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AMSC D-VAR STATCOM Systems - Intro
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- 2. • AMSC (American Superconductor) is a leading global manufacturer of solu;ons for electric grids. • AMSC solu;ons are powering 14 GW of renewable energy and enhancing the performance and reliability in power networks in more than a dozen countries. • Founded in 1987 as a start-up – company founder from the MassachuseQs Ins;tute of Technology (MIT) • Headquartered near Boston, MassachuseQs with opera;ons in Asia, Australia, Europe and North America. AMSC Introduc;on AMSC Proprietary and Confiden;al 2
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- 4. AMSC STATCOM Business D-VAR® STATCOM System Applica;ons Renewables • Delivery of more power on exis;ng transmission & distribu;on assets • Postpone investments • Improvement of power stability, availability, quality and reliability • 21 Systems Installed • Largest System Size: -96/+240 MVAR • Enables renewable power to “act like” power from a conven;onal source so it can be smoothly integrated into the power grid in compliance with local grid codes • 92 Systems Installed • Largest System Size: +308/-256MVAR • Eliminate voltage disturbances to ensure high power quality for semiconductor fabs, mining opera;ons and other industrial processes. • 7 Systems Installed • Largest System Size: +/-168 MVAR Renewables U8li8es Industrials AMSC Proprietary and Confiden;al 4
- 5. AMSC’s Gridtec Solu;ons Smart grid solu;ons from genera;on to end use • Renewable Energy Plant Solu;ons • Power Plant Generators • Dynamic Reac;ve Power Support • Voltage Regula;on • AC Power Cables • HVDC Power Cables • HTS Fault Current Limiters • Dynamic Reac;ve Power Support • AC Power Cables • HTS Fault Current Limiters • Substa;on Interconnec;on • Power Quality Solu;ons • Mine Interconnec;ons • Indoor HTS Power Cables End Use Distribu;on Transmission Energy Genera;on • Power Quality Applica;ons and Solu;ons • Transmission Planning Studies • Harmonic Analysis • Voltage Stability Studies Engineering Services
- 6. AMSC’s team of engineers provide over 85 years of combined u;lity transmission planning and engineering experience – Power System Engineering Studies – Grid Code / Requirements Assessments – Equipment Specifica;on / Review – Modeling & Applica;ons Support – HTS Cable and FCL Si;ng and Impact Studies 6 AMSC Proprietary and Confiden;al AMSC’s Gridtec Engineering Services Network Planning and Applica;ons Group End Use Distribu;on Transmission Energy Genera;on Engineering Services Phase 1 Feasibility Phase 2 System Impact Phase 3 RFP/Tech. Spec Phase 4 Ra;ng & Compliance Phase 5 Capability
- 7. 7 AMSC Proprietary and Confiden;al Flexible AC Transmission Systems Enhancing transmission power capacity and reliability End Use Distribu;on Transmission Energy Genera;on Engineering Services • Designed to increase flexibility and boost power system performance • Instantly detects voltage disturbances and rapidly compensates by injec;ng leading or lagging reac;ve power • Helping u;li;es recovery from system voltage collapse events and eliminate stability related power transfer limita;ons • Advanced controls and SCADA capabili;es
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- 10. • 56 D-VAR Systems sold for wind and solar interconnec8ons – Connec;ng wind farms employing Vestas, Gamesa, RePower, Mitsubishi and GE Turbines. – 26 installa;ons with D-VAR Controller as Master Controller for the complete plant with Park Controllers. – Suppor;ng connec;on of more than 5.6GW of wind genera;on to the grid. • 26 D-VAR Systems sold for U8lity Grid Voltage Support/Power Quality Applica8ons – Grid Voltage Support and post-fault voltage recovery – Semiconductor Fabs and Mining Applica;ons 10 AMSC Proprietary and Confiden;al D-VAR System Installa;ons – North America AMSC Provides Local Support and Service from Devens, MA
- 11. • 39 D-VAR Systems sold for wind and solar interconnec8ons – Connec;ng wind farms employing Vestas, Gamesa, RePower, Mitsubishi and GE turbines. – 17 installa;ons with D-VAR Controller as Master Controller for the complete plant. – Suppor;ng connec;on of more than 4.2GW of wind genera;on to the grid. • 23 D-VAR Systems sold for U8lity Applica8ons and Power Quality – Grid Voltage Support and post-fault voltage recovery – Semiconductor Fabs and Mining Applica;ons – U;lity Applica;on: Long Island Power Authority, +240MVAr/-96MVAr 11 AMSC Proprietary and Confiden;al D-VAR System Installa;ons – US Summary AMSC Provides Local Support and Service from Devens, MA
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- 14. 14 D-VAR® STATCOM System Applica;on Control Op;ons • Slow regula8on with shunt-device switching – Regulate voltage, power factor, or constant susceptance – Uses D-VAR device and mul;ple caps/inductors to regulate – Op;onal turbine control interface for addi;onal VAR control • Fast transient mi8gator – Responds quickly w/ overload to protect local assets (load or genera;on) – Used with or without slow regulator controller • Customer specific modifica8ons – Motor-start mi;ga;on – Line drop compensa;on – Regula;on mode shio at different genera;on/load levels – Power oscilla;on damping
- 15. D-VAR System’s Droop Seqng Op;ons • Independent boost and buck droop slopes • Droop slope adjustable from 1% to 10% • Adjustable reference or target voltage • Op;onal dead band and D-VAR device output limits • Can switch between voltage and power factor control 15 D-VAR® System - Voltage Control Dynamic Control and Regula;on Control Boos8ng Output Bucking Output 1.00 1.01 1.02 1.03 1.04 0.96 0.97 0.98 0.99 Reference Voltage = 1.00pu Voltage (pu) 1x 2x 3x 1x 2x 3x 1.05 0.95 Buck Hard Limit = 1.050pu Boost Hard Limit = 0.950pu Fast Buck Turn On Fast Boost Turn On Boost Droop = 2% Deadband Buck Droop = 2% Buck Turn On Boost Turn On
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- 17. • Enhanced ground fault and close-in fault protec4on handling • An4-islanding protec4on added • Improved low voltage inhibit level and performance AMSC Proprietary and Confiden;al 17 Protec;on D-VAR STATCOM System Development • Enhanced snow heater controls • Higher capacity snow heaters • Increased Inverter & Inductor thermal margins • Extreme cold weather IGBT opera4ons Environmental Hardening - Up to 3x short term overload capability Opera4ons up to 50°C without de-ra4ng - Increased steady state nega4ve phase sequence current injec4on capability. - Increased system transient handling capability with advanced DC bus controls Inverter Improvements • Advanced interfaces with Power Park Controllers • Line drop Compensa4on and Motor Start Mi4gator • Auto-clearing and robust handling of internal faults and system states • Precise dynamic current injec4on controls Controls Making the system more robust, adaptable and in conformance to global requirements
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- 19. • AMSC Support Capability for Systems Engineering – Steady-state load flow (power flow) studies – Dynamic and stability analysis – Harmonics and resonance scans – Power transfer capability studies • Planning Tools (SoNware) – PTI PSS/E Load flow and Stability – DIgSILENT load flow, stability, harmonics, short circuit – PSCAD and RTDS – GE PSLF Load flow and Stability • Global Experience – Studies performed for wind farms, industrial plants and u;li;es worldwide AMSC Planning & Engineering Services 19
- 20. • Systems that meet interna;onal electrical standards and u;lity specifica;ons. • Highly modular system providing high degree of reliability and availability. Mul;ple levels of inherent redundancies. • Field proven with over 105 installa;ons worldwide in varied environmental condi;ons. • Cost effec;ve and highly reliable ambient air cooled outdoor design. • Configurable Installa;ons to fit in available substa;on space. • High levels of reliability, online system monitoring and simple, cost-effec;ve O&M 20 AMSC D-VAR STATCOM Systems AMSC Proprietary and Confiden;al
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