Panel Design Doubts

Hi All,

I have some doubt with my design, so I need to clarify with you.

How to select OLR, MCCB, MCB & cable for motors.....

If DOL, Star Delta & VFD types.......

I am always choose MCB & MCCB = FLC*1.75 times

OLR = FLC *1.25 times.

If I am wrong pls highlight my mistakes... and also pls teach your experience for me......

And I am searching "Electical design" book. if any one know about this pls tell me...

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Thanks

Dasan