1 - Schneider Electric SNB

Obtaining (EMC) in an installation
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Power supply
Purpose
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To provide high-quality power supply and a degree of availability making it possible
to achieve correct operation of the installation.
The power supply is an interface between various electrical supplies :
- Public (LV) mains and customers,
- (MV) mains and industrial customers,
- Within a single installation, between general circuits and outgoing feeders.
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Public
mains
Power supply
Installation(s)
Machine(s)
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General rule :
• Filter the power supply
A properly adjusted industrial mains filter is suitable.
• Fit limiters, spark gaps on the power source.
Site these components which cause interference during operation away from sensitive equipment.
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