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...
NOVEL LED DRIVE SYSTEM BASED ON MATRIX RECTIFIER
ABSTRACT This paper presents a novel LED drive system based on matrix rectifier. Matrix rectifier is applied to the LED drive system for the first time as to our knowledge. The novel LED drive system is composed of two stages. The first stage is the matrix rectifier,...
IMPROVEMENT OF HARMONIC CURRENT COMPENSATION FOR GRID INTEGRATED PV AND WIND HYBRID RENEWABLE ENERGY SYSTEM
ABSTRACT Ideally, electric utilities are required to supply sinusoidal voltage at constant rated frequency while end users need to receive a sinusoidal current with good power factor. Electrical power distribution systems are already experiencing distortion of the...
HYSTERESIS BAND CURRENT CONTROLLER FOR VOLTAGE REGULATION AND HARMONIC MITIGATION USING DSTATCOM
ABSTRACT This paper presents, Distribution Static Compensator (DST A TCOM) used for voltage regulation and harmonic mitigation in the three phase distribution system. Six pulse voltage source converter (VSC) is used as DSTATCOM with DC bus capacitor. Instantaneous...
A PERFORMANCE INVESTIGATION OF A FOUR-SWITCH THREE-PHASE INVERTER-FED IM DRIVES AT LOW SPEEDS USING FUZZY LOGIC AND PI CONTROLLERS
ABSTRACT This paper presents a speed controller using a fuzzy-logic controller (FLC) for indirect field oriented control (IFOC) of induction motor (IM) drives fed by a four-switch three-phase (FSTP) inverter. In the proposed approach, the IM drive system is fed by...
THREE PHASE INDUCTION MOTOR SPEED CONTROL USING PWM TECHNIQUE
ABSTRACT: There are various methods to control the induction motor. The stator frequency control is one of the simple methods to control the motor. The microcontroller based three phase induction motor speed control system can be used in many industries like cement,...
HIGH-EFFICIENCY PWM DC-AC INVERTER FOR SMALL PV POWER GENERATION SYSTEM
ABSTRACT This paper proposed an improved topology for a high efficiency PWM DC-AC grid-connected PV inverter that utilizes a zero-voltage-transition (ZVT) auxiliary network to provide soft-switching condition. In this paper, a soft-switching method using ZVT technique...
8051 MICROCONTRLLER BASED DIGITAL VOLTMETER
ABSTRACT: This 8051 microcontroller based digital voltmeter is used to measure up to 5 volts. This project is designed using AT89S51 microcontroller and ADC0804 is nothing but ADC (Analog to Digital Conversion). The output is displayed by using two seven segment...