Bevel-helical speed reduction gearbox B4 nder MD Bevel helical gear units vertical moun B4-SV-11B

Flender/Flender Gear Units/Bevel-helical speed reduction gearbox B4

stem Chapter-0.0 2, MECON Limited, All Right Reserved Pag 2 of 2 For mobile equipment with flexible cables/ trailing cable/ Reel ing drum, one separate copper conductor of adequate si ze shall be provided for earthin . 1.0 Conductor sizes for ground connections: For equipment ground connections , the minimum conductor sizes sed should be as follows: .. System / Equipment Minimum Conductor Sizes 1. Main earthing rings around the building and risers 7 1 mm GI Flat 2. High voltage systems, HT switch- boards, 3. Transformers Earthing and neutral 4. LT PCC 5. Main earthing ring for MCC room, in shop units/plant buildin gs 5 6 mm GI flat 6. Aux. LT Switchboards and other equipment protected circuit breakers. 7. LT MCC, PDB, MLDB, Bonds to crane gantries 8. HT motors 9. Motors and starters over 4 kW 1. Cable trays all around 1. Motors and starters above 1 kW, and upto and including 4 kW Control desks, cabinets, Welding socket outlet, Isolators, LDBs. 2 3 mm GI flat 1. Motors and starters above 3.7 kW and upto and including 1 kW. Local Control Box/station 1 Sq. mm Stranded GI wire: 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 1.0 Earthing electrodes The earthing electrodes for treated earth pits shall be of GI ipes 5 mm dia and minimum5 mm thickness in one piece provided with connection bar , water filling device and other accessories in line with IS-3 latest editio . 1.0 Elecronic earthing system Separate electonic earthing system shall be provided for all el ectronic equipment like PLC/SCADA, weighing panel, computer etc. Elecro