After the summarization of present literatures , analyses and comparisons are made on the asvg ' s main circuit , present detection system and control methods 根据现有文献对静止无功发生器的主电路结构、各种有害电流检测方式和控制方式进行了分析、比较和总结。
The electric circuit has been adopted a computer - controlled scr to adjust its voltage . dc high - voltage can be adjusted continuously from 0 to 13kv without turning the power off 主电路为最新l . c振荡电路，节能效果明显，与同类其它产品相比可节电10 % - 15 % ，整机效率高。
Chapter 4 analyzes the main circuit and strategy of rectifier circuit . it also introduces the function of different parts of control circuit of inverter and drive circuit 第四章给出了电源的主电路，并分析电路的控制策略，逆变控制各部分的电路功能以及驱动保护电路等等。
The switching voltage stabilizer for the transformer substation is presented . th e principle of the main circuit and control circuit is analysed . this switching voltage stabilizer is high reliable 介绍一种变电站用的开关稳压电源,分析其主电路及控制电路的原理,及其高可靠性。
At the same time , this paper also designed and composed the main structure circuits and its auxiliary circuits that are mainly constituted by intelligent power model ( ipm ) 采用以igbt为开关电路的智能功率模块构成统一潮流控制器主电路，设计和制作了外围驱动电路和辅助电路。
Then , through analysis of working principle of the controller , comparison between two current hysteretic control , strategies and design of main circuit parameters are given 接着,本文介绍了控制器的工作原理,给出了两种斩波控制方式的比较、控制器主电路参数设计和驱动电路设计。
Chapter 3 discusses the principle of capacitive pwm & pfm control method and solves the soft switch problem of the converter , gives the main topology of the main circuit 第三章分析了容性pwm & pfm控制方法电路工作原理，提出了实现开关器件软开关的解决方法，并给出了实用的主电路拓扑。
In the plan of design , the fourth generation of ipm is used as the main half - bridge circuit and tms320lf240x dsp with good performance and strong function is used as a controller 在设计方案中，采用第四代ipm作半桥主电路，以性能好、功能强的数字信号处理器tms320lf240xdsp为控制器。
Abstract : the switching voltage stabilizer for the transformer substation is presented . th e principle of the main circuit and control circuit is analysed . this switching voltage stabilizer is high reliable 文摘:介绍一种变电站用的开关稳压电源,分析其主电路及控制电路的原理,及其高可靠性。
