Mitsubishi Electric FR-F740 EC Instruction Manual page 88

Electromagnetic compatibility (EMC)
Fig. 3-38: Noise propagation
Fig. 3-39: Noise paths
3 - 50
Inverter
generated noise
Electromagnetic
induction noise
Electrostatic
induction noise
Electrical path
propagated noise
Receiver
Instrument
Motor
Noise directly radiated
Air propagated
from inverter
noise
Noise radiated from
power supply cable
Noise radiated from
motor connection cable
... Path
... Path
Noise propagated
through power supply
cable
Ground wire by
leakage current
Sensor
power
supply
Inverter
M
3~
... Path
... Path
... Path
... Path
... Path
I001048E
Telephone
Sensor
I001049E
Wiring