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Filter harmonics in AC power line [closed]

I run a Toshiba Digital copier machine in my shop and the machine started showing error codes related to power issues a few days ago. This happens randomly during daytime. There were no problems at ...
1
vote
2answers
73 views

Nonzero current at voltage zero-crossing when consuming reactive power

In a circuit that consumes some reactive power, the current waveform indicates current flow even when the supply voltage is at the zero crossing. This seems paradoxical since there cannot be current ...
2
votes
2answers
829 views

How do capacitors improve power factor without destroying the capacitor?

Can anybody help explain in simple terms how adding capacitors to a 120/240/higher AC power circuit helps improve power factor without blowing up the capacitor? I'm familiar with capacitors in DC ...
2
votes
2answers
1k views

Why power factor correction for Capacitive load is more difficult?

When we want to correction power factor of a motor(inductive load) its simply can done by adding an capacitor in parallel with the motor but its not possible to correction power factor of an ...
-1
votes
4answers
842 views

Using electrolyte capacitor in AC application [duplicate]

I know electrolyte capacitor explode when used in AC current but Can we using two parallel electrolyte capacitors as shown in fig. for AC applications since they have lower size than PPC capacitors (...
4
votes
1answer
516 views

Power factor correction in a simple phasor circuit

I've been having a bit of trouble with a relatively simple power factor correction problem involving a simple circuit in the frequency domain (\$f=50\,\text{Hz},\omega=2\pi f=100\pi\,\text{rad/s}\$). ...