Perform a Secondary Injection Test
Description
A secondary injection test is used to check long-time, short-time and instantaneous overcurrent protection functions. The secondary injection test is performed by running the automatic trip curve test function of EcoStruxure Power Commission software.
Preparing the Secondary Injection Test
Necessary tools:
-
A PC running EcoStruxure Power Commission software
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A USB-A to USB-C cable (RS PRO, reference: 251-3298)
Performing the Secondary Injection Test
Follow this procedure to run the automatic trip curve test using secondary injection.
|
Step |
Action |
|---|---|
|
1 |
Close the circuit breaker. |
|
2 |
If the circuit breaker is equipped with an MN undervoltage release, either connect it to the power supply with its rated voltage or remove the MN undervoltage release. |
|
3 |
Use a cable to connect a PC running EcoStruxure Power Commission software, to the USB-C port on the front face of the MicroLogic Active control unit. |
|
4 |
On EcoStruxure Power Commission software, select the circuit breaker and connect to it. |
|
5 |
In the Device Check up section, click the Device tab. |
|
6 |
Select the Automatic Trip Test section. |
|
7 |
Select Preconfigured test point. |
|
8 |
Select the overcurrent protection to be tested. |
|
9 |
Click Run Test. |
|
10 |
Check that the circuit breaker trips. |
|
11 |
Check that the blue fault-trip reset button has popped out |
|
12 |
Check that the related trip cause LED is blinking red. |
|
13 |
Check the SDE contacts have switched. |
|
14 |
After the test, reset the circuit breaker. |