交流电源

It can run off of batteries or using an AC adaptor.

它可以运行过的电池或使用交流电源适配器。

The invention also discloses an alternating power source converting method.

本发明还公开一种交流电源转换方法。

The dimmer control circuit comprises: three-end bidirectional controllable silicon switch element, comprising grid and turned on by trigger signal of the grid, connecting to AC power supply through lamp load; and a first variable resistor, possessing adjustable resistance and regulating lamp brightness by following modes: changing resistance value of the first variable resistor, changing phase of the trigger signal corresponding to AC voltage waveform, prolonging or shortening turning-on time bucket of three-end bidirectional controllable silicon switch element, thereby changing current provided to the lamp load.

一种调光器及调光控制电路，该调光控制电路包括：三端双向可控硅开关元件，其通过灯负载连接到交流电源，其中，三端双向可控硅开关元件具有栅极，并且由输入到所述栅极的触发信号开启；以及第一可变电阻器，其具有可调节的电阻值，其中，通过以下方式来调节灯负载的亮度：改变第一可变电阻器的电阻值，改变所述触发信号相对于交流电压波形的相位，延长或缩短所述三端双向可控硅开关元件的开启时间段，从而改变了提供给所述灯负载的电流。

A battery which provides power to your phone system when the main AC power fails especially during blackouts and brownouts.

当电话系统主用交流电源故障，尤其是灯火管制或部分灯火管制时，电池备份将为你的电话系统提供电源供电。

The mathematic simulation software compiled by this paper has been used to simulate the basic characteristics of the main parts of the aircraft ac EPGS, include the permanent brushless dc generators , the exciters with rotating rectifiers, the brushless ac generators, the brushless dc generators, the inverters and the automatic voltage regulators .

运用本文建立的数字仿真软件对飞机交流电源系统的主要部件，包括永磁无刷直流发电机、旋转整流励磁系统、无刷交流和直流发电机、逆变器和调压器的基本特性进行了研究。

As follows: the closure of access to a computer BIOS power management features, not the notebook computers with low-voltage protection, unplug the AC power, only the use of battery-powered, and then boot the battery completely run out, the last full battery.

方法如下：进入电脑 BIOS 关闭电源管理功能，不让笔记本电脑具备低电压保护功能，拔掉交流电源，仅仅使用电池供电，然后开机将电池完全耗尽，最后充满电池。

If Puchi Meister BSA 1409D-pump lubrication system, equipped with a 380 V AC power-driven pumps grease, but at the same time there are 24 V power grease pump and hydraulic-driven pumps grease.

如普茨麦斯特BSA 1409D型泵车的润滑系统中，就配备了一个380V交流电源驱动的润滑脂泵，但同时还有24V电源的润滑脂泵和液压驱动的润滑脂泵。

The primary application of rectifiers is to derive DC power from an AC supply.

整流器的主应用程式是从一个交流电源直流电源。

The stone bridges and tile-roofed houses in my paintings show no traces of the passage of time; they represent their eternal structures

我所画的石桥瓦舍，应是剔除岁月沧桑的永恒的构造电阻温度计电桥的供电可以是交流电源，也可以是直流电源。

It then changes DC power to AC power so that your pda can utilize it.

然后它改变为直流电源交流电源，使您的PDA可以利用它。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。