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2. Power inverter - Wikipedia

   en.wikipedia.org/wiki/Power_inverter

   Sine wave. A power inverter device that produces a multiple step sinusoidal AC waveform is referred to as a sine wave inverter. To more clearly distinguish the inverters with outputs of much less distortion than the modified sine wave (three-step) inverter designs, the manufacturers often use the phrase pure sine wave inverter.

3. Grid-tie inverter - Wikipedia

   en.wikipedia.org/wiki/Grid-tie_inverter

   Grid-tie inverters are used between local electrical power generators: solar panel, wind turbine, hydro-electric, and the grid. [1] To inject electrical power efficiently and safely into the grid, grid-tie inverters must accurately match the voltage, frequency and phase of the grid sine wave AC waveform.

4. Mathematics of three-phase electric power - Wikipedia

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

   An important property of three-phase power is that the instantaneous power available to a resistive load, = =, is constant at all times.Indeed, let = = To simplify the mathematics, we define a nondimensionalized power for intermediate calculations, =

5. DeWalt - Wikipedia

   en.wikipedia.org/wiki/DeWalt

   DeWalt Ford Fusion in 2008, driven by Matt Kenseth. DeWalt Tools sponsored NASCAR driver Matt Kenseth from 1999 through to the season of 2009. In this time period, Kenseth won 18 races, the 2000 Sprint Cup Rookie of the Year Award, 2003 Winston Cup Series Championship, 2004 NEXTEL Cup All Star Race and the 2009 Daytona 500.

6. 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]

7. Rotary phase converter - Wikipedia

   en.wikipedia.org/wiki/Rotary_phase_converter

   The result is an output to the motor that is closer to an ideal sine wave. In the past, VFDs that have a capacity greater than 3 hp (2.2 kW) were costly, thus making the rotary phase converter (RPC) an attractive alternative. However, modern VFDs have dropped considerably in cost, making them more affordable than comparable RPCs.