in most industies hormonics present up to some level. what
is limit ? and there effect?
Answer Posted / 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 |
Post New Answer View All Answers
what is the use of Auto re-closer?
When can we take Neutral as common neutral link?
if sf6 gas low in gis what will happen
for a 400kv t/m line with 10 ampere current will corona occur?
What are the two types of compensation?
what is W.T?specify the acceptable range?
What is industrial plc
how to calculate the distance relay faulty zone?pls explain?
In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.
what is earthing transformer? draw the winding dia.of earthing transformer.
what is difference between elr and R eartl realy.
mccb service sittings be done?
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
difference between power surge and switching transient
1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)