Design for Variable Frequency Drive Applications

by Stephen M. Kersch, Atlantic Pipeline Corp, Sinking, Spring, PA, USA,

Document Type: Proceeding Paper

Part of: Pipeline Infrastructure


This paper presents fundamental design criteria used to evaluate the operational and economic feasibility of installing a variable frequency drive (VFD) on a petroleum products pipeline. A case study is presented in order to demonstrate the application of the design criteria. The operating data is used to compute the electrical power consumption for a conventional control system versus a VFD control system. The operating costs are then analyzed using power company billing information and financial analysis techniques to confirm the economic advantage of utilizing VFD's. The secondary benefits of operating at reduced speeds, soft motor starts and increased throughput flexibility are also presented.

Subject Headings: Control systems | Economic factors | Case studies | Electric power | Electrical systems | Pipelines | Pumping stations | Power plants

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