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The paper proposes a novel application for poultry of humane killing. The proposed poultry killer consists of two forward converter and two half-bridge inverters. In each forward converter, a ripple-free circuit is introduced into the one to achieve output current with ripple-free and to generate a high pulse voltage which is used to induce breakdown of poultry skin, feather or scale in feet. With...
This paper presents a high pulsed electric field generator for microbial inhibition of liquid food in continuous treatment applications. The proposed pulsed electric field generator adopts forward/flyback hybrid converters to achieve a bidirectional narrow pulse voltage output. With this circuit structure, the proposed one can reduce voltage stresses of output diodes and switches in secondary winding...
This paper proposes an active clamp interleaved forward converter with a single-capacitor turn-off snubber constructed with a full-bridge inverter for stunning poultry applications. The proposed converter can use active clamp circuit to recover the energy trapped in magnetizing and leakage inductors of transformer and to achieve zero-voltage switching at turn-on transition. In addition, the proposed...
This paper presents an intelligent poultry stunner with a current sharing controller for improving carcass quality and animal welfare. In this circuit structure, a stunner which is composed of active clamp flyback converter and full-bridge inverter, and a dither voltage generator which is adopted to fast breakdown the skin impedance of the poultry for reducing poultry stress and improving carcass...
This paper presents a narrow pulsed voltage generator along with an ultrasound generator for liquid food sterilization. The generator is derived from a bidirectional flyback converter with leakage energy recovery circuits, which can improve efficiency about 12%. In addition, the proposed generator is associated with a half-bridge inverter for generating ultrasound to clean sterilizer electrodes. In...
This paper presents a high step-up converter associated with a full-bridge inverter for livestock stunning applications. The proposed converter adopts a two stage converter and uses partial energy processing to reduce voltage stress and switching loss and then, its switches are operated in a complementary manner to reduce component counts and circuit structure complexity. To further improve its conversion...
This paper presents an intelligent poultry stunner for improving carcass quality and animal welfare. In the stunner system, an active clamp circuit is used in a forward converter to reset the magnetizing energy and to recover leakage energy trapped in the transformer, increasing its conversion efficiency. In addition, a dither generator realized with a half-bridge inverter is adopted to fast breakdown...
This paper presents an intelligent poultry stunner for improving carcass quality and animal welfare. In the stunner system, an active clamp circuit is used in a forward converter to reset the magnetizing energy and to recover leakage energy trapped in the transformer, increasing its conversion efficiency. In addition, a dither generator realized with a half-bridge inverter is adopted to fast breakdown...
This paper presents a high step-up converter associated with a full-bridge inverter for livestock stunning applications. The proposed converter adopts a two stage converter and uses partial energy processing to reduce voltage stress and switching loss and then, its switches are operated in a complementary manner to reduce component counts and circuit structure complexity. To further improve its conversion...
This paper presents an intelligent poultry stunner with parameter auto-tuning feature for improving carcass quality and animal welfare. In this stunner system, an active clamp flyback converter is used to increase conversion efficiency, and a dither voltage generator realized with a half-bridge inverter is adopted to fast breakdown the skin impedance of the poultry which can reduce poultry stress...
This paper proposes an interleaving forward converters with single-capacitor turn-off snubber associated with a full-bridge inverter for poultry stunning applications. The proposed converters can use the single-capacitor snubber to smooth out switch turn-off transient for reducing turn-off loss. As compared with the counterparts of the conventional converter topologies, the proposed converters have...
This paper proposes a buck and boost derived converter associated with a full-bridge inverter for livestock/poultry stunning applications. The derived converter is formed by combining buck and boost converters to step up or step down input voltage. Compared with the conventional buck-boost converter, the proposed converter can raise efficiency of 4-6% under full load condition. In the paper, mechanism...
This paper presents a high step-up converter associated with a full-bridge inverter for livestock stunning applications. The proposed converter adopts a two-stage converter and uses partial energy processing to reduce voltage stress and switching loss, and to improve conversion efficiency. In addition, switches in the proposed converter are operated in a complementary manner to reduce component counts...
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