POWER SWITCHGEAR INCLUDING AIR-INSULATED SWITCHGEAR WITH DRAW-OUT UNITS FOR MEDIUM-VOLTAGE LINES Russian patent published in 2004 - IPC

FIELD: power engineering. SUBSTANCE: proposed power switchgear incorporating power connection, disconnection, and grounding functions has switchgear module assembled of modular units performing their respective functions, these function-oriented modular units being basic unit, pole unit, and drive unit; unified basic unit is rigidly coupled with unified drive unit and the latter is installed on unified basic unit for rectilinear movement. EFFECT: provision for complex design of switchgear functionally independent of various types of devices. 4 cl, 3 dwg