Electrical power is the lifeblood of the data center. A stable source of clean power must be present for any data center. But the very equipment that runs in the data center is often the cause of power quality problems experienced throughout that data center. Fans, power supplies, rectifiers, transformers, pumps, and lighting ballasts can distort the available power waveform. The resulting sags, transients, and harmonics may make the infrastructure unreliable and inefficient. This paper explains why measuring total harmonic distortion is essential to modern data centers and how having circuit breaker trip forensics available at the rack PDU makes sense to address several power pain points and explores:
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