How much current can 11KV line carry? What are the
formulae used to calculate current across both side of
transformer? Moreover I need to know can I connect 33KV
line with transformer of 1600KVA? Details are: V=415,
Pf= .9

Answer Posted / manimaranmuthu.m

11KV PRIMARY CURRENT[HT]:


KW = KVA*PF


POWER [KW]= 1600*0.9

POWER = 1440 KW

POWER [KW]=√3*KV*I*PF
root(3) = 1.732

1440 = 1.732*11*I*0.9

1440/1.732*11*0.9 = I

I = 83.98 AMPERE

415V SECONDRY CURRENT[LT]:

WATTS = 1.732*V*I*PF

1440*1000 = 1.732*415*I*0.9

I = 2226 AMPERE

Is This Answer Correct ?    29 Yes 13 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

1176


What is a differential amplifier?

645


Why does amplifier gain reduce?

636


why lightning arrestor are made in two stack of insulator but why not cvt

1496


what types of cable used in underground coal mining?

1054






Draw the equivalent circuit of crystal oscillator?

758


How i can decide that HVDC line is best for transmission.

1438


I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

3514


how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

2383


What is “pu” in electrical engineering?

675


What is The Resistance Formula

776


11000volt DG set carnt kaise banvay

1228


What is the purpose of stablization resistor in high impedance bus bar protection

1529


from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

1533


hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1488