BS EN 60060-3:2006 - Page 2

High voltage test techniques. Definitions and requirements for on-site tests | Status: Current

1 Scope This part of IEC 60060 is applicable to the following on-site test voltages and in service stresses, which are in relation to IEC 60060‑1:

• – direct voltage;
• – alternating voltage;
• – lightning impulse voltage of aperiodic or oscillating shape;
• – switching impulse voltage of aperiodic or oscillating shape.

For special tests the following voltages are used:

• – very low frequency voltage;
• – damped alternating voltage.

This standard is applicable to equipment with a highest voltage Um greater than 1 kV. The selection of on-site test voltages, test procedures and test voltage levels for apparatus, equipment or installations is under the responsibility of the relevant technical committee. For special applications, on-site test voltages different from those described in this standard may be specified by the relevant technical committee.

NOTE 1 The different voltage waveforms listed above do not necessarily provide equal stress on the test object.

NOTE 2 The selection of the test voltage levels should take the larger tolerances and measuring uncertainties into account.