General Category > General Discussion
Lister-Petter Generator Wiring Diagram!!!
Philbo1983:
Hi guys! Hopefully someone can help me. I have what I think is a lister-petter tr1 which has no I’d badge. The engine is running, however I am not getting power from the generator side. I am aware that the control board is not the original and not suitable. Before I throw more money at it, I wanted check everything over. However finding a wiring diagram for this particular manufacturer (Thrup Stroud) is proving very difficult.
I have been in touch with Lister-Petter, Mead plant uk, Sleeman & Hawken, Bob (off here) and some other guys up my neck of the woods.
I would really appreciate if someone can get me a wiring diagram. 🙏
Please see pictures below…
ajaffa1:
Hi Phil, Lister owned a company called Brush which made generator heads. Hawker Siddeley took it over. I do not know if they redesigned the generator heads they made. It could be that you have a brush style generator head which incorporates a starter motor. Photos of the slip rings/commutator and all surviving wiring would certainly help. We may be able to create our own wiring diagram.
Bob
Philbo1983:
Hi Bob,
Thank you for your response once again. There is no slip rings, commutator or brushes on this model. The best way I can describe with out stripping at down again for pictures, is that the rotor has many windings along with diodes. And the stator also has many windings with diodes connected. There is no physical electrical connection between the stator and the rotor. This would appear to work through induction??
ThomasEriksen:
Hi,
That sound like a brushless generator, two parts rotor with diodes in between.That also means two part startor, one part sends field current to rotor and other part power out.If this sounds right, I would check resistance of the field part of the stator first, if ok, I would flash it like a normal generator
ajaffa1:
I`m with ThomasEriksen, it does sound like a brushless generator. Check the condition of the windings with a multimeter, also check the condition of the diodes. The worst thing for a generator is to shut it down under load, this causes the amps to rise as the voltage drops, high currents can burn out windings and diodes, it can also destroy the residual magnetism needed for it to start to generate when next started. If everything checks out OK flash the field windings to restore residual magnetism.
Bob
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