2008-01-23
No. 7
WINDTEST
What was happened? 发生了什么？
Course 08-1 to 4: Power Quality Measurements
Source: E.ON
Netz report of
the fault; state
14.11.2006
引自: E.ON Netz 事 故分析报告; 2006.11.14
Course 08-1 to 4: Power Quality Measurements
2008-01-23
No. 2
WINDTEST
Cold严Op寒erating conditions 运行条件
Hot酷热
Operating 24/7 ? 运行 24/7 ?
Grid 电网
Offshore 海面
Course 08-1 to 4: Power Quality Measurements
欧洲标准 EN 50160, “电压特性”.
OOnneeooffmmaannyy sstatannddaardrdsswwhhicichh
• IEC 868-0 and other Parts acc. Flicker and IEC 61000-4-15 (1997), IEC 61000-3-3, -5 anhdha-av1v1eeFtloticokcecoronLnsimsidiidteserr
2500
Installed capacity in China
Cumulative end 2006: 2,588 MW
5000
2000
4000
MW Cum ulative MW
1500
3000
1000
2000
500
1000
0 1995
1998
2001
2004
0 2007
Installed MW
Forecast
2008-01-23
No. 9
WINDTEST
Harmonics 谐波
kA A
I1
2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0
0 I1
600
500
400
300
Flicker improving 闪变的改善
70 60 50 40 30 20 10
0 0
Flicker coefficients (c)
1000
2000
3000
4000
Rated power [kW]
5000
6000
Course 08-1 to 4: Power Quality Measurements
Power plants
电厂
Transmission lines Distribution lines
输电线路
配电线路
Production发电
Transmission输电
Industry 工业
Households 家庭
Consumption用电
Course 08-1 to 4: Power Quality Measurements
Cumulativ e
Cumul. forecast
Source: BTM Consult ApS - March 2007
Course 08-1 to 4: Power Quality Measurements
2008-01-23
No. 4
WINDTEST
Electrical power supply System 供电系统
2008-01-23
No. 3
WINDTEST
Introduction of Power Quality 电能质量概述
• In the Past ,there were only few turbines!
过去几乎没有风机！
• Doesn't matter what they did?
不要在意他们做了什么？
4 November 2006 at 11:30 pm 2006年11月4日 23:30
Source: Newspaper “Welt am Sonntag” on 12th November 2006 2006
引自:2006年11月12日 报纸:“Welt am Sonntag”
Course 08-1 to 4: Power Quality Measurements
2008-01-23
No. 11
WINDTEST
Flicker origin 闪变的起因
Course 08-1 to 4: Power Quality Measurements
2008-01-23
No. 12
WINDTEST
Standard soup 标准集
mmooee::
• European Norm EN 50160, “Voltage characteristics”.
200
100
0
-100
-200
-300
-400
-500
-600 0
I2
I3
I2
10
I3
10
20 20
30 30
40
50 ms
40
50 ms
Course 08-1 to 4: Power Quality Measurements
2008-01-23
No. 10
WINDTEST
Filcker values (c)
Agenda 议程
1. Power Quality 电能质量
a) Introduction 概述 b) Voltage influence 电压影响 c) Harmonics 谐波 d) Limits, Short circuited power
限值，短路容量
2. Power plant behaviour电厂特性 3. Conclusion 结论
2008-01-23
No. 5
WINDTEST
European´s TSOs 欧洲的电网公司
Course 08-1 to 4: Power Quality Measurements
-23
Quellen: ETSO, E.ON, Vattenfall, VDN
No. 6
WINDTEST
2008-01-23
No. 8
WINDTEST
Frequency deviation 频率偏差
Source: E.ON Netz report of the fault; state 14.11.2006 引自: E.ON Netz 事故分析报告;
2006.11.14
Course 08-1 to 4: Power Quality Measurements