无功功率是交流电力系统设计和运行中的一个重要因素，它与电力系统的安全稳定和经济运行息息相关。
Reactive power is a crucial factor for the design and operation of ac power systems, and is closely bound up with the safety, stabilization, and economical operation of the power system.
无功功率是交流电力系统设计和运行中的一个重要因素，为了减少电能损失，需要在电力用户端与电力系统的变电所内合理配置一定的无功补偿装置。
Workless power is an important factor in designing and running of alternating current system. A compensation device is needed in substation and the end users to save electricity.
随着系统规模和复杂程度的不断增加，传统的小信号稳定分析已经不能满足电力系统规划、设计和运行的需要。
Due to large scale and complexity, conventional small signal stability analysis cannot meet the demand of plan, design and operation of the power grid.
准确地辨识同步电机参数，是研究分析电力系统运行和控制系统设计的前提。
It is the precondition for investigating power system running and controlling system design to determine the electromagnetic parameters of synchronous electric machine exactly.
文中探讨概率潮流计算在电力系统规划设计和运行方式研究中的应用。
The application of probabilistic load flow analysis in power system planning and operation are investigated in this paper.
电力系统的系统设计、规划、运行和调度需要充分考虑系统的动态性能及其运行稳定性，即需要对其机电暂态过程进行仿真。
The dynamic characteristics and the stability of power systems need to be carefully considered in power system design, planning, and its operation and control.
大电力系统可靠性是一项复杂的系统工程，要在设计、运行、管理和用电过程各个环节精心策划。
Bulk power system reliability is a complex system, and it needs to be thought much and be planed carefully during the period of design, operation, management and consumption phases.
本文对我国电力系统的设计和运行由此可能获得的教益进行了讨论。
What learnings, benefiting to the design and operation of our native power systems, could be acquired will be discussed in thi…
系统的设计和应用将有助于对MOA状态进行检测和对历史数据进行查询分析，达到保证电力系统稳定运行的目的。
The application of this system will help to testing the status of MOA and the electric power system can run in the reliable state by inquire and analyse the historical data.
系统的设计和应用将有助于对MOA状态进行检测和对历史数据进行查询分析，达到保证电力系统稳定运行的目的。
The application of this system will help to testing the status of MOA and the electric power system can run in the reliable state by inquire and analyse the historical data.
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