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Communication in Substations: IEC61850 2.4 : CONCLUSION. Sudhakar RAMPURKAR / AnshumanBHALLA 26th & 27th October 2009. Conclusions. For a real benefit, one needs both technical progress and international agreement to achieve the seamless communication architecture.

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communication in substations iec61850 2 4 conclusion
Communication in Substations:IEC618502.4 : CONCLUSION

Sudhakar RAMPURKAR / AnshumanBHALLA

26th & 27th October 2009

conclusions
Conclusions
  • For a real benefit, one needs both technical progress and international agreement to achieve the seamless communication architecture.
  • This is exactly what IEC 61850 offers:
summary
Summary
  • IEC 61850 is now being used
  • Users’ benefits are:
    • Better planning in Open Electricity Market
    • Streamlined Specification
    • Simplified Design
    • Faster System Configuration
    • Securer Operation & simpler Maintenance
    • Safeguarded Investment
  • Various migration paths are available
summary1
Summary
  • One standardised communication for all needs in the substation
  • Fully supports all substation automation functions comprising control, protection and monitoring
  • Is a global standard and the key to interoperable solutions
  • Architecture is future proof and facilitates future extensions, therefore it safeguards investments
  • Ability to reuse typical functions and/or bay designs vendor independent
summary cont i
Summary, cont. I
  • Defines the availability requirements, environmental conditions and the auxiliary services of the system
  • Specifies the engineering process and its supporting tools, system life cycle and the quality assurance requirements
  • Provides engineering and maintenance support by means of the substation configuration language based on XML, i.e. documentation included
  • Vendor-independent engineering-data exchange
summary cont ii
Summary, cont. II
  • States the conformance tests to be carried out on the products
  • Flexibility allows optimisation of system architectures (scalable technology)
  • Uses commercially available hardened communication components (Industrial Ethernet)
  • Common use of infrastructure
market demand systems sales segmentation
Market demand: Systems sales / Segmentation
  • IEC 61850 has become a strong requirement for Substation Automation Systems, approx. 40%
    • Transmission: 60% (main exceptions: US, China)
    • Distribution: 20% growing (linked to the IED price)
    • Rail: 10% growing (Europe, India starting)
    • Industry/ Oil & Gas: rare
market demand regional
Market demand: Regional

Strongest demand in:

  • India
  • Brazil
  • Central & South America
  • China
  • Middle East
  • Europe – various countries
iec61850 from project perspective
IEC61850 from Project Perspective
  • IEC61850 is very large with many service models and optional features
  • End users implement different combinations of these service models and the different features they provide
  • The protocol is still being evolved
  • Insufficient to simply specify IEC61850
  • Necessary to state:
    • What features are to be used
    • What performance is required
  • Requires detailed analysis and comparison of all products in the project to ensure a good fit
iec61850 at tendering stage
IEC61850 at Tendering stage
  • A sample of important device specifications:
    • Quantity of client/server associations to each IED
    • Quantity of peer-peer messages the device will publish
    • Quantity of peer-peer messages the device will subscribe to
    • Number of characters allowed in the device name
    • Service models required
    • Control models to be used
    • Implemented Logical Nodes & Optional Data Objects/Attributes
    • Implemented TISSUES
  • Where can this information be found?
    • Device Documentation
    • Substation Configuration Language Files
motivation for use of iec61850
Motivation for use of IEC61850
  • Utilities expect
  • Interoperability of:
    • functions
    • devices
    • uniform system handling
    • harmonised general system properties
  • To Reduce Engineering Costs by:
    • Standardised information exchanges between tools
    • Reduction of manual entry & associated errors
    • Reuse of project information & configuration
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