Answer Posted / kumar
because there is no need for extra neutral connection and
the current consumption is less compared to star connection
and also initial current and torque is high.
Is This Answer Correct ? | 0 Yes | 3 No |
Post New Answer View All Answers
how to select correct size of power cable for inverter duty motor
How can we calculate ac current from the given DC current when AC voltage is given?
what does vector group Dyn11 tell us? also tell me how will u differentiate between phase lead and phase lag thru this vector group
if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer
what is the chiller and working principal
For high frequency application we use which transformer?
Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm
How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer
what is x'mer ,isolation x'mer & yltra-isolation x'mer?????
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!
what is the difference between the voltage of 5 volts capacitor and and 5volts battery?
is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details
Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks
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.
Is there any standard guidelines/Criteria to design NGR/NGT.?