Metro Ramsis modifications

The purpose was to replace and modify the control circuits of public panels (type: 3 out of 7) to convert them from manual to automatic operation without suspending the metro station.
As the shutdown was for only 4 hours daily after midnight with operating alternative panels.
Therefore, the metro and all related equipment were not affected at any moment.
This was a huge achievement and great work, as shown in the following scope and video:

1. Installing Ecofit plug and play solution for existing CB of “DFE LV MDB” 4P for (INC1, INC2, BC) CBs with equivalent Masterpact NW4P, Qty: 3 with new control auxiliary relays & digital meters.
2. Installing Busbar modifications required to convert existing CB of “DFAC LV MDB” 3P for (INC1, INC2, BC) CBs with equivalent Masterpact NW 4P, Qty: 3 with new control auxiliary relays & digital meters.
3. Installing Power contactor LC1F500,4P, QTY: 2 in series with Q02 CB in PE panel & Q06 630A CB in DFE panel) with a new control auxiliary relays to achieve 1 out of 2 operations.
4. Replacing Q02 CB in PE panel & Q06, 630A CB in DFE panel with Qty: 2 new CBs (Fixed, Toggle, 4P, 50kA, Micrologic 2.3 NSX630).
5. Replacing CB “C” model C16 ,160A CB in PE panel with a new CB (Fixed, Toggle, 4P, 50 kA, NSX250A).
6. Replacing KM27.5 and KM27.6 in DFE panel with Qty: 2 new contactors LC1F265, 4P.
7. Replacing CB “A&B” model C401, 400A CB in PE panel with Qty: 2 new Fixed, Toggle, 3P, 50kA, CB NSX400A.
8. Replacing KM28.3, KM28.4, KM28.5 & KM28.6 in DFAC panel with Qty: 4 new contactors LC1F330, 4P.
9. Installing new CB, 4P, fixed ,toggle ,50 KA, CB NSX250A, to be in series with KM27.5 in DFE panel.
10. Installing new Fixed, Toggle,4P,50KA, CB NSX400A, QTY: 2 to be in series with KM28.5 & KM28.3 in DFAC panel.
11. Assembly & installing 2 Control pallets (2×1)m at site for 2 ATS (4 out of 7) panel with necessary loose material.

You can watch the following video for further details ⇊