Do contollers have overheat protection?? Re: Cyclone controller

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PJIII
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Joined: Friday, March 26, 2010 - 11:24
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Do contollers have overheat protection?? Re: Cyclone controller

I would like to know if controllers in general have overheat protection where they shut down & specifically whether or not a CYCLONE controller has it. I have a complete new Cyclone system--a 650 watt & the controller is remote to where I cannot feel it while riding. On one of my 1st test runs I had just climbed a steep bridge (I had climbed it earlier & was on the return trip & some time had elapsed--1/2 hour or so) came down the slope and traveled a few blocks & the system shut down. I never saw a yellow light but may have missed it. When it stopped I turned the throttle wide open & got a red light so I pedaled home. @ the I was thinking the batteries were low so I put the charger on & much to my surprise the batteries were fully charged w/ 1-1/2 hours!!! (I did not think to feel the controller at the time---if it happens again I will) The other day, from a yellow light condition, I charged the batteries to full charge & that took 4 hrs. I have a 24 volt 6 amphr charger & am charging 2-24 volt 33 amphr batteries for a total 66 amphrs @ 24 volts.

The next time I have a full charge I am going to take a voltage reading & the same when they are discharged to the yellow condition for reference.

I have felt the controller after a flat road ride & it is hardly even warm.

Any information and/ or comments would be greatly appreciated.

PJIII
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Re: Do contollers have overheat protection?? Re: Cyclone ...

The server won,t let me edit---I forgot to say they are SLA batteries.

Cyclone 650 watt 24V trike

jateureka2
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Joined: Wednesday, May 5, 2010 - 15:04
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Re: Do contollers have overheat protection?? Re: Cyclone ...

What is the current limit on your controller? At 650W and 24V it is likely trying to draw around 30A.
SLA batteries are generally AHr rated for a 20 hour discharge period and the rating decreases substantially when higher currents are drawn - eg a 20AHr battery may only give 10Amps for 1Hr. But as you have 2 x 33Ahr batteries in parallel they should easily last an hour and is not likely to be your problem.
Have you checked your wiring? At those currents a small resistance can make a big difference to the voltage seen at the controller.

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