FIELD: electricity.
SUBSTANCE: interruption and switching device at least of one of wires (L1, L2, L3, N) includes opening device (2) independent of supply voltage and including opening electronics (8b) and opening element (3), as well as opening device (9) dependent on supply voltage. Opening device (9) has devices for opening element (3) referring to opening device (2), as well as opening electronics (9b). Signal supplied with electronics (9b) is stronger than the signal from electronics (8b).
EFFECT: reliability is improved and construction is simplified.
14 cl, 8 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR DETECTION OF LEAKAGE OR FAULT CURRENTS FROM EQUIPMENT IN ELECTRICAL POWER SYSTEM | 2011 |
|
RU2581773C2 |
DEVICE FOR PROTECTION AGAINST CURRENT LEAKAGE IN ISOLATED NEUTRAL SYSTEM | 0 |
|
SU1144163A1 |
AUTOMATIC CIRCUIT BREAKER FOR LEAK CURRENT PROTECTION | 2009 |
|
RU2497255C2 |
AUTOMATIC FAULT CURRENT SHUTDOWN DEVICE | 2009 |
|
RU2481666C2 |
PROTECTIVE CUTOUT DEVICE | 2011 |
|
RU2572619C2 |
MODULAR DEVICE AND METHOD FOR PROTECTING PERSON FROM ELECTRIC SHOCK | 2023 |
|
RU2824649C1 |
SELF-TESTING PROTECTIVE GEAR | 2003 |
|
RU2251756C1 |
HIGH-VOLTAGE CIRCUIT BREAKER | 2007 |
|
RU2439737C2 |
ELECTRIC ENERGY ACCUMULATION SYSTEM MAXIMISING RENEWABLE ENERGY USAGE | 2009 |
|
RU2475920C2 |
0 |
|
SU124975A1 |
Authors
Dates
2011-04-10—Published
2007-03-21—Filed