Alow-costhighperformanceMVRMUwithcircuitbreakers学习课件.pptVIP

Frankfurt (Germany), 6-9 June 2011 * * * * * * * * * * * * * * * * * * * * * * A low - cost high performance MV RMU with circuit breakers for use in remote controlled MV / LV substations Fabio GIAMMANCO Luca GIANSANTE 精选 Italian AEEG regulation scenario Main strategies Limits of current switchgear Overcome apparatus limits New approach State of the Art: DY900 Results Developments Luca GIANSANTE – ITALY – Session 3 – Paper ID0468 Main content 精选 Luca GIANSANTE – ITALY – Session 3 – Paper ID0468 Italian AEEG regulation scenario Italian Authority for Electrical Energy and Gas (AEEG) CUMULATIVE DURATION OF LONG LASTING SUPPLY INTERRUPTION PER LV CUSTOMER 3 minutes Planned Accidental with fault localization Accidental without fault localization 精选 Luca GIANSANTE – ITALY – Session 3 – Paper ID0468 Italian AEEG regulation scenario FRAME REGULATION DURATION OF LV CUSTOMER SUPPLY INTERRUPTIONS WITHOUT NOTICE NUMBER OF SUPPLY INTERRUPTIONS WITHOUT NOTICE PER LV CUSTOMER INDIVIDUAL REGULATION NUMBER OF CUSTOMER SUPPLY INTERRUPTIONS (FOR MV CUSTOMERS ONLY) LONG LASTING INTERRUPTIONS (LV AND MV CUSTOMERS) 精选 Luca GIANSANTE – ITALY – Session 3 – Paper ID0468 Italian AEEG regulation scenario FOCUS DURATION OF LV CUSTOMER SUPPLY INTERRUPTIONS NUMBER OF SUPPLY INTERRUPTIONS WITHOUT NOTICE PER LV CUSTOMER 精选 Luca GIANSANTE – ITALY – Session 3 – Paper ID0468 Main strategies REDUCE THE TIME NECESSARY TO FIND AND ISOLATE THE FAULT KEEPING IT AS SHORT AS THE 3 MIN DEADLINE MINIMIZE THE NUMBER OF CUSTOMERS AFFECTED BY THE FAULT 精选 Luca GIANSANTE – ITALY – Session 3 – Paper ID0468 Limits of current switchgear SWITCH DISCONNECTORS MAIN LIMITS OPERATION TIME MAKING AND BREAKING CAPABILITY ELECTRICAL AND MECHANICAL ENDURANCE 精选 Luca GIANSANTE – ITALY – Session 3 – Paper ID0468 THE GOAL TO OVERCOME THE SWITCH DISCONNECTOR LIMITS WHILST FINDING A GOOD TRADE-OFF BETWEEN THE NEED FOR THE EXPECTED PERFORMANCE AND LIFETIME COSTS Overcome apparatus limits 精选 C