A Switched-Capacitor Inverter Using Series/Parallel Conversion with Inductive Load

ABSTRACT

A new switched-capacitor inverter is prepared. The prepared inverter outputs larger voltage than the input voltage by change the capacitors in series and in parallel. The highest output voltage is driven by the number of the capacitors. The prepared inverter, which does not need any inductors, can be smaller than a normal two-stage unit which happen of a boost converter and an inverter bridge.

FULL BRIDGE  INVERTER

Switched-Capacitor Inverter Its output frequency are decreased compared to a normal voltage source single phase full bridge inverter. In this paper, the circuit configuration, the logical operation, the simulation results with MATLAB/ SIMULINK, and the experimental results are shown. The experimental results give with the logical calculation and the simulation results.

KEYWORDS

  1. Charge pump
  2. Multicarrier PWM
  3. Multilevel Inverter
  4. Switched capacitor (SC)

SOFTWARE: MATLAB/SIMULINK

BLOCK DIAGRAM:

image002
Fig. 1. Circuit topology of the switched-capacitor inverter using series/ parallel conversion.

 

EXPECTED SIMULATION RESULTS

image004

Fig. 2. Simulated voltage waveforms of the proposed inverter (n = 2) designed for high power at 4.50 [kW], switching frequency f = 40 [kHz] and reference waveform frequency fref = 1 [kHz]. (a) Bus voltage waveform vbus and (b) the output voltage waveform vout.

image006

Fig. 3. Simulated current waveforms of the capacitor iC1 in the proposed inverter (n = 2).(a) Designed for low power at 5.76 [W] and (b) designed for high power at 4.50 [kW].

image008

Fig. 4. Simulated spectra of the bus voltage waveform of the proposed inverters (n = 2) normalized with the fundamental component. (a) Designed for low power at 5.76 [W] and (b) designed for high power at 4.50 [kW].

image010

Fig. 5. Simulated bus voltage waveforms vbus and the voltage waveforms of the load resistance vR of the proposed inverter (n = 2) designed for low power at 5.76 [W] with an inductive load.

CONCLUSION

In this paper, a novel boost change-capacitor inverter was prepared. The circuit topology was produce. The modulation method, the decision method of the capacitance, and the loss calculation of the proposed inverter were shown. The circuit operation of the proposed inverter was proved by the simulation results and the experimental results with a resistant load and an inductive load.

CAPACITORS

Switched-Capacitor Inverter The prepared inverter outputs a larger voltage than the input voltage by change the capacitors in series and in parallel. The inverter can operate with an inductive load. The structure of the inverter is simpler than the normal change-capacitor inverters. THD of the output waveform of the inverter is reduce compared to the normal single phase full bridge inverter as the normal multilevel inverter.

REFERENCES

[1] H. Liu, L. M. Tolbert, S. Khomfoi, B. Ozpineci, and Z. Du, “Hybrid cascaded multilevel inverter with PWM control method,” in Proc. IEEE Power Electron. Spec. Conf., Jun. 2008, pp. 162–166.

[2] A. Emadi, S. S. Williamson, and A. Khaligh, “Power electronics intensive solutions for advanced electric, hybrid electric, and fuel cell vehicular power systems,” IEEE Trans. Power Electron., vol. 21, no. 3, pp. 567–577, May 2006.

[3] L. G. Franquelo, J. Rodriguez, J. I. Leon, S. Kouro, R. Portillo, and M. A. M. Prats, “The age of multilevel converters arrives,” IEEE Ind. Electron. Mag., vol. 2, no. 2, pp. 28–39, Jun. 2008.

[4] Y. Hinago and H. Koizumi, “A single phase multilevel inverter using switched series/parallel DC voltage sources,” IEEE Trans. Ind. Electron., vol. 57, no. 8, pp. 2643–2650, Aug. 2010.

[5] S. Chandrasekaran and L. U. Gokdere, “Integrated magnetics for interleaved DC–DC boost converter for fuel cell powered vehicles,” in Proc. IEEE Power Electron. Spec. Conf., Jun. 2004, pp. 356–361.

post

IEEE Electrical projects training and development

Electrical engineering is a field of engineering that generally manage with the study and application of electricity, electronics, and electro magnetism. This retrive first became an identifiable profession in the later half of the 19th century after commercialization of the electric telegraph, the telephone, and electric power trading and use. Subsequently, broad casting and recording media made electronics part of daily life. The creation of the transistor, and later the integrated circuit, brought down the cost of electronics to the point they can be used in almost any household object.

Electrical engineering has now subdivided into a wide range of sub fields including electronics, digital computers, power engineering, tele communications, control systems, radio-frequency engineering, signal processing, instrumentation, and microelectronics. Many of these sub disciplines overlap and also overlap with other engineering branches, connect a large number of line  such as hardware engineering, power electronics, electro magnetics & waves, microwave engineering, nanotechnology, electro chemistry, renewable energies, mechatronics, electrical materials science, and many more.

Electrical engineers typically hold a degree in electrical engineering or electronic engineering. prepare engineers may have professional certification and be members of a professional body. Such bodies include the Institute of Electrical and Electronics Engineers (IEEE) and the Institution of Engineering and Technology (professional society) (IET).

Electrical engineers work in a very wide range of industries and the skills required are likewise variable. These range from basic circuit theory to the management skills necessary of a project manager. The tools and tool that an individual engineer may need are similarly variable, ranging from a simple voltmeter to a top end res to useful design and production software.

Asoka Technologies

post

Solar Energy Projects

Solar energy is bright light and heat from the Sun. It is control using a range of ever-develop science. Such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.

Solar Energy Projects It is an important source of renewable energy and its science are largely tell as either passive solar or active solar. Depending on how they catch and spread solar energy or convert it into solar power. Active solar method include the use of photovoltaic systems, decreased solar power and solar water heating to harness the energy. Passive solar method include adjust a building to the Sun. Selecting materials with approving thermal mass or light-dissolve estate, and designing spaces that naturally circulate air.

The large magnitude of solar energy available makes it a highly pleasant source of electricity. The United Nations Development Programme in its 2000 World Energy evalution found that the annual potential of solar energy was 1,575–49,837 exajoules (EJ). This is several times larger than the total world energy use, which was 559.8 EJ in 2012.

In 2011, the International Energy Agency said that “the development of affordable, unlimited and clean solar energy science will have huge longer-term benefits. It will increase countries’ energy security through reliance on an domestic, unlimited and mostly import-independent resource, enhance sustainability, reduce pollution, lower the costs of mitigating global warming, and keep fossil fuel prices lower than otherwise. These advantages are global. Hence the additional costs of the reason for early arrangement should be considered learning investments; they must be wisely lost and need to be widely shared”.

Solar energy electrical Projects are available at

Asoka Technologies

For more projects visit our website www.asokatechnologies.in and blogspot www.asokatechnologies.blogspot.com

post

IEEE Electrical Engineering Projects

Asoka Technologies has a large number of IEEE Electrical Engineering projects for final year BTech and MTech.

Electrical designing for the most part manages the investigation and utilization of power, hardware, and electromagnetism. This field originally turned into a recognizable occupation in the later 50% of the nineteenth century.

Electrical architects regularly hold a degree in electrical designing or electronic building. Rehearsing designers may have proficient confirmation and be individuals from an expert body. Such bodies incorporate the Institute of Electrical and Electronics Engineers (IEEE) and the Institution of Engineering and Technology (proficient society) (IET). Doing ventures in Electrical designing office is an essential errand for understudies. BTech and MTech EEE ventures  can be done in various areas. They are power gadgets and drives,  power frameworks, electrical machines and drives and so forth. Every one of these spaces use many technologies and zones.

We comprehend the significance of IEEE papers for BTech and M.Tech EEE ventures. Thus we hand pick IEEE projects for BTech and M.Tech EEE. We guarantee that the IEEE papers and ventures have enough extension for a two semister venture work or for a last year venture work. If necessary an enhancement over the mimicked outcomes by more up to date and better systems for MTech EEE should likewise be possible. The Matlab/Simulink programming is utilized for doing EEE ventures. We do give direction for paper composing and recommend diaries.

Research paper writing

BTech and MTech EEE activities of different spaces are accessible at Asoka Technologies. We additionally build up your own thoughts. We convey the tasks inside the time span given by the understudies.

Visit our blog for more

IEEE Electrical

papers.

post

Wind Energy Projects

Wind energy

is a type of sun oriented energy and Wind energy describe the process by which wind is used to create power. Wind turbines convert the active energy in the breeze into mechanical power. A generator can change over mechanical power into power.

Wind Energy Projects is caused by the uneven warming of the climate by the sun but varieties in the world’s surface, and turn of the earth. Mountains and waterways, and vegetation all impact wind stream patterns[2], [3]. Wind turbines convert the energy in wind to power by turning propeller-like sharp edges around a rotor. The rotor turns the drive shaft, which turns an electric generator. Three key components influence the measure of energy a turbine can saddle from the breeze: wind speed, air thickness, and cleared region.

Condition for Wind Power Wind speed

The measure of energy in the breeze changes with the 3D square of the breeze speed. In different words, if the breeze speed duplicates, there is multiple times more energy in the breeze (). Little changes in wind speed largy affect the measure of intensity accessible in the breeze [5].

Thickness of the air

The more thick the air, the more energy gotten by the turbine. Air thickness differs with rise and temperature. Air is less thick at higher heights than adrift dimension, and warm air is less thick than virus air. All else being equivalent, turbines will create more power at lower rises and in areas with cooler normal temperatures[5].

Cleared territory of the turbine

The bigger the cleared territory (the span of the zone through which the rotor turns), the more power the turbine can catch from the breeze. Since cleared region is , where r = sweep of the rotor, a little increment in cutting edge length results in a bigger increment in the power accessible to the turbine