in most industies hormonics present up to some level. what
is limit ? and there effect?
Answers were Sorted based on User's Feedback
Answer / ashim kumar das
In an industry harmonics are measured as TOTAL HARMONIC
DISTORITION (THD), which permissible limit in most of the
industries is 3%.
No doubt harmonic create losses, moreover puncture of
Capacitor banks,unwanted heating of motor are also the main
disadvantages of harmonics.
| Is This Answer Correct ? | 10 Yes | 0 No |
Answer / sachin_pawaskar2001
The permissible harmonic distortion For Volage harmonics it
is 5% & for current harmonics 10%.
Harmonics cause voltage distortion & losses in system.
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / manoj sharma
My dear friends sachine and ashwin please tell me...how
harmonics content is measured...what are the formulas and
procedures to do that...How we can eliminate the
harmonics..how these device works....please clarify...
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / antarjyami behera
Harmonic frequency is a disturbance of the signal
| Is This Answer Correct ? | 0 Yes | 0 No |
Why use only DC supply to charge batteries why not AC Supply??
why corona loss is less with negative polarity?
Classify drilling machines.
What is kvar?
what is meant by oil filled power & distrubution transformer ? if anybody know the link of detail about above transformers means plz send it i have interview on this week ? plz help me
why we are using DC supply for all protection relays, why cant we use AC supply..???
What is a fuse? How does it work? What are materials used?
Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box
WHAT ARE THE FACTORS REQUIRED FOR SELECTION OF TRANSFORMER RATING?
13 Answers Tech Mahindra, Technip,
how much cable size required for 70 kilowatt load.
Why LT cables are not sized based on short circuit capacity.
If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)