FIELD: electrical engineering. SUBSTANCE: relay that functions as difference- frequency relay for peripheral generator and supply mains has four comparators, two pulse leading-edge shapers, two pulse trailing- edge shapers, four OR gates, two RS flip-flops, two AND gates, two counters, two averaging filters, subtraction unit, clock generator, monostable multivibrator, and two final elements. EFFECT: enlarged functional capabilities. 3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DIFFERENTIAL-PHASE RELAY | 2002 |
|
RU2222087C1 |
| PHASE-DIFFERENCE RELAY | 2002 |
|
RU2220468C1 |
| PHASE-DIFFERENCE RELAY | 2002 |
|
RU2220471C1 |
| PHASE-DIFFERENCE RELAY | 2003 |
|
RU2237312C1 |
| FREQUENCY RELAY | 2002 |
|
RU2208865C1 |
| PHASE-DIFFERENTIAL RELAY | 2002 |
|
RU2224323C1 |
| DIFFERENTIAL-FREQUENCY RELAY | 2002 |
|
RU2222086C1 |
| SYNCHRONIZATION RELAY | 2002 |
|
RU2224321C1 |
| SYNCHRONIZATION RELAY | 2002 |
|
RU2222068C1 |
| RELAY REGULATOR | 2002 |
|
RU2231912C2 |
