The DV928A2NCI is a monitoring device to be installed in Primary Substations (conversion from High Voltage to Medium Voltage) by ENEL Distribuzione managed with isolated neutral or compensated neutral. The main purpose of the DV928 is to evaluate the efficacy of ground fault blow-out systems (Petersen coil, shunt, etc.), on MT networks with isolated or compensated neutral and to perform several system monitoring functions useful for diagnostic purposes (checking of MT switch opening and shunt times). The DV928 implements local processing of medium complexity, aimed at correlating input signals and transmitting synthetic event word signals to the Centre, via the TPT-2000. The DV928 is entirely configurable and programmable via a portable Personal Computer connected via ETHERNET. The DV928 application program can also be updated on site via ETHERNET.
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