ITech IT-M3900C Series User Manual page 112

E-02 Transient Overvoltage Pulse
Transient overvoltages may occur in the electric system due to the switching off
of loads and due to short accelerator tip-ins. These overvoltages are simulated
by means of this test. This test may be used for the electrical life test. The test
pulse of E-02 Transient overvoltage is shown in the figure below:
Ubmin
Holding
Time
E-08 Slow decrease, quick increase of the sup-
ply voltage test waveform
Ubmax
Ubmin
Ubmin
Holding
Time
E-09 Reset behavior test waveform
Ubmin
E-11 Start pulses
Cold-Start
Warm-Start Warm start
E-12 Voltage curve with intelligent generator
control
U
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Power Supply Function
Voltage holding time at
Ubmin
Start voltage
Holding voltage
Voltage holding time at
Ubmin
Holding voltage
Cold start
Normal Standard experi-
mental pulse
Server Enhanced experi-
mental pulse
Voltage drop between DUT
and battery terminals
101