This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
Because the circuit needs current overload protect, a double loop strategy , with current feedback of filter inductance as inner loop and output voltage as outer loop, is studied.
根据需要电路电流过流保护的特点，重点介绍了滤波电感电流反馈做内环，输出电压做外环的双环控制策略。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
该系统包含升压和逆变两个环节，均采用电压外环、电流内环的双环pwm控制方式。
We can use SPWM to control power tube on or off, can use the double-loop control with the inductance current inner loop and capacitor voltage outer loop is introduced.
可采用SPWM控制功率管的关闭与导通，采用外环电压环，内环电流环的双环控制。
Digital PLL and digital filter are built based on conventional double closed-loop control which contains voltage loop and current loop.
前者在常规的采用电压外环、电流内环的双闭环控制基础上，搭建数字锁相环、数字滤波器。
Then this paper chooses the suitable variable to design the voltage and current double closed-loop controller, which has well stability and fast transient response.
对电源系统进行分析，选择合适变量设计一个稳定性好、动态响应快的电压电流双闭环控制。
In the design of the software part, this paper gives the software design of open-loop control with SPWM and the software design of voltage-current double closed-loop control.
在软件设计部分中，首先进行了开环系统软件设计和电压电流双闭环控制系统软件设计。
The d. c. traction portion of which comprises current and voltage feedback to form double closed-loop speed adjustment system.
该机的直流牵引部采用具有电流反馈和电压反馈的双闭环调速系统。
The chip of TL494 functions very strong, and its operation frequency is high. The double closed loop control of output voltage and current is realized by integrating some simple hardware circuit.
TL 494芯片功能强，工作频率高，通过外扩简单的硬件电路即可实现输出电压电流的双闭环控制。
This dissertation mainly research solar power generation, using the measure of current pre-estimative arithmetic and voltage double-loop control to improve the wave of output current and voltage ;
本文主要针对太阳能光伏电池发电进行了研究，采用电流预估计算法和电流电压双环控制的方法提高逆变输出的电流电压波形；
This dissertation mainly research solar power generation, using the measure of current pre-estimative arithmetic and voltage double-loop control to improve the wave of output current and voltage ;
本文主要针对太阳能光伏电池发电进行了研究，采用电流预估计算法和电流电压双环控制的方法提高逆变输出的电流电压波形；
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