Power factor (pf) is the ratio between real power (P) flowing to the load, and the apparent power (S) in the circuit: pf = P/S. It is a sinusoidal waveform and therefore expressed as a dimensionless ...

American Petroleum Institute's pressure vessel and tank committee recently concluded a 5-year effort to revise Standard 650 that provides design rules for reasonable margins against failure of ...

Accuracy is a critical factor in modern engineering. It can mean the difference between a solid, reliable, high-quality product and one that fails or quickly becomes a liability to its users. But for ...

1. Power-factor triangle relates the real power, the reactive power, and the apparent power. (Courtesy of Vector Group) Let’s start by talking about the concept of power factor (PF). Assuming ...

The American Petroleum Institute (API) Standard 650, Welded Steel Tanks for Oil Storage, provides design rules for petroleum storage tanks. These rules are intended to provide reasonable margins ...