transformer. A traditional linear charging circuit is used for the Blazer series . Regulator
LM317 is used to adjust the battery charging voltage. The charging voltage is 13.3—
14.2V.
g)
Inverter circuit :
The inverter circuit is based on a push-pull circuitry to drive inverter transformer
coil .
h)
Panel PCB :
The UPS display device contains one led and one switche .
l)
Batteries:
Acts as a power supply source while the UPS is at battery mode. Different types of
batteries are used for different models of UPS:
600VA : 12V7Ah *1 pc
400VA : 6V4Ah *2pc
800VA : 1245W*1pc
4