For PWM current control, the maximum output current is determined by the users selection of a reference voltage and sensing resistor.
对于PWM电流控制,最大输出电流是由用户选择参考电压和感应电阻决定。
The selection of shunt reactor parameters and the most withstand voltage calculation of neutral point small reactor are discussed for different compensation modes.
给出了各种补偿方式下并联电抗器参数选择方法和中性点小电抗的最大耐受电压计算方法。
The object of using DC fuse in tunnels and way of selection were expounded, including the selection of rated voltage and current, and the coordination of circuit breakers.
概述了在轨道交通系统中选用直流熔断器的目的及选用方法,包括额定电压、额定电流的选择,与断路器的配合工作。
It is an object of the present invention to reduce smears that arise when the voltage decreases due to the wiring resistance of scan lines for electron emission device selection.
本发明的目的是降低因选择电子发射元件用的扫描线的布线阻抗的电压下降而产生的拖影。
To make the servo system have the expected its, it s especially important for selection of DC bus voltage in servo driver.
在伺服系统中要使系统能够满足所期望的性能,伺服系统驱动器直流母线电压的选择尤为重要。
The polluted voltage signal was denoised in the case, and the results show that threshold selection is directly related to the quality of de-noising.
在例子中对染噪的电压信号进行消噪处理,结果表明阈值的选取直接关系到消噪的质量。
The selection for acceleration of voltage and beam current has been studied in case of observation of powder specimen by SEM.
研究了用扫描电镜观察粉末试样时加速电压和束流的选择。
This paper introduces the selection and scheme demonstration of higher voltage class in Northwest China Power Network, and conclusions made by main research institutes and experts' comments.
本文介绍了西北电网高一级电压选择和论证工作情况,主要研究单位的结论,以及专家评审意见。
This paper introduces the selection of crystal used for voltage measurement with optic, and the principle for selecting the optic axle.
介绍了用于光测电压的晶体的选择与晶体加工设计中的光轴选定原则。
The use of engineering plastics voltage 220V pump, for family selection.
采用220V电压的工程塑料泵,可供家庭选用。
In selection of neutral points, a concrete analysis of concrete problems should be made. The same operational manners has different forms in different voltage degrees and electric power system wiring.
中性点运行方式的选择要做到具体问题具体分析,同样的运行方式、不同的电压等级、不同的电力系统,接线采用的形式可能不同。
This paper analogy the selection of voltage space vector and the flux linkage estimate model of the direct torque control system of PMSM, and the realizing project of the system.
文章分析了永磁同步电机直接转矩控制系统的电压空间矢量选择和磁链估计模型,并提出了系统的实现方案。
It can be to improve the quality of supply that the reasonable selection of underground low voltage cable cross section.
合理选择井下低压电缆截面,可为提高供电质量提供客观依据。
The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.
该电路通过对被测电压的判断和量程选择器的控制,实现了在高精度仪表中量程的自动选择。
Bad effect from high voltage was analysed. The attention problems of voltage selection were put forward.
分析了电压值过高带来的不良后果,指出了选择整流设备电压应注意的问题。
The type selection of high voltage bushing in UHV transformer below air-cooling island and its operation and maintenance are discussed.
对运行在空冷岛下方的超高压变压器高压套管的选型及运行维护等进行了探讨。
This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.
文中详细论述了剩余电流动作保护装置的参数选用,安装要求,低压电网接地方式及安装施工要求等。
To solve these problems, a modified method is presented, which subdivides the voltage vector sectors and switching signal selection table, and optimized stator flux compensating voltage.
针对上述问题,给出了一种通过细化电压矢量合成扇区和开关信号选择表,优化定子磁链补偿电压的改进方法。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
The paper briefly introduces the design options, system configuration, equipment selection and engineering application of low-voltage short-line pilot protections in enterprise's power supply system.
简要介绍企业供电系统的低压短线路纵联保护设计方案、系统配置、设备选择及工程应用。
By using actual examples, this paper makes comparative analysis on the selection and application of the heat capacity at constant voltage in calculation of heat load.
文章通过实例对热负荷计算中恒压热容的选择和应用进行了分析对比。
In this paper, a 16 stages digital controlled DC stabilized voltage source based on LM317 is designed. Selection and realization of the adjustable resistance in this source is introduced.
以三端稳压集成电路LM317为基础,设计了一种16级数控直流稳压电源,介绍了该电源中可调电阻的选取与实现。
Improper selection and protection of low voltage cables will have direct impact on safety and reliability of the power supply system.
低压电缆如选择与保护不当,直接影响供电系统的安全性、可靠性。
It also gives out the criteria for selection of system parameters and studies the limit mode of over-voltage of working frequency under different conditions.
给出了系统参数选择的依据,研究了工频过电压在不同条件下的限制方式。
The application of phase selection close switch in low voltage electrical apparatus test was introduced.
介绍了低压电器产品试验中选相合闸开关的应用。
In engineering application, the selection of the synchronism voltage is usually according to the principle that the nearest voltages are prior.
在实际工程中,同期电压的取法采用的是“近区电压优先原则”,并使用相关的隔离开关和断路器的辅助触点来实现电压的切换。
Different LC filter parameter matching exerts a distinct influence to the harmonic voltage. Improper parameter selection may make filter unsatisfy the analysis request.
不同的LC滤波参数对输出电压的谐波含量影响很大,滤波参数选取不当会使滤波效果不能满足设计要求。
It is indicated that correct selection of the rated voltage and insulation level is of great importance to safe, fault-free operation of the high-voltage shunt capacitor in the power network.
并指出正确选择额定电压和绝缘水平对高压并联电容器在电网中安全、无故障运行的重要性。
The various selection methods of low voltage breaker when it was applied in distribution line, motor and lighting are introduced as well as the corresponding installation requirements.
介绍了低压断路器分别应用于配电线路、电动机和照明的选择方法,并就安装时应满足的具体要求作了阐述,提出了断路器在使用和维护过程中应注意的事。
The various selection methods of low voltage breaker when it was applied in distribution line, motor and lighting are introduced as well as the corresponding installation requirements.
介绍了低压断路器分别应用于配电线路、电动机和照明的选择方法,并就安装时应满足的具体要求作了阐述,提出了断路器在使用和维护过程中应注意的事。
应用推荐