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Standard Induction Machines
Standard Induction Machines
Ansaldo Sistemi Industrialli SpA is one of the world's leading suppliers of electric motors, generators, power control systems and industrial automation products. The standard induction machines are built with an aluminum squirrel cage rotor. Rotor packs are made from single punch laminations up to size 1000. Larger packs are made using lamination segments. End rings are made of a special aluminum alloy which is welded to the cage using state-of-the-art techniques. Stators are built as self contained units which are mounted into the frame after the coils have been inserted and the whole unit has undergone the company?s Micasystem VPI process. The Micasystem VPI insulation system is one of the best on the market. This sytem is based on a special mica tape and a blend of solventless epoxy resins. Due to its outstanding dielectric and mechanical properties this class F insulation system is qualified for use in nuclear power stations and highly aggressive environments. Specifications for series CT/CR/W/N/CB: power rating ? 150-25,000 kW, 200-33,500 HP; voltage ? up to 15 kV; mass ? 1,500-120,000 kg; number of poles ? 2-36; and frame size ? 315 mm through 1120, 10, 11, 12, 13. Specification for series ET/CAD: power rating ? 150-4,500 kW, 200-6,030 HP; voltage ? up to 15,000 V; mass ? 1,500-25,000 kg; number of poles ? 2-12; frame size ? 355 ? 800 mm; and type of cooling ? IC 511, IC 411. The company?s strengths: aluminium or copper bar rotor; Micasystem VPI insulation system; and custom tailored to meet specific needs.
