Sep 3, 2007 #1 T tinku123 Junior Member level 3 Joined Sep 16, 2006 Messages 30 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,286 Activity points 1,436 hello every one, what is the difference between the Kvar and farads, Rating on Power capacitor is for eg: x kvar, and normal capacitor is eg: x farads. what is the relation between these two? regards tinku123
hello every one, what is the difference between the Kvar and farads, Rating on Power capacitor is for eg: x kvar, and normal capacitor is eg: x farads. what is the relation between these two? regards tinku123
Sep 3, 2007 #2 G Ghitani Junior Member level 3 Joined Jul 3, 2007 Messages 29 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,281 Activity points 1,432 kvar farad KVAR : stands for Kilo Volt Ampere Reactance , used to measure maximum reactive power (imaginary) that can the capacitor stands Farad : unit of measuring the capacitance of the capacitor No relation between them ! For power capcitors the 2 values are high .
kvar farad KVAR : stands for Kilo Volt Ampere Reactance , used to measure maximum reactive power (imaginary) that can the capacitor stands Farad : unit of measuring the capacitance of the capacitor No relation between them ! For power capcitors the 2 values are high .
Sep 3, 2007 #3 T tinku123 Junior Member level 3 Joined Sep 16, 2006 Messages 30 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,286 Activity points 1,436 kvar to farads thanx for replay but i want to find how much capacitor value is required to compensate 1KVAR of Reactive power. regards tinku
kvar to farads thanx for replay but i want to find how much capacitor value is required to compensate 1KVAR of Reactive power. regards tinku
Sep 6, 2007 #4 J jonw0224 Full Member level 4 Joined Nov 22, 2004 Messages 211 Helped 45 Reputation 90 Reaction score 14 Trophy points 1,298 Location USA Activity points 2,528 farad to kvar tinku, Depends on your source voltage and frequency. VAR = reactive power = V*I (for a capacitor) For a capacitor in a steady state AC circuit, V = I/(jwC) = I/(2*pi*f*C) or I = 2*pi*f*C*V Substituting, then VAR = C*(2*pi*f*V^2) kVAR = VAR / 1000 Hope that helps! -jonathan
farad to kvar tinku, Depends on your source voltage and frequency. VAR = reactive power = V*I (for a capacitor) For a capacitor in a steady state AC circuit, V = I/(jwC) = I/(2*pi*f*C) or I = 2*pi*f*C*V Substituting, then VAR = C*(2*pi*f*V^2) kVAR = VAR / 1000 Hope that helps! -jonathan