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Braking Time Neutral Distributed vs Neutral Not Distributed

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Can anyone tell me what this pertains to?

[ElectriciansForums.net] Braking Time Neutral Distributed vs Neutral Not Distributed


Comparison the Performances of Three Earthing Systems for Micro-Grid Protection during the Grid Connected Mode

file.scirp.org file.scirp.org

And why does it reference table 41.1?
 
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A quick look at the paper mentions these two cases under IT systems:

When the neutral is not distributed (three-phase three-wire distribution), the following condition must be satisfied

When the neutral is distributed (three-phase four-wire distribution and single phase distribution), the following condition must be satisfied
 
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pc1966 said:
A quick look at the paper mentions these two cases under IT systems:

When the neutral is not distributed (three-phase three-wire distribution), the following condition must be satisfied

When the neutral is distributed (three-phase four-wire distribution and single phase distribution), the following condition must be satisfied
Click to expand...

Alright. So why would the neutral make a difference on disconnection times?
 
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davesparks said:
I suspect that should be breaking time, not braking time.
I can't see how having a neutral or not would affect the required braking time.
Click to expand...

I noticed that as well. Perhaps a translation fail. 127/220Y is used in South America.

Anyone have the latest copy of IEC60364 who can confirm whether or not such a table exists in the IEC? Author talks of table 41.1 and table 48.
 
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