




版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報或認(rèn)領(lǐng)
文檔簡介
1、動態(tài)電力系統(tǒng)Chap. 7 Power System LoadsProblem:Why Load modeling is always based on a considerable amount of simplification?7.1 Basic Load-Modeling Concepts Problem:What is the concept of composite load?Loads are usually represented at what system level?for angular stability or for voltage stability)7.1.1
2、Static load models 冪次式負(fù)荷模型:當(dāng)冪為0,1,2時的特殊性For composite system loads, exponent of active load: 0.5-1.8reactive load: 1.5-6, 1. it varies as a nonlinear function of voltage 2. at higher voltage, ?Problem: In the absence of specific information, what is the most accepted static load model ? 多項式負(fù)荷模型: ZIP
3、 model How to take into account of the frequency dependency of load characteristics?What are the typical parameter for Kpf (0,3.0) and Kqf (-2.0, 0) ?How to get the variation of a bus frequency in simulation?How to make comprehensive static model?Is the static load realistic at low voltage? What pra
4、ctice is applied to deal with this problem? 7.1.2 Dynamic Load ModelsProblem: Why dynamic load model is needed ?When static and dynamic load models are used ?What kinds of dynamic loads there are ?(a).(b).(c).(d)7.2 Modeling of induction Motors7.3 Synchronous Motor Model7.4.1 measurement-based appro
5、ach steady-state load-voltage characteristicsProblem : At what voltage level? How to get voltage change? What parameters are interested steady-state load-frequency characteristicsProblem : How to get frequency change? How to separate the influence of voltage change?Dynamic load-voltage characteristi
6、cs What is the basic approach ? 7.4.2 Component-based approachBase on a structure: Bus load Load class mix Load components Component characteristics Chap.8 Excitation SystemProblem:What is its basic function?What is its main control function?8.1Excitation sys. requirementsGenerator considerationsBas
7、ic function : continuous capabilityEmergency function: short-term capabilityPower system considerations Functions : voltage controlTransient stability controlSmall-signal control Excitation requirementsMeet response criteriaProvide limiting and protective functions Meet specific requirement for oper
8、ation flexibilityMeet the desired reliability and availability8.2 Elements of Excitation Sys.Exciter: provide DC powerRegulator: process and amplify input signalTerminal voltage transducer and load compensation:PSSLimiter and protective circuits:8.3 Types Broad types of excitation systemDCACStatic 8
9、.4.1 Dynamic Performance MeasuresCeiling voltageCeiling currentVoltage time response 8.4.2 Small-signal performance MeasuresTime response Frequency response 8.5 Control and protective functions8.5.1 Regurators8.5.2 Stabilizing Circuits8.5.3 PSS8.5.4 Load compensation8.5.5 Under-excitation limiter8.5.6 Over-excitation limiter8.5.7 Volts-per-Herts Limiter and protection8.5.8 Field-shorting Circuits8
溫馨提示
- 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
- 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
- 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
- 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
- 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
- 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
- 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。
最新文檔
- 帳篷露營活動方案
- 重癥肺炎與氣管切開管理規(guī)范
- 漢語知識考試題及答案
- 排球水平測試題及答案
- 抖音八十萬java面試題及答案
- 奧運(yùn)英語面試題及答案
- 腫瘤門診健康宣教
- 營養(yǎng)員考試題及答案
- java面試題及答案范本
- 船舶制造2025年訂單趨勢報告:船舶制造產(chǎn)業(yè)鏈上下游分析
- 智能化熱模鍛技術(shù)
- 個人車位租賃合同電子版 個人車位租賃合同
- 普惠性托育機(jī)構(gòu)申請托育中心情況說明基本簡介
- 外輪理貨業(yè)務(wù)基礎(chǔ)-理貨單證的制作
- 《水火箭制作》課件
- 網(wǎng)絡(luò)安全預(yù)防電信詐騙主題班會PPT
- 農(nóng)村垃圾清運(yùn)投標(biāo)方案
- 優(yōu)秀物業(yè)管理項目評選方案
- 圖書管理系統(tǒng)畢業(yè)論文參考文獻(xiàn)精選,參考文獻(xiàn)
- 中國當(dāng)代舊體詩選讀幻燈片
- 吉林省全省市縣鄉(xiāng)鎮(zhèn)衛(wèi)生院街道社區(qū)衛(wèi)生服務(wù)中心基本公共衛(wèi)生服務(wù)醫(yī)療機(jī)構(gòu)信息名單目錄995家
評論
0/150
提交評論