AN INTERNAL ROBOT-MANIPULATOR FOR UNMANNED OPERATION AND MAINTENANCE IN WITHDRAWABLE CIRCUIT BREAKERS, AND A METHOD OF OPERATING THE ROBOT-MANIPULATOR

摘要

The invention relates to an indoor switchgear or controlgear arrangement with unmanned operation and maintenance, for the use in low, medium or high voltage, with an arrangement of switching devices in an inner housing, which is furthermore provided with an outer housing, according to the preamble of claim 1 and 2. In oder to exclude most of the human safety related components from the switchgear or controlgear design while keeping the switchgear or controlgear service continuity and personnel safety aspects on the highest levels, the invention is, that the switchgear or controlgear is provided with a robot system, acting mainly in the inner housing, that at least the switching devices other maintenance critical parts are withdrawable, that the switchgear or controlgear is provided with interlocks, in order to prevent wrong sequence of operation and prevent access to potentially hazardeous compartments, and that metalic, internally in the inner housing segregation is provided, in order to achieve needed service continuty level.