Referring to these diagrams, kindly tell me what these letters are and ......

Referring to these diagrams, kindly tell me what these letters are and what they are representing in these IGBT Bricks ?

Like :

1) AK ..... For "A" it should be Anode & for "K" it should be Cathode .... but what with "AK" if they are written with each other ? (not in this IGBT Bricks but i have seen on some of other model's IGBT Bricks)

2) P1 & P

3) N

4) B

5) Difference between GU & GU (bar) , GV & GV (bar) , GW & GW (bar) ?

IGBT 1 | Flickr - Photo Sharing!

IGBT | Flickr - Photo Sharing!

Also tell me which points are shorted to each other ?

A and K could be current sense resistor
P1 and P ??

G represent Gate
U represent Upper

basically GU & GU(BAR) would be signal to gate and they would be 180 out of phase.

I think you can short A and K
p1 and P

danishdeshmuk said:

Referring to these diagrams, kindly tell me what these letters are and what they are representing in these IGBT Bricks ?

Like :

1) AK ..... For "A" it should be Anode & for "K" it should be Cathode .... but what with "AK" if they are written with each other ? (not in this IGBT Bricks but i have seen on some of other model's IGBT Bricks)

Click to expand...

"AK" or "A/K" is something I've seen on SCR modules before where the package includes one SCR and one diode in series. That node would be where the anode of one connects to the cathode of the other. In an IGBT module I'd suspect it's where the anode of at least one diode connects to the cathode of another.

2) P1 & P

3) N

4) B

Click to expand...

These are all tossups. You could interpret them as being something like neutral or earth or whatever, but those namings probably assume it's being used in some specific application. Overall I wouldn't sweat to much about those names.

5) Difference between GU & GU (bar) , GV & GV (bar) , GW & GW (bar) ?

Click to expand...

In three phase systems, the phases are often referred to as U V and W. So in a sixpack module like yours, which is probably meant for a three phase inverter or rectifier, each half bridge would connect to one phase, and thus they've marked them with phase identifiers. In each half bridge, the IGBTs are driven complementary, so one will have a bar.

Also tell me which points are shorted to each other ?

Click to expand...

The diagram tells you that. Some nodes have two connections to the outside, such as the midpoint of each half bridge. This is so you can connect power in/out to it, but also have a separate connection on the emitter of the upper IGBT for a gate emitter driver.

If you have a device with "A" space..."C", then it could mean AC, K is unique except for degrees K.
Frank