Sökning: "EC-motorer"

Hittade 2 uppsatser innehållade ordet EC-motorer.

1. 1. Conductive interferences from multiple EC-motor installation : To measure and mitigate harmonics

   Uppsats för yrkesexamina på grundnivå, Uppsala universitet/Signaler och system

   Författare :Victor Aitman; [2022]
   Nyckelord :harmonics; interharmonics; harmonic-mitigation; electromagnetic compability; EMC; övertoner; EC-motorer; störningar; övertonsreducering; elektromagnetiskt kompabilitet; EMC;

   Sammanfattning : Products produced by a Swedish company are requested to be investigated regarding their harmonic and inter-harmonic currents injected into the public supply system to comply with the Swedish standard SS-EN IEC 61000-3-2, Electromagnetic compatibility (EMC).    On behalf of Systemair Sweden AB, this bachelor thesis aims firstly to investigate if their product, PAFEC 4225 WH (Air Curtain), complies with standard SS-EN IEC 61000-3-2, and if not, what measures should be taken; and secondly to develop a low-cost instrument for the measurement of harmonics and inter-harmonics according to standard IEC 61000-4-7 related to the requirements on equipment used in standard SS-EN IEC 61000-3-2. LÄS MER

3. 2. Stabiliserad antennplattform för mobil satellitkommunikation

   Master-uppsats, KTH/Maskinkonstruktion (Inst.)

   Författare :Camila Svedmyr; [2016]
   Nyckelord :Satellite communication; SOTM; stabilized platform; flat array antenna; Satellitkommunikation; SOTM; stabiliserad plattform; platt antenn;

   Sammanfattning : This report describes a master thesis project work in machine design. The work has been done at the consulting firm Svea Teknik with DataPath as the customer. The subject of the project was to design a concept for a stabilized platform for a satellite antenna in an on-the-move application. LÄS MER