Jorge Alonso
CANADA • + Follow
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Description
48 Volt 200 Amp Induction/Series motor controller
Key features of these controllers include:
- Infinitely variable drive and brake control
- Power MOSFET design provides high efficiency (for reduced motor and battery losses) and silent operation
- High pedal disable (HPD) function monitors throttle status during turn-on and prevents operation until throttle has been returned to neutral [optional feature]
- Thermal protection and compensation circuit provides both under-temperature and over temperature cutback, as well as steady current limit throughout the entire operating range
- Undervoltage cutback function protects against low battery voltage, including low voltage caused by external loads
- Throttle pot fault circuitry shuts off the motor in the event of an open circuit fault in the throttle or its wiring, to prevent runaway conditions
- Frequency shifting feature provides improved control of current limit at low duty cycles
- Simple installation with no adjustments required
All improvements and components selection suggestions are welcome. Image below is my original 1204 power board - circa 1984
Schematic and Layout
Aug 05,2022
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48 Volt 200 Amp Induction/Series motor controller
Recreating the curtis 1204 motor controller - Used in Electric Golf carts, Small Electric Vehicles, Forklifts, etc. Experimental WIP
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Published: Aug 05,2022
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