PowerPoint Presentation · · 2017-12-112017 IEC 61850 Tim Walker OMICRON USA October 31, 2017...
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Transcript of PowerPoint Presentation · · 2017-12-112017 IEC 61850 Tim Walker OMICRON USA October 31, 2017...
2017The History
• High Integration Cost
• ANSI and IEC Specific Protocols
• Serial Products
• Proprietary Protocols
• Solutions Based on Low Bandwidth Usage
• Solutions Tied to Legacy Hardware
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IEEE TR 1550:1999
History
2017IEC 61850 – What is it?IEC 61850 is the international standard for substation automation systems. It defines the communication between devices in the substation and the related system requirements.
2017IEC 61850 Goals
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2017Sampled Values• Nickname: 9-2LE (Light Edition)
• Valid for Protection and Metering
• minimum number of parameters
• low requirements on resources
• Merging Unit with:
• 4 Voltages + 4 Currents (3 Phases, 1Neutral)
• 80 samples/cycle (Prot. & Meter.)
• 256 samples/cycle (PQ)
• PPS (pulse-per-second) signal for time synchronization
50Hz 4000 samples/s60Hz 4800 samples/s
Counter
2017IEC 61850 Jargon
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System Configurator
SSD
CIDSCD
ICD
System Specification Description
Substation Configuration Description
Configured IED Description
IED Capability DescriptionThe SCL Concept
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IEC 61850 provides Advantages and Challenges
Economical Installation Savings – No Copper Wires
Easier system Configuration/Reconfiguration using a Computer
Network Knowledge Required
New Testing Procedures Required
Continuous Supervision of the system
Remote Monitoring – Complex but Powerfiul
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Summary
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Does Your Substation Devices Speak IEC 61850?They Should, It’s Time.
