Others - Ramping
8 - 27
Testing PickUp/DropOff Value of an Overcurrent
Relay
To determine the pick up and the drop off value of a relay, a series of three
ramps is defined. The first ramp determines the pick up value, the second one
represents a 1s pause time, and the third ramp determines the drop off value.
Figure 19:
Setup for testing the
pick up and drop off
values of an
Overcurrent relay
The
CPC 100
AC OUTPUT
feeds the ramped current signal into a CT, which is
connected to an overcurrent relay. The overcurrent relay’s trip contact is fed into
CPC 100
binary input
BinIn
, and acts there as a trigger signal (as described on
I>
Summary of Contents for CPC 100
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Page 250: ...CPC 100 V1 41 8 32 Figure 24 Settings of Amplifier test card for this example use case...
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Page 282: ...CPC 100 V1 41 12 10 Figure 9 Saving tests with the CPC Editor...
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