The improved AC/DC comparator consists of a self balancing DC comparator and an electronically compensated AC transformer.
这种新型电流比较仪实际上包含了自平衡直流比较仪和电子补偿式交流电流互感器的所有功能。
Ac current probe act as a current transformer which the core can be opened and clamped on a current carrying conductor.
交流电流探头是利用电流变压器的原理来测试电流的﹐它的中心部分可以打开和卡紧在有电流流过的导线上。
Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.
系统采用软件方式实时计算交流传动系统的运行参数，包括变压器、四象限整流器、直流中间回路、逆变器、电机及负载。
It introduces the working theory of AC manostat of compensated transformer mode, the design of the hardware circuit and the function of the software.
介绍了补偿变压器方式的交流稳压器的工作原理、硬件电路的设计和软件的功能。
In most cases it is derived from the AC mains by means of a transformer and rectifier.
大多数情况下直流电是从交流电通过变压器和整流器而来的。
A kind of medium voltage AC variable frequency control system, which consists of voltage source inverter, sinuous filter and stepup transformer with variable frequency, is introduced.
介绍一种采用低压电压型变频器、正弦波滤波器和变频升压变压器构成的低-高式中压变频控制系统。
AC current meter PA1: indicating primary current of rectifier transformer.
交流电流表pa 1：指示整流变压器一次电流。
Capacity electron switch self coupling ac regulator, it is composed of twain class switch by BTA, that two self coupling transformer.
智能电子开关自耦交流稳压电源由两只自耦变压器组成两级调节方式。
This kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer , ac regulator, and wave converter etc.
为新一代正弦交流稳压器、电子变压器、交流调压器、同频波形变换器的实现奠定了关键技术基础。
This kind of converter lay the key technical foundation on new type electronic transformer, regulated sinusoidal ac power supply, ac regulator.
为新一代正弦交流稳压器、电子变压器、交流调压器的实现奠定了关键技术基础。
The structure and operation principle of DC motor, AC motor, control motor and transformer are introduced in this course.
本课程主要介绍直流电动机、交流电动机、控制电机和变压器的基本结构、工作原理；
This paper introduces the principle and characteristic of the air-core coil current transformer, designs AC-sampling and processing circuit, and introduces the process of software detail.
介绍了空心线圈电流互感器的工作原理和特点，设计了适于此种互感器的交流采样和处理电路，详细介绍了软件的处理过程。
One of the transformer windings is connected to a source of ac electric power , and the second transformer winging supplies electric power to loads .
变压器的绕组之一，是连接到交流电源，第二个是给用电器提供电源。
Electric power is output to the oil tube, which is connected with the bushing by the oil bushing connecter on the bottom of the oil tube, via a 3-phase transformer after AC-DC-AC inverse circuit.
电能由三相配电变压器经AC DC AC逆变电路输出传送到油管，经油管下部的油套管接触器连接到套管，形成一个完整的回路。
T3 on sampling signal panel is sampling transformer, which can convert primary voltage (0 ~ 380v) of primary transformer into 0 ~ 10v AC voltage.
取样信号板上T3为取样变压器，将整流变压器一次电压(0 ~ 380v)变为0 ~10v交流电压。
The electric secondary AC circuit detection method can check secondary circuits such as the transformer and the bus differential protection of a transformer substation.
本发明可实现对变电站的变压器、母差保护等二次回路的检验。
An electrical power transformer that converts 220-250 volts AC current to high voltage DC.
一个把220 ~ 250伏交流电转化成高压直流电的变压器。
The topology of dynamic voltage restorer is proposed for power quality improvement, which is composed of PWM AC chopper and power transformer.
为改善电能质量，提出了一种由PWM交流斩波变换器和变压器组成的动态电压恢复器电路拓扑。
In this paper a new voltage compensator in electric distribution system is discussed, the design employs a PWM AC-AC converter (4, IGBTs per-phase) along with an auto-transformer.
介绍在配电系统中一种新型的电压补偿器，即在自耦变压器中集成pwmAC - AC变换器(每相4个IGBT元件)。
Therefore, application of the single-direction thyristor in AC electric transformer circuit becomes of simplification and standardization.
从而使单向可控硅在交流电力变压电路中使用简单化、标准化。
Therefore, application of the single-direction thyristor in AC electric transformer circuit becomes of simplification and standardization.
从而使单向可控硅在交流电力变压电路中使用简单化、标准化。
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