EMC compliance (IEC/EN 61800-3:2004 + A2012)
￭
Definitions
EMC stands for Electromagnetic Compatibility. It is the ability of electrical/electronic
equipment to operate without problems within an electromagnetic environment. Likewise,
the equipment must not disturb or interfere with any other product or system within its locality.
First environment
includes establishments connected to a low-voltage network which supplies
buildings used for domestic purposes.
Second environment
includes establishments connected to a network not supplying domestic
premises.
Drive of category C2
: drive of rated voltage less than 1000 V and intended to be installed
and started up only by a professional when used in the first environment.
Note:
A professional
is a person or organization having necessary skills in installing and/or starting up power
drive systems, including their EMC aspects.
Drive of category C3
: drive of rated voltage less than 1000 V and intended for use in the
second environment and not intended for use in the first environment.
Drive of category C4
: drive of rated voltage equal to or above 1000 V, or rated current equal
to or above 400 A, or intended for use in complex systems in the second environment.
￭
Category C3
The drive complies with the radiated emission limits of C3 category with these provisions:
1.
The supply unit is C3-compliant:
•
Cabinet-installed multidrive: Supply unit is equipped with the filter E210.
•
Multidrive modules: Supply modules have the C3-compliant filtering installed as
standard.
2.
The motor and control cables are selected, and routed according to the electrical planning
guidelines of the drive. The EMC recommendations are obeyed.
3.
The drive is installed according to its installation instructions. The EMC recommendations
are obeyed.
4.
Motor cable length (for any inverter unit) does not exceed 100 meters (328 ft).
Note:
ABB has done the type testing with a 100 meter (328 ft) cabling.
WARNING!
A drive of category C3 is not intended to be used on a low-voltage public network
which supplies domestic premises. Radio frequency interference is expected if
the drive is used on such a network.
￭
Category C4
The drive complies with the C4 category with these provisions:
1.
It is ensured that no excessive emission is propagated to neighboring low-voltage
networks. In some cases, the natural suppression in transformers and cables is sufficient.
If in doubt, the supply transformer with static screening between the primary and
secondary windings can be used.
Standards and markings 43
Summary of Contents for ACS880 Series
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