Sizing Chokes for Mission Critical Islanded Power Systems

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Sizing Chokes for Mission Critical Islanded Power Systems

In this presentation, the theory behind each equation for sizing chokes for isolated-parallel power systems is explained.

Sizing Chokes for Mission Critical Islanded Power Systems

In this presentation, the theory behind each equation for sizing chokes for isolated-parallel power systems is explained.

The presentation is based on Mosman’s patent for Iso-Parallel design and electrical system modeling commissioned from SEL for a large central engine-generator plant. That project consisted of 12 independent medium-voltage parallel busses, each with up to eight 4MW Engine Generators. Each parallel bus was to be connected to a common Iso-Parallel bus to allow for load sharing and equalization across the 12 busses. The connection consisted of a reactive inductor (choke), and the sizing of the choke was critical to the stability of the system. This required complex calculations and modeling, which is explained in the webinar.

Presenter:

Mike Mosman, P.E.

Mike Mosman graduated from the Electrical Engineering program at Washington State University. Mike is the Vice President of Electrical engineering at Morrison Hershfield where he oversees all aspects of analysis, design, implementation, commissioning, technical management and design quality assurance for major critical facilities projects. He is an expert in the mission critical field with an extensive background in diverse facilities, including heavy industry, nuclear utilities, data centers and other technology-intensive mission critical facilities and infrastructure.

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Scott Manson, B.S.E.E., M.S.E.E.

Scott Manson received his M.S.E.E. from the University of Wisconsin—Madison and his B.S.E.E. from Washington State University. Scott is presently the engineering services technology director at SEL. In this role, he provides consulting services on control and protection systems worldwide. Scott is a registered Professional Engineer in five states and holds eight patents.

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