s&c power electronics porfolio, issues and opportunities ...4] s&c... · sandc.com s&c...
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S&C POWER ELECTRONICS PORFOLIO, ISSUES AND OPPORTUNITIES IN THE
DISTRIBUTION SYSTEMPresented by: Alejandro Montenegro
1
6/30/2017 | ©2014 S&C Electric Company
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DISTRIBUTION AUTOMATION DEVICES• Reactive current control
– DSTATCOM : in modules of 1.25MVar• Storage Management Technology
– SMS (Storage Management System) • Utility/Substation: 1 MW – 20 MW• Commercial/Industrial: 250 kW – 500 kW
– CES (Community Energy Storage) • Grid-edge: 25 kW single-phase
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DSTATCOM100-MW ONTARIO SOLAR FARM
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SANTA RITA JAIL LAYOUT
www.acgov.org/smartgrid
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SANTA RITA JAIL – DUBLIN, CA –2MW SMS IN 27FT CONTAINER
• Energy storage provides system backbone:– Remains in Voltage Source mode for instant islanding– Controls via patented frequency droop and voltage
droop algorithm
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SMS – AMEREN MICROGRID
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SMS – AMEREN MICROGRID
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SMS – AMEREN MICROGRID
SMS-250Batteries
TransformerAir
Conditioner
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SMS – AMEREN MICROGRID
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AMEREN MICROGRID- ISSUES
• Protection/Coordination• System Integration • Logic
– Transitions– Black start
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Si BASED POWER ELECTRONICSCHALLENGES
1. Heat• Low Switching frequency ≈ 3‐5kHz• Efficiency (>90%)
2. Size• Filters• Transformer (Vdc link ≈ 800 V)
3. Speed (UPS applications)