why is only third harmonics is dangerous for electrical
equipments?
Answer Posted / xeeshan.raza
Harmonics is the sudden increase in the system voltage it
is caused by addition of unwanted frequencies to the
sinusiodal waveform of ac system . the odd multiple harmonics like 3rd 5th 7th are most dangerous
Is This Answer Correct ? | 4 Yes | 6 No |
Post New Answer View All Answers
Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere
In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?
what is the maintaining Cf in UPS.
What are IR values and what it should be for coil and for insulator
What is signal flow graph?
HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA
i wasted one year for the job after completed my btech what can i say about 1year time in interview
Why 3 phase induction motor getting supply in body if one of it's phase is cut
For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?
oil cooled transformer
How many types of electrical earthing are there?
Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?
IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.
how solar power plant energy meter multiplication factor
What is the formula to calculate a three phase alternator