FIELD: switching devices handling high making currents and low holding currents.
SUBSTANCE: proposed operating mechanism has electromagnet coil shorted out by backward diode, transistor, and control unit; newly introduced in operating mechanism is transformer whose primary winding is connected in series with transistor; the latter is controlled by control unit; dc current of operating mechanism electromagnet coil is produced by secondary winding of mentioned transformer; transistor failure causes transformer saturation and disconnection of device while off-operation failure in this case is impossible.
EFFECT: enhanced reliability and economic efficiency of operating mechanism, reduced off-time of switching device.
7 cl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HIGH-SPEED ELECTROMAGNETIC OPERATING MECHANISM OF SWITCHING DEVICE (ALTERNATIVES) | 2004 |
|
RU2262766C1 |
| HIGH-SPEED OPERATING MECHANISM OF SWITCHING DEVICE | 2004 |
|
RU2264673C1 |
| ELECTRONIC IGNITION APPARATUS | 1995 |
|
RU2117817C1 |
| SINGLE-CYCLE D.C. VOLTAGE CONVERTER | 0 |
|
SU1372529A2 |
| ONE-STEP D.C.VOLTAGE-TO-D.C.VOLTAGE CONVERTER | 0 |
|
SU1277316A1 |
| LEAKAGE-CURRENT PROTECTIVE DEVICE FOR AC LINES | 0 |
|
SU1735958A1 |
| RESONANT RECTIFIER, AND ALSO A METHOD AND DEVICE FOR MANAGING A RESONANT RECTIFIER | 2015 |
|
RU2627680C1 |
| VERSIONS OF DEVICE FOR PROTECTING AGAINST SINGLE-PHASE EARTH LEAKAGE IN ISOLATED NEUTRAL SYSTEM | 0 |
|
SU1129688A1 |
| THYRISTOR CURRENT SOURCE FOR ELECTROLYTIC IRON-PLATING | 0 |
|
SU749947A1 |
| LIGHTING INSTALLATION | 1990 |
|
RU2015625C1 |
