随着办公建筑的用电设备种类越来越多,如电力、照明、电梯、空调、消防、通信、计算机等,而且不断向智能化设备方面发展,耗电量明显增加,对供配电方面提出了许多新的要求,把供配电的可靠性、安全性、灵活性摆到了更为重要的位置。 With the increasing number of types of electrical equipment used in office buildings, such as electric power, lighting, elevators, air conditioners, fire fighting, communications, computers, etc., and continuously developing towards intelligent devices, the power consumption is significantly increased. Many new requirements have been put forward, putting the reliability, safety and flexibility of power supply and distribution in a more important position.