FIELD: electrical engineering; testing circuit-breakers.
SUBSTANCE: novelty in proposed method for testing circuit-breakers involving desired current supply to them is that current value is reduced or converter is cut off at instant when power contacts start separating. In this way protective gear responds to voltage rise across contacts or to opening of circuit-breaker auxiliary contact.
EFFECT: enhanced reliability and extended service life.
4 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| TESTING METHOD FOR CURRENT PROTECTION OF AUTOMATIC SWITCH | 2008 |
|
RU2349001C1 |
| DEVICE FOR TESTING OF RELAY PROTECTION AUTOMATIC UNIT FOR REPEAT CONNECTION OF HIGH-VOLTAGE BRANCHES | 0 |
|
SU1700631A1 |
| METHOD OF TESTING OF ELECTRIC CHARACTERISTICS OF RELAY PROTECTION UNIT OF CONNECTION COMMUTATION GEAR | 0 |
|
SU1814102A1 |
| DEVICE FOR TEST OF OVERLOAD PROTECTION CIRCUITS | 0 |
|
SU1791869A1 |
| METHOD FOR LOAD PROTECTION AGAINST VOLTAGE BURSTS AND SHORT CIRCUITS | 2004 |
|
RU2270500C2 |
| DEVICE FOR PROTECTING NETWORK BY CURRENT-LIMITING AUTOMATIC SWITCHES | 0 |
|
SU886137A1 |
| METHOD OF DISCONNECTING THE CONTROLLED SHUNT REACTOR | 2017 |
|
RU2653514C1 |
| DEVICE FOR CONTROLLING TWO REACTORS (VERSIONS) | 2019 |
|
RU2706719C1 |
| ELECTRIC GENERATOR | 2004 |
|
RU2262788C1 |
| DEVICE FOR CENTRALIZED CURRENT PROTECTION OF ELECTRIC DISTRIBUTING NETWORK ATTACHMENTS | 0 |
|
SU661672A1 |
