Haefely PLINE 1610 Voltage / Interruption Tester for IEC 61000-4-11

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Voltage dips and short interruptions are caused by faults in the network or by sudden large load changes. Two or more consecutive dips or interruptions may occur due to changes in the load with time. Voltage variations are caused by continuously varying loads connected to the network.

The Haefely PLINE-1610 Voltage, Interruption and Variation Tester contains all the features expected from a top quality generator. A reliable semiconductor switch is built-in the unit. The semiconductor switch operates to generate programmed Dips and Interrupts with the full 500 A in-rush current capability and provide increased current (in the case of a constant power load) up to 40 A. This totally integrated solution guarantees compliance with standard requirements in particular the interrupt rise and fall time and inrush current.

The Haefely PLINE1610 has two integrated variable transformers (variacs). One transformer is used to adjust the nominal voltage in the range 0 to (Vin+10%) up to maximum 250 V. A second transformer responds to programmed inputs and adjusts the Dip voltage or slow variation voltage. The Haefely MAG 100 for EN/IEC 61000-4-8 generates power frequency magnetic fields up to 100 A/m at 50/60 Hz.