OUTDOOR SWITCHGEAR FOR MEDIUM-VOLTAGE SUBSTATION Russian patent published in 1997 - IPC

FIELD: components of electric power substations. SUBSTANCE: switchgear installation has cubicles formed by posts with insulators, with buses arranged on top part; each cubicle accommodates draw-out equipment unit incorporating device for connecting its poles to buses which is, essentially, assembly of plug-in or gripping connectors; buses of each phase are arranged in cubicles in open circuit on brackets directed inside cubicle holding switching-equipment unit; cubicles accommodating units on assemblies with auxiliary equipment have their buses connected in closed circuit; here, draw-out bogie is provided with devices for vertical displacement of equipment and horizontal movement of bogie. EFFECT: facilitated repair procedures. 4 cl, 3 dwg