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With the deepening of the rapid development of the power industry and power system of market-oriented reforms , power enterprises gradually expand the scope of business , an increase in the kind of data that need to be addressed , the amount of data increases , making the electricity enterprise information construction speed corresponding to speed up . Enterprise information portal (Enterprise Information Portal, hereinafter referred to as EIP) came into being . It is integrated into various application systems , data resources and Internet resources unified enterprise information platform to the enterprise and its employees and partners organically linked . On this platform , Enterprise Portal to achieve the integration of internal and external resources , and to provide users with a personalized service . This is the current enterprise technical means to carry out high-level e-commerce applications . It can be said , and is closely related to the survival and development of enterprises , build a good enterprise information portal has become a key link of the electricity enterprise information construction . This paper first describes the theoretical basis of the enterprise portal system to analyze the characteristics of the power supply company enterprise portal system , the goal of building the system key technologies . Then , based on the the Tangshan Power Supply Enterprise Portal project construction , focuses on the detailed design of the project , as well as various functional modules , including single sign-on , EAI menu display , unified todo library access design , e-mail columns , columns of information security , news module , SCADA load curve , the region electricity supply curve , the topics , party building to-do , to provide data exchange platform for enterprise business information resource integration . Finally, the papers in respect of the implementation of the system and application security , reliability , scalability , system elaborated . \
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