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 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。
You have the right to remain silent and refuse to answer questions. Any AC system you do design for any project may be used against you in the Court of Human Development and Environmental Protection.
你有权保持沉默,也可以拒绝回答问题,但你所做的任何一个项目的任何一个空调系统,都将可能被作为人类发展和环境保护法庭对你不利的证据。
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。
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。
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。
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。
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 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。
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。