AMPED I Happenings

Protection & Coordination Study

Posted by AMPED I on April 15, 2015
 
Protection Coordination Study, short circuit analysis for multiple distribution substations and recommend new settings.  This involved our partner HMV, who performed analysis in ASPEN models of line properties, busbar protection, and power transformers.  Operation conditions and scenarios were established in mutual agreement with the client for the full analysis.  The client provided the power system database, equipment specifications, and settings crtiterias for all protective devices, as well as a reference coordination study done recently.  Amped I provided coordination graphs for overcurrent and distance protections to ensure correct grading, as well as asset capability curves and short circuit results to ensure their protection.
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Topics: Relay Coordination Settings

Distribution Automation Recloser

Posted by AMPED I on January 11, 2014
 
Amped I is currently performing fault analysis and modelling using Aspen oneliner and Cymdist to help determine recloser settings and coordination on a distribution circuit.  We will then be using acSelerator software from SEL to load these settings into the database for the utility showing feeder, device, fault, and curve edits.  Reclosing shots, stuck breaker timers, and downstream protective devices will all be considered.  We are then verifying coordination between other bus feeders on the system.
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Topics: Relay Coordination Settings

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AMPED I provides exceptional design and engineering services for the power transmission and distribution industry.

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