English Generator 110V 6KVA: Which modification (s) to obtain 220V?

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Enpisthemafleur
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English Generator 110V 6KVA: Which modification (s) to obtain 220V?




by Enpisthemafleur » 08/08/17, 21:27

Hello everyone !

So here is my little challenge of the moment.

I picked up a van equipped with an alternating current generator.
The advantage of this system is that the generator is coupled to the engine of the truck, at the stop of course.
And as said in the title this generator delivers alternating current to 50Hz 110V on a single phase.

Unfortunately there is no document available on the internet allowing me to know if there is a way to modify this generator to get 220V. So here, I need your knowledge if you want to enlighten me :)

Here is what's in the box on the generator.

DSC_0066.JPG


A small zoom on the terminals:

DSC_0071.JPG


Two more zooms on the capacitors:

DSC_0073.JPG

DSC_0075.JPG


And now, the array that receives and distributes the generated current:

DSC_0077.JPG


Inside the table:

DSC_0080.JPG

DSC_0081.JPG

DSC_0082.JPG

DSC_0083.JPG


And to finish the three exits at the back of the van:

DSC_0079.JPG


That's it, I guess there are two ways to get 220V:
- change the connections to the terminals of the generator
ou
- graft a transformer

Thank you for your attention !
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by dirk pitt » 09/08/17, 07:29

you have to find the nameplate of the generator and the terminal box on the generator itself. that's what will inform.
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Enpisthemafleur
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by Enpisthemafleur » 09/08/17, 08:45

Thank you, yes an electrician told me about this nameplate but I did not find anything ... Should it be specified that the generator is under the floor of the van and the bad weather is doing their job! Is there not another way to identify the two unused terminals (see photos one and two previously)?
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by dirk pitt » 09/08/17, 10:13

the nameplate is usually a riveted plate that resists time.
if you can not see it, it's hard to give info. it must be visible somewhere.
at the level of your photos, we do not know anything about cabling so it is also impossible to give advice.
At a minimum, it would be necessary to know which thread goes to where. who are the sons who come from the generator itself?
try to draw a piece of diagram following the threads since the generator.
already identify how many sons are coming and where are they going.
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Enpisthemafleur
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by Enpisthemafleur » 10/08/17, 11:36

After further research, I did not find a riveted plate on the generator.

Here is an approximate diagram of the installation.

Dotted, the wires that go inside the generator.
In continuous, the wires that go to the electrical panel and the electronic box.

[Img]
DSC_0086.JPG
[/ Img]

Here is a photo of the card inside the electronic box

[Img]
DSC_0084.JPG
[/ Img]

This map would be connected to the van's calculator, but I am not sure that the beam is very dense, and it is difficult to follow the path of the three small son: brown (x1) and red / green (x2 ).

Here's some more info, I hope it helps ...
Attachments
DSC_0084.JPG
electronic card
DSC_0086.JPG
schedule
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dirk pitt
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by dirk pitt » 10/08/17, 14:26

does it work, this generator?
because what I understand of your indications, it is that the electronic box makes the regulation of speed of the engine of the truck according to the tension coming from the generator.
but I see at least one unsoldered diode and 1 fuse missing on this card it seems to me.
so I have doubts that regulation works. which means that as soon as you plug something, the speed (and therefore the voltage) will fall and if the regulation does not accelerate the truck to compensate, you risk destroying the equipment connected to the generator.
to be sure of the connections of the main and secondary windings it would be necessary to disconnect the 6 wires that enter the generator and to measure to the multimeter the resistances between them (all the combinations)
the only chance to convert it to 220V would be if there is 3 windings in triangle that you can rewrite in star but since you have not find a terminal box other than that, I doubt a little.
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by Remundo » 10/08/17, 15:58

Hello,

intuitively ... I would not go tampering with the generator.

You have the alternative 110V, if you want 220V, puts a transformer voltage booster, factor 2. After you have to see what power, you spoke of 6 kVA, it would 30A, on single phase, it would 6 mm² copper. Otherwise it may heat up.

on the 110V side, it's even worse: 60A, so that's 10 mm² ... : Oops:

@+
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by chatelot16 » 10/08/17, 19:41

you show us a lot of useless things ... only one thing to see: the generator itself and its label

if the label is not visible in the position where it is mounted it must be disassembled

a transformer is a solution in fixed instalation, but the transformer will be almost as heavy as the generator so a sad on a vehicle

if your generator can not do 220v it is better to change generator than to add a transformer
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Re: English Generator 110V 6KVA: Which modification (s) to get 220V?




by izentrop » 11/08/17, 01:32

Hello,
As Remundo says, the wires seem of insufficient section for 6 kVA in 110 V.
The controller should be used to control the DC power supply of the inductor and regulate the motor speed to maintain the frequency of 60 HZ.

I am also perplexed about the color of the wires: The black and red output wires are usually used for direct current and the green / yellow represents the earth?

To check if it is working properly, it is necessary to measure the voltage and frequency across the sockets, which must remain relatively constant according to the load connected to it. What does it give the measurements?

120 / 230 V processors were easy to find in garage sales, but now it's rare.
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