FPGA-based phase-shifting circuit of micro-gyroscope-driven rotating 基于FPGA驱动微陀螺旋转的移相电路
Moreover, although the zero-voltage turn-on can not be realized duo to some reason, the voltage stress borne by IGBT was greatly decreased and the working state of a inverted circuit was improved, applying the working way of phase-shifting inverted circuit. 另一方面试验结果还揭示了采用移相式逆变电路工作方式,尽管由于某些原因使电路不能做到零电压开通,也会使IGBT所承受的电压应力大大降低,从而改善逆变电路的工作状态。
In order to make the rotary drill amenable to very poor working conditions, a simple, reliable, phase-shifting trigger circuit has been adopted as the silicon-controlled power-supply speed-modulator for its rotating mechanism and its lifting/ travelling mechanism. 为了使牙轮钻机适应恶劣的工作环境,其回转机构和提升/行走机构的可控硅供电调速装置均采用了简单可靠的磁性移相触发电路。
In design of full-bridge phase-shifting ZVS welding inverter, the application of special phase-shifting chip simplifies the control circuit, strengthenes control functions for the welding inverter and improves performance of the welding inverter evidently. 在相移零压开关设计中,使用专用相移芯片,大大简化了焊机控制电路,同时增强了控制功能,改善了焊机的整体性能。
At last the hardware and software design scheme of SCR phase-shifting triggering control circuit of soft cut-in unit as well as its anti-jamming measures is discussed. In addition, the description of some important software models is paid to much attention. 最后设计了软并网系统的可控硅移相触发控制电路的硬件与软件的实现方案,并提出了系统硬件与软件的抗干扰措施,重点阐述了主要软件模块的实现方案。
A digital phase-shifting frequency-dividing clock has been designed with CPLD ( Complex Programmable Logic Device) technique which modularizes hardware circuit and integrates different modules into one chip. 设计了一种数字移相分频钟,其中利用了先进的复杂可编程逻辑器件(CPLD-ComplexProgrammableLogicDevice)技术,将硬件电路模块化,把各功能模块集成在一个芯片中。
The principle and the design method of phase-shifting reactors are discussed. A six-phase rectifing system with phase-shifting reactor is tested and compared with that of three-phase full-wave rectifing circuit. 阐述了移相电抗器的工作原理和设计方法,对具有移相电抗器的六相整流系统进行了试验研究,并与三相全波整流电路进行了对比分析。
The design of the phase-shifting circuit of one-way phase earth circuit device 单相接地选线装置移相电路的设计
Injection method to communicate Ways to Optimize proposed measuring the internal resistance of VRLA batteries of the new structure, the use of digital phase-shifting technology to solve the internal resistance measurement circuit voltage and current phase difference measurement of technical problems. 对交流注入法进行方法优化,提出了测量VRLA蓄电池内阻的新颖结构,利用的数字移相技术解决了内阻测量电路中电压与电流相位差测量的技术问题。
In the software, about the realization of control algorithm and the Phase-shifting Trigger Circuit are discussed detailedly. 软件中还对对控制算法和移相控制电路描述程序的设计进行了具体的论述。