负荷预测是电力系统运行和规划的依据。
Power system load forecasting is the foundation of power system operation and planning.
电力系统运行方式变化可视为网络操作。
A change of operation condition of power system can be viewed as a network operation.
安全稳定问题是电力系统运行的重要问题。
Security stability is very important in power system operation.
在电力系统运行中，维护潮流解是很重要的。
In power system operation, maintaining power flow solvability is important.
测量也是军用电力系统运行控制中的重要技术。
Frequency measurement also is important control technology in running military power system.
根据该模式，本文建立了电力系统运行方式优化模型。
A linear programming model for optimizing the operation scheme of the electric system is formulated.
电力系统运行包括了所有这些状态及其相互间的转移。
Electric power system operation to include all of these states and their inter-transfer.
电力系统可靠性是电力系统运行的一项重要衡量指标。
Reliability of power Systems is an important evaluation index for power system operation.
电力系统运行的稳定性是电力系统安全运行的基本要求。
Stabilization is the basic request for power system to safety operation.
发电厂厂用电系统及发变组是电力系统运行的重要基础。
Station service electrical system and generator-transformer block is of importance to the operation of power system.
提出的方法已应用于三峡电力系统运行规划的大量计算中。
This method has been put into use in the middle and long term operation planning of the Three Gorges Power System.
本次毕业设计题目为：电力系统运行稳定性问题分析与计算。
The graduation design topic for: the operation stability of power system analysis and calculation problem.
缺乏历史故障统计数据是电力系统运行风险评估中的突出难题。
Absence of statistical components' failure data is a great challenge for power system operation risk assessment.
安全稳定性和经济性一直以来都是电力系统运行管理的两大主题。
Security-stability and economics are the two topics for the power system operation and management.
中性点运行方式关系到电力系统运行的安全性、经济性和可靠性。
The running mode of neutral point of distribution network influences on security, economy and reliability of power system.
实验证明，该系统运行良好、精度高，能满足电力系统运行的需要。
It was shown that the system can work well with high precision and meet the requirements for electric power system to run safely and economically.
发电机机端是否应该装设断路器是电力系统运行部门特别关注的问题。
Whether the generator circuit breaker is to be installed at generator's outlet is a particular problem to which the operation department of power system should pay great attention.
机组组合是改善传统电力系统运行经济性和电力市场出清的重要手段。
Unit commitment is an important means to improve operational economic efficiency in traditional power systems and a critical market clearing tool of electricity market.
系统无功分布的合理与否直接影响电力系统运行的安全稳定性和经济性。
Power system reactive distributing influence on the system security stability and economy directly.
电力系统运行中，时常经受各种自然和人为的干扰，故障的发生难以避免。
The power system often suffers natural and artificial disturbances during operation, so malfunction is inevitab.
然而在电力市场环境下，电力系统运行的经济性与安全性的矛盾更加突出。
In the new electricity market environments, the conflict between transmission systems security and economical operation is more and more severe.
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.
电力系统频率是电能质量的重要指标之一，也是电力系统运行最重要的参数之一。
Electric power system frequency is an important indicator of power quality and is one of the most important parameters of power system operation.
电网中的高次谐波对电网有污染，抑制高次谐波是电力系统运行中的重要研究课题。
High frequency harmonic in electric power network can pollute the network, control high frequency harmonic is an important research problem in electrical system function.
针对电力系统运行方式复杂、时变的特点，提出了智能化暂态稳定评估与控制模型。
For the complex, time-varying characteristics of power system, a smart model for transient stability assessment and control is proposed.
负荷是电力系统运行和规划的依据，精确的预测可提高系统运行的可靠性和经济性。
Load is the foundation of the power system operation and planning. The precise load forecasting can improve the reliability and economy of the power system operation.
电力系统运行的基本任务是维持系统频率为计划值，且保证频率偏移不超过允许值。
The basic task of power system operation is to maintain frequency to its scheduled value and guarantee frequency error is in a limited range.
电力变压器运行状态评估是指导变压器状态检修及提高电力系统运行可靠性的重要手段。
Condition assessment of power transformers is an important approach to providing decision-making for condition maintenance and improving the operation reliability of power systems.
在电力系统运行中，由于设备的检修和运行方式的改变，必须经常进行系统的倒闸操作。
In the running process of power system, it needs do many switching operations for devices examined and the running way changed.
在电力系统运行中，由于设备的检修和运行方式的改变，必须经常进行系统的倒闸操作。
In the running process of power system, it needs do many switching operations for devices examined and the running way changed.
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