[modeleng] Re: voltage controll

Hi there Partick,

If I was tackling this myself, then I would possibly be thinking along 
the following lines. I may be wrong, but this is what my thoughts are...

Is this a common problem for other people using these 
generator sets - if so you'd think that there'd be other peoples comments 
about it online for the make you have.

If not, is it worth making sure you don't think it's something you're 
doing that's blowing it - 3 times is usually my limit for smoking bits 
before I sit down and have a few cups of tea, and run it past a colleague.

If you're happy it's a problem with this make of AVR then is there any 
sense in buying an AVR for a different make of generator set, one with a 
better reputation?

If not, then you're implying that all such AVR's have this kind of 
problem, and so no matter how much skill you have in the field, it will 
count for nothing, as you're looking at a reaearch and development 
problem, and you will doubtless spend more money on blown components in 
testing and trying that it will cost you to buy a handful of new AVR's - 
especially if we are talking high voltage and power components (unless 
this is your speciality).

You will also end up spending valuable workshop time doing what you do all 
day at work.

...it may be more of a reality check than what you were looking for - but 
I thought I'd put 'pen to paper' just incase the thoughts were of any use.


Yours,


Rich.

> ----- Original Message -----
> From: "Patrick Coppens- Marian Lynch" <sb286643@xxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Tuesday, March 27, 2007 4:21 PM
> Subject: [modeleng] voltage controll
>
>
>> Evnin' All
>>
>> I my Workshop, I have a 3 phase (6,5KVA) diesel genset.
>> This provides the current for my (big ) lathe and a number of other 3
>> phase motors.
>> For the 3rd time the AVR (automatic voltage controller) has clapped out.
>> At 100 euro's a pop, yours truly is fed up.
>> I am an electronics engineer, so I can design/ make a more robust one
>> myself, but it would help to have a circuit diagram of one.
>> The commercial ones are embedded in a sort of gunk ,to protect them from
>> moisture and prying eyes like mine...
>> So it is impossible to get that stuff of, without totaly mangeling to
>> circuitboard.
>> I did that anway, only to find out, that most of the components have no
>> serial/type numbers
>> Even the resistors are not colorcoded!
>> Any body any ideas?
>>
>> Patrick
>> Flanders
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