{"@type": "dcat:Dataset", "DOI": "10.15473/1867859", "accessLevel": "public", "bureauCode": ["019:20"], "contactPoint": {"@type": "vcard:Contact", "fn": "Jonathan Bird", "hasEmail": "mailto:bird@fluxmagic.com"}, "dataQuality": true, "description": "The goal of this project is to design, fabricate, and test a hermetically sealed 50 kilowatt (kW) multistage magnetically geared generator (MGG). In\norder to reduce risk, a sub-scale 5kW multistage MGG was first built. This project will benefit MHK device developers by providing an MHK PTO that overcomes the reliability concerns of the mechanical gears and the sizing constraints of the direct-drive generators. Measurement data for a 9.5:1 gear ratio magnetic gear with a measured peak torque of 227 N-m as well as the dual stage magnetic gear with a 63:1 gear ratio.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://mhkdr.openei.org/files/416/dual_stage_efficiency.xlsx", "description": "Excel spreadsheet detailing the dual stage magnetic gear efficiency of the sub-scale stage 1 magnetic gear.", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Dual Stage Efficiency.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://mhkdr.openei.org/files/416/stage%201%20-%20torque_step_change%40300RPM.xlsx", "description": "Torque step change data for the stage 1 magnetic gear", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Stage 1 - Torque Step Change at 300RPM.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://mhkdr.openei.org/files/416/stage%201%20_%20300%20RPM.xlsx", "description": "Measurement data for the stage 1 magnetic gear operating at 300 rpm", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Stage 1 - 300 RPM.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://mhkdr.openei.org/files/416/stage1-no%20%20load%20test.xlsx", "description": "Stage 1 magnetic gear no-load test", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Stage 1 - No Load Test.xlsx"}, {"@type": "dcat:Distribution", "accessURL": "https://mhkdr.openei.org/files/416/sub-scale%20efficiency.xlsx", "description": "Efficiency data for the stage 1 magnetic gear ", "format": "xlsx", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Sub-Scale Stage 1 Efficiency.xlsx"}], "identifier": "https://data.openei.org/submissions/8739", "issued": "2022-05-12T06:00:00Z", "keyword": ["CEC", "Hydrokinetic", "MGG", "MHK", "Marine", "PTO", "WEC", "data", "energy", "generator", "magnetic gear", "magnetic gear generator", "measurment", "model", "power", "prototype", "raw data", "scaled", "sub scale", "sub-scale", "subscale", "test", "test data"], "landingPage": "https://mhkdr.openei.org/submissions/416", "license": "https://creativecommons.org/licenses/by/4.0/", "modified": "2026-07-30T06:00:04Z", "programCode": ["019:009"], "projectLead": "Erik Mauer", "projectNumber": "EE0008100", "projectTitle": "A Hermetically Sealed Magnetically Geared Marine Hydrokinetic Generator", "publisher": {"@type": "org:Organization", "name": "Portland State University"}, "spatial": "{\"type\":\"Polygon\",\"coordinates\":[[[-126.3495,44.22126829273125],[-122.3825,44.22126829273125],[-122.3825,48.9596],[-126.3495,48.9596],[-126.3495,44.22126829273125]]]}", "title": "Sub-Scale Stage 1 Magnetic Gear for a Marine Hydrokinetic Generator"}