• It is common for the direct current circuit to be interfered by alternating current voltage.

    直流回路受到交流电压干扰,控制回路中容易产生的现象。

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  • Step down transformers provide low voltage AC power for lighting, instruments and other circuits that use alternating current at a lower voltage.

    降压变压器低压AC电源提供照明仪器仪表其他使用交流电一个较低的电压的电路

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  • In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.

    可编程控制器高于24V直流电压等级控制回路应用时需解决输入模块的电压变换谐波干扰等问题

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  • The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.

    伏特量交流电路电压电流有效值以及电流与电压之间相位角余弦之乘积

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  • Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. surge and harmonic wave are the main manifestation.

    正弦交流波电路上电压电流一种瞬时态的畸变。浪涌、谐波主要表现形式

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  • Power supply or circuit capable of regulating either alternating or direct current within 5% of desired value, and limiting the open circuit (source) voltage to 20 millivolts maximum.

    电源调节交流直流电流在期望值5%之内的,控制开路电压最大20毫伏的路。

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  • High power factor stabilized voltage supply is a kind of high performance alternating current power supply which can not only steady the output voltage but also enhance the input power factor.

    功率因数稳压电源起到稳压作用可以提高电源输入端功率因数的高性能交流电源

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  • MSP430F449 has abundant internal resource, but itself 12 b A/DC negative pole reference voltage can′t be lower than 0V. It has brought the difficulty in measuring alternating current signal.

    MSP430F449单片机内部资源丰富但是他本身自带的12位A/DC参考电压中的负极最低不能小于0V电压,对于交流信号的测量带来困难

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  • As early as the end of 19th century, people had discovered the distortion problem of voltage and current existing in the distribution system when the alternating current arisen as a newly motive form.

    19世纪末交流电一种新兴动力形式出现时,人们发现系统电压电流存在畸变问题

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  • The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.

    控制柜主要包括步进电机、自调压器交流接触器继电器以及微型互感器等

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  • Because inorganic thin film EL has no blue color component and must work in alternating current with high voltage up to 100V, fabrication of color super-thin displays will be difficult;

    由于无机薄膜EL缺乏亮度基色成分以及驱动电压是1 0 0V左右的交流难于制成低压彩色超薄显示器

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  • The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.

    改进型不配整流变压器三相交流电源直接整流获得直流电压

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  • The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.

    改进型不配整流变压器三相交流电源直接整流获得直流电压

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