T
tonikh
Hello,
I want to calculate the prospective short circuit current at a remote distribution board & this is my dilemma.
I have from the supply a prospective short circuit current of 20 KA and supply voltage of 400/230V.
So if I do the following Zin = 230 /20,000 I get Zin = 0.0115 ohm
Now here is the problem,I want to add the resistive & reactive part of the phase conductor to the impedance that i just got, but Zin is a complex number & i dunno if it is mostly resistive or reactive,but I am pretty sure both are present in it
So to add the impedance of the conductor with Zin,shall I consider Zin mostly reactive and add it with the reactive part of the conductor, or shall i consider it resistive and add it with the resistive part of the conductor, or shall i simply add the two complex impedances.
Thank you,
Really Appreciated
I want to calculate the prospective short circuit current at a remote distribution board & this is my dilemma.
I have from the supply a prospective short circuit current of 20 KA and supply voltage of 400/230V.
So if I do the following Zin = 230 /20,000 I get Zin = 0.0115 ohm
Now here is the problem,I want to add the resistive & reactive part of the phase conductor to the impedance that i just got, but Zin is a complex number & i dunno if it is mostly resistive or reactive,but I am pretty sure both are present in it
So to add the impedance of the conductor with Zin,shall I consider Zin mostly reactive and add it with the reactive part of the conductor, or shall i consider it resistive and add it with the resistive part of the conductor, or shall i simply add the two complex impedances.
Thank you,
Really Appreciated