Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

Diagram of calculating the initial value of symmetrical short circuit current I "k from an equivalent voltage source(a)System diagram(b)System positive sequence equivalent circuit diagram

Example of emergency power system wiring

Lighting distribution system wiring diagram （Emergency lighting power supply and High-rise building)When the building is a Class A high-rise building, the two power supplies are the main power supply and the emergency power supply. When it is a class II high-rise building, it is appropriate to supply power with double circuits. The emergency lighting distribution box should be set according to the fire protection zone

Lighting distribution system wiring diagram （Low-voltage power supply and Multi-storey building）Use trunk type supply, the main distribution box installed in the bottom

Lighting distribution system wiring diagram powered by an external lineEmergency lighting is cross-powered by two main lines

Lighting distribution system wiring diagram with two transformer and two trunk

Lighting distribution system wiring diagram with one transformer and one trunk

Lighting distribution system wiring diagram with two transformer

Lighting distribution system wiring diagram with two transformer

Lighting distribution system wiring diagram with one transformer and battery