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Electrolyser whole system Test 04.07.2022

00002: WHOLE SYSTEME TEST

Step

Step Description

Expected Result

Result

Precondition

System is off

 

 

open the valves V1 and V1  

open the valves V1 and V1  from the GUI

the valve v1 anv

d v2 are open and enable to let the nitrogene  gas pass

 positive result 

WASH THE SYSTEM WITH NITROGENE

Wash the system with Nitrogenen for few minutes BY TURNING ON THE VALVE on the nitrogene tank

 

 

-one can see that there is nitrogene exit from the gas outlets

 positive

Switch on the system

Turn off the nitrogene

Turn on the systeme from the GUI

 

THE SYSTEM IS GENERATING hydrogene and oxygene

 we turned on the systeme but no hydrogene or oxygene generation

Burn the hydrogene

Turn on the transformator

The Hidrogene is burning

 negative since no hydrogene generated

Switch off the system.

Switch off the system from thGUI

Switch off the transformator

 

The system goes down.

 positive

WASH THE SYSTEM WITH NITROGENE

Wash the system with Nitrogenen for few minutes BY TURNING ON THE VALVE on the nitrogene tank

 

All the hydrogene existing in the pipe systeme exeit

 positive

Postcondition

 systeme is off

 

 

 

 

turning on the systeme through the GUI after nitrogene purging for more than 10 minutes

 

We watched everything through 2 cameras and found that nothing had happened.
This could be seen by the fact that no current was withdrawn from the power supply and that no bubbles formed in the 2 containers.

 

Analysis of the test results :

the reason why no hydrogene was generated is that the KOH concontration was not high enough .

 

the desired concentration is 5 to 7 molar = 280,528 g/L 

 

We had entered far too little KOH, which left the contagtivity of the solution close to zero.

 

what we have to do :

Increase the concetratiom of the KOH .