晶闸管串级调速系统是一种廉价、简易的调速系统，但是传统串调系统存在着诸如功率因数低、谐波污染严重等弊端。
Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.
晶闸管串级调速系统是一种廉价、简易的调速系统，但是传统串调系统存在着诸如功率因数低、谐波污染严重等弊端。
Thyristor cascade control system is a low-cost system, but the traditional cascade control system has some shortages, such as a low power factor, serious harmonic pollution etc.
而分布式发电技术需要功率因数高，谐波污染少的大功率整流逆变系统作为其能量转换装置。
But this useful technology needs high power factor, low harmonics pollution rectifiers and inverters to be its energy converters.
实验结果表明，该系统具有输出功率因数高，对电网谐波污染小等优点。
The experiment results indicate the system has the characteristics of high power factor and low harmonic current.
基于双向变流器技术的蓄电池充放电装置具有充电和放电功能，同时实现了网侧电流正弦化及单位功率因数，因而减少了对电网的谐波和无功污染。
The device for battery charge or discharge based on the technology of bidirectional converter can be used in charging or discharging battery, and realize sine wave of ac and unity power factor.
为了抑制谐波污染，改善电网品质，目前多在电源前级加入功率因数校正环节。
In order to restrain harmonic pollution and improve power system quality, power factor correction (PFC) circuit is applied in pre-stage of power supply.
脉冲整流器因为能实现能量的双向流动、调节电网功率因数及减小对电网的“污染”等优点，其应用的范围领域也越来越广泛。
The scope of Pulse rectifier's application areas has become more extensive for the advantage of bidirectional power flow, adjustable power factor and reducing the grid's "pollution", etc.
PWM整流器可成为理想的用电设备或电网与其它电气设备的接口，因为它可以实现无电网污染和可调整的功率因数。
PWM rectifier might become an ideal electric appliance or a linkage between grid-line and other electric facilities, characterized of pollution-free and adjustable power factor.
输入功率因数校正功能，在满载情况下，输入功率因数可以达到0.95以上，不污染电网环境。
Input power factor correction function. Under full loading condition, the input power factor reaches 0.95 or above, no pollution to the electricity net environment.
功率因数校正技术对输入电流进行校正，提高设备利用率，减少谐波对电网的污染。
Power Factor Correction (PFC) technique make input current waves sine, improve efficiency of the system and reduce harmonic waves.
功率因数校正技术对输入电流进行校正，提高设备利用率，减少谐波对电网的污染。
Power Factor Correction (PFC) technique make input current waves sine, improve efficiency of the system and reduce harmonic waves.
应用推荐