This paper researches on the static stability of the AC/DC power system.
本文主要进行交直流联合系统静态电压稳定性的研究。
DC circuit breakers are the most important protection equipments for DC power system.
直流断路器是直流供电系统中极其重要的保护设备。
If the DC power system failure, often caused the entire communications were totally disrupted.
如果电源系统发生直流故障，常常会造成整个通信的全部中断。
Some insulation detection methods, which used in power system for DC power system is introduced.
介绍了电力用直流电源系统中绝缘检测采用的几种方法，并对各种方法进行了分析比较。
The robust adaptive control law is proposed for a HVDC power modulation controller of the interconnected AC/DC power system.
设计了应用于交直流互联电力系统的直流功率调制的非线性鲁棒自适应控制器。
As the large fault current occurs in DC power system, the paper makes use of IGBT to design a new type DC fault current limiter.
针对直流电网短路故障时迅速产生的短路电流，利用IGBT器件为核心，设计出一种新型的直流短路电网限流装置并阐述了其工作原理。
A new segment solution for solving load margin of AC/DC power system is proposed in this paper based on continuation method and interior point algorithm.
基于连续潮流法和原始一对偶内点法，提出了一种新的分段求解交直流系统负荷裕度方法。
Second, by means of the transient stability calculation for single and multiple faults, the stability of Guangdong power grid as a multiinfeed AC/DC power system is studied.
其次，通过对发生单重和多重故障时的暂态稳定计算，研究了作为多回直流受端系统的广东电网在发生直流双极闭锁故障时的运行稳定性问题。
The DC power system is determined to be composed of the main monitoring system , the DC insulation monitoring system and the parameter monitoring system with a blocking structure.
确定模块式结构的直流屏电源监控装置，分为主监控单元、绝缘检测单元、系统参数监控单元、电池巡检单元。
High frequency switching power supply adopting soft switching technology, which has reliable high efficiency and long use time performances becomes the important part of DC power system.
基于软开关技术的高频开关电源因其性能可靠、效率高、寿命长等优点，成为了现代电力操作电源系统中的重要组成部分。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡（SSO）模态阻尼的影响。
The optimal design of HVDC control and protection parameters in the case of large-scale ac and DC power system network is a valid measure to ensure achieving good transient and stable performance.
对大规模交直流网络下的高压直流控制保护系统进行参数优化设计，是保证灵活交流输电系统暂态性和稳定性良好的重要手段。
The DC power system plays an important role in the power stations and substations. So, the integrated on-line DC power management system will have some practical merits in engineering application.
直流系统是发电厂、变电站中十分重要的配套系统，直流电源在线综合管理系统具有一定的工程实用价值。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
The system generates a direct current, so using it to power DC devices locally is more efficient than switching to the alternating current needed to feed it back to the grid.
该系统产生的电流为直流电，所以用来驱动本地的直流点装置比将其转化为交流电输入电网来的更有效率。
It will hold six batteries for power storage and will use a 120V DC power distribution system, compared to Apollo’s three-battery storage and 28V DC system.
与阿波罗的3个电池储备和28伏的直流系统相比，猎户飞船将有6个电池的电力储存，使用120伏的直流电源分配系统。
The Southwest power Pool of Texas is designing an integrated system of DC and AC transmission to enable development of 10 GW of wind power in western Texas.
德州的西南电力联营(Southwest Power Pool)正在设计一个直流交流综合系统使在西德克萨斯州的1千亿瓦的风力发电产物能传输出去。
Using a permanent-magnet generator, the system delivers up to 400 amps of 28-volt DC electric power at low engine speed.
由于使用了永磁体发电机，CMPS系统可以在低功率速度下，提供最高400安培28伏特直流电源。
About 84 GW of photovoltaics and concentrated solar power plants would be built by 2020. In parallel, the DC transmission system would be laid.
约能生产8400亿瓦的聚光太阳能发电及太阳能电池厂将会在2020年建成，与此同时直流电传输系统也有了一定基础。
For dependability, security of the power plant and transformer substation with DC system, offer effective measuring and maintenance means.
为发电厂和变电站直流系统的可靠性、安全性，提供有效的检测和维护的手段。
In 1998, it produced DC motor to drag piston compressor split type electric air conditioning system, solved the adaptability problem in complex trolleybus 's power supply system.
1998年，生产出直流电机拖动活塞式压缩机的分体式电车空调系统，成功解决了空调在复杂的乌龟电车点系统中的适应性问题。
DC motors work as power device of the hydraulic system in the project machinery, mainly matched with hydraulic pump.
直流电动机工作电源装置的液压系统中的工程机械，主要是配合液压泵。
Discusses the DC manostat used in the DC system at Yimin Power Plant in terms of safety and reliability.
以安全性与可靠性相统一的原则，对伊敏电厂直流系统中采用的直流稳压器进行探讨。
The problem is discussed on connecting between management unit of DC control power system and field bus of the substation automation system.
对直流系统管理单元纳入变电所综合自动化系统现场总线进行了研究。
In this paper, a kind of high accuracy DC rectification power system for hybrid excitation synchronous generator is researched.
研究了一种复合励磁同步发电机用的高精度直流整流电源，详细介绍了该系统的设计方案及其控制策略。
According to the design demand of DC power supply panel in engineering, this paper introduces the selection of rectification DC rectification power system with high-frequency switch.
针对工程中对直流电源屏的设计需要，简要介绍了高频开关整流电源直流系统的选择。
Then both control scheme and operating principle of a double closed loop AC/DC power converter system are discussed by using physics.
在此基础上，提出了双向AC／DC功率变换器的一种双闭环系统控制结构，并从物理概念出发讨论了系统的工作原理。
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。
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。
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。
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