Posted by Circuits Arena on Tuesday, 6 January 2015
Basic UPS Circuit Diagram is the artlcle explaining UPS Circuit : This is the circuit diagram of a straightforward UPS which will deliver 12V unregulated and 5V regulated DC. The electrical...
UPS Circuit:
This is the circuit diagram of a straightforward UPS which will deliver 12V unregulated and 5V regulated DC. The electrical device T1 steps down the mains voltage to 12V AC and so the bridge B1 rectifies it. The corrected signal is smoothened by the electrical condenser C1.When the mains provide is obtainable the battery are going to be charged via diode D3 and also the regulator IC gets provide via diode D5. 12V and 5V DC are going to be on the market at the output terminals.
Once mains provide isn't on the market the battery provides current to the regulator IC and to the 12V DC terminal through diode D4.Also, the diode D3 blocks reverse flow of current throughout battery mode. Capacitors C2 and C3 acts as filters.
Fig.Basic UPS Circuit Diagram.
- Assemble the circuit on a good quality PCB.
- The transformer T1 can be a 230V AC primary, 12V secondary,3A step-down transformer.
- The bridge B1 can be a 2A bridge. If such a bridge is not available, make one using four 1N4007 diodes.
- The capacitor C1 must be rated at least 25V.
