Power Electronics and Power systems Seminar Topics

Seminar Topics For Power System Engineering,Power Electronics Seminar Paper Presentation

• High Speed Battery Charger For Electric Vehicles

• Traction Transformer With Resonant Converter And MFT

• Preventive Reactive Power Management Using Bender's Decomposition Algorithm

• Sensor and Sensorless Control Methods for Direct Drive PMSG Wind Turbines

• Temperature Estimation Techniques In Electric Motors and Reduce The Failures

• Improvement Of Fault Ride Throuhg Capability Of DFIG Based Wind Turbines

• DC Toleranace Electronic Current Sensor For Utility Power Metering

• Wind Power Conversion And Grid Interconnection

• Energy Management Control Strategy Of Dual Input CSI

• HVDC PLUS- Modular Multilevel Converter

• Three State Switching cell (3SSC) For PFC Applications

• Hybrid WIND-PV System With MPPT Control

• Next Generation Nuclear Power Plants

• Demand Side Management Of Smart Grid Using An Intelligent Metering System

• Bridgeless DCM SEPIC PFC Rectifiers With Low Conduction And Switching Losses

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Bridgeless DCM SEPIC PFC Rectifiers With Low Conduction And Switching Losses

The AC-DC converters need to improve power quality in terms of power factor correction for reduced total harmonic distortion at input ac mains and precisely regulated dc output.This paper deals with a Single phase AC-DC Bridgeless Discontinuous Conduction Mode (DCM) with Single Ended Primary Inductance Converter (SEPIC) for Power Factor Correction (PFC) recti er . The topology is improved by the absence of an input diode bridge and the presence of only two semiconductor switches in the current  growing path during each switching cycle which results in lesser conduction losses and improved thermal management compared to the conventional SEPIC converters. By implementing the improved topology in DCM it ensures almost unity power factor in a simple and e ective manner. The DCM operation gives additional advantages such as zero-current turn-on in the power switches, zero-current turn-o in the output diode and reduces the complexity of the control circuitry.Performance comparisons between the proposed and conventional Sepic PFC recti ers are performed.

>Power Factor Correction (PFC)

>Types of Power Factor Correction (PFC)

>Passive Power Factor Correction

>Active Power Factor Correction

>Sepic Converter

>SEPIC converter for PFC

Click Here To Download DCM PFC Rectifiers Seminar Report

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Demand Side Management Of Smart Grid Using An Intelligent Metering System

Intelligent Power Metering System Seminar Report

Conventional power system has been experiencing transition from centralized supply side management to decentralized supply & demand side management due to power system restructuring and addition of distributed generations (DGs) and Smart Grids (SGs) or Smart Distribution Systems (SDSs) with renewable power sources which resulted in difficulties in load management. Therefore demand side load management has turned out to be the biggest concern of modernized power systems. An Intelligent Metering/Trading/Billing System(ITMBS) when implemented in Demand Side Load Management (DSLM) of SGs and SDSs provides real time price information to customers through communication networks. Through this metering system customers adjust their demands through setting the operating time of some of the home appliances with energy storage feature such as heaters based on the real time prices to shift their consumptions and save cost. Customers are also allowed to participate in Direct Load Control (DLC) program to shift their air condition demands through changing on and o circle based on the real time prices and weather conditions to save energy and to shift system peak load.

>Smart Grid System 

>Demand Side Management

>Direct load management

>Indirect load management

>Methods used in Demand Side Management

>Grid metering and DSM network operation

>Smart Meters

>Energy transmission in smart grid

Click Here To Download Seminar On Demand Side Management

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A Single Phase DG Unit With Shunt APF Capability By Adaptive Neural Filtering

The energy demands are increasing day by day and the associated costs also increasing with demand. Newer energy alternatives such as distributed generation (DG) has become an attractive method for providing electricity to consumers. But,increased use of power electronics devices in distribution systems causes problems related to power quality such as harmonics. In this situation,a single-phase distributed generation (DG) system with active power ltering (APF) capability, helps a lot in utility current harmonic compensation. With the proposed approach, control of DG unit is performed by injecting current into the grid with same phase and frequency of the grid voltage and with an amplitude depending on the power available from renewable sources. On the other hand, load harmonic current compensation is performed by injecting alternating current into the system with an opposite phase. Both, detection of the grid voltage fundamental and computation of the load harmonic compensation current have been performed by two neural adaptive lters with the same structure - notch and band con gurations. The notch lter has been used to compute the compensation current by eliminating only the contribution of fundamental load current, whereas the band con guration is able to extract the fundamental of the coupling point voltage. Furthermore, current control of components at di erent frequencies,is done with the help of a multi resonant current controller.

Click Here To Download Adaptive Neural Filtering Seminar Report

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Hybrid WIND-PV System With MPPT Control

Hybrid Wind PV System Seminar Report

The renewable energy sources forms a signi cant portion of the total energy production.Wind power and photovoltaic power are two clean and promising energy sources which are abundant in nature. A hybrid generation system consisting of wind and photovoltaic power can provide continuous output from day to night because these two sources can complement each other. Such a system can become a solution to the power supply problems in remote and isolated areas where a connection to the main grid is economically infeasible.The proposed system is a stand-alone o -grid hybrid wind PV system designed for application to remote and isolated areas. The wind power branch consists of a doubly excited permanent magnet brushless (PMBL) machine whose ux control allows maximum wind power extraction. The PV branch is equipped with a SEPIC converter and its duty cycle control in maximum power point tracking (MPPT). The MPPT technique used here is the Perturbation and Observation algorithm.

Generator Topologies for Wind Energy Systems

>DFIG system

>EESG

>Doubly Excited PMBL machine

>MPPT Techniques for Wind Energy Systems

>Tip Speed Ratio Control

>Power Signal Feedback Control

>Perturbation and Observation Control

>MPPT Techniques for PV System

>Constant Voltage Method

>Short-Current Pulse Method

>Perturb and Observe Methods

>Incremental Conductance (IC)

THE HYBRID WIND-PV SYSTEM

>MPPT System Confi guration

>Wind power branch

>PV power branch

>The Wind Power Generation Branch

>The Doubly Excited PMBL Machine

>Flux control in PMBL Machine

>MPPT Using P&O Method

>The PV Power Generation Branch

>SEPIC Converter

>MPPT of PV branch

>Hybrid Wind Power control system

Click Here To Download MPPT Control System Seminar Report

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HVDC PLUS- Modular Multilevel Converter Seminar Report

HVDC Seminar Report

The seminar presents an actual view into the development of High Voltage Direct Current (HVDC) PLUS converter stations build in Modular Multilevel Converter (MMC) topology. This modern type of self-commutated converters has been developed under brand name HVDC PLUS by Siemens for use in electric power systems. VSC converters for HVDC applications have been based on two or three-level converter topologies consists of high number of semiconductor devices with blocking capability of a few kilovolts are connected in series up to several hundred per converter arm, depending on the DC voltage. To ensure uniform voltage distribution not only statically but also dynamically, all devices connected in series in one converter arm have to switch simultaneously. High and steep voltage steps are applied at the AC converter terminals which cause high component stresses and require extensive ltering measures. The MMC consists of a large number of simple voltage sourced converter (VSC) sub modules that can be easily assembled into a converter for high-voltage and high power. The MMC converter has a fast response and low harmonic content in comparison with a two-level VSC option. By using Modular Multilevel Converter (MMC) both the size of voltage steps and the related voltage gradients can be reduced or minimized.The more steps that are used, the smaller is the proportion of harmonics and the lower is the high-frequency noise. In the case of DC transmission, HVDC PLUS with VSCs is the preferred technology for interconnection of islanded grids, such as o shore wind farms, with the power system.

>Classical HVDC system

>HVDC Light(ABB)

>HVDC PLUS(Siemens)

>Schematic representation of HVDC PLUS

>Modular multilevel converter

>Simulation Of HVDC System

Click Here To Download PVDC Plus Converter Seminar report

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