1) pumping voltage
泵升电压
1.
By applying analytical method, we study the mechanism of pumping voltage and propose a resolution to restrain the pumping voltage.
针对交-直-交方波电机驱动履带试验车,对双、单极性PWM再生制动方式进行分析研究,运用解析法研究了泵升电压的产生机理,提出了抑制泵升电压的控制方案;从制动的快速性和节能性等方面,对制动性能进行了比较,得出了对再生制动方案设计和直流侧电容选取有参考意义的结论。
2.
In view of the high pumping voltage and brake control problems existed in the application of G7 frequency converter to the electrical haulage shearer on steep seam,the paper analyzes related solutions by external braking resistance,energy regenerative unit and braking control functional blocks.
针对采用G7变频器的电牵引采煤机在大倾角煤层使用时存在泵升电压过高和制动器控制问题,分析了通过外接制动电阻、能量再生单元和使用制动器控制功能块解决上述问题的过程,提出能量再生单元技术。
2) pump voltage
泵升电压
1.
On the basis of analysis of the above relationship, the design principle of pump voltage circuit is proposed.
本文通过对变频器供电的异步电动机制动过程分析，阐明了制动过程中的能量转换关系以及制动转矩、制动时间等参数的相互关系，并在此基础上提出了泵升电压抑制电路的设计准
2.
Considering the work theory of the asynchronous motor,this paper analysed the brake process of the asynchronous motor with AC-DC-AC inverter power supply,and expounded the exiting principle of the pump voltage during the brake process.
本文通过对交直交变频器供电的异步电动机制动过程的分析,并结合异步电机的工作原理,阐明了制动过程中泵升电压的存在机理。
3) charge pump elevator
电荷泵升压电路
4) voltage pumping circuit
电压泵升电路
1.
For fuel cell is used as the DC input power of inverter,a voltage pumping circuit for releasing nimiety regenerative energy is needed,and a novel pumping circuit was proposed.
针对燃料电池供电的无刷直流伺服电机,研究了一种用来释放多余回馈能量的电压泵升电路,分析了无刷直流电动机的数学模型与机械特性,以及伺服电机实现四象限运行的控制策略。
2.
For fuel cell is used as the DC power of inverter,a voltage pumping circuit for releasing nimiety regenerative energy was researched.
针对燃料电池供电的伺服电机,研究了一种用来释放多余回馈能量的电压泵升电路。
5) DC voltage pumping-up
直流电压泵升
1.
In order to avoid DC voltage pumping-up,a phase shift compensation approach is proposed,and the relationships among source overvoltage ratio,load power factor,phase shift angle and injection voltage provided by inverter are presented.
对一种串联有源电压质量调节器运行中直流侧存在的电压泵升现象进行了分析,并对采用移相控制技术来抑制直流电压泵升时电网过电压倍数、负载功率因数、移相角及补偿电压大小之间的关系进行了理论分析。
6) pump voltage limitation
泵升电压抑制
补充资料：标准操作冲击电压波形(见冲击电压发生器)
标准操作冲击电压波形(见冲击电压发生器)
standard switching impulse voltage waveform
b .oozhun CooZuo ChongJld，onyo boxlng标准操作冲击电压波形(standard switchingimpulse voltage waveform)见冲击电压发生器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条