Establishment of a Pico Hydro Power Plant Using Permanent Magnet Synchronous Generator Supplied for AC Microgrid

Author(s):  
Paiwan Kerdtuad ◽  
Thawatchai Simma ◽  
Kunjana Chaiamarit ◽  
Soupagorn Visawaphatradhanadhorn
2018 ◽  
Vol 1 (1) ◽  
pp. 531-537
Author(s):  
Dariusz Tarnapowicz ◽  
Sergiei German-Galkin

Abstract In recent years, the use of Permanent Magnet Synchronous Generator (PMSG) in ship power plant system has increased. PMSGs are characterized by better properties than the classic and commonly used synchronous generators. In comparison with classic synchronous generators, PMSGs do not have a voltage regulator, and hence as the load increases, the voltage at the output of the generator decreases. The article presents the use of an active voltage inverter with the task to maintain a constant voltage on the receiver along with the load’s increase. Simulation studies confirming the effectiveness of the proposed method were carried out.


2018 ◽  
Vol 1 (2) ◽  
Author(s):  
Yusuf Ismail Nakhoda ◽  
Feri Prasetyo Nugroho ◽  
M. Abd. Hamid ◽  
Awan Uji Krismanto ◽  
Eko Yohanes Setiawan

- In conventional power system, synchronous generator which characterized by high-speed operating condition has been widely implemented. However, those high-speed synchronous machines are not suitable for a power plant powered by renewable energy (RE) due to uncertain feature of renewable resources. To overcome this problem, an electrical machine with low-speed characteristic is required for ensuring stable operation and maintaining output power of the RE based distribution generation (DG) unit. In this paper, a low-speed permanent magnet synchronous generator (LS-PMSG) is designed and implemented. To realize low-speed operation capability, the multi-stages permanent magnet synhcronous machine is proposed. The multi-stages machine equipped with two stators and three rotors construction. From the experimental results, it was monitored that output voltage of single rotor of the designed machine was 35 V. Moreover, to increase the output voltage to 50 V, those three rotors can be connected in series.


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