PV Based Three Phase Two Leg Inverter for Electric Vehicle Applications

Mar 14, 2020 | Publisher: IJMTST | Category: Other |   | Views: 1 | Likes: 1

53 International Journal for Modern Trends in Science and Technology PV Based Three Phase Two Leg Inverter for Electric Vehicle Applications Challa Ramaiah 1 | Kandakatla Vishnu 1 | Dhavala Pranusha 1 1Assistant Professor, Department of EEE, Vignan Institute of Technology and Science, Hyderabad, Telangana, India. To Cite this Article Challa Ramaiah, Kandakatla Vishnu and Dhavala Pranusha, “PV Based Three Phase Two Leg Inverter for Electric Vehicle Applications”, International Journal for Modern Trends in Science and Technology, Vol. 06, Issue 02, February 2020, pp.-53-57. Article Info Received on 11-January-2020, Revised on 29-January-2020, Accepted on 13-February-2020, Published on 19-February-2020. The idea of incorporation of conveyed vitality assets for development of microgrid will be most critical in not so distant future. It demonstrates an expansive review on the overall research pattern on microgrid which is most huge point at present. This writing study uncovers that coordination of conveyed vitality assets, task, control, control quality issues and steadiness of microgrid framework ought to be investigated to actualize microgrid effectively in genuine power situation. What's more, “DC smaller scale matrices redirected the consideration of specialists and power hardware industry as of late to animate sustainable power source advances (RETs) and appropriated vitality assets (DERs) arrangement and urging mechanical development to decrease green house gas (GHG) discharge and accomplish vitality security and freedom to fulfill the developing power need. So for some, examines have been done on fruitful mix of RETs and DERs, activity and control, insurance and solidness issues, all the while and acceptably executed amid plausible task of microgrid. Studies demonstrate that DC transmittable power can expand the framework effectiveness up when contrasted with AC. Yet at the same time DC transport voltage change, control quality and stream amid the progress between lattice associated mode to islanded mode or transient burden inclusion which expect to DC microgrid precariousness are the issues which should be examined and settled for the powerful utilization of DC microgrid age. In this idea DC microgrid voltage, control stream,” control quality and vitality the board diverse controls and procedures are assessed. This idea can be reached out as Induction Motor drive Power the executives for DC Microgrid Application. KEYWORDS: Solar water pumping, PV System, BLDC Motor Copyright © 2014-2020 International Journal for Modern Trends in Science and Technology All rights reserved. I. INTRODUCTION With the expanding interest for ecologically friendlier, and higher efficiency vehicles, car organizations are concentrating on electricvehicles, half breed electric vehicles(HEVs), module cross breed electric vehicles (PHEVs), and energy component vehicles. These vehicles would likewise empower satisfying the needs for electrical power because of the expanding utilization of the electronic highlights to enhance vehicle execution, mileage, outflows, traveler solace, and security. In electric vehicles, HEVs, PHEVs, and energy unit vehicles, the difficulties are to accomplish high effectiveness, roughness, little sizes, and low expenses in power converters and electric machines, just as in related hardware [1]. “Specifically, in energy component vehicles, a power-molding unit, for example, a dc– dc converter for coordinating the power device voltage with the battery pack may likewise be vital. In cow ABSTRACT Available online at: http://www.ijmtst.com/vol6issue02.html International Journal for Modern Trends in Science and Technology ISSN: 2455-3778 :: Volume: 06, Issue No: 02, February 2020 54 International Journal for Modern Trends in Science and Technology Challa Ramaiah, Kandakatla Vishnu and Dhavala Pranusha, “PV Based Three Phase Two Leg Inverter for Electric Vehicle Applications” by-wire and brake-by-wire applications, a quick reaction engine, inverter, and control framework are basic and must most likely work in antagonistic natural conditions. Moreover, the incorporation of actuators with power gadgets enhances the general framework unwavering quality as well as lessens the cost, measure, and so forth. Notwithstanding power gadgets, the innovation of the electric engine assumes a noteworthy job in the vehicle's elements and the sort of intensity converter for controlling the vehicle working attributes”. Cross breed cars have at least two wellsprings of vitality or doubtlessly at least two wellsprings of depth domestically accessible the vehicle. The wellsprings of vitality can be a battery, a flywheel, and so forth. The wellsprings of “depth can be a motor, a power module, a battery, a ultracapacitor, and so on. Contingent upon the car arrangement, at least two of these electricity or vitality sources are utilized. Half and half of cars spare vitality and restrict contamination by way of becoming a member of an electric engine and an inner ignition motor (ICE) so that the most pleasing features of every can be used. Half and half cars are normally delegated arrangement combos and parallel pass breeds. In an association mixture vehicle, the motor drives the generator, which, thus, controls the electric powered engine. In a parallel crossover vehicle, the motor and the electric powered engine are coupled to power the vehicle. An association cross breed automobile can offer lower gas utilization in a metropolis using cycle by using making the ICE reliably work at the most expanded effectiveness point amid everyday stops/begins. A parallel go breed car can have lower fuel utilization in the thruway riding cycle, in which the ICE is at the most remarkable educated factor whilst the car is jogging at steady speed. Half and 1/2 vehicles are likewise partitioned into mellow” crossovers, control mixtures, and vitality mixtures, as indicated with the aid of the job performed via the motor and the electric engine and the mission that the framework is intended to accomplish. A module half of and half of car can be an arrangement or parallel mixture, with the battery being charged locally handy the car and being remotely charged via the utility matrix, in this manner increasing the range while working in electric powered mode. Fig 1: Block Diagram II. SWITCHED RELUCTANCE MOTOR The idea of exchanged hesitance engine was built up in 1838 however the engine couldn't understand its maximum capacity until the cutting edge period of intensity gadgets and PC supported electromagnetic structure. “SRM's are electrically commutated AC machines and are referred to as factor hesitance engine as concentrated by Lawrenson et al (1980). They are in excess of a fast stepper engine, coming up short on the typical costly lasting magnets. It consolidates a large number of the attractive characteristics of Induction-engine drives, DC commutator engine drive, just as Permanent Magnet (PM) brushless D.C frameworks. SRM is tough and straightforward in development and efficient when contrasted and the synchronous engine and the enlistment engine”. They are known to have high pinnacle torque-to-inactivity proportions and the rotor mechanical structure is appropriate for high-speed applications. 2.1Mathematical Model of The SRM Let us think about an elementary reluctance machine as proven in Figure 2. The computing device is single segment exited; that is, it consists of solely one winding on the stator. The excited winding is wound on the stator and the rotor is free to rotate Figure 2: 1-phase SRM 55 International Journal for Modern Trends in Science and Technology Challa Ramaiah, Kandakatla Vishnu and Dhavala Pranusha, “PV Based Three Phase Two Leg Inverter for Electric Vehicle Applications” The flux linkage is (1.1) where i is the impartial enter variable, i.e. the modern float via the stator. The accepted torque expression is given by (1.2) Where W‟ is the co-energy which is various with admire to function of the motor. At any function the co-energy is the place two beneath the two magnetization curve as shown in the Figure 1.3 and Figure 1.4. In different words, the definite integral (1.3) Where λ (θ, i) is the flux linkage with recognize to angular position θ and two modern „i‟. So the torque equation two will become (1.4) The mechanical work done (1.5) Where Wm is the mechanical power and W is the saved magnetic energy. At any rotor position θ, the co-energy and the stored magnetic strength are equal and is given by (1.6) Figure 3 Flux Linkage Chart The instantaneous torque reduces to (1.7) As, most SRM is multiphase, the torque equation will become a summation of torques produced by every phase. For m phases, the whole torque is given by Figure 4 Energy Exchange (1.8) Where Tej is the torque due to single phase. III. PROPOSED SYSTEM SRM drives are constantly choosing up notoriety in movement manage applications. This paper examines the execution of direct modern-day managed heartbeat width tweak “(DCC-PWM) based manipulate of four-switch three-stage (FSTP) inverter sustaining SRM. A MATLAB/Simulink display for the FSTP bolstered SRM engine is produced and tried with direct current managed PWM strategy. The triumph of the DCC-PWM in acquiring desired speed-torque qualities is authorised with assistance of pastime result” The central task of FSTP inverter bolstered SRM engine drive has been examined by recreation. The built up the nonlinear recreation model of the SRM engines drive framework is utilized for corresponding indispensable (PI) control. The reenacted outcomes as far as electromagnetic torque and rotor speed are given Figure 5 4-switch converter topology for 3-phase BLDC motor 56 International Journal for Modern Trends in Science and Technology Challa Ramaiah, Kandakatla Vishnu and Dhavala Pranusha, “PV Based Three Phase Two Leg Inverter for Electric Vehicle Applications” Figure 6 Inverter circuit SRM drive IV. DC CURRENT CONTROLLED PWM From the engine perspective, despite the fact that the BLDC engine is provided by the four-switch converter, perfect back-EMF of three-stage “BLDC engine and the ideal current profiles can be portrayed as appeared in Figure 5.2. From the nitty gritty examination of the four-switch arrangement and back-EMF and current profiles, it may want to be inferred that the cutting-edge PWM technique for B6 inverter can no longer operate with FSTP inverter. Under a fair condition, the three-stage flows dependably fulfill the accompanying condition”: Ia + Ib + Ic = 0 (5.6) Then, (6.6) can be modified as Ic = -( Ia + Ib ) (5.7) In the case of the ac induction motor drive, at any immediately there are usually three section currents flowing thru the load, such as Ia ≠ zero ; Ib ≠ zero ; Ic ≠ 0 ; (5.8) In any case, on account of the BLDC engine drive, (5.8) is not legit any longer. “Note that in Figure 6.2 stage An and B flows are just controllable and stage C is wild. The methods of recreation FSTP inverter is delineated in Figure 5.5. Table 5.2 suggests that because of the attributes of the BLDC engine, for example, two-stage, just two levels (four changes) have to have been controlled, now not three stages. In this way, in view of Table 6.2, one can construct up an exchanging association utilizing four switches”. Figure 7 Switching modes of 4 switch Inverter with direct, controlled PWM Table 5.2 Switching Sequence of 4 switch BLDC Drive As proven in Table 5.2, the two-phase currents need to be immediately managed the use of the hysteresis current manipulate technique through four switches (Lajoie-Mazen et al 1985). Hence, it is referred to as the direct contemporary controlled PWM scheme. two V. SIMULATION RESULTS 57 International Journal for Modern Trends in Science and Technology Challa Ramaiah, Kandakatla Vishnu and Dhavala Pranusha, “PV Based Three Phase Two Leg Inverter for Electric Vehicle Applications” Fig: 8 Stator Three Phase Currents. Fig 9 Back EMF waveforms of the three phases. VI. CONCLUSION In this paper, FSTPI nourished SRM drive is proposed, which utilizes just “four switches & two current sensors, contrasted and six switches & 3 current sensors, if there should be an occurrence of SSTPIr SRM drive. Less number of switches and current sensors implies, less exchanging misfortune and ease. In this paper a two leg inverter sustained SRM drive with split, DC source is proposed. This proposed, strategy is a straightforward, minimal effort and improved execution of jump is gotten i.e., decreased torque swell, less voltage stress. Low current THD and quick unique execution of SRM drive”. In the event that disappointment of one dc source, the drive will work, and stoppage of, work can be.kept away from in mechanical applications i.e dependability of drive increments. REFERENCES [1] A. Emadi, L. Young-Joo, K. Rajashekara, “Power electronics and motordrives in electric, hybrid electric, and plug-in hybrid electric vehicles,”IEEE Trans. Ind. Electron., vol. 55, no. 6, pp. 2237-2245, Jun. 2008. [2] B. l. K. Bose, “Global energy scenario and impact of power electronics in21st century,” IEEE Trans. Ind. Electron., vol. 60, no. 7, pp. 2638-2651,Jul. 2013. [3] J. de Santiago, H. Bernhoff, B. Ekergård, S. Eriksson, S. Ferhatovic, R.Waters, and M. Leijon,“Electrical motor drivelines in commercial allelectric vehicles: a review,” IEEE Trans. Veh. Technol., vol. 61, no. 2, pp.475-484, Feb. 2012. [4] Z. Amjadi, S. S. Williamson, “Power-electronics-based solutions for plugin hybrid electric vehicle energy storage and management systems,” IEEETrans. Ind. Electron., vol. 57, no. 2, pp. 608-616, Feb. 2010. [5] Kumar, M.K. Datta, D.V. T Vijay Muni., Performance enhancement of asynchronous machine with super Capacitor, International Journal of Engineering and Advanced Technology, 8(4), pp. 1208-1210. [6] Sudharshan Reddy, K., Sai Priyanka, A., Dusarlapudi, K., T Vijay Muni, “Fuzzy logic based iUPQC for grid voltage regulation at critical load bus”, International Journal of Innovative Technology and Exploring Engineering, 8(5), pp. 721-725 [7] Sowmya, S., Sai Sri Vasthava, V.K., T Vijay Muni, “Active filter control strategies for renewable power generation systems using ANN controller”, International Journal of Innovative Technology and Exploring Engineering 8(5), pp. 690-696.


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