ELECTRIC SWITCHGEAR Russian patent published in 2012 - IPC H02B1/15 

FIELD: electricity.

SUBSTANCE: electric switchgear is installed on a specialised vehicle and comprises a body 1 arranged with availability of two detachable panels: front one 2 and rear one 3. On the front panel 2 with the help of a bracket 4 there is a unit installed with circuit breakers of power circuits protection (Q1…Q8) 5, a voltage monitoring instrument 6, switching devices 7, a control - indication unit in the form of a set of light indicators 8, electrically connected with the first block of electric elements 9. On the rear panel 3 at the inner side on bushings 10 from a dielectric material in parallel to each other there are two flat buses installed, "+" 11 and "-" 12, between which on the bracket 13 there is a unit of contactors 14 installed. The flat bus "+" 11 is connected with contactors 14 by buses 15 of J-shaped form. At the outer side on the rear panel 3 there is a unit for supply of external devices 16 with the second block of electric elements 17, placed in the body with a developed heat-exchange surface 18. Mounting areas 19 and 20 for attachment of cables with appropriate fittings are installed on the opposite walls of the device body 1. Besides, on one of the walls there is the third and the fourth blocks of electric elements 21 and 22 installed.

EFFECT: improved reliability and simplification of operation.

5 dwg