GV2AP02 datasheet(29/48 Pages) SCHNEIDER

29 / 48 page

VW3A4422 + ATV320U04N4B

VW3A4424 + ATV320U55N4B

Presentation

Variable speed drives

Altivar Machine ATV320

Additional EMC input filters

Presentation:

page 4

Variable speed drives:

page 12

Combinations:

page 22

Dimensions:

page 44

Presentation

Additional EMC input filters

The additional EMC input filters enable the drives to meet more stringent

requirements; they are designed to reduce conducted emissions on the supply

mains below the limits of standard IEC 61800-3 category C1 or C2 (see below).

Mounting on ATV320ppppB

Depending on the model, additional EMC filters can be mounted beside or

underneath the drive.

They act as a support for the drives and are attached to them via tapped holes.

Mounting the filter on the side of the drive:

1 ATV320pppM2B, ATV320U04N4B…U40N4B drives

2 Additional EMC input filters

Mounting the filter underneath the drive:

3 ATV320U55N4B…U75N4B and ATV320D11N4B…D15N4B drives

4 Additional EMC input filters

Mounting on ATV320ppppC

Additional EMC filters can be mounted beside or underneath the ATV320pppppC

drives, except for the ATV320pppS6C drives.

They act as a support for the drives and are attached to them via tapped holes.

Use according to the type of supply mains

Additional EMC filters can only be used on TN (neutral connection) and TT

(grounded neutral) type systems.

Standard IEC 61800-3, appendix D2.1, states that on IT systems (isolated or

impedance grounded neutral), filters can cause permanent insulation monitors to

operate in a random manner.

The effectiveness of additional filters on this type of system depends on the

type of impedance between neutral and ground, and therefore cannot be

predicted.

If a machine has to be installed on an IT system, one solution is to insert an

isolation transformer and connect the machine locally on a TN or TT system.

The radio interference input filters integrated in Altivar 320 drives can easily be

disconnected by means of a selector switch without removing the drive.

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