800a siemens vcb in our company can not be closed electrcally
an mechanicaly cc and oc coils are found ok. why?
Answer Posted / prakash gokhale
Please check for the mechanical assembly of the VCB. Some
times due to some misalighments breaker can not be closed
mechanical or electricaly even if CC & OC are ok.
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?
How can we calculate cable size in Low voltage & high voltage
what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?
What is relation between mu(nought) and epsilon(nought)?
hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly
Starting Time of LT & HT Motor
Why use the vcb at high transmission system ? Why can’t use acb?
please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com
A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
what is cascade speed control device?and how this device control the speed of motors?
is it possible to say motor horsepower number without seeing name plate(when name plate damaged)
plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.
USE OF 8 WAY PAN ASSEMBLY
is ac supply can store
DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT