Interested to Buy Any Domain ? << Click Here >> for more details...
what is GRR(Grid Rotot resistance)?Why it is used beside of
LRS?
- 9 Answers
- 62863 Views
- ACC, L&T, Sri Biotech, I also Faced
- E-Mail Answers
Answer Posted / arun kumar.k
GRR it is may be resistance box it is the speed controlable
device and power saving device it is slip ring induction
motor Or rotor resistance motor
When Resistance Decereases speed increases
when resistance increases speed Decereases
| Is This Answer Correct ? | 7 Yes | 5 No |
Post New Answer View All Answers
In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.
how to calculate mf when meter and cTPT detail are given
State thevenintheorem?
WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI
In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because
Generator,motor and alternator Working principal Please explain easily
how to select the isolation tranformer for siemens 802dsl cnotroller
how to calculate short circuit current for the busbar
from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
why do we not use equivalent voltage source in negative sequence equivalent ckt.
This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.
If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.
What is a slack bus?
If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines
power transmission pole used one support , that only for support or earthing
