Test Procedure

Perform the following steps for the automatic trip curve test:

Click Automatic Trip Curve Test in the Device view page.
The Automatic trip curve test screen is displayed.

Select Preconfigured test point or Custom test point and click RUN TEST.

The Protection Settings dialog box is displayed.

Enter the protection settings details and click SAVE.

The NOTICE message is displayed.

NOTICE
HAZARD OF LOSS OF POWER During these tests, the circuit breaker will trip, resulting in loss of power to downstream devices. It is recommended to perform these tests in conjunction with proper planning, precautions, and per the test schedules. Failure to follow these instructions can result in disruption due to loss of power.

Read the NOTICE message, and if understood, click I UNDERSTAND.
The Password Required dialog box is displayed.
Enter the MicroLogic Administrator password in the dialog box and click CONTINUE.
Reset and close the circuit breaker.
Click OK.
The protection test starts.
NOTE: During the long-time protection test:
- Injection Time and Remaining Time before trip (in seconds) are displayed.
- You can click ABORT to stop the running test. This cancels all the subsequent tests.
NOTE: The short-time protection cannot be tested if Ir x Isd > Ii.

Repeat step 6 and 7 for the next test.

The test result is displayed at the end of the test. After completing all the tests, the Test Results screen is displayed with:

The list of protection functions tested.
The injection current.
The protection settings.
The expected trip time and the real trip time.
The test result.

NOTE: For non-communicating trip units, the Service Interface cannot reset thermal memory. Therefore, 15 minutes time period must be observed between long time tests.