학술논문

Efficiency optimization of small hydro power plant in low power operation
Document Type
Conference
Source
2017 IEEE International Conference on Environment and Electrical Engineering and 2017 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe) Environment and Electrical Engineering and 2017 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe), 2017 IEEE International Conference on. :1-5 Jun, 2017
Subject
Power, Energy and Industry Applications
Stator windings
Power generation
Generators
Rotors
Iron
Voltage measurement
Star-delta
Wye-delta
Induction machine
Efficiency
Power losses
Power saving
Energy saving
Language
Abstract
This paper deals with a low power operation of small hydro power plants. It is typical for small hydro power plants on small rivers without reservoirs where the power in low season is less than one-third of nominal power. That is why the efficiency is decreased. The generator has low efficiency in this operation due to constant no load losses. The analysis of losses is presented and possible improvements are suggested. The last part of this paper presents a simple method of reducing no load losses, calculation of the power savings and experimental validation of this method.