TVSS Hows it work?

[chris kennedy]

Google gave my this

http://www.currenttechnology.com/

And this

http://www.neccode.com/mojonewsarchive/LSP-HTML/HTML/TVSS-Protection-Questions-and-Answers~20040708.php

And of course a bunch of poeple that want to sell me one.


My questions have to do with this design that has TVSS on the emergency side of the transfer switches. Genny feed comes into a gutter that feeds 2 transfer switches. This is where the TVSS will be installed. No TVSS on normal power side.

1) This is not a SDS. Wouldn't a surge cause potentially dangerous currents on POCO's grounded conductor?

2) Why would a gen-set require a TVSS if it has a voltage regulator.

 

[chris kennedy]

Bump for possible help from the weekenders.

Thanks

 

[Ibarra]

Chris,

You can find tons of information related to this topic on internet and is easy to get confused. This document might be a good start. Let me know inf you need any further info.

http://www.pqint.com/docs/transtector/TransientsDefined.pdf

Ricardo