But, that doesnât mean students have to take them all in the same week. Our class structure allows us to provide 5 cycles of classes for every 30-day period. As long as students take the classes in order, (Class 1, Class 2, Class 3, Class 4), they are free to switch between any of the cycles for that 30-day period. The only other requirement is that all 4 classes must be completed within 30 days of the first class.
Re: Advantages of three phase systems over single phase. The big advantage with 3 phase mains is that any electric motor connected to it is more efficient, has smother running and uses less parts so is more reliable. There is also a slight advantage in using 3 phase transformers over single phase ones.
An explanation of the use of a single phase power source to operate one 3 phase motor to produce 3 phase power for another.By using a pilot motor to rotate a 3 phase motor then applying single phase power to the motor, 3 phase power will be produced to operate the 3 phase motor on your equipment.This the simplest and best way to operate 3 phase equipment on single phase.y using a pilot motor to rotate a 3 phase motor then applying single phase power to the motor, 3 phase power will be produced to operate the 3 phase motor on your equipment. This the simplest and best way to operate 3 phase equipment on single phase.