FUNDAMENTAL RULES FOR PROTECTION AGAINST ELECTRIC SHOCK
38
two periods. Every phase voltage has its own course similar each
Figure 5.3
Course phase voltages three-phase voltage system.
-2
-1,5
-1
-0,5
0
0,5
1
1,5
2
0 40
VL1
VL2 VL3
VL1- VL2
U Uef nom
t [ms]
2 period
1 period
.2
Diagram three-phase source voltage distributed conductors
Figure 5.2.2. Sinusoidal course voltages may derived from the rotating phasors voltages
on the lefthand-side the Figure 5.2.3
