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Old 07-12-2018, 06:36 AM   #1
Joatmony2k
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Default Stupid question shunt or sepex

Iím learning and have seen this a lot and was wondering or these the same type motors? Also witch ones have a speed switch on them?

Iím asking this to better understand the difference. I seen the pic of series and sepex but I see some refer to a shunt motor.


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Old 07-12-2018, 06:43 AM   #2
LukeL
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Default Re: Stupid question shunt or sepex

Sepex is another term for a Shunt wound motor. Thy are often called ďSepexĒ, ďShunt woundĒ, or ďRegenĒ motors. They all have speed sensors on the end.

A Series motor has no speed sensor and is driven by a totally different system.


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Old 07-12-2018, 06:45 AM   #3
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Default Re: Stupid question shunt or sepex

BTW if your cart is a PDS itís a Sepex motor.


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Old 07-12-2018, 07:01 AM   #4
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Default Re: Stupid question shunt or sepex

Ok I have a 2002 ezgo freedom PDS and my motor has small winding like the pic shows but does not have a speed switch. It has two big bolts and two small bolts on the motor nothing else.


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Old 07-12-2018, 07:06 AM   #5
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Default Re: Stupid question shunt or sepex

That might be a DCS motor then? Is your forward and reverse switch on the dash?


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Old 07-12-2018, 07:15 AM   #6
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Default Re: Stupid question shunt or sepex

DCS was the worlds first production Separately Excited golf cart drive system aka Sepex drive. Released in 1995 the motor had no speed sensor or wires from the tail shaft to track motor rpms.
PDs was introduced in 2000. This system incorporated a motor speed sensor which counted rpms and sent that information to the speed controller.

Alltrax aftermarket speed controllers came out about the same time as the PDS cart. These controllers for sepex drive were called DCX. These controllers did not monitor motor rpm. Often the motor wire harness was coiled up or removed.
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Old 07-12-2018, 07:30 AM   #7
Joatmony2k
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Default Re: Stupid question shunt or sepex

Quote:
Originally Posted by LukeL View Post
That might be a DCS motor then? Is your forward and reverse switch on the dash?


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Yes


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Old 07-12-2018, 07:31 AM   #8
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Default Re: Stupid question shunt or sepex

You must have an aftermarket controller that doesnít use a speed sensor. Read what ScottyB just wrote. He knows this stuff better than most of us!


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Old 07-12-2018, 07:49 AM   #9
Joatmony2k
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Default Re: Stupid question shunt or sepex

Quote:
Originally Posted by LukeL View Post
You must have an aftermarket controller that doesnít use a speed sensor. Read what ScottyB just wrote. He knows this stuff better than most of us!


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It did have a Altrax DCS300 on it that I bought that way. And Iím going with a Navitas now and just want to make sure before I get the wrong one.


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Old 07-12-2018, 07:57 AM   #10
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Default Stupid question shunt or sepex

Thereís your answer then [emoji4] you need a Sepex controller.


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