Power system load forecast, which is the base of power market technique supporting system, is an essential part of power system operation, control and planning.
电力系统负荷预测是电力系统运行、控制和规划不可缺少的一部分，是电力市场技术支持系统的基础。
In modern power systems, energy control centers play a vital role in guaranteeing the security and optimal operation of a power network system.
在现代电力系统中，能量控制中心在保证电网安全和优化运行的过程中起着关键的作用。
The AGC system operation demand of Guangdong power grid is analyzed. The principle, process and control types of AGC are introduced.
结合广东电网的AGC系统运行需求进行了分析，介绍了AGC控制基本原理、过程和控制类型。
The simulator can be used in feasibility study for designing load frequency control system and simulating power system operation.
程序主要用于电网自动调频系统设计的可行性研究以及对电网运行的动态模拟。
Supervise and support the installation, modification, testing and operation of the distributed control system of power factory.
对电厂的分散控制系统的安装，调试，操作进行监督和指导。
In this paper, an introduction of its applications in power system transient stability analysis and control, planning of switching operation, and disturbance diagnosis is presented.
文中对多代理技术目前在电力系统暂态稳定分析与控制、倒闸计划和故障诊断等方面的应用做了概要介绍。
A lighting supervisory control system of railway stations based on power line carrier communication technology is introduced with its operation principle, system structure and engineering application.
介绍了一种基于电力载波通信技术的铁路车站照明监控系统的工作原理和组成，并以工程为例说明系统的实际应用情况。
PID regulator is the most primary control strategy in heat power engineering system and it directly influences the safe and economical operation of units.
火力发电厂中的热工系统是一个复杂的系统，PID调节器是热工系统最主要的控制策略，直接影响机组的安全、经济运行。
The coordinating control system and the pre commissioning operation of the Waigaoqiao Power Plant's No. 2 unit are described.
介绍了外高桥电厂2号机组的协调控制系统方式及试运情况，运行状况良好。
In view of the operation situation of valve-control sealed battery in power system, some practical maintenance methods are presented in this paper and their feasibility is discussed.
针对阀控密封式铅酸蓄电池在电力系统的使用情况，介绍了几种实用的维护方法，并进行了可行性探讨。
The control and protection system in DC power distribution systems plays a very important role in ensuring the mass transit railway safe and reliable operation.
直流供电的控制和保护系统对确保轨道交通的安全、可靠的运行，具有举足轻重的作用。
In operation process of the power plant, when the trip trouble happened in its main auxiliary units, its automatic control system can lower the load quickly and safely.
在电厂机组运行中，其主要辅机故障脱扣，自动控制系统能快速、安全降负荷并稳定机组运行。
Accurate and fast estimation of electric frequency is the basis of operation, control, and regulation of power system and electric equipments.
电频率快速、准确测量是电网及电气设备运行、控制、调节的基础。
In power system, the control and protection function of high-voltage switchgear is of most emergent importance to the safety operation of power network.
在电力系统中，高压开关的控制和保护作用，对电网的安全运行至关重要。
The experimental results of proposed power quality control system in restraining harmonic voltage and of its synchronous operation with a power system are presented.
通过电能质量控制系统与电网间同步运行试验和谐波电压抑制试验，实现了逆变器与电网的同步运行控制以及负载谐波抑制控制。
A new robust control scheme, which can be used for decentralized generator excitation systems and can effectively improve operation stability of warship electro-power system, is proposed.
提出了一种能够有效提高舰船电力系统稳定性的分散鲁棒控制策略。
The dynamic characteristics and the stability of power systems need to be carefully considered in power system design, planning, and its operation and control.
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 poor operation flexibility and reliability of the original coal conveyer control system in Shajiao a Power Station necessitated a reconstruction of the system.
针对沙角A电厂原输煤控制系统动作不灵活，可靠性不高的问题，说明必须对输煤控制系统进行改造。
Secondly, this paper described high-power DC drive system operation and control mechanism, and developed a system's overall program.
其次，总结阐述了大功率直流调速系统的运行和控制机理，并且制定了系统的总体方案。
Reactive power optimization is one of the most control methods to ensure power system operation securely and economically, and an effective measure to improve the voltage profile and reduce the loss.
电力系统无功优化是保证系统安全、经济运行的一项有效手段，是降低网损、提高电压质量的重要措施。
An experiment system was built to verify this control scheme, and the results indicate the precise power balance performance for parallel operation.
一个实验系统的建立是为了验证这种控制方案，结果表明，精确的功率平衡性能的并行操作。
Abstract: in view of the operation situation of valve-control sealed battery in power system, some practical maintenance methods are presented in this paper and their feasibility is discussed.
文摘：针对阀控密封式铅酸蓄电池在电力系统的使用情况，介绍了几种实用的维护方法，并进行了可行性探讨。
This paper describes the system structure and basic operation principle of the series active power filter, and its control method and control circuit are studied and analyzed.
介绍了串联型电力有源滤波器的系统结构和基本工作原理，对其控制方法和控制电路进行了分析和研究。
The operation process and primary principle of the FAF CO2 laser control system are analyzed in detail. The theories are mainly studied of the pressure control system and the power control system.
详细分析了轴快流co2激光器控制系统的工作原理及过程，着重研究了气压控制系统以及功率控制系统的原理。
Ensuring the quality of the main steam temperature control system is an essential part for the unit plant's safe and economical operation in the power plant.
在电厂锅炉运行中，保证主汽温控制系统的控制品质是机组经济安全运行不可缺少的环节。
Features: use computer operation system, micro computer control, full digitals set, has manual and automatic loading, can accurately test current, voltage, torque, power and efficiency and save.
特点：采用计算机操作系统，微电脑控制、全数字设定，有手动或自动加载。对电流、电压、转矩、功率、效率参数进行准确测试并打印、储存。
Dynamic simulation is not only the basic tool for the analysis and control of power system dynamic security, but also the key reference for system operation in a power dispatching center.
电力系统动态仿真既是 电力系统动态安全分析与控制的基本工具，也是电网调度部门指导 电力 生产的主要依据，因此，动态仿真的准确程度直接关系到 电力系统的安全经济运行。
With the constant expansion and more complex structure of power grid, people gradually realized the importance of electric load model in power system analysis, operation and control.
随着电网规模的不断扩大，电网结构越来越复杂，人们逐渐认识到了电力负荷模型在电力系统分析、运行与控制中的重要性。
To achieve the safe and reliable operation of high power supply in HL-2A Tokamak, an logic control and protection system based on Siemens PLC is applied.
给出了大功率电源控制系统的控制要求、功能和工作原理以及系统PLC硬件构成图和软件流程框图，总结了系统研制中一些实际问题的解决办法。
To achieve the safe and reliable operation of high power supply in HL-2A Tokamak, an logic control and protection system based on Siemens PLC is applied.
给出了大功率电源控制系统的控制要求、功能和工作原理以及系统PLC硬件构成图和软件流程框图，总结了系统研制中一些实际问题的解决办法。
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