Sökning: "Johan Bladh"

Hittade 2 avhandlingar innehållade orden Johan Bladh.

1. 1. Hydropower generator and power system interaction

   Författare :Johan Bladh; Urban Lundin; Rafael Escarela-Perez; Uppsala universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Amortisseur windings; applied voltage test; automatic voltage regulators; damper windings; damping torque; empirical modelling; equivalent circuits; excitation control; finite element method; hydropower generators; power system restoration; power system stability; synchronous machines; self excitation; shaft torque amplification; short circuit test; single machine infinite bus; slip test; standstill frequency response test; subsynchronous oscillations; synchronising torque; synchronous generators; torsional interaction.; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

   Sammanfattning : After decades of routine operation, the hydropower industry faces new challenges. Large-scale integration of other renewable sources of generation in the power system accentuates the role of hydropower as a regulating resource. LÄS MER

3. 2. Fundamenta entomologiæ, quæ, venia nobiliss. Fac. Med. in illustr. ad Salam Swion. Athenæo. Præside. ... D:no Doct. Carolo von Linné. ... publico defendere conabitur ... Andreas Johann. Bladh. Ostrobotniensis. In audit. Carol. Maj. die Junii, anni MDCCLXVII

   Författare :Carl von Linné; Anders Johan Bladh; Carl von Linné; Uppsala universitet; []
   Nyckelord :Insects; Insects; Insekter; Systematik;

   Sammanfattning : .... LÄS MER