Cause Analysis of High Pressure Oil System Pressure Loss in DEH Load Rejection Tests and Its Countermeasures DEH甩负荷试验中高压保安油系统失压原因分析及对策
Load Rejection Calculation for TGP Right Bank Power Station Hydro-generator Standardized commissioning test procedure for SCADA system in right bank of Three Gorges 三峡右岸水电站水轮机过渡过程计算分析三峡右岸水电站监控系统的标准化调试
Discussion on Reasons of Malfunction Load Rejection Over-Speed Trip for Heat Providing Turbine Generator 供热机组故障甩负荷超速跳闸原因的分析
The existed steam turbine model will face some problems when applied to load rejection condition. 但是现有的汽轮机模型用于甩负荷工况还存在一些问题。
Functions of automatic detection, intelligent switching on-off and load rejection are realized on site. 现场运行成功地实现了备自投装置的自动检测,智能化断、合相应开关及联切负荷。
Load rejection method is a new test method. 抛栽法测参数是一种新的试验方法。
This test introduces turbine unit of HEJIN Power Plant load rejection experiment, and successfully realizes unit load-rejection-island operation method; 介绍了河津电厂汽轮发电机组甩负荷试验,成功地实现汽轮机甩负荷小岛运行方式;
Thereby load rejection tests, variable load tests and variable rotating speed tests are performed. 从而进行了甩负荷、变负荷和变速试验。
Research on Dynamic Behavior of Load Rejection Process for Saturated Steam Turbine Considering Flash Evaporation of Water Film 考虑水膜闪蒸的核电汽轮机甩负荷动态特性的研究
A Study on Low-voltage Load Rejection in Shanghai Power Grid 上海电网负荷低电压释放问题的研究
Dynamic calculation of steam turbine in load rejection condition is important to the safety of unit. 汽轮机甩负荷动态计算对机组的安全运行起着很重要的作用。
Thus an important basic is provided for calculation of speed rise when load rejection and for analysis of regulation system stability when load regulation. 这为解决非直联水轮发电机组甩负荷时转速上升的计算和调节负荷时调节系统稳定性的分析等问题提供了一个重要依据。
A thorough and detailed analysis on factors influencing the low voltage load rejection is carried out and the corresponding countermeasures are suggested. 对影响上海电网低电压释放的诸因素作了全面细致的分析,提出了相应的对策。
Improvement of the governor's control performance in a full load rejection 改进水轮发电机组甩负荷过程中调速器的控制性能
The performances of excitation control system must fit all the different operation conditions of generator, such as no load operation, loading, load rejection and different kinds of faults. 本文论述了励磁控制系统应满足发电机各种运行方式的要求,如负载运行、空载运行、系统故障等不同情况。
Discussion on the Fuzzy Control of the Transition Process for Load Rejection of Hydraulic Turbine 水轮机甩负荷过渡过程模糊控制探讨
Using WST-PLC programmable microcomputer-governor to replace WST-S microcomputer-governor is proposed. The working principle and features of WST-PLC programmable microcomputer-governor are described, and its ability to meet the safe operation demand of hydroelectric sets is validated through static performance test, no-load disturbance test and load rejection test. 介绍了WST-PLC型可编程微机调速器的工作原理和特点,并通过静特性试验、空载扰动试验和甩负荷试验来验证WST-PLC型可编程微机调速器能满足水轮发电机组安全发电的要求。
Simulation calculation results and on-site tests show that the presented model and optimal feedback gain presented are correct and are beneficial to decrease the amount of load rejection. 仿真计算和现场试验表明,所提出的模型和最优反馈增益是正确的,对提高华中电网的电压稳定水平是有益的,可以减少切负荷量。
Based on the measured data in load rejection test for an imported type 300 MW domestic generating unit, the rotational speed rise curve was fitted with three kinds of function to get the initial of rotor rise speed, and the results differed a lot. 以某国产引进型300MW机组甩负荷试验的实测数据为基础,对转速飞升曲线采用3类函数进行了拟合,求取转子的初始飞升速率,但结果差别很大。
Dynamic Model of Steam Turbine for Load Rejection 用于汽轮机甩负荷动态计算的数学模型
Numerical Method for Calculation of Transients of Load Rejection in Bulb Turbines 灯泡贯流式水轮机装置甩负荷过渡过程计算方法
Self-excitation and over-voltage caused by generator load rejection with long lines occurs because of the capacitive current has a function to help the magnetic excitation of the generator. 发电机带长线路甩负荷时,因容性电流对发电机产生助磁作用从而使发电机发生自励磁和过电压。
The speed overshoot of power turbine decreases with the gas emission increases in load rejection. 甩负荷时,动力涡轮转速超调量随放气量的增大而减小。
Load rejection is the worst a running condition for units, a severe test for governing system. 甩负荷是机组最恶劣的一种运行工况,是对调节系统的严峻考验。
According the actual design and running parameters of a turbine, the dynamic characteristic of load rejection is simulated in the Matlab. 采用某汽轮机的实际设计运行参数,利用Matlab仿真软件,对该汽轮机的数学模型进行了甩负荷动态特性仿真。