Answer Posted / arvind
all r correct parameters but one is not mentioned as polarity polarity of both d.g should be same or the alternators will burnt out they donot bunt recently as reverse diodes r placed between them they get first burnt if they not then alternator will get burnt
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.
how to identify conection leads of an unknown electric motor
what is Different between Bilinear and Unilenier?
What type of a DC motor would you use for a lift?
what parameters are should nessary for control technic dc drive(in rolling mills)?
Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station
what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor
I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?
before transformer oil dielectric strenght tests are taken the oil should be allowed to settle to remove option 1 air bubbles 2 gasses 3 contamination 4 water
Explain how you intend to work under pressure to meet up with deadline target?
What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer
What is the function of a neutral reactor.
Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.
what happen when increase or decrease size of lamp,light.glass.
which of the following elements is not present in stainless steel