Answer Posted / blake_australia
The star point on the secondary site of the transformer
provides an earth return point for earth faults. The
previous answer is also correct.
Also 3rd Harmonics are circulated within the primary delta
winding which prevents the LV harmonic distortions from
entering the Primary side of the distribution network.
| Is This Answer Correct ? | 23 Yes | 4 No |
Post New Answer View All Answers
any application of back emf
What is the ratio of Booster transformer?
Benifits of 3ph 4 wire metering over 3ph 3 wire
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????
In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?
Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803
In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero
typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?
role of europe union in UK safety legistlation (electrical safety)
why core is useful for a transformer ?and also in its operation ?
1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??
What happens if we give the supply to the rotor of induction motor and make its terminal shorted?
As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?
How to calculate the sag of OPGW during stringing???