need help,
please can someone tell me how can i calculate the main
breaker and branches breakers to distribution panels (MDB)
depending on the load ampere .. i really need it but can't
find any site >>
Answers were Sorted based on User's Feedback
Answer / nandhu
from the load u just calculate
the load current ,multiply by
1.5 ,diversity factor and find
the next higher value in the
breakers chart and u choose ,its
very simple
nandhu
| Is This Answer Correct ? | 1 Yes | 0 No |
refer to siemens ,Abb, schnieder ACB,MCCB,MCB
MANUFACTURER CATALOGS.
| Is This Answer Correct ? | 0 Yes | 0 No |
Ceiling Fan and Storage type water heater. Discuss
what is power transformer?
7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?
what is pilot wire? what is the use of pilot wires?
what is fault level of power system ?
WHAT IS THE DIFFERENCE BETWEEN RESISANTANCE AND IMPEDANCE IF IMPEDANCE IS MORE THAN RESISTANCE AT SAME VOLTAGE CAN WE HAVE RELATION DERIEVED BETWEEN THEM
how to calculate Amp, 2 different Amp of batteries? Example: No. of Batteries = 2 Battery voltage = 12V 1st Battery rating = 17AH 2nd battery rating = 30AH between parallel connection then output volt 12v Amp?
in case dc we mark as + ve & -ve..but in case a.c. we mark as ph&N...Y LIKE PLZ TELL ME
what is earthing.how we make it,describe briefly.
What mean power grid fail. why power grid fail.
1 Answers Intas, Tech Mahindra,
what is the basic principle of operating of a television camera tube?
HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)