Why transformer neutral earthing? What is advantages?
Answer Posted / balachandra
Neutral grounding and its advantages. ... Neutral grounding provides protection to personal and equipment. It is because during earth fault, the current path is completed through the earthed neutral and the protective devices (e.g. a fuse etc.) operate to isolate the faulty conductor from the rest of the system.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
how to calculate the earth mat design in 132 kv substation yard ????
explain with diagram how to protect transformers and substations from over current with help of CT's?
1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?
how to estimate wiring ins roughing ins. and boxes
How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.
how to identify the cable quality and what is flame proof cable
What is the name of the winding from which the supply is taken for load connections?
STATE WORKING OF VACCUM CIRCUIT BRAKER?
how to operate and maintenance of 1500 kva diesel generator set
What is resistance of 50meters, 16sq.mm, single core copper cable?
What products have you designed which have entered high volume production?
what is the prinsiple of dc motor and construction and working ,application of dc motor.
when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?
What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?