Interested to Buy Any Domain ? << Click Here >> for more details...
why is only third harmonics is dangerous for electrical
equipments?
- 3 Answers
- 12214 Views
- I also Faced
- E-Mail Answers
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
why we get 2 differnet values for power factor in 2 watt meter method in 3 phase
Tell me all plants load factors i.e which plant operating on which load?
If o/p power is doubled by how much does the sound increase
A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.
i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?
We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......
How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance
Can anybody tell abt concrete encased earthing or grounding?
What is the formula to calculate the rating of a three phase air circuit breaker
What will be the current drawn by HT motor, if low voltage is applied.. any formula to calculate the LT amps of HT motor.?
How many types of electrical earthing are there?
what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????
A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3
how the inner and outer body is separated in aircrafts?
