PROTECTIVE PANEL Russian patent published in 2005 - IPC

FIELD: electrical engineering; basic protective means for high- and medium-voltage power transmission lines.

SUBSTANCE: proposed panel designed for joint operation with high-frequency transceivers to protect 110 -.150 and 550 - 500-kV power transmission lines has six transformers, eleven resistors, closing contact, two turn number regulators, six capacitors, input current terminals for phases C, B, A, and neutral phase, voltage terminals of phases A - C, positive potential supply terminal, negative potential supply terminal, six output terminals, relay, four coils of current relay, coils of first and second polarized relays, five selector switches, two rectifier units, two chokes, and two lightning arresters.

EFFECT: enlarged functional capabilities.

1 cl, 2 dwg