Abstract:In the last decade, the open source community has expanded to make it possible for people to build complex products at home. [1] In this thesis a two-wheeled self-balancing robot has been designed. These types of robots can be based on the physical problem of an inverted pendulum [2]. In this paper, we can see the design, construction and control of a two-wheel self-balancing robot. This system consists of a pair of DC motor and an Arduino UNO R3 microcontroller board, make a robot which can balance itself on two wheels the platform will not remain stable itself. Our job will be to balance the platform using distance sensors and to maintain it horizontally. At first, we have decided to just balance the robot on its two wheels

Keywords:Robot, Arduino, AT mega 328, Control Systems, PID controller, Linear Quadratic Regulator

Abstract:Flexible AC Transmission System (FACTS) controllers, such as the Static Var Compensator (SVC), employ the latest technology of power electronic switching devices in electric power transmission systems to control voltage and power flow, and improve voltage regulation. Given a profit-driven, deregulated electric power industry coupled with increased load growth, the power transmission infrastructure is being stressed to its upper operating limits to achieve maximum economic returns to both generator and transmission system owners. In such an environment, system stability problems such as inadequate voltage control and regulation must be resolved in the most cost-effective manner toimprove overall grid security and reliability.

Keywords:FACTS, SVC, Var, voltage control

Abstract:This research paper relates to the functioning of an electric car with self charging from alternator to the battery. The alternator produces the electricity while the wheel is moving, allowing the alternator to move with the wheel friction. In this paper, we take all the components of alternators that include a DC-DC converter, motor, battery and controller. Alternator gets the drive from friction. Here the alternator has the ability to generate the 14V DC, which is directly connected to the DC-DC converter throughout the battery. The dc-dc converter has the ability to step up to the 50V and that is enough to charge four batteries which are connected into the series connection that produces the 48V supply. Controller gets connected to the battery, motor and another connection.

Keywords:Battery, Alternator, Controller and DC-DC Convertor, Motor.

Abstract:The two phase interleaved buck converter (IBC) for low input voltage (battery or photovoltaic) applications. The interleaved multi-channel converter is very popular these days because of its ability to reduce current ripples. In high power applications, parallel operation of buck converter is recommended. The steady state performance of the interleaved buck converter is investigated by MATLAB/simulation. The IBC is designed for low input voltage application. The modeling and analysis is carried out considering the parasitic elements of all the elements and devices. The IBC is modeled and analyzed using state-space averaging technique and analysis is carried using small signal analysis. The analog PID controller is designed based on the design parameters of the converter and simulated in open loop and closed loop.

Keywords:Interleaved Buck converter, small signal analysis, state space technique, continuous conduction mode

Abstract:The Electronic based FACTS controllers are static equipment. Its principle purpose is to control AC transmission. The parameters of FACTS are enhancement of controllability, ability of power transfer, control of line impedance, load angle and the magnitude of bus voltage. A unified power controller is to be a static device and this system device should have quick reactive transmission. This paper focuses on the issues like voltage sag and swell of power quality. DPFC is used to moderate the voltage variation and improve power quality and also used to couple the phase controllable bridges to produce current which is injected into a transmission line by using series of transformers. The UPFC is a combination of a static synchronous compensator (STATCOM) and a static synchronous series compensator (SSSC) which is coupled with common DC link. The DPFC eliminates the common dc link between the shunt and series converters and also it performs in transmission line to exchange real power between converters at the 3rd harmonic frequency. The DPFC employs several 1-phase converters like D-FACTS concepts as the series compensator. These concepts reduce the rating of the components and offer a high reliability. Since the DPFC can immediately control the active and reactive power flow and the voltage magnitude, it implies a great potential for power oscillation damping. The case study contains a DPFC located in an exceedingly single-machine infinite bus power grid with 2 parallel transmission lines that simulated in MATLAB/Simulink. The bestowed simulation results of a DPFC device wont to improve the facility quality.

Keywords:Power Quality, voltage Sag and voltage Swell, Unified Power Flow Controller, Distributed Power Flow Controller