Date: 4/03/2022 10:28:58
From: Arts
ID: 1855706
Subject: The neutral thread

If there is a good place and a a bad place then there should also be a medium place.

Reply Quote
Date: 4/03/2022 10:38:55
From: sibeen
ID: 1855710
Subject: re: The neutral thread

In a balanced three phase system there should be no current detected on the neutral, but as we all know, any distortion on the line currents will result in the triplen harmonics actually adding on the neutral as they are zero sequence harmonics. So in the worst case, even with a balanced system, the current in the neutral can be as high as √3 the line currents. A trap for young players.

Reply Quote
Date: 4/03/2022 11:08:49
From: Cymek
ID: 1855728
Subject: re: The neutral thread

Which neutral zone is your favourite Klingon or Romulan

Reply Quote
Date: 4/03/2022 11:14:47
From: Tau.Neutrino
ID: 1855733
Subject: re: The neutral thread

Cymek said:


Which neutral zone is your favourite Klingon or Romulan

Were there any planets in the neutral zone?, I think it was neutral because it contained 1000 light years of empty space.

Reply Quote
Date: 4/03/2022 11:18:04
From: SCIENCE
ID: 1855736
Subject: re: The neutral thread

Cymek said:


Which neutral zone is your favourite Klingon or Romulan

DMZ

Reply Quote
Date: 4/03/2022 11:23:11
From: Cymek
ID: 1855741
Subject: re: The neutral thread

Tau.Neutrino said:


Cymek said:

Which neutral zone is your favourite Klingon or Romulan

Were there any planets in the neutral zone?, I think it was neutral because it contained 1000 light years of empty space.

I think so it was a buffer zone between the empires and the Federation

Reply Quote
Date: 4/03/2022 11:24:18
From: Arts
ID: 1855743
Subject: re: The neutral thread

I neither endorse nor reject this discussion

Reply Quote
Date: 4/03/2022 11:24:59
From: Tamb
ID: 1855744
Subject: re: The neutral thread

SCIENCE said:


Cymek said:

Which neutral zone is your favourite Klingon or Romulan

DMZ

This one

Reply Quote
Date: 4/03/2022 16:36:07
From: mollwollfumble
ID: 1855992
Subject: re: The neutral thread

sibeen said:


In a balanced three phase system there should be no current detected on the neutral, but as we all know, any distortion on the line currents will result in the triplen harmonics actually adding on the neutral as they are zero sequence harmonics. So in the worst case, even with a balanced system, the current in the neutral can be as high as √3 the line currents. A trap for young players.

OMG.
I hadn’t realised that. That’s serious.

Looking up “triplen harmonics”, https://electrical-engineering-portal.com/what-are-triplen-harmonics

Reply Quote
Date: 4/03/2022 16:49:51
From: sibeen
ID: 1856002
Subject: re: The neutral thread

mollwollfumble said:


sibeen said:

In a balanced three phase system there should be no current detected on the neutral, but as we all know, any distortion on the line currents will result in the triplen harmonics actually adding on the neutral as they are zero sequence harmonics. So in the worst case, even with a balanced system, the current in the neutral can be as high as √3 the line currents. A trap for young players.

OMG.
I hadn’t realised that. That’s serious.

Looking up “triplen harmonics”, https://electrical-engineering-portal.com/what-are-triplen-harmonics

It used to be and neutrals were often oversized to overcome it. Now days, with modern power supplies and stricter standards, everybody can reliably ignore it.

Reply Quote