Machines and systems are becoming increasingly networked in the smart factory. As a result, the issue of electromagnetic compatibility (EMC) is becoming increasingly important. Particularly in industrial systems in which frequency converter-controlled motors are used, undesirable currents can undesirable currents can increasingly occur on the equipotential bonding cables or protective earth (PE) cables. A new, innovative cable design from LAPP reliably reduces leakage currents and makes a decisive contribution to improved EMC in machines and systems.
The secret of zeroCM® technology is a special, innovative stranding technique: three phase phase conductors are arranged symmetrically and stranded in an inner layer. In addition, at least one protective conductor is stranded around the three phase conductors in an outer layer with the opposite stranding direction in a specific lay length ratio. The insulation of the conductors is capacity-optimized and consists of polyethylene, polypropylene or a foamed variant.
There is a separating fleece between the inner layer and the outer layer. This
This construction achieves perfect electrical symmetry, which reduces magnetic radiation
and greatly reduces internal coupling. The first prototype cable with the new
cable design is the ÖLFLEX® SERVO FD zeroCM. It is especially suitable for use in conjunction with frequency converters.
