Circuit World: Volume 50 Issue 1

Novel center potential based analytical sub-threshold model for dual metal broken gate TFET

Joy Chowdhury, Angsuman Sarkar, Kamalakanta Mahapatra, Jitendra Kumar Das

The purpose of this paper is to present an improved model based on center potential instead of surface potential which is physically more relevant and accurate. Also, additional…

Design of folded cascode op amp and its application – bandgap reference circuit

Roohie Kaushik, Jasdeep Kaur, Anushree

Reference voltage or current generators are an important requirement for an analog or digital circuit design. Bandgap reference circuits (BGR) are most common way of generating…

Grid-connected solar photovoltaic-fed brushless DC motor drive for water pumping system using colliding body optimization technique

Biranchi Narayan Kar, Paulson Samuel, Jatin Kumar Pradhan, Amit Mallick

This paper aims to present an improvement to the power quality of the grid by using a colliding body optimization (CBO) based proportional-integral (PI) compensated design for a…

Optimization and control strategy of electric vehicles access to power grid

Wanjun Yin, Xuan Qin

This paper aims to reduce the impact of disordered charging of large-scale electric vehicles (EVs) on the grid. EV is great significance for environmental protection, energy…

Sliding mode predictive control of a five-level rectifier with only four–IGBT

Yifeng Zhu, Ziyang Zhang, Hailong Zhao, Shaoling Li

Five-level rectifiers have received widespread attention because of their excellent performance in high-voltage and high-power applications. Taking a five-level rectifier with…

Novel and simplified implementation of digital high-power pulsed MIG welding power supply with LLC resonant converter

Kaiyuan Wu, Hao Huang, Ziwei Chen, Min Zeng, Tong Yin

This paper aims to overcome the limitations of low efficiency, low power density and strong electromagnetic interference (EMI) of the existing pulsed melt inert gas (MIG) welding…

Five-dimensional memristive Hopfield neural network dynamics analysis and its application in secure communication

Xinxing Yin, Juan Chen, Wenxin Yu, Yuan Huang, Wenxiang Wei, Xinjie Xiang, Hao Yan

This study aims to improve the complexity of chaotic systems and the security accuracy of information encrypted transmission. Applying five-dimensional memristive Hopfield neural…

Parameters optimization design method for LLC resonant converter based on impedance model

Xuliang Yao, Xiao Han, Yuefeng Liao, Jingfang Wang

This paper aims to better design the resonant tank parameters for LLC resonant converter. And, it is found that under heavy load, the voltage gain is affected by junction…

Fault diagnosis of wind turbine power converter using intrinsic mode functions with relative energy entropy

Manikandan R., Raja Singh R.

The purpose of this paper is to prevent the destruction of other parts of a wind energy conversion system because of faults, the diagnosis of insulated-gate bipolar transistor…

Research and optimization design of two-stage isolated inverter power supply based on series quasi-resonance

Dangshu Wang, Jiaan Yi, Luwen Song, Xuan Deng, Xinxia Wang, Zhen Dong

This paper aims to solve the problems of large hard switching loss and unclear resonant parameter design in the existing inverter power supply topology.

Neutral-point-clamped inverter based synchronous reluctance motor drive for solar pump application

Rajini V., Jassem M., Nagarajan V.S., Sreeya Galla N.V. Sai, Jeyapradha Rb

Industrial drives require appropriate control systems for reliable and efficient performance. With synchronous reluctance machines (SynRMs) slowly replacing the most commonly used…

Hardware implementation of a novel hybrid MPPT technique for fast tracking of GMPP in solar PV system under PSCs

Praveen Kumar Bonthagorla, Suresh Mikkili

To generate electricity, solar photovoltaic (PV) systems are among the best, most eco-friendly and most cost-effective solutions available. Extraction of maximum possible…

Investigation on reliability of classical industrial motor drives using GoldSim Monte Carlo reliability workbench

Raghavendra Rao N.S., Chitra A.

The purpose of this study is to propose an extended reliability method for an industrial motor drive by integrating the physics of failure (PoF).

Light-load performance optimization for LLC resonant converter

Xuliang Yao, Xiao Han, Yuefeng Liao, Jingfang Wang

This study aims to solve the problem that under light-load conditions, the output voltage regulation capability is lost due to the fact that the voltage gain of the LLC resonant…

Analysis of output characteristics of wireless power transfer system based on LCC/S-S hybrid compensation structure

Dangshu Wang, Xuan Deng, Zhimin Guan, Shulin Liu, Yaqiang Yang, Xinxia Wang

To simplify the circuit design and control complexity of the magnetic coupling resonant wireless charging system, the radio energy transmission constant current and constant…