Mehr Spannungsqualität im Netz mit SVC PLUS Improvement in Voltage Quality for Power Systems with SVC PLUS M. Claus D. Retzmann K. Uecker A. Zenkner 1 10-2009 E T PS SL/Re
General Features of VSC* FACTS Grid Access for Wind Farms and Renewables Elimination of Voltage Fluctuations and Flicker High dynamic Performance Low Space Requirements VSC Technology makes it feasible SVC PLUS offers additional Benefits * VSC: Voltage-Sourced Converter 2 10-2009 E T PS SL/Re
SVC PLUS a wide Range of Configuration Possibilities Up to 4 parallel L-Units: +/- 200 MVAr Containerized Solutions: SVC PLUS S: +/- 25 MVAr SVC PLUS M: +/- 35 MVAr SVC PLUS L: +/- 50 MVAr 8 kv 36 kv HV LV Open Rack Solution (Building): SVC PLUS C: +/-100 MVAr SVC PLUS Hybrid (Option): MSR (Mechanically Switched Reactors) MSC (Mechanically Switched Capacitors) SVC PLUS +/-25... +/ -200 MVAr MSR MSC 3 10-2009 E T PS SL/Re
SVC PLUS with MMC: a new Member of the FACTS Community Modularity answering every Challenge System Voltage (kv) Reactive Power (MVAr) 4 10-2009 E T PS SL/Re
SVC PLUS A View of the Technology Cooling System Converter Control & Protection 5 10-2009 E T PS SL/Re
SVC PLUS a highly flexible System Low Generation of Harmonics Low Level of HF-Noise Low Switching Losses No Snubbers required Siemens uses MMC Technology (Modular Multilevel Converter) 6 10-2009 E T PS SL/Re
The Evolution of SVC PLUS and VSC Technology Topologies: Two-Level Three-Level Multilevel GTO / IGCT IGBT in PP IGBT Module Power Electronic Devices: 7 10-2009 E T PS SL/Re
SVC PLUS: HMI, local and remote Control Local: WinCC, PC Remote: SCADA Interface External Devices External Devices SVC PLUS 8 10-2009 E T PS SL/Re
SVC PLUS: Converter, Control and Protection 9 10-2009 E T PS SL/Re
SVC PLUS: Advanced Control System SIMATIC TDC Plant Coordination Reference Values Measurements 10 10-2009 PLUSCONTROL Current Control Converter Coordination E T PS SL/Re GIB on Power Module Capacitor Protection Piloting of IGBT Drivers DC Voltage Measurement
Layout SVC PLUS L: +/- 50 MVAr 21 m (69 feet) 25 m (82 feet) 11 10-2009 E T PS SL/Re
Layout SVC PLUS 2 x L: +/- 100 MVAr Dimensions in m 12 10-2009 E T PS SL/Re
Layout SVC PLUS System, maximum Configuration 4 SVC PLUS with 4 external devices 13 10-2009 E T PS SL/Re
Space Requirements Example of +/- 50 MVAr: SVC PLUS L versus SVC Classic Space Saving 14 10-2009 E T PS SL/Re
SVC PLUS: Example of Factory Acceptance Tests Nuremberg, Germany 15 10-2009 E T PS SL/Re
Single Line Diagram of SVC PLUS in Comparison with SVC Classic SVC Classic SVC SVC PLUS Variable Impedance STATCOM = Static Synchronous Compensator with Multilevel Controlled Voltage Source 16 10-2009 E T PS SL/Re
SVC PLUS the Operation Principle VSC AC Equivalent L1 i 1 i 12 L H v conv 12 H Xfmrs, Lines Loads L2 i 2 i 23 L H v conv 23 H VSC = Electronic Generator for Reactive Power Voltage Stabilization L3 i 3 i 31 L H v conv 31 H 17 10-2009 E T PS SL/Re
SVC PLUS Modular Multilevel Converter Power Module 1 Power Module 2 Power Module 3 Power Module 4 Power Module n v conv 12 SVC Voltage v 12 Conv 12 iconv 12 v conv 12 vl 12 18 10-2009 E T PS SL/Re
SVC PLUS: The Power Module IGBTs Bypass Switch DC Storage Capacitor GIB (Gate-Interface Board) 19 10-2009 E T PS SL/Re
From Power Module to Converter the Multilevel Voltage Generation v v Power Module with DC Capacitor 20 10-2009 E T PS SL/Re
States and Current Paths of a Power Module in the MMC Topology an Advanced Solution Off State Capacitor bypassed ON ON C u DC OFF OFF On State Capacitor charging/discharging ON OFF + V DC C V DC OFF ON 21 10-2009 E T PS SL/Re
Harmonics of SVC PLUS in Comparison with SVC Classic 22 10-2009 E T PS SL/Re
SVC PLUS: V/I Diagram Current Source V prim (pu) 1.5 Jump next Page (SVC Classic ) 1.0 0.5 STATCOM: Current-Source Characteristics continous Operating Area of SVC PLUS time limited Operating Area of SVC PLUS -1.5-1.0 Capacitive Current -0.5 0 0.5 1.0 1.5 I prim (pu) Inductive Current 23 10-2009 E T PS SL/Re
SVC Classic : Examples of V/I Diagrams V SVC V SVC 1.8 Voltage Control Mode w/o slope Slope with with slope Slope Reactive Power Control Mode 1.1 1.0 SVC: Impedance Characteristics SVC: Impedance Characteristics 0.25 0.25 I SVC (Q SVC ) I SVC 24 10-2009 E T PS SL/Re
SVC PLUS versus SVC Classic Loss Characteristics SVC PLUS P in % 1,5 SVC Classic 1,0 0,5 0,0-1 -0,5 0 0,5 Q in pu 1 capacitive inductive 25 10-2009 E T PS SL/Re
SVC PLUS Control Features SVC PLUS Standard Control Functions Voltage Control Reactive Power Control Control of up to 4 External Devices SVC PLUS The Control Options Power Oscillation Damping Voltage Unbalance Control Cos φ Control Flicker Control SVC PLUS Internal Controls Adaptive Gain Control DC Control Transformer Overload Control Over & Undervoltage Strategies 26 10-2009 E T PS SL/Re
The Advanced SVC PLUS Solution 8 Systems in 4 Transmission Projects: 2009-2011 Rating: Source: UCTE up Interim to +/-Report 200 MVAr 10-27-2003 Dynamic Voltage Support 27 10-2009 E T PS SL/Re
Grid Access of Green Energy with SVC PLUS: Thanet, UK 2 SVC PLUS Systems for 300 MW Wind Farm 2009 SVC PLUS: 2 x ±35 MVAr in parallel 132 kv / 13.9 kv 28 10-2009 E T PS SL/Re
Grid Access of Green Energy with SVC PLUS: Greater Gabbard, UK 3 SVC PLUS Systems SVC PLUS: 3 x ±50 MVAr in parallel 132 kv / 13.9 kv 2011 World s largest Offshore Wind Farm 29 10-2009 E T PS SL/Re
Power Quality in AC Systems 2 SVC PLUS Systems Kikiwa Project, South Island, New Zealand SVC PLUS: 2 x ±35 MVAr in parallel 220 kv / 11 kv Dynamic Voltage Support during and after AC Line Faults (Voltage Dip Compensation) 2009 30 10-2009 E T PS SL/Re
Power Quality in AC Systems SVC PLUS Mocuba Substation, Nampula, Mozambique 2010 SVC PLUS: ±35 MVAr 33 kv Dynamic Voltage Stabilization Reactive Power Control 31 10-2009 E T PS SL/Re
Power Quality for Industrial Systems SVC PLUS, ThyssenKrupp, Mobile County, Alabama, USA SVC PLUS for new Steel Plant ±100 MVAr Open Rack Solution Flicker Compensation 2010 32 10-2009 E T PS SL/Re
Benefits of Innovations: Siemens uses SVC PLUS Technology also for Traction Supply Converters 33 10-2009 E T PS SL/Re
Intelligent Solutions for Power Transmission with FACTS & HVDC from Now available with VSC PLUS Technology Siemens HVDC PLUS and SVC PLUS and the Lights will keep shining! 34 10-2009 E T PS SL/Re
Intelligent Solutions for Power Transmission Sustainability & Security of Supply Thank You for your Attention! 35 10-2009 E T PS SL/Re