To be able to provide 220VAC electrical power, solar power generation system needs to be issued by the exchange of DC can be converted into electrical energy, so need to use the DC-AC inverter.
为能向220VAC的电器提供电能，需要将太阳能发电系统所发出的直流电能转换成交流电能，因此需要使用DC-AC逆变器。
It can improve the reliability and quality of the high voltage DC electrical system of airplane to adopt modular power supplies to construct a secondary distributed power system.
采用模块电源构成飞机高压直流电气系统的二次电源分布式系统，可提高供电可靠性和供电质量。
After test, the designed power supply performs well, works safely and has high precision, which is an ideal DC stabilized voltage supply for varieties of electrical devices.
经测试，该电源性能好、精度高、工作可靠，是多种电子设备的理想直流稳压电源。
In the paper, an electrical power system of base station is introduced in detail, including AC power supply system, DC power supply system and earthing system.
文中介绍了通信基站的电源系统，包括交流供电系统、直流供电系统和接地系统，论述了等电位在基站建设中的重要性。
To warrant reliability of DC operation power electrical supply, all-round monitoring to parameter of storage battery operation is necessary.
为保证直流操作电源供电的可靠性，必须对蓄电池组运行参数进行全面的监测。
It can be used in fields such as insulation test of high voltage equipments, DC power transmission system, static electrical equipments.
它在高压设备电气绝缘测试、直流高压输电和静电设备上均有良好的应用前景。
The significance of electrical protection and definite value of DC traction power supply system for metro is illustrated.
阐明地铁直流牵引供电系统电气保护设置与定值的重要性，着重论述地铁电气保护设置的主要原则。
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。
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。
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