pulse-count converter

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。

Novel Sinusoidal Pulse Width Modulation Controlled Voltage Source Converter Dynamic Static Var Compensator

新型正弦脉宽调制控制电压源型动态静止无功补偿器

Pulse amplitude to time converter

脉冲幅度时间变换器

The work principle, system structure, and pulse control strategy of the cell series multi-level converter are discussed in detail.

详细阐述了单元串联多电平高压变频器的工作原理、系统结构以及脉冲控制的策略。

The analyses show that overvoltage is a function of the rise time of the converter output pulse and the lengths of the traction motor cables, and that its magnitude can be as large as 1.9 times of the pulse voltage.

研究结果表明，变频牵引电机端子过电压由脉冲上升沿时间和电缆长度共同决定，其幅值最大可达脉冲电压的1.9倍。

Pulse width modulated ( PWM ) converter can generate common-mode voltage.

PWM变频器在应用中会产生共模电压.

So the research on the high power thyristor AC/ DC converter protection is significant practically and theoretically. First, this dissertation aims at 12 pulse thyristor AC/ DC converter.

因此，针对大功率晶闸管AC-DC变换器的保护进行研究具有理论和现实意义。

In this paper, the matrix converter ( MC) is considered as a virtual AC DC AC converter. Sine pulse width modulation ( SPWM) control technique is applied to control it.

通过把矩阵变换器等效为虚拟的交直交变换器，将SPWM控制技术应用于其中，提出了矩阵变换器的SPWM控制策略。

So the analysis for the DC/ DC converter applied in dynamic state should be emphasized when the driving way in the floating type of the high voltage narrow pulse amplifier is studied.

因此，研究悬浮型高压窄脉冲放大器的驱动方式，就是要着重分析动态运用中的DC/DC变换器的工作状态。

This paper presents a zero-current transition ( ZCT ) pulse-width-modulation ( PWM ) dc-dc converter for battery chargers.

本论文提出一零电流转移脉波宽度调变蓄电池充电器.