The distribution cabinet (box) is divided into power distribution cabinet (box), lighting distribution cabinet (box), and metering cabinet(box), and is a low-level equipment in the distribution system. The distribution cabinet is a general term for the motor control center. Thedistribution cabinet is used in situations where the load is relatively dispersed and there are fewer circuits, The motor control center isused in situations with concentrated loads and multiple circuits, They distribute the electrical energy of a certain circuit ofthe higher-lev.el distribution equipment to the nearby load. This level of equipment provides protection, monitoring, and control for loads.
(1) The primary distribution equipment is collectively referred to as the power distribution center. They are centrally installed inenterprise substations, distributing electrical energy to lower level distribution equipment in different locations. This levelThe equipment is close to the step-down transformer, so the electrical parameters are required to be high and the output circuit capacitis also large.
(2) Secondary distribution equipment is a colective term for power distribution cabinets and motor control centers. "The power distribution cabinet is used in situations where the load is relatively dispersed and there are fewer circuits; The motor control center is used insituations with concentrated lo ads and multiple circuits, They distribute the electrical energy of a certain circuit of the higher-levelistribution equipment to the nearby load. This level of equipment provides protection, monitoring, and control for loads.
(3) The general term for ungraded distribution equipment is lighting power distribution box. They are located far from the power supplycenter and are scattered small capacity distribution equipment.
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