why is only third harmonics is dangerous for electrical
equipments?
Answers were Sorted based on User's Feedback
Answer / donaal saka
on doing harmonic analysis of any system ,we usually come across with odd harmonics due to unique symmetry of waveforms. The Amplitude of each harmonic component goes on decreasing as harmonic order increases .Since after fundamental we have third harmonic which will have appreciable amplitude and hence can affect system performance
Is This Answer Correct ? | 0 Yes | 1 No |
Answer / 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 |
Answer / xeeshan raza
DISTURBANCE CAUSED IN THE SINUSOIDAL WAVE
FORM OF ALTERNATING CURRENT IS HARMONICS.
Is This Answer Correct ? | 3 Yes | 6 No |
how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?
What is depreciation factor?
Can anybody suggest me about what are all the TECHNICAL CERTIFICATIONS avilable for Electrical Engineers for working people with clear details??
difference between the earth mat and earth grid?
why the voltage is in digit of 11/33/132/220/440 please send me on shukrerabbi_abkhalil@rediffmail.com with thanks
What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?
what are the standard values for resistances(Megger testing) between L&N, L&E and N&E (L=Live,N=Neutral, E=Earth)?
we use Dyn11 trafo for distribution purpose, if it`s possible for replacing Dyn1. if it`s change means what will happen?
How to Calculate Contracted Maximum demand using motor Hp or Current
What is meant by Active and reactive power?
8 Answers Micron Electricals, SVIT,
how to calculate overall efficiency of diesel generator set? give us a formula with an example.
How to size the Neutral grounding resistor?