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Ferranti Effect, where receiving end voltage is relatively larger than sending end, is more probable in transmission lines, when there is sudden drop of load. The sending end voltage is a bit higher than that with load at the receiving end. Will this phenomenon affect the armature of the...
Please help...
Please help me with this given scenario..
1. 14.4kV : 120/240 V transformer is banked Y-Delta.
2. It provides the following secondary voltage to different loads:
a. 230 V 1-phase
b. 230 V 3-phase
The proposed set-up for the system is to convert Y-Delta to Y (grounded) -...
Good am..
we are currently using 14400 : 120/240 transformer with Y-delta bank.. now we are to reconfigure it to Y ground - Y ground bank.. what are the possible ways to provide 240 volt 3-phase power to a load if we are to use same transformer for the said Y g-Y g bank??? thanks..
pls...
wye delta banks
Thank you so much.. I would just like to confirm, therefore, if it is rewired to wye-delta bank, IT WILL HAVE THE SAME PERCENT IMPEDANCE VALUE..
actually, I have solved mathematically and it came out to be the same whether delta-wye or wye-delta banked transformers.. however, i...
delta delta wye delta
Hi, i would like to ask what will happen to the PERCENT IMPEDANCE of a three-phase transformer having original bank of DELTA-WYE if this is REWIRED to WYE-DELTA Bank?
Will it increase, decrease, or the same value as before?
pls help.. Thanks..u
Re: Can anyone help please?
In that case, heat formula Q = mC(dt) is our main equation to be used.
where Q = heat energy, also expressed as Power*time
m = mass
C = specific heat value of the material to be heated
dt = change of temperature
from the standard...
wye delta
Hi, i would like to ask what will happen to the PERCENT IMPEDANCE of a three-phase transformer having original bank of DELTA-WYE if this is REWIRED to WYE-DELTA Bank?
Will it increase, decrease, or the same value as before?
pls help.. Thanks..u
power factor energy saver
Good evening Mr. Kral:
Thank you for the help..
I would just to ask for a follow-up question:
If the load(let's say 69 KW) with increased power factor of 0.95 from an initial power factor of 0.40, is connected to the system combined with other loads...
Can this...
I would just like to ask how the magnitude of current affect the kW-hr meter reading?
Given this scenario, increasing the power factor of a certain load (for example, 40-watt fluorescent lamp with initial power factor of about 0.40 lagging) to 0.90 lagging, how can this increase of power...
how to increase power factor
I would just like to ask how the magnitude of current affect the kW-hr meter reading?
Given this scenario, increasing the power factor of a certain load (for example, 40-watt fluorescent lamp with initial power factor of about 0.40 lagging) to 0.90 lagging, how can...
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