF device. 本文采用基于瞬时无功理论的pq法检测谐波电流和无功电流,克服了传统谐波电流检测方法实时性能差的缺点,并且容易实现。
