Interested to Buy Any Domain ? << Click Here >> for more details...
What is harmonics and how the 1st,2nd,3rd etc harmonic
levels
- 2 Answers
- 7871 Views
- I also Faced
- E-Mail Answers
Answer Posted / vinodh.t
when the wave form of ac is pure sinosoidal wave than it
not contain any harmonic..but if wave distorted (not pure
sine wave) than that is if contain multipuls of fundamental
frequency component it is called harmonics ..and it cause
due to non-linear load such as thyrister controlled
rectifier etc
| Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
what are the reasons of CT circuit faulty in busbar protection scheme?
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
explain safety measures in alternator?
What is different between resistance grounding system and resistance earthing system?
Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not
What is pole of the system?
3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........
What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.
can we use NPT glands in LT panel
if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .
What safety precaution are to be taken for avoiding electric hazards ?
How to decide CT & PT ratings for a given transmission line carrying some rated voltage?
What is the power factor of a transformer at no load?
