I explain the efficiency factor η in detail and compare it with the active power factor cos φ. The significance of power loss is differentiated from reactive power.
00:00 Introduction
00:17 Efficiency η
02:07 Example incandescent lamp η
03:39 Power supplied
04:06 Efficiency η at the motor
04:49 Example calculation η motor 30kW
06:54 Active power factor cos φ
08:23 Comparison of η and cos φ
08:57 Inductive reactive power
10:47 Apparent, reactive and active power
12:05 Pythagorean theorem
12:54 Phase shift angle φ
13:39 Areas of application
#Reactive power
#Active factor
#efficiency