Plug DC power into charger, 4 indicators are light, LED is green(no battery)
没有电池情况下，接上电源，4个指示灯是亮的，LED为绿色。
It may be as simple as connecting it to a bank of capacitors and then running that through an inverter to convert that DC power into usable ac.
它可能会像连接到一个简单的电容器银行然后运行，通过一个逆变器的直流电源转换成可用交流电。
The company manufactures power inverters necessary to convert the DC power generated by solar panels into the ac power required for most USES.
公司生产电力逆变器，把太阳能生成的直流电源转换为使用最多最需要的交流电源。
Switching converter may translate one kind of DC electric power into another or more one, and is the main part of DC switching power supply.
开关变换器能够将一种直流电能转换成另一种或多种直流电能，是直流开关电源的主要组成部分。
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。
DC DC convertors can convert the EV's high voltage DC power supply into the low voltage DC power supply. In order to design an excellent convertor one must be guided by theory of automatic control.
为了设计出在电动汽车上把高压直流电源变换成低压直流电源的高品质DC DC变换器，采用自动控制理论进行指导。
The proportion of power lost as heat into the atmosphere will also decline as DC links have smaller losses than AC over long distances.
作为热量传到大气中的电力损失比例也将下降，因为直流传输线在长距离传输中比交流传输线损失更少。
The active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.
将有源功率因数校正技术引入UPQC直流储能单元的电压控制。
Using the DC power carrier technology, the signal was modulated into the power wire, which can not only reduce the wiring cost, but also improve the system reliability.
通讯采用直流电源载波方法，信号线与电源线公用，不仅降低了布线成本，而且提高了系统可靠性。
Active inverter can convent DC into ac and send it back to the power network, so that reclaim the electricity energy.
有源逆变器可以将直流电能转变为交流电能反馈给电网，从而实现电能的回收再利用。
The LDC filter is introduced into a rc welding inverter power source and the voltage ripple of the DC line is decreased.
在弧焊逆变电源中采用LD C滤波电路，可以降低直流线上的电压纹波。
This paper analyzes why dc system ground fault causes power unit outage and proposes improvement plans. The prevention measures are put into effect.
文章分析了直流接地引起主机停运的原因，并提出了改进方案，实施了防范措施。
High voltage low power DC-DC converter is designed for converting low voltage DC current into high voltage one.
高电压小功率DC - DC电源变换装置，是一种利用低压直流电源产生高电压的电源装置。
PV grid-connected inverter solar cell output DC into AC meet the requirements of the public grid and into the power grid equipment.
光伏并网逆变器是将太阳能电池所输出的直流电转换成符合公共电网要求的交流电并送入电网的设备。
The DC/AC conversion section converts a direct current inputted from a direct current power source into an alternating current, and outputs the alternating current.
该DC /AC转换部分直接转换为电流输入由直流电源成交流电，并输出交流电。
Thus, the object of the power system analysis software has been changed from AC power system into AC-DC hybrid power system, which requires the software for the AC power system to be improved.
这样，电力系统分析软件的分析对象从纯交流系统变为交直流混联电力系统，这就要求对纯交流系统的分析软件进行改进。
Such problems as the attenuation of DC elements and Sine waveform, voltage sag and frequency deviation should be taken into account in order to analyze the transient process in the power system.
要分析电网的暂态特性，还必须考虑衰减直流分量和衰减正弦波，以及电压缺口和频率偏移等问题。
To enhance the performance of UPQC, active power factor correction (APFC) technology is introduced into the DC energy storage unit of UPQC for capacitive voltage control.
为了进一步提高UPQC的性能，将有源功率因数校正(APFC)技术引入UPQC直流储能单元的直流电容电压控制，详细阐述了其工作原理，并给出了仿真实验结果。
Using the DC power carrier technology, the signal is modulated into the power wire, which can reduce the wiring cost and improve the system reliability.
信号线与电源线公用。由此，不仅降低了布线成本，而且提高了系统可靠性。
It can be predicted that, as the renewable energies increasingly connect into the power grids, the future power grids will shift from AC to DC.
可以预计，随着可再生能源日益成规模地接5入电网，未来电网将实现从交流运行模式向直流运行模式的转变。
It can be predicted that, as the renewable energies increasingly connect into the power grids, the future power grids will shift from AC to DC.
可以预计，随着可再生能源日益成规模地接5入电网，未来电网将实现从交流运行模式向直流运行模式的转变。
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