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Control Algorithm of Two Phase Orthogonal Power Supply for Electromagnetic Stirring System

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Academic year: 2021

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RL1 L1 L2RL2 iL1 iL2 iC Diode Rectifier 2-phase orthogonal power supply Electromagnetic Stirrer 3-Phase Input power DC Link Capacitor C Sa1 Sb1 Sc1 Sa2 Sb2 Sc2 그림1 전자기 교반 시스템용 상 직교하는 전원 공급 장치2

Fig. 1 Two-phase orthogonal power supply for electromagnetic stirring system

iL1 Electromagnetic Stirrer RL1 L1 L2 RL2 iL1 iL2 iC 2 phase orthogonal power supply iL2 ab dq 1 0 PI PI dq ab id iq ud uq MLx i_ref_peak iLx APF Controller -1 Sa1 Sa2 Sb1 Sb2 Sc1 Sc2 ML1 Mc ML2 그림 2 2상 직교하는 전원 공급 장치의 제안하는 제어 기법

Fig. 2 Proposed control method of two-phase orthogonal power supply

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Ω

표 1 시뮬레이션 파라미터

Table 1 Simulation parameters

표 2 시뮬레이션 결과

Table 2 Simulation results

 





Tims (s) -3.0k

I_L1_dq I_L2_dq I_L1_Ref I_L2_Ref 3.0k 2.0k 0k -1.0k -2.0k 1.0k 3.0k 2.0k 0k -1.0k -2.0k

I_L1_sin I_L2_sin I_L1_Ref

1.0k -3.0k I_L2_Ref 2.2 2.4 2.6 2.8 3 (B) (A)

Fig. 3 simulation result waveform

(A) Proposed method (B) Conventional method

I_L2_Ref I_L2_dq 1200 1100 1000 900 600 Tims (s) 2.79 2.8 2.81 2.82 800 700 I_L2_sin

Fig. 3 simulation result waveform

- Output current enlargement waveform

수치

Fig. 1 Two-phase orthogonal power supply for electromagnetic stirring system
표 1 시뮬레이션 파라미터

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