C. adjustable speed systems, commutatorless motor system has its unique nature in that it can achieve thyristor's commutation of inverter in the way of load commutation.
本文以晶闸管交直交无换向器电机及其微机控制系统为主要研究对象。
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This paper discusses the basic principle which the inverted firing angle of thyristor inverter has the influence on power factor of a cascade connected device.
本文论述了可控硅逆变器逆变角影响串级调速装置功率因数的基本原理。
On the other hand, the forced commutated thyristor has starting problem under heavy load, and the larger the inverter power is, the more difficult to start, so its tonnage is small.
但是，由于采用强迫换流方式，它在重负载下存在启动困难，且随着中频功率的增大而加剧，使其不能做大。
Analysis on the power adjustment principle of series half-bridge inverter main circuit of Thyristor intermediate frequency furnace
中频电炉串联半桥逆变器调功原理分析半导体二极管混频器
A laser power supply with newly designed thyristor 3-phase rectifier At latter, methods of confirm part parameter in the converter is introduced, most parts of 3-phase rectifier and filter, inverter and filter, NFT are confirmed.
可控硅调压激光器电源的新型同步触发电路对功率变换部分的整流滤波、逆变、滤波及中点形成等环节进行了详细地分析与设计，给出了系统参数计算和选择的方法。
Three chips of microcomputer are used to perform three different functions, the first for dual PID controller in voltage and current loops, the second for pulse-triggered circuit in the thyristor converter and the third for the nonlinear function generation and ring counter in the inverter.
三片单片机分别实现电压与电流反馈环中的数字PID调节器，晶闸管变流器的脉冲触发电路，以及非线性函数发生器和脉冲环形分配器。
The input section of the Non-PWM power unit composed of three-phase controllable rectifier bridge made of thyristor; the output section composed of IGBT inverter bridges.
非PWM功率单元的整流部分由晶闸管三相可控整流桥所组成，逆变部分由IGBT构成的逆变桥所组成。
The thyristor intermediate frequency inverter is mostly applied to industry production field such as metal smelt or metal heat treatment.
可控硅中频电源主要应用于金属冶炼、金属热处理等工业生产领域。
KGPS-JY type one being an example, this paper has expounded the gist and the way to the servicing of the thyristor intermediate frequency inverter and gives the shortcut of the servicing of the curbstone service personnel.
以KGPS-JY型可控硅中频电源为例，详细地阐述了可控硅中频电源的维修思路和故障检修方法，为非专业维修人员维修中频电源提供了捷径。
In the'70s to the'80s, with the frequency converter to the spread of thyristor power inverter. giant power transistor and gate turn-off thyristor (GT0) became the protagonist of power electronic devices.
在七十年代到八十年代，随着变频调速装置的普及，大功率逆变用的晶闸管、巨型功率晶体管和门极可关断晶闸管(GT0)成为当时电力电子器件的主角。
Cascade control system for 6 kV/1250 kW wound-rotor induction motor based on soft switching boost converter presented in the paper employs IGBT soft switching boost converter combining thyristor based 3-phase current source inverter to realize the power feedback and speed regulation.
介绍了新型的6kV/1250kW绕线式电动机的软开关升压型串级调速装置，它采用IGBT软开关升压电路结合晶闸管逆变器来实现转差功率的回馈并实现电动机的连续调速。
Three_level thyristor inverter and single chip microcomputer control
三点式晶闸管逆变器及单片机控制
The simulation and experimental verify the theoretical analysis, show that the the inverter can output stability voltage and turn-off thyristor will not be mistaken.
通过仿真和实验验证了理论分析，表明逆变器能输出稳定的电压和晶闸管不会出现误关断。