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- HVDC power modulation can improve the stability of AC/DC systems,but the converter will consume much of reactive power,which influences the AC system voltage. 直流功率调制能有效地提高交直流系统的稳定性,但同时直流换流站也要消耗大量的无功,影响交流系统的电压稳定。
- reactive power modulation 无功功率调制
- Keywords Hybrid AC/DC power systems, Hierarchical control,Multi-infeed,Interaction,Active and reactive power modulation,Hybrid simulation,Noulinear control,Coordinaed recovery,Commutation failures; 交直流混合电力系统;多馈入直流输电系统;紧急功率支援;混合仿真模型;相互作用特性;非线性控制;协调恢复;有功及无功调制;递阶控制;换相失败;
- Have you decreased the reactive power to zero? 您将无功负荷将为零了吗?
- Is there any reactive power error control in AVR? 自动调压器有无功功率误差控制吗?
- Node with zero input active and reactive power. 注入有功功率及无功功率为零的节点。
- The concept of reference input voltage is proposed and used in the space vector modulation strategy of TSMC, which can implement the control of reactive power of TSMC. 文中提出了参考输入电压概念,在双级矩阵变换器空间矢量调制策略中利用参考输入电压来实现无功功率的调节,并给出了详细的调制方法,分析了输入功率因数和双级矩阵变换器电压传输比的关系。
- The control of voltage and reactive power are inseparable. 电压控制和无功功率的控制是分不开的。
- The controlof voltage and reactive power are inseparable. 电压控制和无功功率的控制是分不开的。
- Improve the power factor and reduce the reactive power dissipation. 提高系统的功率因素,减少无功损耗。
- DZ-active and reactive power grab grab, such as lifting aids. DZ型有功抓斗和无功抓斗等起重辅助设备。
- The objective of DC power modulation is to damp the relative swing of angle and frequency of the two areas from COI. 直流输电线路功率调制的目标是阻尼区域COI功角和频率间的相互振荡。
- Automatic compensation load reactive power, enhancing the load power factor. 自动补偿负荷无功功率，提高负荷功率因数。
- Power modulation is one of valid supplementary control methods for AC/DC parallel systems. 对于交直流并联输电系统，直流功率调制便是其中一种有效的附加控制方式。
- On-line reactive power optimization synthetical algorithm is presented. 提出了在线无功优化的一种混合算法。
- A multilevel laser power modulation method was developed based on the industry standard architecture (ISA) interface and a complex programmable logic device (CPLD). 该文描述了一种基于工业标准结构(ISA)总线和复杂可编程逻辑器件(CPLD)的多阶激光功率调制方法。
- All kinds of circuit topology and power modulation technology for variable speed constant frequency(VSCF)wind power generator system are introduced. 简单介绍了变速恒频风力发电系统中出现的一些常用拓扑结构及功率调节技术。
- Hydraulic power modules imported from Europe and USA. 油压动力单元选用欧美进口之零组件。
- Application of intelligent power modules to VVVF inverter. 智能功率模块在VVVF变频器中的应用。
- This method has the advantages of wide area of power modulation and little change of frequency. It adapts to the inductive heating of medium power and supply frequency. 这种方法具有功率调节范围宽、频率变化小的优点,适用于中小功率的感应加热应用。
