why we use star connection on the primary side of a
transformer?
Answer Posted / santosh
Always HT volts are the out put of a EHV transformer which is Delta-Delta connection.But in general Distribution transformer,We have HT(11kv) primary side and LT(415v) secondary side. So 11kv should be Connected with delta connection and 415v should have star connection.
Mainly LV/2ndary side connected to home appliances,which is running with 1-phase and 1-neutral.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
along with technical test papers
EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.
How do we find the rating of a transformer, if it got burnt badly.
What is the difference between the relay and the circuit breaker?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.
What types of question are done for diploma students in aptitude test
What are the advantages and disadvantages of closed-loop control system?
Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????
how to design the heater in temperature control unit to heat 50KL of water?
what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?
For RCD (Residual current device) Icu is defined. How i can find Ics for them?
What is ST and specify its range of voltage.
Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?
Pl.brief me any electrical major fault you have rectified.