EN 60851-5 Winding Wires, Test Methods, Part 5: Standard Test for Electrical Properties

Material Testing

EN 60851-5 Winding Wires, Test Methods, Part 5: Standard Test for Electrical Properties

EUROLAB laboratory provides testing and compliance services within the scope of EN 60851-5 standard. This part of EN 60851 forms part of a set of standards dealing with insulated wires used for windings in electrical equipment.

EN 60851-5 Winding Wires, Test Methods, Part 5: Standard Test for Electrical Properties

This part of EN 60851 specifies the following tests:

  • Test 5: Electrical resistance;
  • Test 13: Breakdown voltage;
  • Test 14: Continuity of insulation;
  • Test 19: Dielectric dissipation factor;
  • Test 23: Pin hole.

A 30 m ± 1 m sample of wire should be drawn over the high voltage electrode pulley at a speed of (275 ± 25) mm/s or through the graphite brush electrode mounted between the conductor of the wire and grounded guide rollers.

During the enameling process and just before the wire taken to the distribution drum, reel or reel, it is passed over a “V” grooved electrode (pulley) or a graphite brush electrode. A DC test voltage is applied between the electrode and ground (ground). The wire conductor is permanently connected to earth (earth). The cable length and the number of faults in the insulation are recorded by a counting device.

EUROLAB assists manufacturers with EN 60851-5 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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