Analisis Phase Lead Compensator Pada Pemodelan State Space Motor Induksi Tiga Fasa
DOI:
https://doi.org/10.22441/jte.2022.v13i2.004Keywords:
Direct quadrature, lead compensator, induction motor, state space.Abstract
Penelitian tentang pengendalian motor induksi telah banyak dilakukan dalam perkembangan dunia industri, tujuannya adalah untuk mendapatkan efisiensi dalam penggunaan energi listrik. Penelitian ini diawali dengan pemodelan motor induksi kedalam sumbu direct dan quadrature (dq) dan kemudian memodelkan sistem persamaan state space. Sistem persamaan state space yang digunakan bertujuan untuk menyederhanakan pemodelan motor induksi sehingga mudah untuk dianalisis. Selanjutnya melakukan perancangan pada sistem kendali motor induksi dengan penambahan kompensator mendahului (lead compensator) yang bertujuan untuk memperbaiki nilai response pada sistem. Hasil yang diperoleh pada penelitian ini adalah menganalisis nilai-nilai response pada torsi elektromagnetik, kecepatan putaran rotor, dan arus stator yang kesemuanya ini dibandingkan terhadap perubahan waktu. Pada saat pengasutan awal motor induksi dengan lead compensator yang didesain dengan penurunan overshoot sebesar 15%, torsi elektromagnetik yang dihasilkan menjadi lebih tinggi dengan nilai maksimum sebesar 25,6%. Kemudian pada saat motor induksi melayani beban sebesar 50 Nm kecepatan steady state putaran rotor menjadi lebih tinggi 1,57%, tetapi arus stator menjadi 12,95% lebih rendah jika dibandingkan dengan sistem yang didesain pada penurunan overshoot sebesar 10%.Downloads
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