FIELD: relay protective gear. SUBSTANCE: single-phase ground fault protective device has AND gate, final element, annular phase-sensing rectifier, zero-sequence current filter, zero-sequence voltage filter, two flip-flops, rectifier, monostable multivibrator, two comparators, two OR gates, and four pulse shapers. EFFECT: enhanced precision. 1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SYNCHRONISM CONTROLLING RELAY | 2002 |
|
RU2224320C1 |
| PHASE-DIFFERENCE RELAY | 2003 |
|
RU2237312C1 |
| VOLTAGE GENERATOR REGULATOR | 2002 |
|
RU2220469C1 |
| DIFFERENCE-FREQUENCY RELAY | 2002 |
|
RU2208866C1 |
| PHASE-TO-GROUND FAULT PROTECTIVE GEAR | 2002 |
|
RU2214643C1 |
| FREQUENCY RELAY | 2002 |
|
RU2220472C1 |
| DIFFERENTIAL RELAY | 2002 |
|
RU2219614C1 |
| PHASE-DIFFERENCE RELAY | 2002 |
|
RU2220468C1 |
| PHASE-DIFFERENTIAL RELAY | 2002 |
|
RU2224323C1 |
| DIFFERENTIAL-PHASE RELAY | 2002 |
|
RU2222087C1 |
