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Voltage dips/sags, short interruptions are caused by failures of the power grid and power facilities or sudden large changes in loads. In some cases, there will ✱be two or more consecutive dips or interruptions. Voltage changes are caused by continuous changes in the loads connected to the grid. If the EUT cannot respond in time to changes in the power supply voltage, it may cause malfunctions. Voltage dips generators are used to evaluate the performance of electrical and electronic equipment when subjected to voltage dips/sags, short interruptions, and voltage changes. Products fully meet the requirements of standards IEC/EN 61000-4-11 and GB/T17626.11.
Model
Voltage variation range
Voltage change duration
Switching phase
Built-in standard test level
Fall/rise time
Voltage changes in the number of repeats
Interval cycle of voltage variation
Voltage dips mode
EUT capacity
Power supply
Ambient temperature
VDT S20
0~120%
1~9999 half cycle (HC)
0~359°synchronous, asynchronous, or automatic
0%, 40%, 70%, 80%, 120%
1μs~5μs for abrupt changes
1~9999*9999
1~9999 half cycle (HC)
Freely set
1 phase, 20A
AC220V 50/60Hz
15℃~35℃