Hopefully someone with PFC knowledge can help me out here. A formula of mine is not coinciding with A sizing Capacitor chart from a local distributer. And I am curious why? This Formula: C = KVAR / (2 * pie * F * V^2) Translation: 2 times 3.14 times frequency times voltage squared. Assume KVAR= 10.188, F= 60, and V= 480. This formula should come out with an answer in Micro Farads. The data sheet from a local distributor is saying a 10KVAR cap rating shoulds read/measure Min: 57uF--MAX: 66uF. Can anyone clear this up for me?