• The principle of the SCR adjusting voltage circuit and the starting model of soft starter are introduced. The voltage adjusting model SCR is used in this paper.

    介绍了调压电路原理以及目前起动起动方式,本文采用晶闸管调压方式。

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  • The self-adaptable control of output voltage could be realized under certain range by adding a APFC in ultrasonic generator and adjusting voltage feedback network with digital potentiometers.

    本文超声发生器加入功率因数校正电路(APFC),利用单片机控制数字电位器实现了对电压反馈网络调节,从而实现APFC输出电压在一定范围内的自适应控制。

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  • It also introduces the working principle of the SCR adjusting voltage circuit and the starter's main circuit, the hardware structure and functions of the soft starter and the software program design.

    阐述晶闸管调压电路起动电路工作原理、软起动器硬件结构功能以及软件设计。

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  • Once you begin adjusting GTLREF voltages (for each core data and address bus) you will find that different bus frequencies respond differently to variations in the voltage.

    一旦开始调整GTL ref电压(单独针对每个核心数据地址总线)你将会发现不同总线频率需要不同的电压组合。

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  • According as compare of voltage deviation and its variable ratio, optimal control of voltage and current is realized with querying fuzzy control sheet and adjusting adverse variable pulse width.

    比较电压偏差及其变化率查询模糊控制调节逆变宽,实现电压电流理想控制。

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  • This provides a means of adjusting the output voltage to a lower value.

    提供了输出电压调整一个较低表示

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  • Tested by PSPICE simulation and small power experiment, the designing project "adjusting output voltage by changing on and off time of the SPWM" is practical.

    PSPICE软件仿真功率电路实验证明,“通过改变开关角而实现调节输出电压的闭环设计方案可行

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  • Meanwhile, the voltage rise caused by resonance in course of adjusting is controlled by series damping resistance.

    并且通过串联阻尼电阻限制调节过程谐振引起电压升高

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  • Feedforward signal includes the information of both grid voltage and DC side load. Power balance between the input and output can be maintained by adjusting AC side currents.

    前馈信号同时包含电网电压负载信息通过快速调节交流进线电流,使得系统功率平衡得以维持。

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  • When we measure the electric machines with little steady voltage adjusting rate, the absolute error of the voltmeter reaches out of the range of the steady state voltage adjusting.

    测量一些稳态电压调整非常小的电机时,会出现测量用电压表最大绝对误差大于稳态电压调整的范围

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  • KIWA synthetic power saver with his unique structure form eliminates higher harmonic of the electrical network by way of the balance in adjusting three-phase current and voltage.

    KIWA综合节电装置独特结构形式通过调整相电流电压平衡消除电网次谐波

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  • Based on the method of SVPWM, various forms of phase voltage waveforms are generated by adjusting the duty time of the two zero vectors and the duty order of every vector.

    空间电压矢量形成PWM基础上,通过两个矢量作用时间不同分配调节矢量作用顺序,形成了不同形式的电压波形。

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  • While adjusting, it can measure the system according to the voltage of sensor signal that the instrument shows.

    标定根据仪表显示传感器信号电压进行系统检测

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  • The wind power converter must possess abilities of Low voltage Ride through (LVRT), available operation with unbalanced voltage fault and adjusting active as well as reactive power.

    风电变流器在国产化的过程中也必须要具有电压穿越、不对称故障运行能力动态无有功功率的调节能力。

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  • The speed adjusting system with field weakening with voltage feedforward, current closed negative feedback and speed closed loop was designed by adopting digital signal processor (DSP).

    采用数字信号处理器(DSP)控制器,设计具有电压前馈电流截止负反馈转速闭环调速系统

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  • This integrated circuit control the frequency and pulse width of the high voltage IC output signal conveniently by adjusting the input date of IC digital input port.

    集成电路通过数字输入端口输入数据调节灵活控制高压开关集成电路输出信号频率

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  • The influences on the beam current are observed by adjusting arc voltage and gas injection at different cases.

    多种参数下,通过调节进气量等观察了影响

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  • The switch mode regulated power supply using self - adjusting technique is introduced. In TV transmitter, it is used to the large power transmit-ting tubes with variable voltage for cold filament.

    介绍了一种采用适应技术开关稳压电源电视发射机大功率发射管冷态灯丝平滑上电压,有效提高了发射管的使用寿命。

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  • The results show that after triggering discharge, the wall charges can be varied by adjusting the driving waveform, and the high wall voltage can be obtained.

    数值模拟结果表明放电期间恰当地调整电极上的驱动电位可以改变介质层表面电荷积累,获得较高电压

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  • An automatic laser power control circuit comprises a laser diode package, a voltage adjusting unit and a polarity adjusting unit.

    一种自动激光功率控制电路,包括:激光二极管封装件电压调节单元极性调节单元。

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  • The motor speed can be controlled and regulated by adjusting the input voltage.

    只要调整输入电压大小,就可以使电机转速得到调整控制

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  • This paper describes how to apply best adjustment theory to fix the parameters in a temperature-voltage adjusting system.

    论述如何应用最佳调节理论温度-电压调节系统中进行参数

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  • The bath temperature, liquidus and anode effect were controlled by adjusting the AlF3 additions, aluminum tapping magnitude, cell voltage set-point and the alumina feeding interval.

    通过调整氟化添加量、出铝量和设定电压以及氧化铝下间隔的自修正,实现电解槽温度、初晶温度、效应系数的控制

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  • The system has voltage auto-adjusting functions of optics focusing and CRT's focusing.

    研究了设计参量制作误差其聚焦性能影响。

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  • A fuzzy controller for capacitor voltage at DC side is designed by using fuzzy control rule with self-adjusting factors.

    采用带有自调整因子的模糊控制规则设计了有源滤波器直流电压的模糊控制器

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  • By adjusting the resistor to a higher value, it is possible to keep the SCR from firing until the ac voltage has reached its peak value in the positive direction.

    通过调节电阻较高因此能够保持SCR击发直到AC电压达到峰值方向。

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  • By adjusting under voltage regulation loop, it achieves the function of providing stable 110v DC output.

    通过电压闭环调节实现了输出恒定110V直流电压功能

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  • A method for improving the ability of JZXC 480 track circuit once adjusting was presented. The method is to in crease the ratio of release voltage and work voltage of track relay.

    提高JZXC - 480型轨道电路一次调整能力提出改变轨道继电器返还系数的方法进行计算机仿真计算

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  • A method for improving the ability of JZXC 480 track circuit once adjusting was presented. The method is to in crease the ratio of release voltage and work voltage of track relay.

    提高JZXC - 480型轨道电路一次调整能力提出改变轨道继电器返还系数的方法进行计算机仿真计算

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