why generally transformer are in star to delta

Question Posted / shyam

3 Answers
4436 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

why generally transformer are in star to delta..

Answer / annonymous

Delta is kept to isolate the earth faults on the star side.

Star is required where ever neutral is to be grounded or single phase(1ph + neutral) distribution is required.

Is This Answer Correct ?

3 Yes

0 No

why generally transformer are in star to delta..

Answer / dilli babu.g

in generation and transmission there is no single phase usage....so the transformer primary will be in delta. in distribution side we are using single phase. In single phase there will be a phase and nautral. The neutral is the return path of current.. So the secondary side having star connection.

Is This Answer Correct ?

2 Yes

2 No

why generally transformer are in star to delta..

Answer / wareagle

Most transformers are connected delta star. Even if you
have a star primary it is connected delta at the
transformer.

Is This Answer Correct ?

0 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

0 Answers

explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

0 Answers

what is fuction static switch in ups and tell me use parts name and fucion

3 Answers Dalkia,

The current though a branch in a linear network is 2A when the input voltage is 10 volts. If the voltage is reduced to 1 volt, and the polarity is reversed, what is the current flowing through the branch ?

2 Answers

What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?

5 Answers ABB,

As i want some model question paper in basic computer science and history please send me immediately sir

0 Answers TNPSC Tamil Nadu Public Service Commission,

What is the difference between voltages or potential difference? And what are they?

0 Answers

Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

0 Answers HPCL,

(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)

0 Answers

How to calculate the cable size in sq. mm. when the load is given in KW?

3 Answers

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

0 Answers Adhunik,

Why the cost of CT increases with the decreasing of its CT Ratio (Technical Reason)?

2 Answers Vedanta,

For more Electrical Engineering Interview Questions Click Here