42
EMC and leakage currents
3.1.2 EMC measures
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Noise propagated through
power supply cable
Path 3)
Path 2)
Path 1)
Noise directly
radiated from inverter
Path 4), 5)
Air propagated
noise
Path 6)
Electrical path
propagated noise
Path 8)
Path 7)
Inverter generated
electromagnetic
noise
Electromagnetic
induction noise
Electrostatic
induction noise
Noise radiated from
power supply cable
Noise radiated from
motor connection cable
Noise from earth
cable due to leakage
current
Instrument Receiver
IM
Motor
Telephone
Sensor
1)
2)
3)
3)
8)
7)
5)
7)
4)
6)
Inverter
1)
Sensor
power supply