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Project: 2.2 Project Name: Energy and Supply Security Considerations in the Multi-Mirogrid SystemProject Lead: R. Iravani (University of Toronto)Researchers: S. Wang (Masters) F. Badrkhan (Ph.D.) M. Ramadan (Ph.D.) A. Sani (PDF)) M. Graovac & X. Wang (SRA)
October 18, 2011 - Toronto
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Load
Wind Storage
CHP Diesel
PV
Gas-Turbine
Wind PV
CHP
PV
EV & PHEV
External Signal(s)Central Controller &EMS
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Physical-layer connection of multiple microgrids
grid1 grid2
grid4grid3
grid n
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Cyber-layer connection of multiple microgrids
grid1 grid2
grid4grid3
grid n
Control Centre
External
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Control Requirements
• Analyze and Predict Conditions in the System– Prevent/minimize outages and disturbances– Take corrective actions to maintain integrity of
operation (and improve quality of service)
• Use Communication– Centralized/decentralized methods
• Minimize Human Involvement• Exploit and Integrated Available/Near-Term
Technologies
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Control Strategy
Tertiary Controller
Secondary Controller
Secondary Controller
Secondary Controller
SG1 DG1DG2
National
Regional
Local
Primary Controllers
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Model Predictive Control
Time
Predicted trajectory at k
Control input at k
k k+1 k+2 k+3 k+4 k+5
Control input at k+1Reference trajectory
Prediction Horizon
Predicted trajectory at k+1
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Milestones: 2011: - Determine impact of high-depth of DER,
EV, and microgrids with respect to: a) technical performance of power
system (50% complete) b) regulatory issues, standards, grid
codes (50% complete) c) protection system 2012: - Develop (linear) dynamic models of
typical power systems, including multiple
microgrids, for control design/analysis (40% completed) - Identify and develop control strategies (50% completed)
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Milestones (continued): 2013: Identify, select, and evaluate
communication requirements and infrastructure for control
(and protection) of microgrids (5% complete) 2014: Evaluate microgrid controls performance (in coordination with the protection system) - Time-domain simulation (15% complete) - Hardware-in-the-loop (20% complete)
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Hardware-in-the-loop Platform based on TRDS and NI-CRIO
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Milestones (continued): 2015: Identify test sites for selected test
scenarios (0% complete)
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Industrial Partners: - BC Hydro - Hydro One - Toronto Hydro - National Instruments * - RTDS * - ?
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Direct Links to Other Projects: - Project 1.2 - Project 1.3 - Project 2.1 - Project 2.3 - Project 2.4 - Project 3.1 - Project 3.2 - Project 3.3
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Major Challenges: - Lack of regulatory guidelines - Lack of standards, grid codes, guidelines - ICT and sensory requirements
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