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2. Three-phase electric power - Wikipedia

   en.wikipedia.org/wiki/Three-phase_electric_power

   A three-phase induction motor has a simple design, inherently high starting torque and high efficiency. Such motors are applied in industry for many applications. A three-phase motor is more compact and less costly than a single-phase motor of the same voltage class and rating, and single-phase AC motors above 10 hp (7.5 kW) are uncommon. Three ...

3. Mathematics of three-phase electric power - Wikipedia

   en.wikipedia.org/wiki/Mathematics_of_three-phase...

   In electrical engineering, three-phase electric power systems have at least three conductors carrying alternating voltages that are offset in time by one-third of the period. A three-phase system may be arranged in delta (∆) or star (Y) (also denoted as wye in some areas, as symbolically it is similar to the letter 'Y').

4. Polyphase system - Wikipedia

   en.wikipedia.org/wiki/Polyphase_system

   One voltage cycle of a three-phase system. A polyphase system (the term coined by Silvanus Thompson) is a means of distributing alternating-current (AC) electrical power that utilizes more than one AC phase, which refers to the phase offset value (in degrees) between AC in multiple conducting wires; phases may also refer to the corresponding terminals and conductors, as in color codes.

5. Symmetrical components - Wikipedia

   en.wikipedia.org/wiki/Symmetrical_components

   Symmetrical components are most commonly used for analysis of three-phase electrical power systems. The voltage or current of a three-phase system at some point can be indicated by three phasors, called the three components of the voltage or the current. This article discusses voltage; however, the same considerations also apply to current.

6. High-leg delta - Wikipedia

   en.wikipedia.org/wiki/High-leg_delta

   High-leg delta (also known as wild-leg, stinger leg, bastard leg, high-leg, orange-leg, red-leg, dog-leg delta) is a type of electrical service connection for three-phase electric power installations. It is used when both single and three-phase power is desired to be supplied from a three phase transformer (or transformer bank).

7. No. 3 Iowa State, Colorado clash in Big 12 opener

   www.aol.com/no-3-iowa-state-colorado-164337356.html

   After spending the holidays at home, No. 3 Iowa State is ready to hit the road for its Big 12 Conference opener on Monday night. And Cyclones coach T.J. Otzelberger knows exactly what he wants his ...