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How do you tell the difference between AC and DC 3 phase generators and alternators?
Wiki User
∙ 11y ago
The very first thing to do is look at the nameplate. There it will tell you what the voltage is. On a three phase generator there is usually no places to plug any equipment into. Three phase generators usually have the coil ends brought to terminal points in the generators junction box. From a second set of terminals the feeder wires go to the top end of the generators main disconnect breaker. Different voltages can be obtained by positioning jumpers between different terminals within the junction box.
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoYou look at the generating device's nameplate. There is will tell you whether it is an AC or DC machine.
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When connecting two alternators in parallel do the two voltages have to be in phase or directly out of phase?
They must be precisely in phase. If connected out of phase current would flow uncontrollably between the two alternators as a short circuit.
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Zero.
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The difference between a single and a three phase online UPS is a 3 phase can supply a 100% unbalanced load on its output without affecting its performance. A single phase cannot supply a 100% unbalanced load on the output without affecting its performance.
When connecting two alternators in parallel do the two voltages have to be in phase or directly out of phase?
They must be precisely in phase. If connected out of phase current would flow uncontrollably between the two alternators as a short circuit.
What is the relation between the path difference and phase difference?
Relation between phase difference and path difference is path difference/wavelength=phase difference/2*pi
Is there a difference between three phase and single phase electrical supplies?
Yes, there a difference between three phase and single phase electrical supply services.
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a phase is a region with homogeneous (uniform) properties and a conversion between states is called a "phase transition"
How is a single phase voltage generated?
The process of asingle-phase ac voltage generated from hydro-powerAnswerPower station alternators generate three-phase electricity as, for any given load, it is more economical in terms of the total volume of copper required by transmission lines, transformers, etc. Single-phase supplies are normally produced by small, portable, alternators. The difference between the two is the way in which the machines' armatures are wound. For a three-phase machine, there are three separate windings, physically displaced from each other by 120 degrees, so three phase voltages are produced which are 120 electrical degrees apart. Single-phase machines, on the other hand, have just one armature winding, and produce just one voltage.
Single phase and three phase circuit?
Yes, there is a difference between single phase and three phase circuits.
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