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首页> 外文期刊>IEEJ Journal of Industry Applications >Simple Harmonics Compensation Method for Smart Charger with Constant DC-Capacitor Voltage-Control for Electric Vehicles in Single-Phase Three-Wire Distribution Feeders
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Simple Harmonics Compensation Method for Smart Charger with Constant DC-Capacitor Voltage-Control for Electric Vehicles in Single-Phase Three-Wire Distribution Feeders

机译：单相三线配电馈线中具有恒定直流电容器电压控制的电动汽车智能充电器的简单谐波补偿方法

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摘要

This paper discusses harmonic current compensation of the constant dc-capacitor voltage-control (CDCVC)-based strategy for smart charger for electric vehicles (EVs) in single-phase three-wire distribution feeders (SPTWDFs) under distorted load current conditions. The basic principle of the CDCVC-based harmonics compensation strategy under distorted load current conditions is discussed in detail. The instantaneous power flowing into the three-leg pulse-width modulated (PWM) rectifier, which acts as a smart charger, shows that the CDCVC-based strategy achieves balanced and sinusoidal source currents with a unity power factor (PF). The CDCVC-based harmonics compensation strategy does not require any calculation blocks of fundamental reactive, unbalanced active, and harmonic currents. Thus, the authors propose a simplified algorithm to compensate for reactive, unbalanced active, and harmonic currents. Simulation and experimental results demonstrate that balanced and sinusoidal source currents with a unity PF in SPTWDFs are obtained on the secondary side of the pole-mounted distribution transformer during both the battery-charging and battery-discharging operations in EVs, compensating the reactive, unbalanced active, and harmonic currents.
机译：本文讨论了在负载电流条件下，单相三线配电馈线（SPTWDFs）中的电动汽车（EV）智能充电器基于恒定直流电容器电压控制（CDCVC）的策略的谐波电流补偿。详细讨论了在负载电流失真的情况下基于CDCVC的谐波补偿策略的基本原理。流入作为智能充电器的三脚脉宽调制（PWM）整流器的瞬时功率表明，基于CDCVC的策略以单位功率因数（PF）实现了平衡的正弦电流。基于CDCVC的谐波补偿策略不需要基本无功，不平衡有功和谐波电流的任何计算模块。因此，作者提出了一种简化的算法来补偿无功，不平衡有功和谐波电流。仿真和实验结果表明，在电动汽车的电池充电和电池放电操作期间，SPTWDFs中具有统一PF的平衡和正弦源电流在杆装配电变压器的次级侧获得，从而补偿了无功，不平衡有功以及谐波电流。

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