| 摘要 |
FIELD: electrical engineering; storage battery charging from single-phase ac mains. SUBSTANCE: charging device has diode and two resistors connected in series; connected in parallel with one of resistors is voltmeter with diode differentially connected to rectifier diode; neon lamp with resistor is connected in parallel with other resistor. EFFECT: provision for continuous monitoring of battery emf during charging process and indication of this process. |
