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HPEVS AC electric motors for golf cars EM parking Brake for golf cars hpevs golf car lithium battery pack HPEVS 144 volt Drive System HPEVS AC Electric Motor for Mining Industry HPEVS AC Electric motor, 96 Volt Drive System HPEVS AC electric motors for motorcycles HPEVS AC electric motors for industrial vehicles HPEVS Troubleshoot and Diagnostics HPEVS Curtis Controllers dimensional information wheeler_dealers_maserati eletric GT Ferrari 308 GTE EV West Factory Five build
Our "Original" AC Drive System For Golf Cars Just Got A Whole Lot Better With The Introduction of an Automatic Parking Brake!!
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HPEVS Golf Car Drive Systems

The "ORIGINAL", and still the best AC drive system available for your golf car!

Now Our Golf Car Drive Systems Come With
a 5 Year Warranty!!
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We have Designed and Developed A Lithium-Ion Battery Kit For Golf Cars That Is Completely Integrated With The HPEVS Golf Car AC Drive Systems
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144 Volt Automobile Systems

The Scion pictured has the first prototype!




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Mining Vehicle Systems

Specialty motors designed and built for your specific applications!





To get information, please click on "Details" tab below.
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96 Volt Automotive Systems

This is one of many systems available for auto conversions!



To get information, please click on "Details" tab below.
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Motorcycle Systems

WHAT A RUSH!!





To get information, please click on "Details" tab below.
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Utility Vehicle Systems


We have a drive system to fulfill your utility vehicle requirements!




To get information, please click on "Details" tab below.
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Diagnostic and Troubleshooting Documentation.





To obtain this information, please click on "Details" tab below.
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We have added to our website dimensional drawings of the Curtis Instruments controllers.

These drawings can be helpful during the design phase of a project.

To get information, please click on "Details" tab below.
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Hosts Mike Brewer and Edd China From The TV Show Wheeler Dealers Teamed Up with EV West to Install a HPEVS Drive System Into a 1985 Maserati Bi Turbo
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It is Amazing To Us To See What Can Be Done With Our Drive Systems! Here Is Yet Another Example!
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The Folks at EV West Have Created a Vehicle with One of Our Drive Systems!



To get information, please click on "Details" tab below.
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Links to our main drive system page
HPEVS Drive Systems

Our are powerful, efficient and reliable. Find out what our drive systems can do for your project.
Links to HPEVS power graphs
Power Graphs Link

The power graphs can be accessed by clicking on the above graphic.
Link to HPEVS schematics
Schematics, Instructions and Troubleshooting

To assist you, our customers, we have compiled all the documentation needed to wire, program and troubleshoot. The wiring diagrams include documentation for on-road vehicles, golf cars and hydraulic pump applications. Click on the graphic above to open the page with the information.

Main Menu:

What's New

We have included a variation of the AC-20 motor called AC-23! The motor is wound to produce higher torgue compared to the AC-20 motor! Please check AC-2X motor page for more information!
AC 2x Family of Motors

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AC-50 Power Graphs



Here are the results for the AC-50 that came from our in house dynamometer. The graphs are attached to the tabs below.



Published graphs are for INFORMATIONAL purposes ONLY and are NOT intended to be used to calculate motor efficiencies.
  • Instructions
  • AC-50

Instructions

1. Click on the tab for the motor of interest.

2. When the tab has been selected, the tab will turn to a gray background. This signifies that the tab selected is active.

3. First, select the motor you want information on

4. Then select either imperial or metric

5. Next, select the voltage

6. And finally select either "Peak Graphs" or "Continuous Graphs".

7. If you selected the "Peak Graphs", select the amperage that you want to look at.

  • Imperial
  • Metric
  • 48 Volt
  • 72 Volt
  • 96 Volt
  • 108 Volt
  • 144 Volt
  • 48 Volt Peak Graph
  • Continuous Graphs
  • 650 amp
AC50 at 48 Volts/650 Amps
Imperial Peak
ac50 48 volt 650 amps
Click on image for PDF file to print.
AC50 at 48 Volts
Fan Cooled

AC50 at 48 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 48 Volts
NON Vented NO Fan Cooling

AC50 at 48 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
  • 72 Volt Peak Graph
  • Continuous Graphs
  • 550 amp
  • 650 amp
AC50 at 72 Volts/550 Amps
Imperial Peak
ac50 72 volt 550 amps
Click on image for PDF file to print.
AC50 at 72 Volts/650 Amps
Imperial Peak
ac50 72 volt 650 amps
Click on image for PDF file to print.
AC50 at 72 Volts
Fan Cooled

AC50 at 96 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 72 Volts
NON Vented NO Fan Cooling

AC50 at 96 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
  • 96 Volt Peak Graph
  • Continuous Graphs
  • 650 amp
AC50 at 96 Volts/650 Amps
Imperial Peak
ac50 96 volt 650 amps
Click on image for PDF file to print.
AC50 at 96 Volts
Fan Cooled

AC50 at 96 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 96 Volts
NON Vented NO Fan Cooling

AC50 at 96 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
  • 108 Volt Peak Graph
  • 650 amp
AC50 at 108 Volts/650 Amps
Imperial Peak
ac50 108 volt 650 amps
Click on image for PDF file to print.
  • 144 Volt Peak Graph
  • Continuous Graphs
  • 500 amp
AC50 at 144 Volts/500 Amps
Imperial Peak
ac50 144 volt 500 amps
Click on image for PDF file to print.
AC50 at 144 Volts
Fan Cooled

AC50 at 144 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 144 Volts
NON Vented NO Fan Cooling

AC50 at 144 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
  • 48 Volt
  • 72 Volt
  • 96 Volt
  • 108 Volt
  • 144 Volt
  • 48 Volt Peak Graph
  • Continuous Graphs
  • 650 amp
AC50 at 48 Volts/650 Amps
Metric Peak
ac50 48 volt 650 amps
Click on image for PDF file to print.
AC50 at 48 Volts
Fan Cooled

AC50 at 48 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 48 Volts
NON Vented NO Fan Cooling

AC50 at 48 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
  • 72 Volt Peak Graph
  • Continuous Graphs
  • 550 amp
  • 650 amp
AC50 at 72 Volts/550 Amps
Metric Peak
ac50 72 volt 550 amps
Click on image for PDF file to print.
AC50 at 72 Volts/650 Amps
Metric Peak
ac50 72 volt 650 amps
Click on image for PDF file to print.
AC50 at 72 Volts
Fan Cooled

AC50 at 72 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 72 Volts
NON Vented NO Fan Cooling

AC50 at 72 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
  • 96 Volt Peak Graph
  • Continuous Graphs
  • 650 amp
AC50 at 96 Volts/650 Amps
Metric Peak
ac50 96 volt 650 amps
Click on image for PDF file to print.
AC50 at 96 Volts
Fan Cooled

AC50 at 96 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 96 Volts
NON Vented NO Fan Cooling

AC50 at 96 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
  • 108 Volt Peak Graph
  • 650 amp
AC50 at 108 Volts/650 Amps
Metric Peak
ac50 108 volt 650 amps
Click on image for PDF file to print.
  • 144 Volt Peak Graph
  • Continuous Graphs
  • 500 amp
AC50 at 144 Volts/500 Amps
Metric Peak
ac50 144 volt 500 amps
Click on image for PDF file to print.
AC50 at 144 Volts
Fan Cooled

AC50 at 144 Volts, Fan Cooled
Click on image for new window to print.

 AC50 at 144 Volts
NON Vented NO Fan Cooling

AC50 at 144 Volts, NON Vented NO Fan Cooling
Click on image for new window to print.
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