The fundamental is defined as the primary frequency of the system. In other words the fundamental of a 60 hz system is 60 hertz x 1 = 60 hz In discussions involving harmonics is is common to see terms such as the 3rd harmonic. This means that it is a frequency that is 3x the fundamental or 180 hz.
There is no 'total voltage' in a three-phase system. There are three line voltages and three phase voltages.
Rephrase your question so that it makes sense.
Its a servo.
Our local phase rotation is A-B-C. There are many systems that have rotation A-C-B as well. both are correct.
In Canada the phase sequence colours are A = red, B = black and C = blue. As for CCW rotation on a three phase electrical power system I presume that you are talking about motor connections. There are meters that can be connected to the motor not connected to the system. You just spin the rotor in the direction that you want the motor to run when connected and the meter will tell you what the connection will be to the power system to obtain that direction. Be it ABC or CBA.
There is no 'total voltage' in a three-phase system. There are three line voltages and three phase voltages.
A-for star connectionE(line)=1.73E(Phase)I(line)=I(Phase)&B-for delta connectionE(line)=E(Phase)I(line)=1.73I(Phase)
A phase rotation meter. Or a small three phase motor can be wired up and its rotation observed.
Yes.
the three phase dc motor never seen yet motor eaither 3phase m/r or dc motor.
It is very unlikely that you will ever come across an archaic 'two-phase' system, so your question is of academic interest only. A two-phase, three-wire, system is one in which phase voltages are generated 90 electrical degrees apart and whose line voltage is, therefore, 1.414 greater than its phase voltage. So, the answer to your question is no.
Rephrase your question so that it makes sense.
Its a servo.
Our local phase rotation is A-B-C. There are many systems that have rotation A-C-B as well. both are correct.
In Canada the phase sequence colours are A = red, B = black and C = blue. As for CCW rotation on a three phase electrical power system I presume that you are talking about motor connections. There are meters that can be connected to the motor not connected to the system. You just spin the rotor in the direction that you want the motor to run when connected and the meter will tell you what the connection will be to the power system to obtain that direction. Be it ABC or CBA.
Starting capacitors are only required for single-phase induction motors. They are not necessary for three-phase motors.
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