The 7th International Conference on Real-Time Simulation Technologies Montreal | 9-12 June, 2014 1 Frank Kling, Vahid Jalili-Marandi ETAP, OPAL-RT [email protected], [email protected]Power System Generation Management: ePHASORsim and ETAP AGC toolbox
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ePHASORsim and ETAP AGC toolboxETAP Real-Time The 7th International Conference on Real-Time Simulation Technologies Montreal | 9-12 June, 2014 10 Enables electrical utilities to plan,
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The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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Energy Management System (On-Line)
• Load Frequency Control• Economic Dispatch• Interchange Transaction
Scheduling
Image source: ETAP
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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Automatic Generation Control
• Fine tuning of power set-points based on system measurements: Actual generation Operating frequency
Image source: ETAP
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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Energy Management System (Real-time)
ePHASORsim
Image source: ETAP
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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AGC Control
Send to AGC • Terminal voltage• Power generation• Unit frequency (speed)
Signals from AGC • Power set-points• Dispatch command
Image source: ETAP
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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ePHASORsim: Solution for…
Real-time transient stability simulation
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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AGC View…
AGC Inputs
AGC Outputs
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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DNP3 and OPC…
• Industrial protocol to transmit data using serial or IP communication
• Data transfer between Master (control station) and Slaves (remote equipment)
• Smart grid metering and remote monitoring
• Energy and power quality meter• Transmission and distribution network
protection and control
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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Real-time transient stability simulator• Large-scale power systems • Transmission, distribution and generation
Phasor domain solution • Nominal frequency• Positive sequence (balanced systems)• 3-phase (unbalanced systems)• Time-step in the range of few milliseconds
What is ePHASORsim?
00 )(
),,(0
),,(
xtx
tVxg
tVxfx
Machines, Controllers, Dynamics
Network side algebraic equations
+
Discretization of
differential equations
Solving linear algebraic
equations
Explicit Euler
LU Factorization
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014
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Real-time Performance
Case 1 Case 2 Case 3
Number of components
Buses 4992 9984 19968
Generators 1280 2560 5120
Controllers 2304 4610 9216
Others 9144 18368 36820
Computation time (ms)
Normal 1.62 3.28 6.68
Disturbance 3.49 7.43 16.61
Overruns NO NO YES
Simulation time: 10s, time-step: 10ms
Number of CPU cores: 1
ePHASORsim
The 7th International Conferenceon Real-Time Simulation TechnologiesMontreal | 9-12 June, 2014