그림 1. 리타더의 원리 Fig. 1 Principle of retarder
그림 2. 리타더 회로구성 Fig. 2 Retarder circuit
그림 3. 리타더 에너지 회수 회로 Fig. 3 Retarder energy collection circuit
그림 4. 제안된 DC-DC컨버터 회로의 모델링 Fig. 4 Proposed DC-DC converter circuit modeling
그림 5. 각 Mode별(시뮬레이션) 동작 파형 Fig. 5 Operation waveform of each mode(situation)
그림 6. LLC AC 모델링 Fig. 6 LLC AC modeling
그림 7. 변압기 Fig. 7 Transformer
그림 8. 1차측 공진 탱크 DC-DC 컨버터 Fig. 8 Primary resonant tank DC-DC converter
그림 9. 제안된 DC-DC 컨버터의 시뮬레이션 Fig. 9 Simulation for proposed DC-DC converter
그림 10. 전압제어를 위한 PI 제어기 Fig. 10 PI Controller for voltage control
그림 11. 시뮬레이션 결과 Fig. 11 Simulation result (IO=100A or VO=24V @ 2.5kW)
그림 13. M1, M4의 드레인과 소스 간의 소프트 스위칭 실험결과(회로_1의 단일 테스트) Fig. 13 Experimental results of soft switching and drain between drain and source of M1, M4 (circuit_1 single test)
그림 12. 제안된 컨버터의 실제 회로(2세트) Fig. 12 The real circuit of proposed converter(2set)
그림 14. 2개 회로의 연동 실험 Fig. 14 Interlocking test of two circuit
표 1. PWM PRT DC-DC 컨버터 디자인 파라미터 Table 1. PWM- PRT DC-DC converter design parameters
표 2. 제안된 DC-DC 컨버터 회로의 스펙 Table 2. Spec of proposed DC-DC converter circuit
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