Design and small signal analysis of solar PV fed FPGA based Closed Loop control Bi-Directional DC-DC converter

2013 ◽  
Author(s):  
Dogga Raveendhra ◽  
Padmanabh Thakur ◽  
B.L. Narasimha Raju
Keyword(s):  
Signal Analysis ◽  
Closed Loop ◽  
Closed Loop Control ◽  
Small Signal ◽  
Solar Pv ◽  
Loop Control ◽  
Small Signal Analysis

scholarly journals A Novel DC-DC Converter Based Closed Loop Control of BLDC Motor for SPV fed Water Pumping System

2020 ◽  
Vol 06 (09) ◽  
pp. 240-247
Author(s):  
V Mounika and Tejavath Suhasini
Keyword(s):  
Closed Loop ◽  
Maximum Efficiency ◽  
Closed Loop Control ◽  
Solar Photovoltaic ◽  
Bldc Motor ◽  
Solar Pv ◽  
Efficient Operation ◽  
Loop Control ◽  
Pumping System ◽  
Water Pumping

This Paper Presents Novel DC-DC Converter Based Closed Loop Control of BLDC Motor for SPV fed Water Pumping System Solar Photovoltaic (SPV) Array fed Water pumping System Utilizing Buck-boost DC-DC Converter in order to extract the maximum available power from Solar system. Solar energy has the greatest availability compared to other energy sources. For such solar PV systems, maximum power point tracking control is preferred for efficient operation. This concept is dealing with INC method which is one of the MPPT methods. This study deals with a buck–boost converter controlled solar photovoltaic (SPV) array fed water pumping in order to achieve the maximum efficiency of an SPV array and the soft starting of a permanent magnet brushless DC (BLDC) motor. The current sensors normally used for speed control of BLDC motor are completely eliminated. The speed of BLDC motor is controlled through the variable DC-link voltage of a voltage-source inverter (VSI). The VSI is operated by fundamental frequency switching, avoiding the losses due to high-frequency switching, in order to enhance the efficiency of the proposed system.

A New Small-Signal AC Model and Closed Loop Control of a Three-Phase Interleaved Boost Converter

2018 ◽  
Vol 9 (1) ◽  
pp. 240
Author(s):  
H.V.Gururaja Rao ◽  
Karuna Mudliyar ◽  
R.C. Mala
Keyword(s):  
Solar Energy ◽  
Closed Loop ◽  
Boost Converter ◽  
Closed Loop Control ◽  
Phase Lag ◽  
Small Signal ◽  
Loop Control ◽  
Boost Converters ◽  
Three Phase ◽  
Interleaved Boost Converter

<table width="593" border="1" cellspacing="0" cellpadding="0"><tbody><tr><td valign="top" width="387"><p>Renewable energy sources are increasingly being used today and solar energy is the most readily and abundantly available energy source. Boost converters are an integral part of any solar energy system. In order to obtain maximum possible energy from the solar system multi-phase interleaved boost converters are used. This paper presents the small-signal ac modelling and closed loop control of three-phase interleaved boost converter. State–space modelling methodology has been adopted to have linearized equivalent model of the boost converter. The interleaved three-phase boost converter is averaged over its one switching period and perturbed with small ac variations and finally linearized around its quiescent point to have a small signal ac model.  Type III compensator is employed to improve the frequency response and closed loop control of three-phase boost converter. The controller design procedure is discussed in detail. The effect of right-half plane zero in non-minimum phase system and the appropriate pole-zero placements to overcome the maximum phase lag in such system is discussed. The compensated closed loop system is tested for load variations to observe the transient response.</p><p> </p></td></tr></tbody></table>

Exploiting All Programmable SoCs in Neural Signal Analysis: A Closed-Loop Control for Large-Scale CMOS Multielectrode Arrays

2018 ◽  
Vol 12 (4) ◽  
pp. 839-850 ◽  
Author(s):  
Giovanni Pietro Seu ◽  
Gian Nicola Angotzi ◽  
Fabio Boi ◽  
Luigi Raffo ◽  
Luca Berdondini ◽  
...  
Keyword(s):  
Signal Analysis ◽  
Large Scale ◽  
Closed Loop ◽  
Closed Loop Control ◽  
Multielectrode Arrays ◽  
Neural Signal ◽  
Loop Control ◽  
Neural Signal Analysis
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