相同风速功率下两种风电机组响应电网短路故障的对比分析
介绍了双馈和直驱风力发电机组的结构区别。从二者数学模型入手,其交直交变频器采用相同的控制策略,机侧变频器采用解耦控制,网侧变频器采用恒功率因数控制。在EMTPWorks中分别搭建了具有相同风速功率曲线的直驱和双馈风电机组的仿真模型。并在相同条件分析了电网发生三相、单相短路故障时的二者的暂态特性差别,得出了PMSG在故障期间的无功变化幅值要比DFIG要大,但机端母线电压跌落、机组有功功率输出、变频器直流电容电压变化幅度以及频率波动均比DFIG要小,对风电机组的选型具有十分重要的意义。...
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| Published in | 电力系统保护与控制 Vol. 43; no. 23; pp. 28 - 34 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
国网大连供电公司,辽宁 大连,116021
2015
|
| Subjects | |
| Online Access | Get full text |
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| Abstract | 介绍了双馈和直驱风力发电机组的结构区别。从二者数学模型入手,其交直交变频器采用相同的控制策略,机侧变频器采用解耦控制,网侧变频器采用恒功率因数控制。在EMTPWorks中分别搭建了具有相同风速功率曲线的直驱和双馈风电机组的仿真模型。并在相同条件分析了电网发生三相、单相短路故障时的二者的暂态特性差别,得出了PMSG在故障期间的无功变化幅值要比DFIG要大,但机端母线电压跌落、机组有功功率输出、变频器直流电容电压变化幅度以及频率波动均比DFIG要小,对风电机组的选型具有十分重要的意义。 |
|---|---|
| AbstractList | 介绍了双馈和直驱风力发电机组的结构区别。从二者数学模型入手,其交直交变频器采用相同的控制策略,机侧变频器采用解耦控制,网侧变频器采用恒功率因数控制。在EMTPWorks中分别搭建了具有相同风速功率曲线的直驱和双馈风电机组的仿真模型。并在相同条件分析了电网发生三相、单相短路故障时的二者的暂态特性差别,得出了PMSG在故障期间的无功变化幅值要比DFIG要大,但机端母线电压跌落、机组有功功率输出、变频器直流电容电压变化幅度以及频率波动均比DFIG要小,对风电机组的选型具有十分重要的意义。 TM614; 介绍了双馈和直驱风力发电机组的结构区别。从二者数学模型入手，其交直交变频器采用相同的控制策略，机侧变频器采用解耦控制，网侧变频器采用恒功率因数控制。在 EMTPWorks 中分别搭建了具有相同风速功率曲线的直驱和双馈风电机组的仿真模型。并在相同条件分析了电网发生三相、单相短路故障时的二者的暂态特性差别，得出了PMSG在故障期间的无功变化幅值要比DFIG要大，但机端母线电压跌落、机组有功功率输出、变频器直流电容电压变化幅度以及频率波动均比DFIG要小，对风电机组的选型具有十分重要的意义。 |
| Abstract_FL | The structure differences of the double-fed induction generator (DFIG) and permanent magnet synchronous machine (PMSG) are introduced. From the research of two mathematical models, the AC-DC-AC converters adopts the same control strategy, machine side converter uses decoupling control, and grid side converter applies constant power factor control. The simulation models with the same wind speed power curve of the two are constructed respectively in EMTPWorks. The differences of transient characteristics of the two under three-phase short circuit and single-phase short circuit fault of power system are analyzed. It is concluded that the reactive power variation amplitude of the PMSG during the fault is bigger than that of DFIG, but the bus voltage drop, active power output, system frequency fluctuation and inverter DC capacitor change of voltage amplitude are much smaller than that of DFIG, which has important significance to the wind turbine type selection. |
| Author | 刘勇 |
| AuthorAffiliation | 国网大连供电公司,辽宁大连116021 |
| AuthorAffiliation_xml | – name: 国网大连供电公司,辽宁 大连,116021 |
| Author_FL | LIU Yong |
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| ClassificationCodes | TM614 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Comparative analysis of DFIG and PMSG capability with same wind speed-power curve response to short circuit fault of power system |
| DocumentTitle_FL | Comparative analysis of DFIG and PMSG capability with same wind speed-power curve response to short circuit fault of power system |
| EndPage | 34 |
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| Keywords | comparative analysis PMSG short circuit fault EMTPWorks 对比分析 短路故障 DFIG |
| Language | Chinese |
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| Notes | EMTPWorks; DFIG; PMSG; short circuit fault; comparative analysis 41-1401/TM The structure differences of the double-fed induction generator （DFIG） and permanent magnet synchronous machine （PMSG） are introduced. From the research of two mathematical models, the AC-DC-AC converters adopts the same control strategy, machine side ,converter uses decoupling control, and grid side converter applies constant power factor control. The simulation models with the same wind speed power curve of the two are constructed respectively in EMTPWorks. The differences of transient characteristics of the two under three-phase short circuit and single-phase short circuit fault of power system are analyzed. It is concluded that the reactive power variation amplitude of the PMSG during the fault is bigger than that of DFIG, but the bus voltage drop, active power output, system frequency fluctuation and inverter DC capacitor change of voltage amplitude are much smaller than that of DFIG, which has important significance to the wind tu |
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| PublicationTitle | 电力系统保护与控制 |
| PublicationTitleAlternate | Relay |
| PublicationTitle_FL | Power System Protection and Control |
| PublicationYear | 2015 |
| Publisher | 国网大连供电公司,辽宁 大连,116021 |
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| Snippet | ... TM614; 介绍了双馈和直驱风力发电机组的结构区别。从二者数学模型入手，其交直交变频器采用相同的控制策略，机侧变频器采用解耦控制，网侧变频器采用恒功率因数控制。在 EMTPWorks... |
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| StartPage | 28 |
| SubjectTerms | DFIG EMTPWorks PMSG 对比分析 短路故障 |
| Title | 相同风速功率下两种风电机组响应电网短路故障的对比分析 |
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