Corn pollen electric collector consists of transformer, electric circuit of rectifier and filter, electric motor, battery and pollen trap.
研制的玉米花粉电动采集器由变压器、整流滤波电路、轴流风机、蓄电池与采粉器组合而成。
The hardware system mainly includes rectifier and filter circuit, regulate voltage and inverter circuit, drive and control circuit, output circuit, protection circuit etc.
电源系统硬件部分主要包括整流滤波电路、调压及逆变电路、驱动及控制电路、输出电路、辅助保护电路等。
Schematic circuits of rectifier and filter, assistant power, over voltage protection, and charge control for storage battery are suggested , their working principle are also discussed.
同时给出了整流滤波电路、辅助源电路、过压保护电路、蓄电池的充放电控制电路的电原理图及其工作原理。
This paper introduces the system of single phase large power source varied frequency for heating, contains rectifier, filter, inverter and control circuit etc.
介绍了大功率单相变频加热电源的系统组成，包括整流、滤波、逆变和控制电路等部分。
The main circuit is made up of input rectifier & filter circuit, first inverter circuit, high-frequency transformer, second inverter circuit, rectifier & filter circuit and output reactor.
主电路系统由输入整流滤波电路、前级逆变电路、高频变压器、整流滤波电路、后级逆变电路和输出电抗器组成。
The harmonic characteristics of a rectifier with a DC filter inductor or capacitor are analyzed and then relevantlythey are classified into current type and voltage type harmonic source.
分析了直流侧电感和电容滤波的整流器的谐波特性，进而把它们分为电流和电压型谐波源。
The experiment shows power factor of the rectifier is approximate to 1 and the inductance of the DC filter is decreased greatly by applying the new PWM control method.
实验证明，采用新型PWM控制的整流器功率因数近似为1，且可大大减小平波电抗器的电感器。
A new PWM control method for GTR current source rectifier is presented. The mathematical formulae that output voltage of the rectifier and inductance of the DC filter are derived.
提出了一种新的适合于GTR电流型变频器整流器部分的PWM控制方法，推导出了在准圆轨迹PWM控制规律下，整流器输出电压的计算公式和平波电抗器电感量计算的实用公式。
In order to eliminate the second-harmonics in the output side of single-phase PWM rectifier, the filter circuit consisting of an inductor and a capacitor is often used.
为了消除单相电压型PWM整流器输出侧二次谐波的影响，经常接入电感、电容组成的二次吸收回路，本文对于二次吸收回路的参数选取和运用效果进行了研究。
The efficient electronic ballast is composed of rectifier-filter circuit, high-frequency inverse transforming circuit, power regulation circuit and filament preheating circuit.
本发明提出了一种高效电子镇流器，由整流滤波电路、高频逆变电路、功率调节电路及灯丝预热电路组成。
Engage in manufacturing anodize power supply, coloring power supply, wave filter and rectifier for Al surface processing;
铝表面处理氧化电源、着色电源及电力滤波系统的生产制造；
Engage in manufacturing anodize power supply, coloring power supply, wave filter and rectifier for Al surface processing;
铝表面处理氧化电源、着色电源及电力滤波系统的生产制造；
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