Victor Mendez

5 Questions 3 Answers 0 Followers

Questions related from Victor Mendez

Out of all the possible turbo code permutation polynomials that could be used for a given payload length, how were the ones in DVB-RCS2 selected ?

My question is about standard DVB-RCS2 in ETSI EN 301 545-2 V1.3.1 (2020-07) (https://www.etsi.org/deliver/etsi_en/301500_301599/30154502/01.03.01_60/en_30154502v010301p.pdf) I would like to...

04 July 2022 6,008 0 View

How to size the current transformer on the neutral bus bar of a power sources synchronizing switchgear?

I'm studying how to create a switchgear that will allow simultaneous parallel operation of a utility and a generator supplying a common load. Additionally, the generator will be used for...

03 May 2019 1,901 1 View

Individual Three Phase Potential Transformers vs Three Potential Transformers in one case?

If I had to select between Individual Three Phase Potential Transformers vs Three Potential Transformers in one case for a 600V system (which doesn't require many inches of spacing between...

16 April 2019 7,967 4 View

What is the effect of shorting the secondary of a transformer on the primary?

I would like to understand why if the secondary of a transformer is short circuited the primary winding will also reflect the short circuit despite the fact that they are isolated. Would the...

05 April 2019 5,111 3 View

How to have Wye-connected PTs and NGR short circuit detection at my ground fault protection relay?

Detecting if the Neutral Ground Resistor (NGR) is shorted is something that must be checked at the Ground Fault Protecting Relay. The typical way to do this is to inject a DC component and to...

05 April 2019 1,082 3 View