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Close (C)
2-14 72A-1898 Rev. A 11/01
Monday
, November 26, 2001 1:09 pm
Close (C)
Figure 2.9 shows a simplified version of the test waveform generated for
the Close test.
Figure 2.9 Close Command Pulse
Command
Parameter
Close Pulse This time setting determines the duration of the
Close Pulse sent to operate the close circuit of the
circuit breaker.
Recording Length This setting determines the recording length and
implicitly sets the sampling rate at which the
recording is performed.
In addition to Close Pulse , Timing Event and Timing Trigger command
parameters exist. They are accessed via the Test Plan tab and the test
parameters button, and are used to determine if a test result tabulation is
based on a Timing Event other than Test Initiation.
Timing Event and Timing Trigger
The following parameters determine when Close
test timing calculations start:
Test Initiation
Immediately upon the start of the test (default)
Close Current
When a percentage, in ten percent increments, of
the full scale Close current is reached (requires
T/C Current option)
Contact/Current/Voltage
When a percentage, in ten percent increments, of
the full scale current or voltage is reached on a
particular channel or when a change of state is
detected for a contact on an auxiliary channel
(requires an Event module)
133.3 msec
On
Off