Why do we need testing in the control room?
Test Plans for the Control Panel
Why do we need testing in the control panel?
Panel testing is very important step in electrical projects; if we skip it or do not do it properly then we may face many issues at the time of installation.
Example :
Missing or wrong ferrule
Missing Components labels
Loose Wiring Termination
Wrong Components Selection
Missing Connection
Wrong Terminal Count ETC.
Missing ferrules
Due to these problems the project may not be completed in the target time, this will also affect the quality of the project and result in you not getting the next project from the clients.
Test Plans for the Control Panel
Panel Visual Inspection
Check Panel Enclosure
Electrical Test
Panel Visual Inspection
Print an updated copy of the final electrical drawing and check your drawings against the panel to make sure that everything is built to the specifications on the drawings.
And check that the IP rating of the panel is the same as in the drawing.
Next, all components are checked to ensure that they match the bill of materials
we check that the required component labels and panel name are present, correct, and easily visible.
All wire labels to ensure that they are correct, and are easily visible.
After the component and wire labels are checked, we check all screw connections for tightness.
Then, we pull on each wire to ensure that no connections are loose and that wires have the appropriate amount of slack (loose).
Make sure the panel door has a safety sticker available.
Check Panel Enclosure
Checking enclosure dimensions as per updated control panel diagram.
Check the enclosure material SS or MS as per project requirement, we can find it in the updated panel drawing.
Enclosure door lock properly works.
Make sure the door is not shaking while opening and closing
Electrical Test
Point-To-Point continuity
Mega Ohms Test
Point-To-Point continuity
After that, we use a multimeter to do a point-to-point continuity check on all wiring based on the electrical drawings and we highlight the drawing as each connection is verified.
For continuity test we need to connect one lead to the input wire point and the other lead to the out wire point and then we will hear a beep that means the connection is correct.
Mega Ohms Test
To check the Insulation resistance in different phase.
Phase to Ground Test
between R- Phase & Earth… above 200Mega ohm
Similarly we will do for the Y and B phases.
Between Y- Phase & Earth… above 200Mega ohm
Between B- Phase & Earth… above 200Mega ohm
Second Phase to Phase Test.
Between R- Phase & Y Phase… above 200Mega ohm
Between Y- Phase & B Phase… above 200Mega ohm
Between R- Phase & B Phase… above 200Mega ohm
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