Transformers should choose energy-saving products with low loss and low noise, and meet the requirements of the target energy efficiency limit value and energy-saving evaluation value specified in GB20052, and its long-term working load ratio should not be greater than 75%.
The distribution transformer shall be D, yn 1 1 wiring group.
The passenger elevator should be an elevator equipped with high-efficiency motor and advanced control technology. Escalators and moving sidewalks should be equipped with energy-saving traction and energy-saving control devices and induction sensors.
When three or more passenger elevators are arranged in a centralized way, the passenger elevator control should have the functions of centralized control and group control according to the program.
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