IMPROVED THREE-PHASE MICRO-INVERTER USING DYNAMIC DEAD TIME OPTIMIZATION AND PHASE-SKIPPING CONTROL TECHNIQUES
ABSTRACT This paper introduces two efficiency improvement techniques for a grid-tied micro-inverter with current mode control zero voltage switching (ZVS) output stages. The first technique is dynamic dead time optimization wherein PWM dead times are dynamically...
FUZZY LOGIC CONTROL OF BUCK CONVERTER FOR PHOTO VOLTAIC EMULATOR
ABSTRACT This paper analyses the digital simulation of a buck converter to emulate the photovoltaic (PV) system with focus on fuzzy logic control of buck converter. A PV emulator is a DC-DC converter (buck converter in the present case) having same electrical...
Z-Source Resonant Converter with Power Factor Correction for Wireless Power Transfer Applications
ABSTRACT In this paper the Z-source converter is introduced to power factor correction (PFC) applications. The concept is demonstrated through a wireless power transfer (WPT) system for electric vehicle battery charging, namely Z-source resonant converter (ZSRC). Due...
AUTOMATIC POWER FACTOR CORRECTION UNIT
ABSTRACT Power factor losses represent a significant factor of power losses in both industrial and domestic units. Various methods have been devised earlier to tackle this problem. This paper aims to present an indigenous technique and method which could be used for...
SMART OFFICE AUTOMATION SYSTEM USING IOT: AN EFFICIENT DATABASE MANAGEMENT SYSTEM.
ABSTRACT: The current trends and advancements in IoT have resulted in interactive, innovative and automated implementations of smart systems. The paper proposes a smart office automation system that creates an employee friendly atmosphere with the help of IoT,...
SECURITY ANALYSIS FOR DISTRIBUTED IOT-BASED INDUSTRIAL AUTOMATION
ABSTRACT: Internet of Things (IoT) technologies enable development of reconfigurable manufacturing systems--a new generation of modularized industrial equipment suitable for highly customized manufacturing. Sequential control in these systems is largely based on...
A BIDIRECTIONAL SINGLE-STAGE THREE PHASE RECTIFIER WITH HIGH-FREQUENCY ISOLATION AND POWER FACTOR CORRECTION
ABSTRACT This paper proposes a single-stage three-phase rectifier with high-frequency isolation, power factor correction, and bidirectional power flow. The presented topology is adequate for dc grids (or smart-grids), telecommunications (telecom) power supplies, and...
DESIGN OF INTELLIGENT FEEDING CAR FOR COW FEEDING AUTOMATION
ABSTRACT: In order to solve the problems of complex operation and low degree of automation existing in the feeding of dairy cows, an automatic intelligent feeding car was developed, which can automatically realize weighing and batching, crushing and mixing. Feeding at...
UNITY POWER FACTOR OPERATION OF INDIRECT MATRIX CONVERTER TIED TO UNBALANCED GRID
ABSTRACT This paper presents a new control method for indirect matrix converter operating under unbalanced grid voltages. The proposed method aims to achieve balanced output voltages as well as a near unity input power factor operation. First, an opportune reference...
CONTROL AND IMPLEMENTATION OF A STANDALONE SOLAR PHOTO-VOLTAIC HYBRID SYSTEM
ABSTRACT A control algorithm for a standalone solar photovoltaic (PV)-diesel-battery hybrid system is implemented in this paper. The proposed system deals with the intermittent nature of the energy generated by the PV array and it also provides power quality...
REAL-TIME INTELLIGENT MONITORING SYSTEM BASED ON IOT
ABSTRACT: Recently, security systems are one of the most important research problems. Among these systems is the gas and flame leak detection system. Here we propose a system to monitor the presence of fire and the gas concentration in real time in the atmosphere....
A NEW COMPACT AND HIGH EFFICIENCY RESONANT CONVERTER
ABSTRACT This paper explores a new resonant converter which features compact size, high efficiency, and compatibility with self-driven synchronous rectifiers. The proposed resonant converter and the LLC series resonant converter (LLC-SRC) are in the same three-element...