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* The photo above is a general representation of what this kit will look like. System components are subject to change without notice. |
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PMAC-G4845 Drive Kit
48V, 450A
Includes:
Sevcon Gen4 Controller w/ Regen.
Motenergy ME1114 Brushless Motor
Wire Harness
Pre-Assembled
19.5hp peak at 36V, 25hp peak 48V
48VDC default (can reprogrammed for 36V)
Multipurpose- great for marine craft, land vehicle, automation, or many other applications.
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Price:
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PMAC Drive Kit
The Electric Motorsport PMAC-G4845 kit will convert your gas or diesel engine to clean, silent electric propulsion! This kit is designed for inboard or outboard electric marine drive system conversions (specifically sailboats or light boats), but is also suitable for many other applications. Electric drive systems of this power usually cost $7,000 and up, but this *pre-assembled kit makes it affordable at less than half of the cost
Features
- Variable Throttle for smooth speed control
- Brushless Motor design makes brush maintenance a thing of the past.
- Easy forward and reverse switching with a flip of a switch
- Motor and Controller support Regen which means with an appropriate prop this system can recapture energy to help recharge the battery pack. So under a heavy sail this system can be generating power off the dragging prop*.
- Drive motor can be mounted inboard OR outboard for marine applications.
- Pre-assembled and tested. Just connect the phase cables to the motor and battery pack to the main power connector.
Kit Includes
- Motenergy brushless ME1114 motor
- Gen4 controller
- Potentiometer box throttle or Magura Twist-Grip Throttle
- Foreward/Reverse switch
- Ignition key
- Contactor
- Fuse
- Wiring harness
Motor Features
Quieter Operation
Improved durability
High 92% Efficiency
Smoother acceleration
Lighter weight (only 35 lbs.)
Easy forward/reverse switching
Low torque ripple at low speed
NEW Bi-directional fan for increased air flow
NEW Sine/cosine speed sensor
NEW Aluminum fan cover
NEW Protective phase terminals cover
Motor Specifications
Designed for long life. No brush maintenance. The motor is 92% efficient at voltages between 24 to 72 VDC. Continuous current of 125 amps AC (180 Amps DC into the motor control). This is a 3-phase, Y-connected permanent magnet synchronous motor with an axial air gap and sine/cosine speed sensor. It has two stators with a rotor in the center.
- 4 pole motor
(8 magnets).
- Phase to Phase winding resistance is 0.065 Ohms with 20 turns per phase.
- Rotor speed: 3360 rpm
at 48V or 2520 rpm at 36V
- Torque constant of 0.12 Nm per Amp
- The Inductance Phase to Phase is 0.05 Milli-Henry
- Armature Inertia: 45 Kg Cm Squared
- Current: 125 Amps AC
continuous (180 Amps DC into the motor control)
- Peak current: 420 Amps AC for 1 minute (600 Amps DC into the motor control)
- Weight: 35 pounds
- Peak Stall Torque: 60 ft lb.
- Cooling: Open Frame, Fan Cooled motor
- Includes temperature sensor
Controller Specifications
The Gen4-series represent the absolute latest design concept for compact and reliable AC Controllers. They feature the smallest footprint in the industry for their power capability. The high efficiency of these controller makes it possible to integrate them into very tight spaces without sacrificing performance. The design has been optimized for the lowest possible cost while maintaining superior reliability in the most demanding applications.
The Gen4 controllers are designed to control either AC Asynchronous motors or PMAC Synchronous motors. This feature allows users to select optimal motor solutions for any application. Both UVW and encoder AB inputs are provided for maximum flexibility.
Features:
Sealed IP66 enclosure
Integrated logic circuit (I/O)
Advanced flux vector control
Autocheck - system diagnostics
Sensorless control (depending on application)
CANopen product
| Nominal Voltage |
36 - 48 VDC |
| Operating Voltage |
19.3 - 69.6 VDC |
| Cont. Current (120s) |
180A |
| Current (120s) |
450A |
| Boost (10s) |
540A |
Note about marine usage: Due to the high RPM of the motor, we recommend using a gear reduction system rather than direct-drive. This will improve efficiency, provide proper torque and cooling, and prevent cavitation. Typical reduction is around 3:1, but will depend on the required prop RPM needed to reach hull speed. Proper reduction will enable the motor to spin your prop at the hull speed RPM of your prop when it is spinning at its max RPM. This number can be estimated using the 70 rpm/volt constant (48 volts * 70 rpm/volt ~ 3400 rpm max). Choose a prop design based on motor rpm and the boats hull speed.
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