AMETEK CTS OCS 500 N6 series
Manual for Operation V 5.24 50 / 80
Ring Wave
The ring wave is a typical oscillatory transient, induced in low-voltage cables due to the switching of electrical
networks and reactive loads, faults and insulation breakdown of power supply circuits or lightning.
The phenomena are simulated by a damped oscillatory transient with defined 0,5 s rise time and 100 kHz
oscillation frequency.
Voltage rise time T1: 0,5 s ± 30 % (open-circuit condition)
Current rise time T1: 0.2 to 1.0 s (short-circuit condition)
Voltage osc. frequency: 100 kHz ±10%
Defined as the reciprocal of the period
between the first and third zero crossings
after the initial peak.
Decaying: 0,4 < Ratio of Pk 2 to Pk 1 < 1,1
0,4 < Ratio of Pk 3 to Pk 2 < 0,8
0,4 < Pk 4 to Pk 3 < 0,8
No requirements for other peaks.
Output impedance 12 and 30 ±20%
(switchable) calculated as open circuit
voltage divided by short circuit current
Waveform of the ring wave
Operation
The menu offers different test routines for Ring Wave testing.
F2 : Standard test routines
F1 Quick Start
Easy and fast online-operation of the equipment.
F2 Standard test routines
The operator can select between various preprogrammed test routines. By pressing the related function key the
test will be started automatically with the specified test parameters.
The operator can select between various preprogrammed test routines which helps to accelerate testing and
which are very helpful especially during design.
F3 User Test Routines
The operator can select between various preprogrammed test routines which helps to accelerate testing and
which are very helpful especially during design.
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