高层建筑中最常用的高压主接线形式，两路电源同时供电、互为备用，通常母联

The most commonly used form of high-voltage main wiring in high-rise buildings. Two power supplies provide power at the same time and are standby for each other. Usually the bus-connected switch is a circuit breaker, which can be switched manually or automatically.

In high-rise buildings, the most commonly used high-voltage main wiring form, two power supply at the same time power supply, mutual backup, usually the mother switch for the circuit breaker, can be switched manually, can also be automatically switched.

In high-rise buildings, the most common form of high-voltage main wiring is that two power supplies supply at the same time and are standby for each other. Usually, the buscouple switch is a circuit breaker, which can be switched manually or automatically.<br>