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
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PROTECTIVE PANEL | 2003 |
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Authors
Dates
2005-02-10—Published
2003-06-25—Filed