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Old 18-03-2023, 19:32   #1
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Join Date: Oct 2019
Location: Berkeley CA
Boat: 1970 Ericson 35 MKII
Posts: 32
3 phase motor ID and testing

Anyone recognize this motor or know how to diagnose ir
t?

3 phase 48V dc
At the motor, 0 ohms between A,B,C phase

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Old 18-03-2023, 19:47   #2
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Boat: Dufour 310
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Re: 3 phase motor ID and testing

It can't be 3 phase and DC.. Photos not working.
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Old 18-03-2023, 20:36   #3
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Re: 3 phase motor ID and testing

https://ibb.co/RBjFvgq
https://ibb.co/7kXZXCg
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Old 21-03-2023, 21:14   #4
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Boat: 1970 Ericson 35 MKII
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Re: 3 phase motor ID and testing

Bump. This motor was on a Catalina 30 installed by a company called AMeP Advanced Marine Electrical Propulsion by Tradewinds sailing in San Francisco around 2011-2013. Anyone ever seen this? 1" shaft. Boat is "Risky"
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Old 23-03-2023, 06:45   #5
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Location: Live aboard in Simonstown (Cape Town) - now Grenada having crossed the Atlantic.
Boat: 1986 Bruce Roberts 45 raised saloon
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Re: 3 phase motor ID and testing

Google "diagnosing brushless DC motor", which I believe is what you are looking at.
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Old 23-03-2023, 06:48   #6
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Re: 3 phase motor ID and testing

https://mdpi-res.com/d_attachment/pr...ion=1672221066
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