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Messages - Adscnc

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1
Generators / Re: Lister HA and Brush RS1B generator
« on: August 27, 2021, 08:11:27 PM »
Yes the lacing of the that pair of wires is a work of art.
I wondered whether it might be something that measures amps as it is wired into the voltage /amperage display switch.
Al

2
Generators / Re: Lister HA and Brush RS1B generator
« on: August 26, 2021, 07:28:58 PM »
Hi Bob
All points noted.
The connector block is rated at 32amp but I will look for something more OE.
In the the attached photos what do you think is the round item. Looks like a buzzer ?
Al

3
Generators / Re: Lister HA and Brush RS1B generator
« on: August 26, 2021, 01:20:51 PM »
Will do thatís my style.
Many thanks for your help, couldnít have done it without you.
If you ever need any thing sourcing from the uk let me know and Iíll try and help.
Regards
Al

4
Generators / Re: Lister HA and Brush RS1B generator
« on: August 26, 2021, 01:12:22 PM »
Bingo! 427 volts each phase!
Enjoyed every moment :)

5
Generators / Re: Lister HA and Brush RS1B generator
« on: August 26, 2021, 11:06:20 AM »
Morning Bob.
I think itís going to be a good day!
I didnít go to the motor rewinds CO.
It was bothering me that I could not get any response from any of the tappings , so I stripped down the connector block to double check everything.
I found that all my connections were sound and then it hit me.
The magnet wire is enamel coated! I didnít know that, but I do now.

So in the process of burning off and sand papering down to metal.
Update you later!
  :)


6
Generators / Re: Lister HA and Brush RS1B generator
« on: August 25, 2021, 09:48:26 PM »
Yep it seems to be pointing at the transformers, Iíll get them checked tomorrow.

7
Generators / Re: Lister HA and Brush RS1B generator
« on: August 25, 2021, 07:05:25 PM »
Nothing about it makes me think itís over heated, but I will take it tomorrow to be tested.
Let you know ASAP.
Thanks
Al

8
Generators / Re: Lister HA and Brush RS1B generator
« on: August 25, 2021, 06:03:00 PM »
Do you know how to test the windings?

9
Generators / Re: Lister HA and Brush RS1B generator
« on: August 25, 2021, 04:58:24 PM »
Ok, with a 2500w kettle plugged in the single phase and neutral the voltage dropped from 169 to 159.

10
Generators / Re: Lister HA and Brush RS1B generator
« on: August 25, 2021, 04:37:06 PM »
See pics of set up.
I,m getting 268 v across phases 1,2 and 3 and 169v across a phase and neutral.
I will try and find a kettle to put the single phase under load?

Al

11
Generators / Re: Lister HA and Brush RS1B generator
« on: August 25, 2021, 12:43:04 PM »
Hi Bob

I sprayed the coils and wire with a good anti tracking spray.
The thicker cables run right back to the brushes.
Not sure how I test the phases without these attached.

Al

12
Generators / Re: Lister HA and Brush RS1B generator
« on: August 24, 2021, 09:11:09 PM »
Ok Bob I will have ago at that tomorrow.

When I fired it up for the very first time I had 400 + volts show on the volt meter, after about 30 secs I thought I saw the volt meter increase considerably and by that time it had started to smoke so I shut it down.

I have tested the bridge rectifier and it is ok. All six readings are good.

Al

13
Generators / Re: Lister HA and Brush RS1B generator
« on: August 24, 2021, 06:18:24 PM »
I have disconnected all transformer connections and done some tests as below.
There are no shorts to ground.
Continuity between in put and out put is good.
Not sure how to test tappings, but again no shorts here or indeed any continuity with anything on the tappings.
I have a megger and all cables have very good insulation.
All three transformers behave the same.
Is there anything else I can do?

14
Generators / Re: Lister HA and Brush RS1B generator
« on: August 24, 2021, 03:28:32 PM »
Ok Bob Iíll work through that, Iíll keep you posted.
Thanks.

15
Generators / Re: Lister HA and Brush RS1B generator
« on: August 24, 2021, 01:02:23 PM »
Another question.
When flashing the stator windings do you do it either engine running?

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