| Active Power |
|
|
|
|
|
|
|
|
|
|
|
| • | Instantaneous
power to a load is p = v • i |
|||||||||
| • | In an ac circuit |
|||||||||
| – | p may be
positive sometimes and negative |
|||||||||
| other times |
||||||||||
| • | Average value of
the power, P |
|||||||||
| – | Real power |
|||||||||
