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MGTF1250Dave
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Solid State Voltage Regulator Update
Aloha All,
Last week I installed a solid state voltage regulator in my TR3A. I was asked to report on how it worked out. I had a non working Lucas voltage regulator converted by Bob Jeffers at Wilton Auto Electrics. I mailed off the old regulator on May 11th and received the converted regulator by mail on May 22nd, quick turn around since we are talking about Hawaii to New Hampshire and back.
It is important to let Bob know what model generator you have installed since the maximum amperage output of Lucas 12V generators vary. The conversion has a current limiter in it so you don't over load the generator. On the TR3 the stock generator, model C39PV2 is a 19 amp generator however later type C40 series can be installed and these vary between 20 to 25 amps. If for example the limiter is set for 22 amps, but you have a 19 amp generator, you can overload it and burn the armature. If however the limiter is set for 19 amps, a 22 amp generator will work, but not to it's full capacity.
The electro-mechanical regulator previously installed would cause wild fluctuations in the amperage gauge when turn signals or when other electrics were switched on. This was especially the case when at idle or low engine rpm. The new solid state regulator has stopped this fluctuation. I am very pleased with solid state unit and no maintenance is required. I have not noticed any problem with engine compartment heat affecting the electronics. I also asked Bob about this and he told me that all components used are rated for -40 to +84 degrees C(-40 to 183 degrees F) so I don't anticipate a problem. He also told me he has not had any report heat problems with any conversion he has done.
I plan to have the original, but not working voltage regulator for my MG converted.
Here is a photo of it in the car:
Aloha All,
Last week I installed a solid state voltage regulator in my TR3A. I was asked to report on how it worked out. I had a non working Lucas voltage regulator converted by Bob Jeffers at Wilton Auto Electrics. I mailed off the old regulator on May 11th and received the converted regulator by mail on May 22nd, quick turn around since we are talking about Hawaii to New Hampshire and back.
It is important to let Bob know what model generator you have installed since the maximum amperage output of Lucas 12V generators vary. The conversion has a current limiter in it so you don't over load the generator. On the TR3 the stock generator, model C39PV2 is a 19 amp generator however later type C40 series can be installed and these vary between 20 to 25 amps. If for example the limiter is set for 22 amps, but you have a 19 amp generator, you can overload it and burn the armature. If however the limiter is set for 19 amps, a 22 amp generator will work, but not to it's full capacity.
The electro-mechanical regulator previously installed would cause wild fluctuations in the amperage gauge when turn signals or when other electrics were switched on. This was especially the case when at idle or low engine rpm. The new solid state regulator has stopped this fluctuation. I am very pleased with solid state unit and no maintenance is required. I have not noticed any problem with engine compartment heat affecting the electronics. I also asked Bob about this and he told me that all components used are rated for -40 to +84 degrees C(-40 to 183 degrees F) so I don't anticipate a problem. He also told me he has not had any report heat problems with any conversion he has done.
I plan to have the original, but not working voltage regulator for my MG converted.
Here is a photo of it in the car:
