ELECTRIC MACHINE ROTOR WATER SUPPLY DUCT BUSHING WITH LIQUID- COOLED WINDING

摘要

electrical engineering. SUBSTANCE: device has insulation tube having nipple, casing water- tightly attached to it, and external insulation with waterproofing envelope on the surface. The external insulation layer is coupled without gaps to metal envelope and to nipple and casing surfaces and to external surface of the insulation tube as well. EFFECT: enhanced reliability and service life of the bushing. 2 cl