REFTI YUNISA, FEMILIA (2022) PEMODELAN ESTIMASI PARAMETER GENERATOR SINKRON TIGA FASE DENGAN METODE DERIVASI KONSTANTA WAKTU. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.
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Abstract
Synchronous machine is the main generating unit in electric power system so that synchronous machine modeling is very important for analysis study of electric power system. This synchronous machine is the same as a synchronous generator, the only difference is that the rotor synchronous generator is rotated to produce a voltage, while the stator synchronous machine is given a voltage so that the rotor rotates. In the operational practice of synchronous generators, often the manufactured data on the physical generator has been damaged or lost, making it difficult to obtain or determine the parameters that will be calculated in the simulation and analysis of the electric power system. One of the methods used in estimating these parameters is the time constant method. This research begins by conducting a noload and short circuit experiment on a synchronous generator, then modeling a synchronous generator equation system into the dq axis form. The dq axis modeling system used aims to simplify and facilitate the analysis of response characteristics. Next, record the frequency response in both the d and q axes and then compare it between the standard method and the time constant derivation method. The results obtained in this study are to analyze the response values for electromagnetic torque, rotor rotation speed, stator current, field winding current, and dampers winding current, all of which are compared to changes in time. At the initial state of the noload synchronous generator, with the derivation method the electromagnetic torque time constant produced is lower with a maximum value difference of 33 Nm with difference percentage is 206,25 % . Then when the synchronous generator serves the nominal load, the active power generated at steady state is lower with a difference of 35 W with difference percentage is 2,8 % , and the stator current is also 1.9 Amps with difference percentage is 40,43 % lower when compared to the standard time constant method.
Item Type:  Thesis (Skripsi) 

Subjects:  T Technology > T Technology (General) 
Divisions:  Institut Teknologi Dirgantara Adisujtipto > Teknik Elektro 
Depositing User:  Ms Femilia reftiyunisa 
Date Deposited:  27 Mar 2024 05:13 
Last Modified:  27 Mar 2024 05:13 
URI:  http://eprints.stta.ac.id/id/eprint/1362 
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