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MD380 User Manual EMC
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7.2.2 Installation Environment
The system manufacturer using the AC drive is responsible for compliance of the system with
the European EMC directive. Based on the application of the system, the integrator must
ensure that the system complies with standard EN 61800-3: 2004 Category C2, C3 or C4.
The system (machinery or appliance) installed with the AC drive must also have the CE
mark. The system integrator is responsible for compliance of the system with the EMC
directive and standard EN 61800-3: 2004 Category C2.
Warning
If applied in the fi rst environment, the AC drive may generate radio interference. B esides the
CE compliance described in this chapter, users must take measures to avoid such interference,
if necessary.
7.3 Selection of Peripheral EMC Devices
7.3.1 Installation of EMC Input F ilter on Power Input Side
An EMC filter installed between the AC drive and the power supply can not only restrict the
interference of electromagnetic noise in the surrounding environment on the AC drive, but
also prevents the interference from the AC drive on the surrounding equipment.
The MD380 series AC drive satisfies the requirements of category C2 only with an EMC
filter installed on the power input side. The installation precautions are as follows:
•
Strictly comply with the ratings when using the EMC filter. The EMC filter is category
I electric apparatus, and therefore, the metal housing ground of the filter should be
in good contact with the metal ground of the installation cabinet on a large area, and
requires good conductive continuity. Otherwise, it will result in electric shock or poor
EMC effect.
• The ground of the EMC filter and the PE conductor of the AC drive must be tied to the
same common ground. Otherwise, the EMC effect will be affected seriously.
• The EMC filter should be installed as closely as possible to the power input side of the
AC drive.
The following table lists the recommended manufacturers and models of EMC filters for the
MD380 series AC drive. Select a proper one based on actual requirements.
Table 7-1 Recommended manufacturers and models of EMC fi lters
AC Drive Model
Power
Capacity
(kVA)
Rated
Input
Current
(A)
AC Input F ilter Model
(Changzhou Jianli)
AC Input F ilter Model
(Schaffner)
Three-phase 380 V, 50/60 Hz
MD380T0.7G B 1.5 3.4 DL-5E B K5 F N 3258-7-44
MD380T1.5G B 3 5 DL-5E B K5 F N 3258-7-44
MD380T2.2G B 4 5.8 DL-10E B K5 F N 3258-7-44
MD380T3.7G B 5.9 10.5 DL-16E B K5 F N 3258-16-33
MD380T5.5G B 8.9 14.6 DL-16E B K5 F N 3258-16-33