• Crompton Greaves Limited

Aux Mill Duty DC Motors

Crompton Greaves, based in Mumbai, manufactures aux mill duty DC motors to AISE/IPSS standards. These are available in full speed, half speed and quarter speed designs and are suitable for operations up to 500 volts, 3 phase, 6 pulse thyristor converter. These have TIG welding armature coil connection to commutator. Brush position is at 45 deg for easy access for maintenance (except in case of laminated yoke version). Motor mounting dimension can be matched to replace 600 series motors to AISE or Russian standards. Salient features: * Conforming to AISE technical report No.1-1991/IPSS 1-03-002-94 * Class "H" insulation with class "F" temperature rise limits * Armature class "H" with VPI in solventless Polyesterimide resin * Split/non-split yoke without compensation winding or non-split laminated yoke with compensating winding. However split yoke is preferred for 808 and above frames and compensating type for 812 and above frames * Replaceable shaft * Double shaft extension 1:9.6 taper with key way parallel to taper as per AISE or 1:10 taper with key way parallel to shaft axis as per IPSS * Convertible between TENV and TEFV enclosure or with top mounted blower unit * Loose hanging leads or terminal box as required * Axial play of 3 mm (approximately) of shaft