减负荷

浅谈给水泵最大出力与快速自动减负荷系统的关系

Brief Discussion on Relation Between Maximum Output of Feed Water Pump and Fast Runback System

300MW火电机组仿真机的快速减负荷（RB）工况仿真

Simulation of Runback Condition in 300 MW Thermal Power Unit Simulator

本文提出了一种低频减负荷时间常数PID控制算法。

Then propose a PID control arithmetic to confirm time constant in low-frequency load shedding .

机组快速减负荷（RB）功能探讨

Function Discussion on Rapidly Decreasing Load ( RB ) in Unit

RUNBACK，即机组辅机故障减负荷，它作为一种异常工况，对机组的影响是很大的。

RUN BACK , that is , the unit has to be decreased its load rate because of the auxiliaries ' faults , always has serious influence on the unit as an abnormal operating condition .

600MW机组辅机故障快速减负荷控制回路组态分析

Configuration analysis for run back control circuit of 600 MW unit

600MW控制循环锅炉给水泵快速减负荷试验研究

Test and research on feed pump RUNBACK of 600 MW controlled circulation boilers

本文介绍了一种采用STD工业控制总线构成的智能低频减负荷系统，介绍了该系统的工作原理、系统结构及软件设计。

N STD bus based intelligent load shedding system according to frequency is described in this paper . The principle , architecture and software design of the system is presented .

台山电厂600MW燃煤机组快速减负荷功能优化及试验结果分析

Run Back Optimization and Test Result Analysis of 600 MW Coal-fired Units in Taishan Power Plant

文章对给水泵跳闸引发的RB过程进行了解析，提出了RB过程中减负荷速率的求解公式及给水泵最大出力的确定方法。

This paper analyzes the runback process initiated by feed water pump trip , develops an equation for determining the runback rate , and proposes a method to determine feed water pump MCR .

本文相关研究成果将作为珠江LNG电厂的现场操作指导和反事故措施，深度减负荷技术不仅能够为企业带来可观的经济效益，而且将进一步提升珠江LNG电厂在南方电网的安全信誉。

The deeply unloading technique can not only bring considerable economic benefits for the enterprise , but also enhance the security credit of Zhujiang LNG Power Plant in the South China Power Grid Co. , Ltd. .

低频减负荷（UFLS）作为电力系统的第三道防线，是一种防止系统频率崩溃的有效手段。

Underfrequency Load Shedding ( UFLS ), which is the third defensive line of power system , is one of effective methods to mitigate the frequency collapses .

为提高机组综合自动化水平，在300MW机组上进行了辅机故障快速减负荷性能试验。

In order to raise comprehensive automation level of generating units , performance test on running back of 300 MW generating unit resulted from auxiliary equipment fault was carried out .

建议在京津唐电网采用低电压减负荷措施

Proposition on Under-voltage Load Shedding in Beijing-Tianjin-Tangshan Power Network On Stroke-minus

缺电损失最小化减负荷算法的研究

Research of load shedding algorithm based on minimizing power outage cost

江西电网低频减负荷整定及动态分析

Under-frequency Load Shedding Calculation and Dynamic Analysis in Jiangxi Power Grid

电力系统低频减负荷方案

On designing Underfrequency Load Shedding Scheme in power systems

地区电网低频减负荷控制系统的初步探讨

Preliminary Study on Regional Under - Frequency - Load - Shedding Control System

低频减负荷方案中计及调速器的水轮机模型的研究

Study on the turbine model considering its speed governor in the alternative of low-frequency load shedding

以希平港核电站减负荷试验时稳压器的动态特性对模型和程序进行验证，仿真结果与试验数据符合良好，结果同时表明用亚当斯方法进行仿真更有效。

Simulating results agree well with the experimental data and indicate that Adams method is more efficient .

自动按频率减负荷装置各轮最佳断开功率的计算机算法

Computer Algorithm on Optimum Individual Grades Turn Off Powers in an Automatic Low Frequency Decreasing Loads Equipment

于是，本文提出了微电网中的低压减负荷控制算法和微电网中的频率预测算法。

So we propose the under-voltage load shedding control arithmetic and frequency predict arithmetic in the Micro-grid system .

可作为电能表校验的信号源，也可用于电力系统按频率自动减负荷设备的调试等。

It can be used in checkout of electric kilowatt-hour meter and automatic frequency load-dropping debug in power supply system .

为有效发挥自动低频减负荷装置的重要作用，应正确进行装置定值的整定。

For exerting the functions of the automatic under-frequency load-shedding device , setting for the device should be calculated correctly .

介绍了用于低频减负荷方案优化配置的时域动态仿真分析法。

It comprises three parts : At first , the Time-Domain Dynamic Simulation ( TDDS ) method used for the opti .

低频减负荷装置作为保证电网安全稳定运行的第三道防线无疑成为抑制系统频率下降的有效方法。

Under frequency load shedding ( UFLS ) equipment can efficiently prevent the continous decrease of frequency , which helps the security and stability of the power system .

某发电厂4号机组的发电机属于双水内冷汽轮发电机，其定子绕组在运行中局部有超温现象，被迫减负荷运行。

Unit 4 generator of some power plant , a dual water inner cooled turbo-generator , was forced to operate at lower load owing to partial overtemperature of its stator winding during operation .

该调控由发电输出功率调整和减限负荷构成。

The control is made up of generation output power regulation and load shedding / restricting .

当氧气需求量减小时，空分设备减负荷运行是降低氧气放散率的最有效方法。

Operation with reduced load is most effective method to decrease the oxygen bleeding rate when oxygen demand shrinks .

介绍一种自适应型低频减载装置的方案，它依据频率和频率的变化率，动态的确定减负荷装置的动作情况。

This paper presents an adaptive scheme that uses both frequency and rate-of-change of frequency measurements to dynamically set ULFS relays if more than one generation outage is experienced .