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...2 ) xl = 300 ohms L = 300 / 2 pi 800 L = 0.0596 H for

**pf**= 1 ----> xc = xl f = 1 / 2 pi sqrt (LC) 1000 = 1 / 2 pi sqrt(0.0596C...2 Answers · Science & Mathematics · 29/12/2014

...pi = 6.12 x 10^-6 F or 6.12 uF p = xi^2 = 250 x 1.2^2 = 360 w

**pf**= p / v i = 360 / 600 x 1.2 = 0.51 Answers · Science & Mathematics · 27/12/2014

**pf**= cos φ = 0.3 sin φ = √1-0.3^2 = 0.954 = X/Z Z = X/sin φ = 40/0.954 = 41.93 ohm 0.3 = R/Z R = Z*0.3 = 41.93*0.3 = 12.58 ohm....10 ohm is wrong !!!2 Answers · Science & Mathematics · 26/12/2014

...the transformer primary side. http://www.zen22142.zen.co.uk/Circuits/Alarm/

**pf**_alm.htm If you want to detect a brown out condition (low volts like ...2 Answers · Science & Mathematics · 03/12/2014

You can determine the

**PF**because you know the load impedance and angle. Each phase consumes the same power and the total power is the sum of them.2 Answers · Science & Mathematics · 24/10/2014

amount of capacity increases on LC ( series ) ....Z = sq [ R^2 + ( 2 pi f L - 1 / 2

**pf**f C )^2 ].......Z decreases....so voltage across R increases .3 Answers · Science & Mathematics · 20/10/2014

The magnetising component is 0.5 x 0.954 = 0.477 amps {note that : 0.954 = sin[arc-cos(0.3)]} The working component is 0.5 x 0.3 = 0.15 amps You don't seem very good at awarding Best Answer. I like to see some...

2 Answers · Science & Mathematics · 07/10/2014

...read in the same way as that for resistors except the base unit is

**pF**(picoFarad, 1**pF**= 10-12 F = 10-6 μF). So a...7 Answers · Science & Mathematics · 16/09/2014

Some formulae on the site below, but is for single phase transformer. 3 Phase kVA = SqRt3 x VL x IL, and Power, Watts = kVA x power factor, where:- VL = Line volts, (Phase to...

1 Answers · Science & Mathematics · 01/09/2014