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开环直流调速系统的仿真，主要由三相对称交流电压源、晶闸管整流桥、平波电抗器、直流电动机组成。-The simulation of the open-loop DC speed control system, mainly by the three-phase the symmetric AC voltage source, the thyristor rectifier bridge, smoothing reactors, DC motor.
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This circuit uses the AC7 block of SimPowerSystems™ library. It models a brushless DC motor drive with a braking chopper for a 3HP motor.The permanent magnet synchronous motor (with trapezoidal back-EMF) is fed by a PWM voltage source inverter,
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三相电压型PWN整流器的基于模型预测的直接功率控制，稳态时，直流电压纹波小，交流侧电流谐波含量小，功率因素为1-Three phase voltage source PWN rectifier based on the model predictive direct power control, steady state, the DC voltage ripple is small, the AC side current harmonic content is small, the powe
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PMSM的电压型逆变器控制技术，利用SVPWM（正弦矢量脉宽调制），构建模型，FFT变换，并对输出的交流电压进行验证-PMSM voltage inverter control technology, the use of SVPWM (sine vector pulse width modulation), build a model, FFT transform, and output AC voltage for verification
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AC Voltage mater source Code
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该逆变器采用spwm控制方法进行电压闭环控制，成功将直流逆变为三相交流。本模型在matlab2014版本上已验证。(The inverter uses spwm control method to realize the voltage closed-loop control, and inverts the DC to three-phase AC successfully. This model has been verified in matlab2014 version.)
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AC motor drives are widely used to control the speed
of conveyor systems, blower speeds, pump speeds, machine tool
speeds, and other applications that require variable speed with
variable torque. The complete system consists of an ac voltage input
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上分对方更好地山丹上单地方很舒服郭德纲大哥山东干上单感受到法国水电费大范甘迪 个(In AC speed regulation, direct torque control (DTC) has become a research hotspot in the field because of its novelty, simple structure, direct control and dynamic characteristics. The basic idea is to control
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led control for rgb use stc12c56
新型L ED 彩灯分为2 部分, 即彩灯控制器(主控模块) 和管内L ED 板模块(受控模块)。彩灯控制器可直接与220 V 交流市电相连接, 经过开关电源变换, 输出直流工作电压, 一方面为管内L ED 模块提供12 V 工作电源,另一方面为主控模块单片机系统(彩灯控制器) 提供5 V工作电源。整个系统工作由软件程序控制运行, 根据需要, 用户可以在L ED 彩灯工作通过主控模块上的按键来设定亮灯时间和灯光闪动频率。(LED
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交-交变换仿真模型\单相交流调压器（斩控式）(Cross-Transformation Simulation Model\Single-phase AC Voltage Regulator (Control type))
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直流微电网：分布式电源、储能装置、负荷等均连接至直流母线，直流网络再通过电力电子逆变装置连接至外部交流电网。直流微电网通过电力电子变换装置可以向不同电压等级的交流、直流负荷提供电能，分布式电源和负荷的波动可由储能装置在直流侧调节。(DC microgrid: Distributed generators, energy storage devices and loads are connected to DC bus, and DC network is connected to externa
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UniSolder-5.2C 俄罗斯开源(UniSolder-5.2C
A short list of features:
- power: 12-24V, AC or DC (24V 6A toroidal transformer is the best possible power source)
- automatic 1/2 and 1/4 power selection, so only simple single winding 24V can drive all the ins
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