The Study of Intermediate Frequency Power Supply Control Circuit Base on FPGA 基于FPGA的中频电源控制电路的研究
Accordingly to the principle of work of the intermediate frequency gasoline engine generator, the topological structure and control scheme of the main circuit is selected through the contrast of various projects. 同时根据中频汽油发电机的工作特性,进行了各种设计方案的对比,确定了电源主电路的拓扑结构和控制方案;
Features or Intermediate 60 ° SPWM Control and Its Circuit Realization 中间60°SPWM控制的特点及其电路的实现
The products concerned include: magnetic type intermediate relays, small capacity AC contactors, switching capacitor contactors, fuses with material filled, residual current operated circuit breakers, frame rack type circuit breakers and plastic cased type circuit breakers etc. 涉及的产品包括:电磁式中间继电器、小容量交流接触器、切换电容接触器、有填料熔断器、剩余电流动作断路器、框架式断路器和塑壳武断路器等。
Design of Intermediate Frequency Plasma Power Supply Drive and Protection Circuit 等离子体中频电源的驱动与保护电路设计
The intermediate frequency handling circuit with temperature compensation 具有温度补偿性能的中频处理电路
Owing to the high temperature tube rupture problem in the sub-critical intermediate reheated natural circuit boiler which was mounted with 18 wall temperature measured data, the cause of the tube rupture was clear, and the treatment was suggested. 针对亚临界中间再热自然循环锅炉的高温爆管问题,在锅炉安装了18个壁温测点。通过对这些壁温实测数据的分析,搞清了高温过热器爆管的原因,提出了处理的意见。
Referred to the principle of the intermediate frequency transformer, dual-loop resonant circuit of input signal is constructed to select frequency. And the enhanced, demodulated, reshaped circuits of input signal are designed. 通过借鉴收音机中频变压器,组成信号输入的双回路谐振电路,对接收信号进行选频,完成对输入信号放大、解调、信号整形等电路的设计。
Optical burst switching with an intermediate particle size of the exchange, is higher than optical circuit switching in the utilization rate of resource and easier to achieve than optical packet switching and the research focus of the next-generation optical networks. 光突发交换具有中等交换粒度,比光路交换的资源利用率高,又比光分组交换容易实现。
Low Noise Amplifier, RF Amplifier, Filter, Mixers, Intermediate Frequency Filter and Automatic Gain Control circuit have been mainly designed in this dissertation. 本文主要设计了低噪声放大器模块、射频前级放大器模块、抗镜像滤波器模块、混频器模块、中频滤波器模块以及自动增益控制电路。
Each auxiliary converter by four-quadrant rectifier, intermediate DC circuit, inverter and associated control circuit. 每套辅助变流器由四象限整流器、中间直流电路、逆变器及相关控制电路组成。
The design of the main circuit for three-phase intermediate frequency high-voltage DC power supply includes the full-bridge rectifier circuit, he voltage full-bridge IGBT inverter circuit, and the intermediate frequency transformer with full-bridge rectifier circuit. 三相中频直流高压电源主回路的设计包括三相桥式整流电路,电压型全桥IGBT逆变电路,中频变压器升压和高压硅堆全桥整流的主电路结构设计。