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7 COMMANDS AND TARGETS
be used. If both the PMU under test and the test set use the timing reference, they should be driven from the same IRIG-B
signal: either the same GPS receiver or IRIG-B generator. Otherwise, the setpoints of the test set and the PMU measure-
ments should not be compared as they are referenced to different time scales.
Figure 7–2: USING THE PMU ONE-SHOT FEATURE TO TEST SYNCHROPHASOR MEASUREMENT ACCURACY
COLLECTING SYNCHRONIZED MEASUREMENTS AD HOC:
The one-shot feature can be used for ad hoc collection of synchronized measurements in the network. Two or more PMU
can be pre-scheduled to freeze their measurements at the same time. When frozen the measurements could be collected
using EnerVista UR Setup or a protocol client.
i
PATH: COMMANDS
SECURITY
SECURITY
With the CyberSentry option, this setting is available to enable or disable the following commands:
•
Administrator Logoff: Selecting 'Yes' allows the Supervisor to forcefully logoff an administrator session.
•
Engineer Logoff: Selecting 'Yes' allows the Supervisor to forcefully logoff an engineer session.
•
Operator Logoff: Selecting 'Yes' allows the Supervisor to forcefully logoff an operator session.
•
Clear Security Data: Selecting 'Yes' allows the Supervisor to forcefully clear all the security logs and clears all the
operands associated with the self-tests.
GE Multilin
ADMINISTRATOR
LOGOFF: No
ENGINEER
LOGOFF: No
OPERATOR
LOGOFF: No
CLEAR SECURITY DATA:
L90 Line Current Differential System
7.1 COMMANDS
Range: Yes, No
Default: No
Range: Yes, No
Default: No
Range: Yes, No
Default: No
Range: Yes, No
Default: No
7.1.7 SECURITY
7
7-5
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