Medium voltage

selectivity study for MV power loop, according of italian law , and protections calibration. We use ETAP software
communication and monitoring MV and LV circuit breakers , with fiber optic pilot cable or/and Belden cable
optic/electric conversion system for MV loop, with communication protocol MODBUS, ABB Scada, PROFIBUS, IEC61810
Selectivity study (cronologic, logic al, logical accelerated, ..) based information transfer systems for ground fault and phase fault
renovation electric substation to respect italian regolation CEI 0-16 and US standards

: Siemens MV cabinets

: Toroidal transformer

: XFRM testing phase

: Low voltage switchboard

: Medium voltage switch

: MV surge protection device

: On load charger

: Dry type XFRM

: MV cabinets for loop network

: MV cabinets for loop network

: Testing circuit breakers and protective relays

: Logic selectivity test

: Ground connection for selectivity test

: Relay with IEC61850 protocol

: New cabinets for protection device

: Switching VT from 10 to 20 kV

: Switching voltage from 10 to 20 kV