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- A novel comprehensive nonlinear state feedback controller for steam-valving and excitation system was designed to enhance power system stability. 針對電力系統暫態(tài)過(guò)程的非線(xiàn)性特性，利用勵磁控制和汽門(mén)控制的特點(diǎn)，以功角和電壓穩定為目標提出一種發(fā)電機汽門(mén)和勵磁綜合控制思想。
- Under the circumstance of interconnection of power network,the dynamic characteristic of generator excitation system has significant effect on power system stability. 在全國聯(lián)網(wǎng)的形勢下,發(fā)電機勵磁系統動(dòng)態(tài)特性顯著(zhù)影響系統的穩定水平。
- Conciliating the settings of multi-generators’excitation system can improve the stability level of power system on the base of self-stability and has positive meaning to power system stability. 多機勵磁參數協(xié)調優(yōu)化能夠在保證勵磁控制器穩定的基礎上,提高系統的穩定性,對電力系統穩定有積極的影響。
- This machine is equivalent to a two hydraulic turbines and Management (HTG), excitation system and the power system stabilizer (PSS). 這兩臺機相當于一臺水輪機和管理(HTG)，勵磁系統和電力系統穩定器(PSS)。這三個(gè)模塊位于“渦輪和調速”子系統中。
- The proportional and integral (PI) + Power System Stabilizer (PSS) controller is mostly used in excitation systems today. 比例積分+電力系統穩定器控制(PI+PSS)是當前應用最廣泛的勵磁控制方式;
- Digital Simulation of Excitation System and Power System Stabilizer and Its Field Test in Guangxi 廣西勵磁系統及其電力系統穩定器數字仿真和現場(chǎng)試驗研究
- The influence of generator excitation system and static var compensator (SVC) on stability of long-distance transmission system is great. 發(fā)電機勵磁系統以及靜止無(wú)功補償器(SVC)對遠距離輸電系統的穩定性有很大影響。
- The constant reactive power excitation control strategy is deducted using nonlinear zero dynamic method and the system stability under this control strategy is verified. 推導了使用非線(xiàn)性零動(dòng)態(tài)方法實(shí)現的發(fā)電機恒無(wú)功勵磁控制規律,并對采用這種控制規律后,系統的穩定性做了詳盡的分析。
- Modifies thermal control method to improve system stability. 調整了散熱控制;增加系統的穩定性.
- Finally,based on a 2-area 4-machine power system,dynamic simulations are carried out to make a comparison between the effects of AVR+ PSS excitation system and the two nonlinear robust controllers in improving transient stability of the system. 最后采用2區4機系統進(jìn)行了動(dòng)態(tài)仿真,以比較這2種魯棒控制器以及自動(dòng)電壓調節器+電力系統穩定器(AVR+PSS)勵磁系統在提高電力系統暫態(tài)穩定性方面的控制功效。
- It mainly describes the conformation, property and function of this excitation system. 主要介紹該勵磁系統的構造、能和功能。
- The generator excitation system consists of mechanically and electrically coordinated components. 發(fā)電機的勵磁系統由機械上和電氣上協(xié)調配合的部分組成。
- The generator voltage regulator provides the essential control of the generator excitation system. 發(fā)電機電壓調節器提供了發(fā)電機勵磁系統的必要控制
- IEEE Std 421.4-2004,IEEE Guide for the Preparation of Excitation System Specifications[S]. 大型水輪發(fā)電機靜止勵磁系統及裝置技術(shù)條件.;電力行業(yè)標準[S]
- Readers may have also noticed a reference to a Financial System Stability Assessment FSSA. 讀者也許亦會(huì )留意到總結中提到金融體系穩定評估。
- The continuously acting automatic excitation system to control a generating unit terminal voltage. 控制發(fā)電單元機組端電壓的連續動(dòng)作的自動(dòng)勵磁系統。
- How much is the rating of the excitation system above that of the generator field current? 勵磁系統的電流額定容量比發(fā)電機磁場(chǎng)電流容量高多少?
- Reclosing at optimal time can largely improve system stability even if reclosing on permanent fault. 即使是重合于永久性故障，只要在最佳時(shí)刻重合閘同樣可以顯著(zhù)改善系統的穩定性。
- This paper briefs the positive and negative excitation system(PNE)and its controller. 簡(jiǎn)單介紹了正負勵磁系統及其控制系統；
- Operation verifies the validity of this design, effectively reducing fault rate and elevating system stability. 投產(chǎn)運行表明，該措施可以有效地降低裝置故障率，提高增壓系統的穩定性。
