AMETEK MX CTSH - Manual (Page 110)

User Manual MX Series CTSH Compliance Test System
California Instruments Revision G 107
11. EN 61000-4-27p Voltage Unbalance
11.1 About This Chapter
This chapters covers testing a device for compliance with the EN 61000-4-27 Voltage Unbalance in three
phase AC power systems. test standard. This test is supported through the MXGUI AC source control
program.
This test only applies to three-phase EUT's as it involves voltage and phase unbalance between three
phases of a three phase supply network. The EN 61000-4-27 implementation in the MXGUI is based on the
EN 61000-4-27 standard dated 2000-08. Test levels and durations can be changed if needed through use
of one or more filename.427 files in the IEC_Test directory.
Figure 11-1: EN 61000-4-27 Test Window