ESD5111 GAC Alternative Speed Controller

About this part

When speed control fails, the engine hunts, overspeeds or cannot pick up load, and the frequency drifts out of tolerance.

Features

• Isochronous Operation ±0.25 % or better
• Speed Range /Governor 1 K - 7.5 K Hz Continuous
• Speed Drift with Temperature ±0.5 % Typical
• Idle Adjust CW MIN 1200 Hz Below set speed
• Idle Adjust CCW MIN. 4100 Hz Below set speed
• Droop Range 1 - 5 % Regulation
• Droop Adj. MAX (K-L Jumpered) 875 Hz., ±75 Hz per 1.0 A change
• Droop Adj. MIN (K-L Jumpered) 15 Hz., ±6 Hz per 1.0 A change

When to replace it

• Engine speed hunting or surging
• Frequency drifting under load
• Engine will not reach rated speed
• Overspeed shutdowns

Before you order

Match the controller to the actuator and supply voltage, and set gain and stability with the engine running, first off load and then with a load step.

Match the number stamped on the part you are removing, or the number in your engine or alternator manual, before ordering. Part numbers are shown for reference so the right replacement can be identified.

Questions