| 摘要 |
PURPOSE:To deal quickly with the faults of the controlling apparatuses of a switchboard when they are generated, and to improve the utilization efficiency of the space present in the switchboard. CONSTITUTION:Controlling apparatuses are classified by the respective controlling functions of their controlling circuits. For example, they are configured as controlling units 51, 52, 53, 54 comprising withdrawal type trays. Main circuit apparatuses such as a circuit breaker 21 and a disconnector 22 and the respective controlling units 51, 52, 53, 54 are provided respectively inside doors 11, 12 of the switchboard. |
