Flender/Flender Gear Units/Helical speed reduction gearbox H4
finalized finalized during detailed en gineering stage. 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR

STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT ______________________________________________________________________________________________ TS NO.: MEC//2UU/0/2/0 Electrical system Chapter-0.0 2, MECON Limited, All Right

Reserved Pag 2 of 2 Bidder shall include complete wiring from breaker contacts, con tacts of aux. relays, and contacts

of trip relays for all the HT/LT motor fee ders to provide control & annunciation in DDCMIS as well as

to control panels or Compressors It shall be possible to know tripping of all the 6.6 kV feeders and status of voltage, frequency, current, etc. prior and just after the tripping. Scanning time shall be selected between 0 and 3 seconds. It shall also be possible to take print out of above parameters and recording of disturbances. It shall be pos sible to generate report for weekly, monthly and early generation and shift-wise alarm/trip events with date and time display. Required transducers and wirings to hook up all above analog an digital inputs and outputs shall be included the scope of the Bidder. Actual number of inputs/outputs to/from DDCMIS shall be finalis ed during detailed engineering stage. Transducers shall be of dual out pu type. 1.1 Clearances, approaches, stairs& exits 1. Clearances inside the electrical rooms shall be as below: .. Description of Space / Clearance Min. Space (in mm) 1. Back clearance of Single front panel 1 2. Front to front clearance between drawout/ semi- dra wout panel boards 2 3. Between two panel boards installed in row 1 ( For similar small panels it can be 4. Between front of the panel to the wall of the room2 5. Between the wall and end of the switch gear/MCC1 6. Back to back clearance 1 7. Back to front clearance 2 8.