研究目的
Investigating the characteristics of inductive power transfer (IPT) for T5 fluorescent lamp (FL) lighting system, focusing on electrical isolation and operation in dirty environments.
研究成果
The SP topology inductive power transfer for T5 fluorescent lamp lighting system exhibits superior characteristics, with efficiency higher than 90% operated at switching frequency range 51-60 kHz and gap range 2-8mm. The illuminated time of T5 fluorescent lamp is 100-315 ms, and the voltage and current waveforms show excellent performance.
研究不足
The study is limited to T5 fluorescent lamps and specific IPT system configurations. The performance may vary with different lamp types or system designs.
1：Experimental Design and Method Selection:
The study adopts a series-parallel (SP) resonant topology for the IPT system. A single-phase full-bridge inverter is used to produce an AC voltage as the input of the IPT system. The transformer consists of planar spiral coils and a square ferrite layer.
2：Sample Selection and Data Sources:
The study uses T5/28W fluorescent lamps as the load, with equivalent resistance RL varying from 400? to 1k?.
3：List of Experimental Equipment and Materials:
The IPT system includes Lp (258 μH) and Ls (258 μH) inductances, CP (0.22 μF) and CS (0.033 μF) capacitances, and a transformer with 80 turns and ferrite material 3C90. The inverter uses MOSFET (IPW65R041CFD) switches and is controlled by an Atmel ATMEGA 328P controller.
4：22 μF) and CS (033 μF) capacitances, and a transformer with 80 turns and ferrite material 3CThe inverter uses MOSFET (IPW65R041CFD) switches and is controlled by an Atmel ATMEGA 328P controller.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The experiment varies the air gap (2mm - 8mm) and load (RL: 400? - 1k?) to evaluate the IPT system's performance. The switching frequency ranges from 22 kHz to 100 kHz.
5：Data Analysis Methods:
The study derives the transfer function and frequency response of the IPT system and measures input power, output power, and efficiency under different conditions.
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