Can ordinary hotels install double-loop circuits?

For important loads, if power failure will cause safety, personal and political harm and great economic losses, double-loop power supply can be adopted, and two power supply lines are introduced from different power supply points to supply power to the load, one is working and the other is standby. When the working power supply disappears, the standby power supply can be automatically or manually connected to ensure uninterrupted power supply.

The state stipulates that first-class workshops and first-class buildings must use dual power supply. For example, a four-star hotel must use double power grids and double high voltage power supply, one for main supply and one for standby. The standby power supply can also be the high voltage of the same power grid, the low voltage of 220 volts introduced by different power grids, and the large inverter battery pack. The secondary power supply should be called secondary circuit, which is an auxiliary circuit and a control circuit. It is used to operate, control and monitor the primary circuit.