How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.
1301what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?
1402WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.
1599why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.
4 7012Can we parallel two grid with different incoming voltage. Ex.let say one grid is 132kv and another is 220kv.
2 3872Post New Electrical Engineering Questions
what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?
all details of DG UPS HVAC
hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .
What is the formula to find out two phase active & reactive power
how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...
how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
which type of stability limit is higher,steady state or transient? why?
Why syn. Generators are used for the production of electricity?
how braking & making capacity of circuit breaker are calculated?
PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.
What does bode plots shows?
i want to know about torque of slip ring induction motor
What is the need of generator relay panel
How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.