Maximum Power Point Tracking for a Point Absorber Device with a Tubular Linear Switched Reluctance Generator

被引：11
作者：
Mendes, Rui
Calado, Maria do Rosario
Mariano, Silvio [1 ]
机构：
[1] Univ Beira Interior, P-6201001 Covilha, Portugal
来源：
ENERGIES | 2018年 / 11卷 / 09期
关键词：
tubular linear generator; switched reluctance machine; ocean wave energy; direct drive conversion; WAVE ENERGY DEVICE; LATCHING CONTROL; PERFORMANCE; CONTROLLER; CONVERTER;
D O I：
10.3390/en11092192
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper addresses the control of a Tubular Linear Switched Reluctance Generator (TLSRG) with application in a point absorber device. A maximum power point tracking (MPPT) strategy is proposed to maximize the power extraction from ocean waves. The generator is characterized by average maximum force of 120 kN and a maximum velocity of 1.3 m/s. The proposed MPPT is achieved by changing the generator damping load according to the excitation force induced by a regular wave. A hysteresis controller is applied to regulate the phase current intensity which allows the control of the linear force provided by the generator. The conversion system direct current (DC) bus voltage is adjusted by an isolated DC/DC converter with a proportional integral controller to define the appropriate duty-cycle.
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页数：18
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