功率因数
工程类
电压
交流电源
永磁同步发电机
控制理论(社会学)
电力系统
谐波
变压器
电气工程
计算机科学
功率(物理)
控制(管理)
量子力学
物理
人工智能
作者
Chandrakala Devi Sanjenbam,Bhim Singh
出处
期刊:IEEE Transactions on Consumer Electronics
[Institute of Electrical and Electronics Engineers]
日期:2023-01-01
卷期号:: 1-1
标识
DOI:10.1109/tce.2023.3324509
摘要
An integration of renewable power sources, power electronic devices, nonlinear and unbalanced loads cause power quality (PQ) problems. Mitigating PQ issues in distribution system is critical for both customers and suppliers because it enhances system efficiency, lowers electricity prices, ensures continuous supply, and decreases the need for frequent maintenance. A unified power quality conditioner (UPQC) is used with the standalone hydro-electric system to enhance the voltage and current qualities simultaneously. A hydro driven permanent magnet synchronous machine is working as a generator (PMSG) and is feeding a local sensitive load. A predictive based control technique is used for proper control of UPQC by generating desired switching pulses. By injecting the appropriate voltages through a series injection transformer, this UPQC-based system enhances the power quality (PQ) of load voltages by keeping their waveforms sinusoidal and their magnitudes constant at desired value despite variations in generated voltages caused by changes in loads. The shunt compensator not only maintains a sinusoidal and harmonic-free PMSG stator currents, but it also provides the systems required reactive power and forces the generator to operate at unity power factor lowering the losses. Presented PMSG-based hydro-electric power generation with a battery support is simulated in MATLAB, and performances are examined for several scenarios. Moreover, through a laboratory prototype validation, the effectiveness in providing good quality of current and voltage ensuring to follow the IEEE std. 519.
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