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2. File:The basic 3-phase configurations (mul).svg - Wikipedia

   en.wikipedia.org/wiki/File:The_basic_3-phase...

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3. Mathematics of three-phase electric power - Wikipedia

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

   The field produced by a single-phase winding can provide energy to a motor already rotating, but without auxiliary mechanisms the motor will not accelerate from a stop. A rotating magnetic field of steady amplitude requires that all three phase currents be equal in magnitude, and accurately displaced one-third of a cycle in phase.

4. Three-phase electric power - Wikipedia

   en.wikipedia.org/wiki/Three-phase_electric_power

   Three-phase transformer with four-wire output for 208Y/120 volt service: one wire for neutral, others for A, B and C phases. Three-phase electric power (abbreviated 3ϕ [1]) is a common type of alternating current (AC) used in electricity generation, transmission, and distribution. [2]

5. File:Three-Phase Voltage Source Inverter Circuit Schematic ...

   en.wikipedia.org/wiki/File:Three-Phase_Voltage...

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6. 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.

7. Power-flow study - Wikipedia

   en.wikipedia.org/wiki/Power-flow_study

   In power engineering, the power-flow study, or load-flow study, is a numerical analysis of the flow of electric power in an interconnected system. A power-flow study usually uses simplified notations such as a one-line diagram and per-unit system, and focuses on various aspects of AC power parameters, such as Voltage, voltage angles, real power and reactive power.

8. File:3 phase rectification 2.svg - Wikipedia

   en.wikipedia.org/wiki/File:3_phase_rectification...

   English: Waveforms for a typical 3-phase half-wave and full-wave rectifiers. The top plot shows the individual three phase signals, the middle plot shows the half-wave rectifier output in solid curve and the bottom plot shows the full-wave rectifier output in solid curve.

9. Neher–McGrath method - Wikipedia

   en.wikipedia.org/wiki/Neher–McGrath_method

   The equation in section 310-15(C) of the National Electrical Code, called the Neher–McGrath equation (NM), may be used to estimate the effective ampacity of a cable: [3] = (+) (+), In the equation, T c {\textstyle T_{c}} is normally the limiting conductor temperature derived from the insulation or tensile strength limitations.