Two quadrant chopper with DC motor

A two-quadrant chopper with a DC motor allows for bidirectional current flow in one direction of voltage enabling motoring and regenerative

What is a Two-Quadrant Chopper?

In power electronics, a chopper is a DC-DC converter. A two-quadrant chopper can control both:

• Direction of current (positive and negative current)
• Sign of voltage remains the same (usually positive)

So the operation is in quadrants I and II of the torque-speed plane.➕ Quadrant I (Motoring)

• Voltage: Positive
• Current: Positive
• Motor drives the load (normal motoring)

➖ Quadrant II (Regenerative Braking)

• Voltage: Positive
• Current: Negative
• Motor acts as a generator and returns power to the supply