Low voltage AC system operating voltages from 120 to 600 VAC.
低压交流电系统中从120到600VAC的电压称为低压。
Energy conservation of AC system is commonly concerned by people.
空调系统的节能是人们普遍关心的问题。
Medium voltage AC system operating voltages from 601 to 15000 VAC.
中压交流电系统中从601到15000VAC的电压称为中压。
One, it acts as a filter, filtering out particles as they travel around the AC system.
它主要有三个功能：首先，它像是一个过滤器，颗粒在穿过AC系统时会被过滤出来。
Results show that the novel system can better the commutation and probably be used to the weak AC system.
新型直流输电系统改善了换相特性，还可能应用到弱交流系统中。
The faults of HVDC power transmission system make the electrical characteristics of AC system more complex.
故障的直流输电系统中的电气特性的交流系统更复杂。
The influences of load models on transient stability of a multi-infeed DC and AC system are analyzed at length.
分析负荷模型对多馈入交直流系统功角稳定性的影响。
The DC system is normally supplied from a battery charger system, which is supplied from the low voltage AC system.
直流系统通常由蓄电池充电系统供电，蓄电池充电系统由低压交流系统供电。
The paper summarizes the effect of AC system on underground pipelines. Some measures on how to avoid its interference are put forward.
综述交流电力线路对埋地管道交流干扰的危害，提出防止危害的几条措施。
The high voltage direct current (HVDC) system connected with weak AC system is considered to be one of the causes for voltage instability.
与弱交流系统相连的高压直流系统被认为是引起电压不稳定的一个因素，评价交直流系统电压稳定性的方法相当复杂。
The harmonic components are merely shifted into the higher frequency range and are automatically filtered due to inductances in the ac system.
谐波成分只是转移到更高的频 率范围，并且由于电感的交流系统自动地过滤。
In AC system, working voltage not more than 1.1 times of rated voltage. In DC system, working voltage not more than 1.5 times of rated voltage.
交流系统中，工作电压不大于额定电压1.1倍，直流系统中，工作电压不大于额定电压1.5倍。
A novel index named comprehensive unit interaction factor is proposed to quantify the torsional interaction in an ac system with multiple HVDC converters.
提出了一种衡量多换流站系统机组扭振作用的新指标一综合机组作用系数。
At the same time, problems of the DC grounding system are valuable because it is not only significant in HVDC operation but also affects the AC system nearby.
同时，直流接地极关系着高压直流输电系统的安全运行，对于附近的交流系统也有影响，其中的一些问题也十分值得研究。
The UHVDC power transmission project from Yunnan to Guangdong is embedded into ac system, so the Yunnan power grid at the sending end will face with challenges.
云南-广东特高压直流嵌入交流系统运行，将使送端云南电网面临诸多挑战。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
当交流系统发生三相不对称故障时，忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
Through decades of the hard work, the flow calculation for AC system has been quiet mature, among which the most commonly used are the Newton method and PQ Decomposition.
经过电力科技工作者们几十年的研究，纯交流系统的潮流算法现在已经相当成熟，其中最常用的是牛顿法和PQ分解法。
According to the characteristics of intelligent office building's cooling load, analyses the available model of ice storage ac system, and briefly narrates it's existent problems.
根据智能化办公大楼负荷的特点，分析其适用的冰蓄冷空调模式，并简述其优缺点。
Discussed the cooling method of ac system in the high-density it room, and the concept of green data center. In addition, the actual effect of design had been verified by CFD simulation.
论述了高密度机房空调系统的冷却方式，以及绿色数据中心的概念，并采用CFD模拟论证了设计的实际效果。
The low voltage DC system is one of the most important equipments in converter station, which is closely associated with the safety and stability of DC transmission system and correlative AC system.
低压直流输电系统是换流站内重要设备之一，直接影响到整个直流输电系统及相关交流系统的安全稳定运行。
It is based on the unified iterative method and gives a complete consideration to the coupling relations between AC system and DC system, so its convergence is as good as the unified iterative method.
该算法基于统一迭代法，完整考虑了交、直流系统间的耦合关系，因此，它与统一迭代法一样，具有良好的收敛性。
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。
No system is more efficient at converting photons to grid-ready AC power.
不经光子转交流电源系统效率更高。
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。
Nissan's hybrid FUGA car is already using the 'Forest AC' air conditioning system which is designed to recreate 'the refreshing breezes, temperature, humidity and aroma of natural forests'.
日产混合动力风雅（FUGA）汽车已经配备了‘森林交流’（Forest AC）空气调节系统，其设计目的是在车内模拟自然森林的清新微风、温度、湿度和气味。
The paper analyzes the operation of electronic gear in the digital AC servo system, introduces the principle of the electronic gear.
文章分析了数字式交流伺服系统中的电子齿轮环节的作用，介绍了电子齿轮的基本原理。
Induction heating system elements, including induction coil, an AC power source and the workpiece.
感应加热系统的基本组成包括感应线圈、交流电源和工件。
Induction heating system elements, including induction coil, an AC power source and the workpiece.
感应加热系统的基本组成包括感应线圈、交流电源和工件。
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