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Run: Inverter-Based Resource Ride-Through Commissioning Record

Use this commissioning record to verify inverter ride-through settings, disturbance monitoring, and test results before the resource is placed in service. It...

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Inspection Details

Record the plant, inverter, feeder, or unit name; equipment ID; location; and commissioning scope.
Document when the commissioning inspection was performed.
Enter the inspector name, title, and the responsible commissioning engineer or authorized representative.
List the governing interconnection agreement, utility standard, OEM procedure, or project specification used for this commissioning record.
Select the current commissioning state of the inverter-based resource.

Safety and Test Preconditions

Verify lockout-tagout boundaries, energized work permits if applicable, and safe work boundaries are in place per OSHA 1910.147 and site procedure.
Confirm PPE selection is consistent with the task and equipment condition, including arc-rated clothing, gloves, face protection, and other required PPE per site electrical safety program and NFPA 70E practices.
Verify relay test sets, power quality meters, oscillography tools, and any reference instruments are calibrated and traceable.
Confirm access paths are clear, no active hazards are present, and the work area is suitable for testing and observation.
Verify the emergency stop, shutdown sequence, and communications path with the control room or operator are understood before testing.

Ride-Through Performance Settings Verification

Verify undervoltage and overvoltage ride-through thresholds, time delays, and trip curves match the approved commissioning package or OEM-approved settings.
Verify underfrequency and overfrequency ride-through thresholds, time delays, and trip curves match the approved commissioning package or OEM-approved settings.
Confirm ride-through functions are enabled and not bypassed, blocked, or left in a temporary test state on any in-service unit.
Verify protective relay settings, inverter controls, and breaker logic are coordinated so that expected ride-through behavior is not defeated by nuisance trips.
Confirm the final parameter set, relay file, or controller export is saved in the project record and traceable to the tested configuration.

Disturbance Monitoring and Event Recording Setup

Verify oscillography, event recording, or disturbance capture is enabled on the inverter controller, relay, or plant controller as applicable.
Confirm the device time source is configured and synchronized so event records can be correlated across equipment.
Verify trigger thresholds for voltage, frequency, current, or status changes are set to capture relevant disturbances without excessive false triggers.
Confirm the monitored channels include the signals needed to evaluate voltage, frequency, inverter output, breaker status, and control actions.
Verify event files can be retrieved, retained, and exported in a usable format for compliance review or disturbance analysis.

Functional Ride-Through Test Results

Document whether the resource remained connected and performed as expected during the applied voltage disturbance test.
Document whether the resource remained connected and performed as expected during the applied frequency disturbance test.
Rate how closely the observed response matched the approved ride-through criteria and commissioning expectations.

Deficiencies, Corrective Actions, and Sign-Off

Record any deficiency, non-conformance, or deviation from the approved ride-through commissioning criteria.
Document the corrective action, responsible party, and target completion date for each open item.
Inspector attests that the record is complete and accurate.
Authorized reviewer acknowledges the commissioning results and any open items.

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