The tested results show that the machine has the high systematic efficiency and the low peak value of phase current with the angle control strategy at the condition of power operated and the phase voltage control strategy at the condition of generated energy. 实验结果表明,电机运行状态下采用开关角控制策略,发电运行状态下采用相电压控制策略,开关磁阻电机具有较高的系统效率和较小的相电流峰值。
A peak voltage signal generator is developed and used to generate and send peak voltage and voltage surge signals to the power supply circuit for tested equipment in series connection under the control of a CPU. 尖峰电压信号发生器的核心是产生尖峰电压信号,通过CPU控制串联接入被试设备的供电电源的回路中,能够输出尖峰电压信号、电压浪涌信号的试验设备。
Impulse current and voltage sensors are used to measure the peak value of the current and the voltage of the machining power. The control system with the structure of IPC realizes the optimization control of the current and voltage value of short pulses power and some state parameters. 通过传感器测得脉冲电流、电压的峰值,并采用上下位机结构实现对脉冲电源的电流、电压等状态参数的监测与控制。
In allusion to generating electricity requirement of adjusting peak value power in some thermo-electricity corporation, some defaults are analyzed when the boiler begin to be circulated, some effective control measures are put forward combined the structure collocation and characteristics of gas turbine heat-recovery boiler. 针对某热电公司燃机调峰发电要求,结合燃机余热锅炉结构布置及特点,分析了锅炉运行启动时存在的不足,并提出了运行中的一些有效的调整控制手段。
Finally, dual-loop current control strategy has been experimentally tested, and the experiment results prove that the resonant peak can be restrained effectively and high power factor can be achieved by dual-loop current control strategy, and also the system has a good dynamic response. 最后采用入网电流和电容电流双闭环控制进行了实验研究。实验结果表明,该控制策略能有效抑制谐振尖峰,实现高功率因数并网,系统具有优良的动静态性能。