SAFTRONICS
1
1.0 DESCRIPTION
1.1 Overview DF8 "Plus" series fully regenerative four quadrant thyristor control-
lers are designed to control the speed of wound field or permanent
magnet dc motors from ¼ to 5 hp. These drives can also be modified
to become torque control regulators. DF8 "Plus" drives are supplied
in either chassis or Nema 1 enclosed formats.
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• Control block diagram
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• Four quadrant operation
Note:
Arrows same direction
Motoring
Arrows opposite
Braking
Motor rotation
Torque