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Megger - Substation overview

Megger - Substation overview. 170 product groups, 2600 products. MEGGER Insulation testers, fibre optic testing MULTI-AMP Circuit breaker test tests BIDDLE High voltage test sets AVO Multimeters,Training , software DUCTER Ohm meters FOSTER Oil test sets STATES Terminal blocks

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Megger - Substation overview

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  1. Megger - Substation overview

  2. 170 product groups, 2600 products

  3. MEGGER Insulation testers, fibre optic testing MULTI-AMP Circuit breaker test tests BIDDLE High voltage test sets AVO Multimeters,Training, software DUCTER Ohm meters FOSTER Oil test sets STATES Terminal blocks METROSONICS Critical systems monitoring PROGRAMMA Relay/ Circuit Breaker/ Battery Testing PAX DIAGNOSTIC Transformer, Insulation Products Megger Brand Names

  4. IEC 61850 STANDARD IN SUBSTATION AUTOMATION • Main purpose of the standard is to achieveinteroperabilityamong different devices from different vendorswithin the same substation.

  5. IEC 61850 STANDARD IN SUBSTATION AUTOMATION

  6. IEC 61850 STANDARD IN SUBSTATION AUTOMATION • What is Substation Automation? • Weneed to knowwhatwe are talkingabout, in order to understandwhatneeds to be standardized.

  7. In a substation there are Primary Equipments: THE POWER SUBSTATION

  8. THE POWER SUBSTATION • The Primaryequipments in the Substation need to be ”controlled”. • The wordCONTROL in a substation has nothing to do with Process Control, where the wordCONTROL is usuallyassociated to ”feedback systems”:

  9. THE POWER SUBSTATION

  10. Busbar change. Load is on Busbar 2 THE POWER SUBSTATION

  11. Busbar change. Connecting Busbar 1 to Busbar 2 THE POWER SUBSTATION

  12. Busbar change: Connecting the Feeders to Busbar 1 THE POWER SUBSTATION

  13. Busbar change: Disconnecting feeders from Busbar 2 THE POWER SUBSTATION

  14. Busbar change: Disconecting Busbar 2 from the system THE POWER SUBSTATION

  15. Busbar change. Busbar 1 in service THE POWER SUBSTATION

  16. THE POWER SUBSTATION

  17. One very simple interlocking: • EarthingSwitch and Disconnector THE POWER SUBSTATION • I can OPEN / CLOSE the Disconnector ONLY if the EarthingSwitch is OPEN. • If the EarthingSwitch is CLOSED I cannotoperate the Disconnector.

  18. EARTHING SWITCH CLOSED THE POWER SUBSTATION

  19. EARTHING SWITCH OPEN THE POWER SUBSTATION

  20. THE INTERLOCKING SYSTEM

  21. THE INTERLOCKING SYSTEM A LocalAction (open/close) mayrequire: Localinformation (from the same bay) Remoteinformation (from different bays)

  22. THE INTERLOCKING SYSTEM

  23. THE INTERLOCKING SYSTEM

  24. THE IEC 61850 INTERLOCKING SYSTEM

  25. CONTROL / INTERLOCKING in an IEC 61850 substation

  26. IEC 61850 Standard

  27. In a substation there are Primary Equipments….. THE POWER SUBSTATION

  28. … that must be protected. THE POWER SUBSTATION

  29. THE PROTECTION RELAYS

  30. THE PROTECTION RELAYS

  31. THE PROTECTION RELAYS • The circuitbreakeropens and interruptsthe faultcurrent. The relaysees no faultconditionsanymore and it resets. Circuit breakerremainsopen, the fault has beencleared.

  32. THE PROTECTION SYSTEM

  33. Radial Feeders: No communication THE PROTECTION SYSTEM

  34. Radial Feeders: No communication THE PROTECTION SYSTEM

  35. Radial Feeders: No communication THE PROTECTION SYSTEM

  36. Radial Feeders: No communication THE PROTECTION SYSTEM

  37. Radial Feeders: Communication THE PROTECTION SYSTEM

  38. Radial Feeders: Communication THE PROTECTION SYSTEM

  39. Radial Feeders: Communication THE PROTECTION SYSTEM

  40. Radial Feeders: Communication THE PROTECTION SYSTEM

  41. IEC 61850 APPLICATION: PROTECTION • PROTECTION signals (Trip, Block, Acceleration..)are sent through the station bus.Horizontal communication

  42. GOOSE communication for PROTECTION and CONTROL GOOSE = GenericObjectOrientedSystem Event. Is an unacknowledgedmulticastmessage that is repeated with a certainstrategyallowing the supervision of the Horizontal Communication.

  43. GOOSE or Contact (Conventional) ?

  44. GOOSE or Contact (Conventional) ?

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