| 摘要 |
FIELD: electrical engineering; resistance relays. ^ SUBSTANCE: proposed relay has final unit, potential transformer, turn number regulator, current transformer, two operational amplifiers, two rectifier units, three switches, six diodes, transistor, choke, zero-, negative-, and positive-potential terminals, five capacitors, and seventeen resistors. ^ EFFECT: enhanced operating precision of relay. ^ 1 cl, 1 dwg |
