The uninterruptible power supply source (unit) ABP-R is designed for uninterruptible power supply of consumers with stabilised DC voltage 28,5 V and AC single-phase current 230 V, frequency 50 Hz. The power is supplied from two networks of three-phase alternating current 380 V, frequency 50 Hz. The ABP-R is designed in accordance with the "Rules of Classification and Construction of Marine Ships" and meet the requirements of the Russian Maritime Register of Shipping (RMRS), structurally designed in a 19" cabinet.
Key features:
-uninterrupted power supply to consumers in case of failure of one of the two supply networks;
-reverse transition from the reserve network to the main network at restoration of parameters in the main network;
-automatic transition to work from the AB at failure of the main and reserve input networks and, when at least one of the networks is restored, automatic transition to work from this network;
-resistance to pulse-switching overvoltages (PSC) up to 1000 V with duration of 2 ms above the current overvoltage...
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