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71402020-M701_Camera-YHM701F_03.1(GC0329)
Camera GC0329 0.3M FPC EFL=1.82mm
- 2013-08-01 19:08:56下载
- 积分：1
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softwarephaselockedloop
在电网电压频率波动或者三相不平衡的情况下,硬件锁相很难准确检测到基波正序的相位。在结合PWM整流器空间矢量解耦控制算法的基础上,将软件锁相环技术应用在PWM整流器控制系统中,并用仿真和实验验证了该方案的可行性。实验结果表明,该方案解决了电网电压频率波动及三相不平衡时的相位同步等问题,并在工程上具有一定参考价值。(Frequency or voltage fluctuations in three-phase unbalanced case, the hardware lock is difficult to accurately detect the fundamental positive sequence phase. In the space vector PWM rectifier with decoupling control algorithm based on the software used in the PWM rectifier PLL control system, and use simulation and experimental verification of the feasibility. Experimental results show that the solutions to address the voltage and frequency fluctuations of the phase unbalanced three-phase synchronization issues, and the project has a certain reference value.)
- 2020-10-19 09:17:26下载
- 积分：1
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71402020-M701_Camera-YHM701F_03.1(GC0329)
Camera GC0329 0.3M FPC EFL=1.82mm
- 2013-08-01 19:08:56下载
- 积分：1
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solaor
太阳能电池充放电控制器电路图，LM317，过压比较(Solar battery charge and discharge control circuit)
- 2021-04-22 17:08:48下载
- 积分：1
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sw2De
SolidWorks 二次开发难得论文 和一些范例(SolidWorks secondary development papers and some rare examples of)
- 2008-01-13 15:47:43下载
- 积分：1
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PSCAD421
pscad 有 风场模块，变流模块，直流电机，永磁电机模块(pscad wind field module, the converter module, DC motor, permanent magnet motor module)
- 2021-05-12 22:30:02下载
- 积分：1
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liangxianzhiyalibiansongqi
两线制压力变送器设计两线制变送器的原理是利用了4~20mA信号为自身提供电能。本文档详细介绍了两线制压力变送器的特点以及参考电路图(2-wire pressure transmitter 2-wire transmitter design principle is the use of the 4 ~ 20mA signal to provide power for itself. This document details the two-wire pressure transmitter features and reference schematics)
- 2010-02-01 09:41:01下载
- 积分：1
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kongzaibingwang
双馈变速恒频风力发电系统的空载并网控制策略(Doubly-fed VSCF wind power generation system of no-load and network control strategies)
- 2008-05-09 17:52:54下载
- 积分：1
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reduce-noise
guideline design PCB layout to reduce noise
- 2012-01-31 16:01:15下载
- 积分：1
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nbdy
电力系统中逆变器的设计，提供了很好的技术参考方案，值得借鉴(Power system inverter design, provided a good technical reference program, it is worth drawing)
- 2008-05-23 14:13:26下载
- 积分：1
