Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Wook-Ryun Lee"'
Publikováno v:
Journal of The Korean Society of Combustion. 24:34-40
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 26:469-474
Publikováno v:
International Journal of Aeronautical and Space Sciences. 17:157-166
Aerodynamic loads for a horizontal axis wind turbine of the National Renewable Energy Laboratory (NREL) Phase VI rotor in yawed condition were predicted by using the blade element momentum theorem. The classical blade element momentum theorem was com
Publikováno v:
KEPCO Journal on Electric Power and Energy. 1:99-104
In this study, it has been initiated to investigate the specific abnormal vibration signal that has been captured in the power equipment. Array Microphone can be used in order to detect the direction and the position of the noise source. It is possib
Publikováno v:
Physica C: Superconductivity. 485:102-106
A 35 kWh Superconductor Flywheel Energy Storage system (SFES) using hybrid bearing sets, which is composed of a high temperature superconductor (HTS) bearing and an active magnet damper (AMD), has been developed at KEPCO Research Institute (KEPRI). D
Publikováno v:
IEEE Transactions on Power Delivery. 27:1809-1819
A health grade system against mechanical faults of power transformers has been little investigated compared to those for chemical and electrical faults. This paper thus presents a statistical health grade system against mechanical faults in power tra
Publikováno v:
Journal of Electrical Engineering and Technology. 7:230-235
Cases of insulation breakdown damage of water-cooled generator stator windings occur frequently due to coolant leakage and water absorption worldwide. Such serious accidents may cause not only enormous economic loss but also very serious grid acciden
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 12:1009-1014
This paper describes an optimal design process of a permanent-magnet thrust bearing. The bearing consists of two sets of permanent magnet rings. One set is located inside the other. An axial displacement between the two sets creates an axial force, t
Publikováno v:
The Transactions of The Korean Institute of Electrical Engineers. 60:1972-1977
The mechanical integrity of generator stator windings is one of the critical point because the electric power is generated and conducted to power system through these windings. To cool down the heat emitted from generator winding during its operation
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers B. 35:1047-1052
Diesel engines are widely used as power supplies for isolated islands as well as emergency power supplies for large-capacity power plants because of their rapid response to operation, high reliability, and good durability. However, diesel engines are