IMPIANTO ALIMENTATORE D EMERGENZA DI CORRENTE ELETTRICA CON ACCUMULATORI RICARICABILI
The power supply has a battery constantly charged from the mains and supplying the load when the mains fails. A battery tester (7) is connected in parallel with the load (4) in order to check the charge state of the battery (2). The tester compares the voltage drop across the load with a reference v...
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