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逆变电源设计
- 电路分为两部分,笫一部分为DC/DC转换电路,芯片采用SG3525集成电路,作为前级MOS管的PWM控制输出,直流输出采用负反馈控制,来保证直流110V输出电压的稳定。 笫二部分为DC/AC转换电路,电路采用单片机控制,采用的微处理器型号为EM78P156,由其I/O口输出一对相位相反的控制脉冲信号(频率为50Hz/60Hz),在输出为正半周的时间内,输出信号以SPWM信号驱动的方式提供给逆变器中的功率开关管,控制输出功率开关管的导通与截止,从而输出幅值为110V的正弦波电压。
逆变器相关资料
- 液晶的背景光(简称背光)通常有三种:LED(发光二极管)、EL(场致发光)和CCFL(冷阴极发光),其中LED背光,直接接直流+4.2V即可。 EL用逆变器的输出电压范围为70—100V,频率为400—800Hz,多数为+5V输入,负载能力 1W 左右。 CCFL用逆变器种类较多,工作频率一般在20kHz—100kHz,输出开路电压在900V以上,带负载电压300V—800V为常见,输入有+5V、+12V、+24V等多种类的,负载能力一般在2W以上,转换效率75%左右;有些逆变器带调光器(即
zhihuanbijiaopwm.rar
- 滞环比较逆变器,生产交流电压波形比较好,大家下来玩玩吧,Comparison of hysteresis inverter, the production of AC voltage waveform is better, everyone down to play it
SPWM_simulink.zip
- Matlab/Simulink仿真课程设计(论文)任务书,电压型逆变器 SPWM 调制技术的仿真.单相单极性SPWM调制,单相双极性SPWM调制,三相双极性SPWM调制,Matlab/Simulink simulation curriculum design (thesis) paper SPWM voltage source inverter modulation simulation. Unipolar SPWM modulation single-phase, single-phase b
svpwm.rar
- svpwm实现,可用于电机控制以及电压逆变,SVPWM realized, can be used for motor control and inverter voltage
doubleloop
- 电流电压双闭环的PI单相逆变器仿真,自己做的,请指教-Double closed loop PI current and voltage single-phase inverter simulation, make their own, please advise
JDQW200502014
- 叙述了三相交流电机空间矢量脉宽调制( SVPWM)的原理,探讨了采用空间矢量脉宽调制三相桥式电压型逆变器的电压输出能力。介绍了一种基于DSP 生成SVPWM 波形的方法, 给出了采用最新的TMS320F2812 DSP实现SVPWM控制的方案,最后给出了在三相交流电机上的试验结果。-Described the three-phase AC motor space vector pulse width modulation (SVPWM) the principle of the use of s
power
- 基于单片机的推挽型逆变器控制系统设计及其程序设计 SA838初始化及控制子程序 ADC0809的控制及数据处理子程序 数据处理及电压显示子程序-MCU-based push-pull type inverter control system design and programming SA838 Subroutine to initialize and control the ADC0809 data processing control and data-processing
SPWM单相全桥逆变代码
- 逆变器(inverter,又称变流器、反流器,或称反用换流器、电压转换器)是一个利用高频电桥电路将直流电变换成交流电的电子器件,其目的与整流器相反。可将12V或24V的直流电转换成230V、50Hz交流电或其它类型的交流电。它由逆变桥、控制逻辑和滤波电路组成(Inverter (also known as converter, inverter, or inverter inverter, voltage converter) is a high-frequency bridge circuit
逆变器电路图及原理简介
- 逆变器(inverter,又称变流器、反流器,或称反用换流器、电压转换器)是一个利用高频电桥电路将直流电变换成交流电的电子器件,其目的与整流器相反。可将12V或24V的直流电转换成230V、50Hz交流电或其它类型的交流电。它由逆变桥、控制逻辑和滤波电路组成。(Inverter (also known as converter, inverter, or inverter inverter, voltage converter) is a high-frequency bridge circui
multisim中单相桥式PWM逆变电路的仿真
- 采用ijbt作为开关器件的单相桥式电压逆变电路,通过此电路能直观的观察到我们想要获取的结果(Using ijbt as a single-phase bridge voltage inverter circuit, through which we can intuitively observe the results we want to obtain.)
并网逆变器中全软件锁相环的设计与实现
- 讲述并网逆变器中全软件锁相环的设计与实现,,即检测基波正序分量的电网电压不平衡和扭曲的条件下。明确地,提出了一种积极的基于一种新的序列检测器双同步坐标系的解耦锁相环(双dq–PLL),完全消除了检测误差传统的同步参考框架(SRF–锁相环PLL)(and implementation of all software phase-locked loop in grid connected inverter is described, that is, detecting the positive a
Three_Phase_ACDCAC_PWMconverter
- 三相PWM逆变器,采用双闭环控制,内环电流,外环电压~~~~(Three-phase PWM Inverter with Double Closed Loop Control)
逆变器
- STM43F4核心板 实现用ir2104驱动的全桥整流电路的驱动,包括PWM以及频率测量,电流电压的闭环控制(STM43F4 Core Board The drive of full bridge rectifier circuit driven by IR2104 is realized, including PWM, frequency measurement and closed-loop control of current and voltage.)
3.PR单相光伏逆变并网
- 用MATLAB/SImulink 搭建的单相光伏并网逆变器仿真,用PR电压环控制器进行控制,包含2012-2018所有版本(Simulation of single-phase photovoltaic grid connected inverter built by Matlab / Simulink, controlled by PR voltage loop controller, including all versions of 2012-2018)
2019.1.5电流电压双闭环的PI单相逆变器仿真
- 基于dsp的单相全桥逆变电路的仿真设计实用程序设计(Simulation design of single-phase full-bridge inverters based on DSP)
zw_三相电压型逆变器电压闭环控制simulink仿真
- 基于SPWM调制的两电平三相逆变器,可实现直流电变交流电(Two-level three-phase inverter based on SPWM modulation algorithm,DC to AC.)
三相光伏逆变并网
- 三相光伏逆变并网的simulink 仿真 电流电压 双闭环(Three-phase PV inverter and net current-voltage double-loop simulation simulinkthree_phase_current_loop_grid)
光伏逆变MPPT_2
- 包含单相光伏逆变器及最大功率点跟踪,可以实现电流内环及电压外环控制(Including single-phase photovoltaic inverter and maximum power point tracking, can achieve current inner loop and voltage outer loop control)
逆变器仿真
- 使用simulink工具箱做的三相逆变器仿真模型,可观测交流电压电流波形。(The simulation model of three-phase inverter made by Simulink toolbox can observe the AC voltage and current waveform.)