Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / suresh
actually Ct is measuring unit, according our require ment
we can take 2 or 3 core for metering and protection. for HT
lines any fault will came like LG fault we can rectify the
fault by using CT it is a High voltage to mesurement
control volatge will be step down
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
what are problems caused by the pdu in rack server
Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
what is the difference between capacitive and resistive voltage divider?
Whether the vacuum contactor requires Short circuit protection?If No,why?
1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?
what is maxemo work permit procedure
electrical ques
Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?
What is George phenomena to start the synchronus machine?
being an electrical engineer why you wanna come into software i have an very good academics what answer i have to give
Why in ESP Positive earthed
Define gain margin?
