Conventional AC power is produced by rotating machines (alternators) that produce a smooth alternation, like that of a pendulum. It is described mathematically as a "sine wave". It is the ideal waveform for the transfer of AC power.When converting AC to DC power most DC controllers will convert the AC power to a DC Square wave or DC modified square wave. For the most part a DC Modified square wave will often emulate a True Sine wave reasonably well but the driven pump will often operate with audible levels of noise and a slightly ‘choppy’ operation due to the stepped square waveform compared to a smooth True Sine Wave.Utilising True Sine Wave Technology the new SOW Sine wave pumps result in a quiet and smooth operation that extends the lifespan of the wavemaker.
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