powerpoint presentation · · 2017-12-112017 iec 61850 tim walker omicron usa october 31, 2017...
TRANSCRIPT
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
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.
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
2017
System Configurator
SSD
CIDSCD
ICD
System Specification Description
Substation Configuration Description
Configured IED Description
IED Capability DescriptionThe SCL Concept
2017
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