with SVC PLUS - Siemens
with SVC PLUS - Siemens
with SVC PLUS - Siemens
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Mehr Spannungsqualität im Netz –<br />
mit <strong>SVC</strong> <strong>PLUS</strong>®<br />
Improvement in Voltage Quality for<br />
Power Systems –<strong>with</strong> <strong>SVC</strong> <strong>PLUS</strong>®<br />
M. Claus D. Retzmann K. Uecker A. Zenkner<br />
1 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
General Features of VSC* FACTS<br />
Grid Access for Wind Farms and Renewables<br />
Elimination of Voltage Fluctuations and Flicker<br />
High dynamic Performance<br />
Low Space Requirements<br />
VSC Technology makes it feasible<br />
<strong>SVC</strong> <strong>PLUS</strong> offers additional Benefits<br />
* VSC: Voltage-Sourced Converter<br />
2 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> – a wide Range of<br />
Configuration Possibilities<br />
Up to 4 parallel L-Units: +/- 200 MVAr<br />
Containerized Solutions:<br />
<strong>SVC</strong> <strong>PLUS</strong> S: +/- 25 MVAr<br />
<strong>SVC</strong> <strong>PLUS</strong> M: +/- 35 MVAr<br />
<strong>SVC</strong> <strong>PLUS</strong> L: +/- 50 MVAr<br />
8 kV – 36 kV<br />
HV<br />
LV<br />
Open Rack Solution (Building):<br />
<strong>SVC</strong> <strong>PLUS</strong> C: +/-100 MVAr<br />
<strong>SVC</strong> <strong>PLUS</strong> Hybrid (Option):<br />
MSR (Mechanically Switched Reactors)<br />
MSC (Mechanically Switched Capacitors)<br />
<strong>SVC</strong> <strong>PLUS</strong><br />
+/-25 ... +/ -200 MVAr<br />
MSR<br />
MSC<br />
3 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> <strong>with</strong> MMC: a new Member of the<br />
FACTS Community – Modularity answering every Challenge<br />
System Voltage (kV)<br />
Reactive Power (MVAr)<br />
4 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> – A View of the Technology<br />
Cooling System Converter Control & Protection<br />
5 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> – a highly flexible System<br />
Low Generation of Harmonics<br />
Low Level of HF-Noise<br />
Low Switching Losses<br />
No Snubbers required<br />
<strong>Siemens</strong> uses MMC Technology<br />
(Modular Multilevel Converter)<br />
6 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
The Evolution of <strong>SVC</strong> <strong>PLUS</strong> and VSC Technology<br />
Topologies: Two-Level Three-Level Multilevel<br />
GTO / IGCT<br />
IGBT in PP<br />
IGBT Module<br />
Power<br />
Electronic<br />
Devices:<br />
7 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong>: HMI, local and remote Control<br />
Local: WinCC, PC<br />
Remote: SCADA Interface<br />
External Devices<br />
External Devices<br />
<strong>SVC</strong> <strong>PLUS</strong><br />
8<br />
10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong>: Converter, Control and Protection<br />
9 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong>: Advanced Control System<br />
SIMATIC TDC<br />
• Plant Coordination<br />
• Reference Values<br />
• Measurements<br />
<strong>PLUS</strong>CONTROL<br />
• Current Control<br />
• Converter Coordination<br />
GIB on Power Module<br />
• Capacitor Protection<br />
• Piloting of IGBT Drivers<br />
• DC Voltage Measurement<br />
10 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
Layout <strong>SVC</strong> <strong>PLUS</strong> L: +/- 50 MVAr<br />
21 m (69 feet)<br />
25 m (82 feet)<br />
11 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
Layout <strong>SVC</strong> <strong>PLUS</strong> 2 x L: +/- 100 MVAr<br />
Dimensions in m<br />
12 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
Layout <strong>SVC</strong> <strong>PLUS</strong> System, maximum Configuration<br />
4 <strong>SVC</strong> <strong>PLUS</strong> <strong>with</strong><br />
4 external devices<br />
13 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
Space Requirements – Example of +/- 50 MVAr:<br />
<strong>SVC</strong> <strong>PLUS</strong> L versus <strong>SVC</strong> “Classic”<br />
Space<br />
Saving<br />
14 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong>: Example of Factory<br />
Acceptance Tests – Nuremberg, Germany<br />
15 10-2009 E T PS SL/Re<br />
Power Transmission Division
Single Line Diagram of <strong>SVC</strong> <strong>PLUS</strong> in<br />
Comparison <strong>with</strong> <strong>SVC</strong> “Classic“<br />
<strong>SVC</strong> “Classic”<br />
<strong>SVC</strong> <strong>SVC</strong> <strong>PLUS</strong><br />
Variable Impedance<br />
STATCOM = Static Synchronous<br />
Compensator – <strong>with</strong> Multilevel<br />
Controlled Voltage Source<br />
16 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> – the Operation Principle<br />
VSC<br />
AC Equivalent<br />
L1<br />
i 1<br />
i 12<br />
L<br />
H<br />
v conv 12<br />
H<br />
Xfmrs, Lines<br />
Loads<br />
L2<br />
i 2<br />
i 23<br />
L<br />
H<br />
v conv 23<br />
H<br />
VSC =<br />
Electronic Generator<br />
for Reactive Power<br />
Voltage Stabilization<br />
L3<br />
i 3<br />
i 31<br />
L<br />
H<br />
v conv 31<br />
H<br />
17 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> – Modular Multilevel Converter<br />
Power Module 1 Power Module 2 Power Module 3 Power Module 4 Power Module n<br />
v conv 12<br />
<strong>SVC</strong> Voltage v 12<br />
Conv 12<br />
iconv 12<br />
v conv 12<br />
vL<br />
12<br />
18 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong>: The Power Module<br />
IGBTs<br />
Bypass Switch<br />
DC Storage Capacitor<br />
GIB (Gate-Interface Board)<br />
19 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
From Power Module to Converter –<br />
the Multilevel Voltage Generation<br />
v<br />
v<br />
Power Module<br />
<strong>with</strong> DC Capacitor<br />
20 10-2009 E T PS SL/Re<br />
Power Transmission Division
States and Current Paths of a Power Module in<br />
the MMC Topology – an Advanced Solution<br />
“Off“ State<br />
Capacitor bypassed<br />
ON<br />
ON<br />
C<br />
u DC<br />
OFF<br />
OFF<br />
“On“ State<br />
Capacitor charging/discharging<br />
ON<br />
OFF<br />
+ V DC C<br />
V DC<br />
OFF<br />
ON<br />
21 10-2009 E T PS SL/Re<br />
Power Transmission Division
Harmonics of <strong>SVC</strong> <strong>PLUS</strong> in<br />
Comparison <strong>with</strong> <strong>SVC</strong> “Classic”<br />
22 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong>: V/I Diagram – Current Source<br />
V prim (pu)<br />
1.5<br />
Jump next Page (<strong>SVC</strong> “Classic”)<br />
1.0<br />
0.5<br />
STATCOM:<br />
Current-Source<br />
Characteristics<br />
continous Operating<br />
Area of <strong>SVC</strong> <strong>PLUS</strong><br />
time limited Operating<br />
Area of <strong>SVC</strong> <strong>PLUS</strong><br />
-1.5<br />
-1.0<br />
Capacitive Current<br />
-0.5<br />
0 0.5 1.0 1.5<br />
I prim (pu)<br />
Inductive Current<br />
23 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> “Classic”: Examples of V/I Diagrams<br />
V <strong>SVC</strong><br />
V <strong>SVC</strong><br />
1.8<br />
Voltage<br />
Control<br />
Mode<br />
• w/o slope Slope<br />
•<br />
<strong>with</strong><br />
<strong>with</strong><br />
slope<br />
Slope<br />
Reactive<br />
Power<br />
Control<br />
Mode<br />
1.1<br />
1.0<br />
<strong>SVC</strong>:<br />
Impedance<br />
Characteristics<br />
<strong>SVC</strong>:<br />
Impedance<br />
Characteristics<br />
0.25 0.25<br />
I <strong>SVC</strong> (Q <strong>SVC</strong> )<br />
I <strong>SVC</strong><br />
24 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> versus <strong>SVC</strong> “Classic” –<br />
Loss Characteristics<br />
<strong>SVC</strong> <strong>PLUS</strong><br />
P in %<br />
1,5<br />
<strong>SVC</strong> Classic<br />
1,0<br />
0,5<br />
0,0<br />
-1 -0,5 0 0,5 Q in pu 1<br />
capacitive<br />
inductive<br />
25 10-2009 E T PS SL/Re<br />
Power Transmission Division
<strong>SVC</strong> <strong>PLUS</strong> – Control Features<br />
<strong>SVC</strong> <strong>PLUS</strong> – Standard Control Functions<br />
• Voltage Control<br />
• Reactive Power Control<br />
• Control of up to 4 External Devices<br />
<strong>SVC</strong> <strong>PLUS</strong> –The Control Options<br />
• Power Oscillation Damping<br />
• Voltage Unbalance Control<br />
• Cos φ Control<br />
• Flicker Control<br />
<strong>SVC</strong> <strong>PLUS</strong> – Internal Controls<br />
• Adaptive Gain Control<br />
• DC Control<br />
• Transformer Overload Control<br />
• Over & Undervoltage Strategies<br />
26 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
The Advanced <strong>SVC</strong> <strong>PLUS</strong> Solution<br />
8 Systems in 4 Transmission Projects:<br />
2009 - 2011<br />
Rating: Source: UCTE up Interim to +/-Report 200 MVAr 10-27-2003<br />
Dynamic Voltage Support<br />
27 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
Grid Access of Green Energy <strong>with</strong> <strong>SVC</strong> <strong>PLUS</strong>:<br />
Thanet, UK – 2 <strong>SVC</strong> <strong>PLUS</strong> Systems for 300 MW Wind Farm<br />
2009<br />
<strong>SVC</strong> <strong>PLUS</strong>:<br />
2 x ±35 MVAr in parallel<br />
132 kV / 13.9 kV<br />
28 10-2009 E T PS SL/Re<br />
Power Transmission Division
Grid Access of Green Energy <strong>with</strong> <strong>SVC</strong> <strong>PLUS</strong>:<br />
Greater Gabbard, UK – 3 <strong>SVC</strong> <strong>PLUS</strong> Systems<br />
<strong>SVC</strong> <strong>PLUS</strong>:<br />
3 x ±50 MVAr in parallel<br />
132 kV / 13.9 kV<br />
2011<br />
World’s largest Offshore Wind Farm<br />
29 10-2009 E T PS SL/Re<br />
Power Transmission Division
Power Quality in AC Systems<br />
2 <strong>SVC</strong> <strong>PLUS</strong> Systems – Kikiwa Project, South Island, New Zealand<br />
<strong>SVC</strong> <strong>PLUS</strong>:<br />
2 x ±35 MVAr in parallel<br />
220 kV / 11 kV<br />
Dynamic Voltage Support<br />
during and after AC Line Faults<br />
(Voltage Dip Compensation)<br />
2009<br />
30 10-2009 E T PS SL/Re<br />
Power Transmission Division
Power Quality in AC Systems<br />
<strong>SVC</strong> <strong>PLUS</strong> – Mocuba Substation, Nampula, Mozambique<br />
2010<br />
<strong>SVC</strong> <strong>PLUS</strong>:<br />
±35 MVAr<br />
33 kV<br />
Dynamic Voltage Stabilization<br />
Reactive Power Control<br />
31 10-2009 E T PS SL/Re<br />
Power Transmission Division
Power Quality for Industrial Systems<br />
<strong>SVC</strong> <strong>PLUS</strong>, ThyssenKrupp, Mobile County, Alabama, USA<br />
<strong>SVC</strong> <strong>PLUS</strong> for new Steel Plant<br />
±100 MVAr<br />
Open Rack Solution<br />
Flicker Compensation<br />
2010<br />
32 10-2009 E T PS SL/Re<br />
Power Transmission Division
Benefits of Innovations:<br />
<strong>Siemens</strong> uses <strong>SVC</strong> <strong>PLUS</strong> Technology<br />
also for Traction Supply Converters<br />
33 10-2009<br />
E T PS SL/Re<br />
Power Transmission Division
Intelligent Solutions for Power Transmission<br />
<strong>with</strong> FACTS &<br />
HVDC from<br />
Now available –<br />
<strong>with</strong> VSC <strong>PLUS</strong><br />
Technology<br />
<strong>Siemens</strong><br />
HVDC <strong>PLUS</strong><br />
and <strong>SVC</strong> <strong>PLUS</strong><br />
… and the Lights<br />
will keep shining !<br />
34 10-2009 E T PS SL/Re<br />
Power Transmission Division
Intelligent Solutions for Power Transmission<br />
Sustainability &<br />
Security<br />
of<br />
Supply<br />
Thank You for<br />
your Attention !<br />
35 10-2009 E T PS SL/Re<br />
Power Transmission Division