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Novel Integrated Inverter/Converter Circuit and Control Technique of Motor Drives with Dual Mode Control for EV/HEV Applications

机译:EV / HEV应用的双模控制电机驱动器新型变频器电路和控制技术

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A new integrated circuit for motor drives with dual mode control for EV/HEV application is proposed. The proposed integrated circuit allows the PMSM to operate in motor mode or acts as boost inductors of Boost converter, and thereby boosting the output torque coupled to the same transmission system or DC-link voltage of inverter connected to the output of the integrated circuit. In motor mode, the proposed integrated circuit acts as an inverter and it becomes a boost type boost converter while using the motor windings as the boost inductors to boost the converter output voltage. Moreover, a new control technique for the proposed integrated circuit under boost converter mode is proposed to increase the efficiency. The proposed control technique is to use interleaved control to significantly reduce the current ripple and thereby reducing the losses and thermal stress under heavy load condition. In contrast, single-phase control is used for not invoking additional switching and conduction losses under light load condition. Experimental results derived from digital-controlled 3 kW inverter/converter using DSP show the voltage boost ratio can go up to 600 W to 3kW. And the efficiency is 93.83% under full load condition while keeping the motor temperature at the atmosphere level. These results fully confirm the claimed merits for the proposed integrated circuit.
机译:与用于EV / HEV应用双模式控制电机驱动器的新的集成电路提出。所提出的集成电路允许PMSM到在电动机模式下操作或作为升压转换器的升压电感器,并且由此升压耦合到相同的传输系统或连接到该集成电路的输出逆变器的直流母线电压的输出转矩。在电动机模式下,所提出的集成电路充当逆变器和它在使用电动机绕组作为升压电感,以提高转换器输出电压变为升压型升压转换器。此外,对于下升压转换器模式的所提议集成电路新的控制技术,提出了以提高效率。所提出的控制技术是使用交织的控制,以降低显著电流纹波,从而减少重负载条件下的损失和热应力。与此相反,单相控制用于轻负荷的条件下不调用附加的开关损耗和传导损耗。使用DSP从数字控制的3千瓦逆变器/转换器导出的实验结果表明,电压升压比可以高达600瓦至3kW的。和效率是93.83%满负载条件下,同时保持电机的温度在大气中的水平。这些结果充分证实了所提出的集成电路所主张的是非曲直。

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