Studies on oil-immersed distribution transformer product service system based on Kano model and analytic hierarchy process

Market demands on the product performance and additional service of oil-immersed distribution transformer have become increasingly diversified. Single form of oil-immersed distribution transformer product and pure business relationship cannot adapt to current needs. Product service system innovation design can change single product form to the combination of product and service, it has the significance of further satisfying user requirements, and it is an extension service in a new form of physical product. In this paper, according to Kano model, user requirements were collected and classified. Then based on analytic hierarchy process (AHP), each class of user requirements was sorted by optimal weight and recombined. Finally, user requirements were mapped into correlative function/service characteristics, innovation design of oil-immersed distribution transformer product service system was achieved. The results have a certain guiding role for transformer manufacturers to adapt to the demands of power supply enterprises.