Power Distribution

Measurements on feeders, busbars, transformers and service cables.

The problem

Distribution systems carry high currents and high fault levels. Overloads, unbalance, poor power factor and harmonics cause heating, losses and trips.

Measurement required

Load current on large conductors, AC/DC current, voltage, power, power factor, harmonics and high-voltage insulation of cables.

Instrument type

CAT IV rated clamp meters with large jaws, clamp power meters, and high-voltage insulation testers for cable testing.

Relevant Kyoritsu instruments

Listed because their documented specifications cover this measurement. Check the full specifications for your exact requirement.

AC/DC current to 2000 A on conductors up to 55 mm; CAT IV 600 V.

Kyoritsu describes it as useful for power distribution companies and utilities; CAT IV 600 V.

Power, power factor and harmonics on 1P2W–3P4W systems up to 1000 V / 1000 A.

High-voltage insulation testing up to 5000 V.

How to choose

Check jaw size against your largest conductors or busbars, the CAT IV rating, and whether you need power or harmonic readings.

Safety considerations

Work at the origin of installations is CAT IV. Use appropriately rated instruments, PPE and permits to work.

Other applications

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