in 33kv/11kv stepdown t/f why should we use Star point
Answer Posted / prajesh gajjar
whenever distribution line is concerned, we have to used delta/star transformer to fullfill the requirement of customer .
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
what is High resistance grounding and whatis the criteria for the selection of High resistance grounding
We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?
Explain difference between stand by earth fault and residual earth fault protection?
Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.
can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?
HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel
What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?
How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.
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?
what is the relative size of single and three phase?
Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?
How can calculate the rating of a alternator for a given specific load with formula
what is Anti-pumping?
Dyn1 transformer vector group testing how to do
WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?