Emotron VS Series Quick Start Guide
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Main
winding
Secondary
winding
Starting
capacitor
U1
U2
Z1
Z2
M
220VAC
Centrifugal
switch
Fig 7-6 Starting mode: Internal wiring of motor with single capacitor
Internal wiring of single phase motor with double capacitors has been shown below:
Main winding
Secondary
winding
Starting
capacitor
U1
U2
Z1
Z2
M
220VAC
Centrifugal
switch
Running
capacitor
Fig 7-7 Internal wiring of motor with double capacitors
Resistor starting mode single phase motor, and its internal wiring is as shown below:
Main
winding
Secondary
winding
R
U1
U2
Z1
Z2
M
220VAC
Centrifugal
switch
Fig 7-8 Resistor starting mode: Internal wiring of motor
If we remove capacitors from above motors then the Figure7-9 shows main and secondary
winding terminals.