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WHOLE SYSTEME TEST WITH ANOTHER POWER SUPPLY 19.07.2022

tested according to test specification

00004: WHOLE SYSTEME TEST WITH ANOTHER POWER SUPPLY

 

 WHOLE SYSTEME TEST WITH ANOTHER POWER SUPPLY 15.07.2022 

 

Step

Step Description

Expected Result

RESULTS

Precondition

System is off

 

 

THE CHANGING F THE POWER SUPPLY WIT A POWER SUPPLY OF HIGHER VOLTAGE 

Replacing the power supply with the welding machine 

more hydrogene is generated

 positive

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

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

 the systeme is generating hydrogene but not oxygene

Burn the hydrogene

Turn on the transformator

The Hidrogene is burning

 positive

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

 not done yet 

Postcondition

System  off the systeme

 systeme is off

 

 

After replacing the power supply with the welding machine, we were able to generate enough hydrogen to burn it. see the pictures below .

 

 

 

 

Fig 1 : the Hydrogene flame

 

Fig 2: How it looks without falme 

 


But what we noticed is that the current going to the welding machine was only high at the beginning of the start-up (about 13 A at 230 V) and then it kept decreasing until it went down to 1,4 A at 230 V. see the pictures below :

Fig 3 : Just after starting the machine (1A is going to the transformator)

 

 

Fig 4 : After a while . One can see how much the current has decreased.

 

Test analysis :

The welding machine is not good enough since it cannot withstand for long time.

At the highest power of the welding machine, hydrogen was generated and burned, but even then too little. 

 

It can be 2 Reason for the low generated quantity :

1- Either the concentration is yet too low knowing that we rise it .

2- Or the current passing through the cells is too low .

or the two reasons together .

 

what we have to do :

1- Test whether the membranes are ruptured.

2 - Doing a test with the maximum possible concentration  of the KOH. If this is not successful we have to define which power supply should be used instead . This is done by installing measuring instruments to detecct the voltage and the current passing through the cells .