BENSHAW RSi SG Series, Инструкция по эксплуатации

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Chapter 3 - Installation
3-11
If an output filter is used it is recommended that the output filter is wired as follows:
- Wiring distance from drive output to filter input should not exceed 5 meters (16.4 feet).
- Wiring distance from filter to motor should not exceed the distance in the preceding table.
3.2.3 Interference Suppression Measures
Electrical and electronic devices are capable of influencing or disturbing each other through their connection
cables or other intended and unintended metallic connections. Interference suppression measures
(electromagnetic compatibility) consist of two elements: raising interference resistance and suppressing
interference emission.
Correct installation of the drive in conjunction with local interference suppression measures has a crucial
effect on minimizing or suppressing mutual interference.
The following guidelines assume a power source that is not already contaminated by high frequency
interference. Other measures may be necessary to reduce or suppress interference if the power source is
already contaminated. Refer to Appendix C for more information.
- When dealing with RFI (radio frequency interference), the surface area of the conductors is a more critical
consideration than its cross sectional area. Since high frequency interference currents tend to stay towards
the outer surface (skin effect), braided copper tapes of equal cross section should be used.
- A central grounding (or earthing) point should be used for interference suppression. Route the ground
cables radially from this point (star connection). Avoid making any ground loops that may lead to increased
interference. The drive and all components used for interference suppression, particularly the shield of the
motor cable, should be connected over as large a surface area as possible when connecting it to ground.
Remove the paint from contact surfaces if necessary to ensure a good electrical connection.
- Take care not to damage the shield’s cross section and verify the continuity of the shield when splicing
wires. Splices raise the RF resistance of the shield and can cause RF to radiate rather than continue in the
shield. Shields, particularly those on control cables, must not be routed through pin contacts (pluggable
connectors). When shielded cables must pass through a plug connection, use the metallic hand guard of the
plug for the continuation of the shield. It is strongly recommended that the shield be uninterrupted
whenever possible.
U,V,W
Drive
Motor
Within 16.4ft Per Table
Surge
Sup
presso
r filter