Integrated Volt/VAR Control - Smart Grid News

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Case 1: No Voltage RegulationSubstation LTC orVoltage RegulatorsLine VoltageRegulatorCapBank1phXFMREndCustomerGeneration & TransmissionDistributionConsumptionVoltageTargetDistance from Substation‣ Voltage drops off with distance from the substation– On-load Tap Changer on substation transformer, or substation regulators step upvoltage so that voltage at end of feeder stays within required range‣ VAR injected at substation (for inductive loads)– Either via generator or substation capacitor bank‣ Can be very difficult to manage Volt/VAR within target range on a long feeder withnumerous loads of varying types‣ Severe penalties for not maintaining power factor14
Case 2: Distributed Voltage RegulationSubstation LTC orVoltage RegulatorsLine VoltageRegulatorLine VoltageRegulator1phXFMREndCustomerGeneration & TransmissionDistributionConsumptionVoltageTargetDistance from Substation‣ Optimized planning for placement of Regulators – Cyme‣ Standalone Voltage Regulators added along the way keepsVoltage in a tighter range‣ Benefits– Minimize/avoid voltage violations– Improve efficiency by reducing “average voltage”15
Page 1 and 2: Integrated Volt/VAR ControlMike Pre
Page 3 and 4: ‣ How does Volt-Var Management be
Page 5 and 6: Volt/Var Fundamentals‣Change in v
Page 7 and 8: How does IVVC benefit Utilities?7
Page 9 and 10: Business Drivers‣ Pennsylvania PU
Page 11 and 12: What is Integrated Volt-Var Managem
Page 13: What is Integrated Volt/VAR‣ A Fl
Page 17 and 18: Case 4: Integrated Volt/VARSubstati
Page 19 and 20: Functional Requirements‣ Control
Page 21 and 22: Volt-Var System Input Values21
Page 23 and 24: Volt/Var Management Algorithm‣IVV
Page 25 and 26: Volt/Var Management Implementation
Page 27 and 28: Example Architecture- IVVCFieldComm

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