The most common carrier for AC power supplies are the CRS 8-Slot carrier, the most common supplier being cisco. The CRS 8-Slot helps the AC power supply to provide reliable power to all components.
By using rectification we can convert the AC into DC....
For residential equipment it is 24 volts
A transformer cannot convert AC into DC.
The most common way of dropping AC voltages is with a transformer. 80 volts is not a common secondary voltage. This type of transformer would be manufactured for OEM (Original Equipment Manufacturer) only equipment and not for the general public. A motor shop might be able to wind one for you if you have a transformer core that they could use. You would have to let the winding shop know what the connected load current is at 80 volts.
Most of the motors are AC. Fans, Mixer, Industrial equipment, Aircon, vacuum cleaner, plenty of applications use AC motor
Transformer Power Supply
Original equipment.
DC Bridge... We use DC supply, Detector is also a DC current detector and we use only resistive components no need for wegner's earthing device balancing time is comparatively less.. where as in AC bridges opposite of above. i.e. AC supply, AC current detector resisitive+ reactive componants need for wagner's earthing device and balancing time is high as we use AC supply..
R12 is original equipment
vac stands for AC voltage
Take it to someone with the equipment to do so.