Paulo Pereira – Brazil – Session 2 – 0993
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Transcript of Paulo Pereira – Brazil – Session 2 – 0993
Frankfurt (Germany), 6-9 June 2011
Paulo Pereira – Brazil – Session 2 – 0993
OPTIMIZATION OF VOLTAGE REGULATOR SETTINGS AND TRANSFORMER TAP ZONES IN DISTRIBUTION SYSTEMS WITH GREAT LOAD VARIATION USING THE SMART GRID
INITIATIVES
Sandro [email protected]
Alzenira Abaide [email protected]
Rafael Milbradt [email protected]
Luciane [email protected]
Paulo [email protected]
Renê Emmel [email protected]
CEEMA
Frankfurt (Germany), 6-9 June 2011
Paulo Pereira – Brazil – Session 2 – 0993
CEEE-DState Company of Electrical Energy Distribution
http://www.ceee.com.br
UFSMFederal University of Santa Maria
http://www.ufsm.br
CEEMACenter of Studies on Energy and Environment
http://www.ufsm.br/ceema/
ANEELNational Agengy of Electrical Energy
http://www.aneel.gov.br
CEEMA
Frankfurt (Germany), 6-9 June 2011
Paulo Pereira – Brazil – Session 2 – 0993
CEEE-DState Company of Electrical Energy Distribution
http://www.ceee.com.br
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2010Energy: 7.32GWhCustomers:1.46MillionsCities: 72Area: 73.627km²
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Paulo Pereira – Brazil – Session 2 – 0993
Distribution Systems Characteristics
Voltage Control
Voltage Regulator Settings
TAP Zones
Voltage Control and Smart Grid
Conclusions
Topics
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Very Long Feeders
Paulo Pereira – Brazil – Session 2 – 0993
Brazilian Distribution System’s Characteristics
~70km~70km
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Non uniform load distribution
Paulo Pereira – Brazil – Session 2 – 0993
Brazilian Distribution System’s Characteristics
urbanurban
industrialindustrial
ruralrural
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Large Load Variation
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Brazilian Distribution System’s Characteristics
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Brazilian Distribution System’s Characteristics
Voltage Drop Voltage Drop
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1122
33
55
44
17,2kV17,2kV
23,1kV23,1kV
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Line Drop
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Voltage Control
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OLTC, Voltage Regulator and Transformer
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Voltage Control
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Voltage Set without Line Drop Compensation
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Voltage Regulator - Simplified Settings
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Voltage Set with Line Drop Compensation
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Voltage Regulator - Advantage Settings
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Methodology Proposed
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Paulo Pereira – Brazil – Session 2 – 0993
Voltage Control of Each FeederFlowchart
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Define the ideal TAP for each DT with the objective of supply an adequate secondary voltage using primary voltage of the feeder.
Paulo Pereira – Brazil – Session 2 – 0993
TAP Zones
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The ideal TAP is defined based on optimized voltage range.
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TAP Zones
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Data aquisition from customer’s meters and special devices for monitor voltage and load levels.
When necessary change Voltage Regulators Settings.
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Voltage Control and Distribution Automation
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Data aquisition and supervisory system. Read meters data Read and write of
Voltage Control Devices
DNP3.0 / IEC 61850
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Voltage Control and Smart Grid
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Blocks of Smart Voltage Control
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Voltage Control and Smart Grid
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Blocks of Smart Voltage Control
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Voltage Control and Smart Grid
Monitor and Data Store from Meters
and Special Equipments
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Blocks of Smart Voltage Control
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Voltage Control and Smart Grid
Statistical Treatment of
measurement data.
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Blocks of Smart Voltage Control
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Voltage Control and Smart Grid
Statistical Treatment of
measurement data.
Knowledge
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Blocks of Smart Voltage Control
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Voltage Control and Smart Grid
Periodic Settings of the Voltage
Regulator
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Blocks of Smart Voltage Control
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Voltage Control and Smart Grid
Voltage Regulator Settings and
Comand at Real Time
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Results
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Voltage Drop
00
1122
33
55
44
20,4kV20,4kV
23,1kV23,1kV
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Traditional Voltage Regulators together with planning of TAP Zones
Optimization of the voltage levels inside of the regulation’s area.
Reduction of the number of voltage’s complaints and regulatory demands
Use of Distribution Automation, Smart Meter s, Statistic and Simulation making a Smart Voltage Control.
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Conclusion
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The authors would like to thank CEEE-D and ANEEL for given financial support for this project.
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Acknowledgments
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Paulo Ricardo da Silva Pereira
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Thanks For Your Attention
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CEEMA