Understanding three phase.

[Rampage]

I've heard many a time on here that people don't understand three phase enough to work on it.
Im just wondering what exactly people don't understand?

 

[ipf]

Says a lot for having a domestic and commercial electrician grades

That's the problem. Lighting fault in a 2 up 2 down or breakdown of a ten colour printing machine worth £6million.....still the same rate per hour for me. No justice. But I know where the interest lies.

 

[Bobster]

The above is something I've been working on today (simplified) anyone know what it is?

 

[Guest55]

everyone calm down , you've all missed the sunday nite deadline for bad tempered posting :-D
i'll try and wrap this up with something constructive.
Tony and Eng54 have a great deal of knowledge on the actual workings of voltage systems of 400v and beyond so no-ones gonna bluff anyone.
For blue collar sparks like you and me we should strive to understand the basics so as to work safely and become competant in designing our own installations.
The best way of doing this is to get proper teaching and read books , you simply cant learn the fundamentals from doing a couple of years on the tools.

and lets face it , 3 phase theory never makes a good forum topic lol.

 

[topquark]

Sorry but I've had enough. You try and help grow someones understanding by making them think a bit and you get shot down and insulted for trying. I'm done!

 

[Guest123]

The above is something I've been working on today (simplified) anyone know what it is?

Some kind of battery charger???

 

[Silly Sausage]

The above is something I've been working on today (simplified) anyone know what it is?

I'll have a stab at it...is it a 6 phase half wave rectifier cct?

 

[i=p/u]

motor rewinding

 

[Bobster]

Some kind of battery charger???

Not quite. It's an electronic schematic of a six-phase star rectifier circuit. Used in an electro-filter, it charges plates to attract dust from passing air flow.


Edit: Like this:

View attachment 14366

 

[Guest55]

its a dove flying through puffy white clouds

which will be infinately more interesting than the real answer.

 

[Guest123]

Not quite. It's an electronic schematic of a six-phase star rectifier circuit. Used in an electro-filter, it charges plates to attract dust from passing air flow.

Sweet.

Saw the reccies and just went for the obvious.:cheesy:

- - - Updated - - -

its a dove flying through puffy white clouds

which will be infinately more interesting than the real answer.

If you've nothing of use to say.........!!

 

[Guest55]

well i thought my previous post (#63) was of a constructive note.

 

[Knobhead]

Not quite. It's an electronic schematic of a six-phase star rectifier circuit. Used in an electro-filter, it charges plates to attract dust from passing air flow.


Edit: Like this:

View attachment 14366

To give it it’s proper name, an Electro-Static Precipitator.

 

[Bobster]

To give it it’s proper name, an Electro-Static Precipitator.

And you'll know how nice a job going inside to check the condition of the plates are after it's only been turned off a few hours I'm guessing.

 

[Knobhead]

Don't remind me!

Hell on earth.

 

[BroadReach]

I assume that a 6 phase rectifier will give a smoother DC than a conventional 3 phase rectifier without any additional smoothing being required?