what is the meaning of Ring Mean Unit in a substation or
trasformer also tell me its oerpuse?
Answer Posted / hesham
RMU IS used to feed the transformer from two different feeders within ring
1- TRM ( two incomer and one outgoing feeding only one transformer 2+1 )
Or ( 1+2 ) one incomer and two outgoing feeding two S/S.
2- QRM ( 2+2 ) two incomer and two outgoing feeding two transformer
or ( 1+3 ) one incomer and three outgoing feeding three s/s.
| Is This Answer Correct ? | 19 Yes | 5 No |
Post New Answer View All Answers
Can we check ELCB constantly from R1 to R8 phase in 1 no DB?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
Differentiate between induced emf and self inductance?
description with working of all parts of a Diesel generator???????
What is transister define the transister ammiter ,base, colector.
my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking
Difference between a pilot wire and a normal conductor?
Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics
Why ground terminal is used in pot meter 10k ohms
What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr
role of europe union in UK safety legistlation (electrical safety)
what are carbondioxide and dcp used in fire extinguishers
what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end
What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?
Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?