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GE D30 User Manual

GE D30
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7-8 D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
TARGETS MENU CHAPTER 7: COMMANDS AND TARGETS
7
How often the test is performed: Every second.
What to do: Check direct input and output configuration and wiring.
Latched target message: No.
Description of problem: A bad IRIG-B input signal has been detected.
How often the test is performed: Monitored whenever an IRIG-B signal is received.
What to do: Ensure the following:
The IRIG-B cable is properly connected.
Proper cable functionality (that is, check for physical damage or perform a continuity test).
The IRIG-B receiver is functioning.
Check the input signal level (it can be less than specification).
If none of these apply, then contact the factory.
Latched target message: No.
Description of problem: No PTP enabled port has good PTP signal input.
How often the test is performed: Activated when no acceptable signal is being received.
What to do: Ensure the following:
The Ethernet cable(s) are properly connected.
At least one PTP grandmaster-capable clock is functioning.
If strict PP is enabled, that entire network is PP compliant.
The network is delivering PTP messages to the relay.
Latched target message: No.
Description of problem: The SNTP server is not responding.
How often the test is performed: Every 10 to 60 seconds.
What to do: Check that Ethernet cable(s) are properly connected. Check that configuration for the SNTP server
corresponds to the actual server settings. Check connectivity to the server (ping the server IP address.
Latched target message: No.
Description of problem: A discrepancy has been detected between the actual and desired state of a latching contact
output of an installed type “4L” module.
How often the test is performed: Upon initiation of a contact output state change.
What to do: Verify the state of the output contact and contact the factory if the problem persists.
Latched target message: No.
Description of problem: A data item in a configurable GOOSE data set is oscillating.
How often the test is performed: Upon scanning of each configurable GOOSE data set.
MAINTENANCE ALERT:
Bad IRIG-B Signal
MAINTENANCE ALERT:
**Bad PTP Signal**
MAINTENANCE ALERT:
SNTP Failure
MAINTENANCE ALERT:
4L Discrepancy
MAINTENANCE ALERT:
GGIO Ind xxx oscill

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GE D30 Specifications

General IconGeneral
BrandGE
ModelD30
CategoryRelays
LanguageEnglish

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