| 摘要 |
The invention relates to art electrical power system far operating elevators. The electrical power system comprises: an electricity distribution network (1) of a building, which comprises an interface to a public electricity network (2); a plurality of hoisting machines (3) of an elevator, each of which hoisting machines of an elevator is equipped to move an elevator car (4) in an elevator hoistway; and also a power supply system (5), which comprises an interface to the aforementioned hoisting machines (3) of the elevator, and which power supply system comprises an interface to the electricity distribution network (1) of the building, for supplying power between the hoisting machines (3) of the elevator and the electricity distribution network (1) of the building. |
