ac power supply

test results demonstrate that the ac switch power supply has some advantages, such as simple topology, high power density, uninterruptible power supply, high power factor, fast dynamical response, strong sustaining ability under over-load and short-circuit, and small thd of output voltage.

试验结果表明，这类交流开关电源具有拓扑简洁、功率密度高、不间断供电、功率因数高、动态响应快、过载和短路能力强、输出波形THD小等优点。

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When a new clean AC power supply is designed, it is very necessary to know the relationship between the equivalent induction and the thyristor turn-on angle.

在设计新型交流净化电源时，掌握等效电感和双向晶闸管延迟导通角之间的关系很重要。

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based on working principle of pump circuit, this paper offers a design method of generator instability fault protector for ac power supply system of a certain airplane and gives the specific hardware circuit.

在阐述二极管泵电路工作原理的基础上，针对某型飞机交流供电系统，提出了一种不稳定故障保护器的设计方法，并给出了具体的硬件电路。

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discussion on design of ac uninterrupted power supply for telecommunications

通信系统交流不间断供电的设计探讨

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the engineer measured the harmonic content of an ac power supply.

工程师测量了交流电源的谐波含量。

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in this paper, a back-to-back pwm converter is considered as the optimum scheme of ac excitation power supply and its operation principle and control strategy are discussed in detail.

在分析了其他变频器的局限性后，指出了双PWM变频器是交流励磁的最佳电源方案，详细地讨论了电压型双PWM变频器的工作原理与控制策略。

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a novel precise ac stabilized power supply

新型精密交流稳压电源

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An AC/ DC power supply for high power lighting LED is proposed.

提出了一种使用市电的大功率LED照明整流电源的电路方案。

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the application of non-symmetrical ac power supply in the operation of gold electrolysis

非对称交流电源在金电解生产中的应用

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in this paper, the application of dsp and repetitive control technology in ac power supply for test is introduced.

介绍了DSP及重复控制技术在测试用交流电源中的应用。

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this thesis studies a frequency-variation controlled ac bus distributed power supply.

本文研究了一个变频控制的交流母线分布式结构的辅助电源。

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The station control level is led 2-circuit AC power supply through different buses, through isolating transformer to UPS with single-phase з-line power output to eath user.

站级控制层由不同母线引入2路交流电源，经隔离变至UPS后输出单相三线电源至各用电设备。

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a stable ac current power supply circuit based on current closed-loop feedback control is brought forward in this paper and how to design the circuit is also emphatically introduced.

文中提出了一种采用电流闭环反馈控制的交流恒流源电路，重点介绍了该电路的设计思想。

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finally, we test the ac power supply and analyze the test results, and the results accord with the design requirements.

最后，对样机进行了实验测试，并对试验结果进行分析，实验结果完全符合设计要求。

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This AC power supply effectively solves the problem of triac circulating current while commutating. It makes AC voltage stabilization able to be realized when voltage is fluctuated and load is varied. The precision of AC output is ± 1%.

这种稳压电源有效地解决了双向晶闸管的换向环流问题，可以在电网电压波动和负载轻重变化时实现稳压，其稳压精度为±1%

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The utility model relates to a rotary two-pole flat plug, suitable for a two-hole and three-hole flat jack socket using an AC power supply.

一种可旋转的二极扁插头，适用于交流电源两、三眼扁插孔插座。

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Uninterrupted AC Power Supply Solution in Telecom Power System

通信电源系统交流不间断供电方案

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This paper introduces a simple, reliable AC power supply with constant voltage and frequency. The supply consists of a DC motor-AC generator set, a automatic voltage regulator ( AYR), and a automatic frequency regulator ( AFR).

本文介绍一种简单可靠的恒压恒频交流电源装置，它由直流电动机-交流发电机组、自动电压调节器AVR及自动频率调节器AFR组成。

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ac/ ad switching power supply circuit without medium dc link

无中间直流环节的AC/DC开关电源

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with the rapid development of internet technology in the communication industry, profound change has been taking place in ac power supply which is to support the end equipment in the communication internet.

随着互联网技术在通信业中的快速发展，支持通信互联网终端设备的交流电源正在发生深远的变化。

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the robot can operate from an ac power supply.

这个机器人可以由交流电源供电运行。

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do not staple or otherwise attach the ac power supply cord to building surface

不要把交流电源线固定或附于建筑物的表面

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this paper presents a novel ac voltage stabilized power supply.

提出了一种新颖的交流稳压电源。

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leo learned the ac dc power supply principle in class.

利奥在课堂上学习了交流直流电源原理。

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the engineer checked the ac power supply panel carefully.

工程师仔细检查了交流电源配电盘。

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the label shows the rated ac output of the power supply.

标签上显示了电源的额定交流输出。

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this paper introduces an ac traction power supply model with multi-conductor approach and its application on a multi-train simulation suite in which calculation of currents and voltages is coupled with train movement.

介绍了多导体模式下的AC（交流电）供电模型，并利用该模型开发了用于求解列车电流、电压的仿真系统，最后通过具体的案例给出了牵引供电仿真计算的结果。

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as an application of waveform generator, the power frequency signal source has been widely used in three-phase ac power supply and meter calibration device.

工频信号源属于信号发生器技术的一种应用，它被广泛用于电表校验装置中。

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the result suggested that the designed rectangular pulse ac power supply could satisfy the requirements above.

结果表明，所设计的矩形波脉冲交流电源能够满足以上要求。

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analysis of the equivalent inductance in the clean ac power supply

交流净化电源中等效电感的分析

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