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POWER FACTOR IMPROVEMENT IN
MODIFIED BRIDGELESS LANDSMAN
CONVERTER FED EV BATTERY CHARGER
CONTENTS
• Abstract
• Introduction
• Problem Statement
• Objective of Project
• Literature Review
• Proposed System
• System Requirements
• Advantages
• Conclusion
ABSTRACT
• This work deals with the design and implementation of a new charger for battery
operated electric vehicle (BEV) with power factor improvement at the front-end.
• In the proposed configuration, the conventional diode converter at the source end of
existing electric vehicle (EV) battery charger, is eliminated with modified Landsman
power factor correction (PFC) converter.
• The PFC converter is cascaded to a fly back isolated converter, which yields the EV
battery control to charge it, first in constant current mode then switching to constant
voltage mode.
• The proposed PFC converter is controlled using single sensed entity to achieve the
robust regulation of DC-link voltage as well as to ensure the unity power factor
operation.
ABSTRACT
• The proposed topology offers improved power quality, low device stress, low
input and output current ripple with low input current harmonics when compared
to the conventional one.
• Moreover, the proposed bl converter has reduced the input and output current
ripples due to inductors both in the input and output of the converter.
INTRODUCTION
• With the strict supervision of emissions, fuel savings, global warming issues, and
limited energy resources, the contribution of electric mobility is significant
towards the development of sustainable and efficient alternatives in the transport
sector.
• Regarding this, a survey based on the present scenario and future technologies
for the propulsion of electric vehicles (EV), is presented.
• This work deals with the design and implementation of a new charger for battery-
operated electric vehicles (BEV) with power factor improvement at the front-end.
PROBLEM STATEMENT
• To develop Power factor improvement in modified bridge less landsman
converter fed EV battery charger.
• To verify operation of the charger by the experimental results under steady-state
and sudden fluctuations in input voltage.
OBJECTIVE
• The main objective of this project is to build a new type of charger for EV which
covers up for the limitations of existing EV charger.
• This will help in smooth incorporation of EVs into the modern world and help us
move towards clean and green energy
LITERATURE REVIEW
• R. Kushwaha et al.,[2019] This work manages the plan and execution of another
charger for a battery-operated electric vehicle (EV) with power factor
improvement at the front end. In the proposed setup, the ordinary diode
converter at the source end of existing EV battery charger is eliminated with the
modified Landsman power factor correction (PFC) converter. The PFC converter is
cascaded to a flyback confined converter, which yields the EV battery control to
charge it, first in consistent current mode then switching to steady voltage mode.
The proposed PFC converter is controlled using single detected element to
achieve the vigorous guideline of dc-link voltage just as to guarantee the
solidarity power factor operation.[1]
LITERATURE REVIEW
• S. Deilami et al.,[2018] This work shows a viable answer for improve the
performance and power nature of the smart grid (SG) with a high infiltration of
plugged-in electric vehicles (PEVs). The arbitrary, versatile, and time-variation PEV
requests can overburden lines, transformers, and circulated ages while the
aggregate effects of their battery charger harmonics may increase the general
total harmonic distortion (THD) of SG. To beat these issues, this work incorporates
the ideal rescheduling of switched shunt capacitors (SSCs) and their day-ahead
schedules in an as of late created online greatest affectability determination
based PEV coordination algorithm with the inclusion of harmonics. [4]
LITERATURE REVIEW
• S. Q. Ali, et al.,[2017] The investigation proposes a non-detached three-phase
integrated battery charger (IBC) in light of electric vehicle drivetrains that have
two permanent magnet synchronous motors with shafts coupled through a
torque coupler. The windings of both machines are utilized as input channel
inductances after reconfiguration and associated with a three-phase grid in
charging mode. Their existing footing inverters are operated as a three-phase
charger that controls the charging power from the grid. The total torque
delivered on the shaft during operation is broke down and a methodology to
eliminate it is proposed. Recreation and experimental outcomes approve that the
topology can be utilized as both a battery charger and as a dispersed asset, while
the resultant torque on the shaft remains eliminated by the proposed strategy.[7]
LITERATURE REVIEW
• M. Ibrahim et al.,[2016] This work centers around the interoperability examination
of a resonating contactless charging system for electric vehicles (EVs). The plan
utilizes diverse inductive circles acknowledged by industrial accomplices. It
highlights a progressed electromagnetic modeling (EM) concerning the
geometrical characteristics, the resounding topologies, and the control circle. It is
shown that the EV chassis assumes a significant job in the figuring of the
electrical parameters and the radiation of the interoperable system. Furthermore,
the situation of the interoperable attractive couplers regarding the EV (center or
backend) has a significant impact on the estimations of the coupling factor and
furthermore for the radiation of the system.[11]
PROPOSED SYSTEM
Figure 1: Proposed Model
PROPOSED SYSTEM
• The proposed modified Landsman converter fed battery charger consists of two
stages, a modified BL converter for improved input wave-shaping and an isolated
converter for the charging of EV battery during constant current (CC) constant
voltage (CV) conditions.
• The operation of the modified converter is selected in DCM or CCM mode based
on the application requirement of low cost or low device stress, respectively.
• BL converter fed EV battery charger with regulated DC link voltage at an
intermediate stage.
• The input side of the proposed charger is fed by a single phase AC source.
PROPOSED SYSTEM
• The input DBR is eliminated by two Landsman converters, which operates in
parallel during the positive half line and negative half line, separately.
• Therefore, the conduction losses are reduced to half due to reduced number of
components conducting in one switching cycle. For improved performance based
switching, two converters, in synchronization
HARDWARE REQUIREMENTS
• System: Pentium IV 2.4 GHz.
• Hard Disk: 40 GB.
• Floppy Drive: 1.44 Mb.
• Monitor: 15 VGA Colour.
• Mouse: Logitech.
• RAM: 512 Mb.
SOFTWARE REQUIREMENTS
• Operating system: Windows XP/7.
• Coding Language: MATLAB
• Tool: MATLAB R 2020b
ADVANTAGES
• Reduces the input and output current ripples.
• Provides better charge an EV battery with inherent PF Correction.
• Reduces number of sensors at the output.
• Gives significant better performance than previous model.
CONCLUSION
• An improved EV charger with modified BL Landsman converter followed by a flyback converter
will be proposed. Simulation is done using MATLAB simulink software. Simulated results are
analyzed and validated.
• This work will achieve better charge an EV battery with inherent PF Correction. The design and
control of the proposed EV charger in DCM mode have offered the advantage of reduced
number of sensors at the output.
• Moreover, the proposed BL converter will reduce the input and output current ripples due to
inductors both in input and output of the converter. Therefore proposed model gives
significant better performance than previous model.
REFERENCES
1. R. Kushwaha and B. Singh, "Power Factor Improvement in Modified Bridgeless Landsman
Converter Fed EV Battery Charger," in IEEE Transactions on Vehicular Technology, vol. 68,
no. 4, pp. 3325-3336, April 2019
2. S. Deilami, "Online Coordination of Plugged-In Electric Vehicles and Optimal
Rescheduling of Switched Shunt Capacitors in Smart Grid Considering Battery Charger
Harmonics," in IEEE Power and Energy Technology Systems Journal, vol. 5, no. 4, pp. 148-
156, Dec. 2018.
3. S. Q. Ali, D. Mascarella, G. Joos and L. Tan, "Torque elimination for integrated battery
charger based on two permanent magnet synchronous motor drives for electric
vehicles," in IET Electric Power Applications, vol. 11, no. 9, pp. 1627-1635, 11 2017.
REFERENCES
4. M. Ibrahim et al., "Inductive Charger for Electric Vehicle: Advanced Modeling and
Interoperability Analysis," in IEEE Transactions on Power Electronics, vol. 31, no. 12, pp.
8096-8114, Dec. 2016.
5. G. Buja, R. K. Jha, M. Bertoluzzo and M. K. Naik, "Analysis and comparison of two wireless
battery charger arrangements for electric vehicles," in Chinese Journal of Electrical
Engineering, vol. 1, no. 1, pp. 50-57, Dec. 2015.

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PFC ppt.pptx

  • 1. POWER FACTOR IMPROVEMENT IN MODIFIED BRIDGELESS LANDSMAN CONVERTER FED EV BATTERY CHARGER
  • 2. CONTENTS • Abstract • Introduction • Problem Statement • Objective of Project • Literature Review • Proposed System • System Requirements • Advantages • Conclusion
  • 3. ABSTRACT • This work deals with the design and implementation of a new charger for battery operated electric vehicle (BEV) with power factor improvement at the front-end. • In the proposed configuration, the conventional diode converter at the source end of existing electric vehicle (EV) battery charger, is eliminated with modified Landsman power factor correction (PFC) converter. • The PFC converter is cascaded to a fly back isolated converter, which yields the EV battery control to charge it, first in constant current mode then switching to constant voltage mode. • The proposed PFC converter is controlled using single sensed entity to achieve the robust regulation of DC-link voltage as well as to ensure the unity power factor operation.
  • 4. ABSTRACT • The proposed topology offers improved power quality, low device stress, low input and output current ripple with low input current harmonics when compared to the conventional one. • Moreover, the proposed bl converter has reduced the input and output current ripples due to inductors both in the input and output of the converter.
  • 5. INTRODUCTION • With the strict supervision of emissions, fuel savings, global warming issues, and limited energy resources, the contribution of electric mobility is significant towards the development of sustainable and efficient alternatives in the transport sector. • Regarding this, a survey based on the present scenario and future technologies for the propulsion of electric vehicles (EV), is presented. • This work deals with the design and implementation of a new charger for battery- operated electric vehicles (BEV) with power factor improvement at the front-end.
  • 6. PROBLEM STATEMENT • To develop Power factor improvement in modified bridge less landsman converter fed EV battery charger. • To verify operation of the charger by the experimental results under steady-state and sudden fluctuations in input voltage.
  • 7. OBJECTIVE • The main objective of this project is to build a new type of charger for EV which covers up for the limitations of existing EV charger. • This will help in smooth incorporation of EVs into the modern world and help us move towards clean and green energy
  • 8. LITERATURE REVIEW • R. Kushwaha et al.,[2019] This work manages the plan and execution of another charger for a battery-operated electric vehicle (EV) with power factor improvement at the front end. In the proposed setup, the ordinary diode converter at the source end of existing EV battery charger is eliminated with the modified Landsman power factor correction (PFC) converter. The PFC converter is cascaded to a flyback confined converter, which yields the EV battery control to charge it, first in consistent current mode then switching to steady voltage mode. The proposed PFC converter is controlled using single detected element to achieve the vigorous guideline of dc-link voltage just as to guarantee the solidarity power factor operation.[1]
  • 9. LITERATURE REVIEW • S. Deilami et al.,[2018] This work shows a viable answer for improve the performance and power nature of the smart grid (SG) with a high infiltration of plugged-in electric vehicles (PEVs). The arbitrary, versatile, and time-variation PEV requests can overburden lines, transformers, and circulated ages while the aggregate effects of their battery charger harmonics may increase the general total harmonic distortion (THD) of SG. To beat these issues, this work incorporates the ideal rescheduling of switched shunt capacitors (SSCs) and their day-ahead schedules in an as of late created online greatest affectability determination based PEV coordination algorithm with the inclusion of harmonics. [4]
  • 10. LITERATURE REVIEW • S. Q. Ali, et al.,[2017] The investigation proposes a non-detached three-phase integrated battery charger (IBC) in light of electric vehicle drivetrains that have two permanent magnet synchronous motors with shafts coupled through a torque coupler. The windings of both machines are utilized as input channel inductances after reconfiguration and associated with a three-phase grid in charging mode. Their existing footing inverters are operated as a three-phase charger that controls the charging power from the grid. The total torque delivered on the shaft during operation is broke down and a methodology to eliminate it is proposed. Recreation and experimental outcomes approve that the topology can be utilized as both a battery charger and as a dispersed asset, while the resultant torque on the shaft remains eliminated by the proposed strategy.[7]
  • 11. LITERATURE REVIEW • M. Ibrahim et al.,[2016] This work centers around the interoperability examination of a resonating contactless charging system for electric vehicles (EVs). The plan utilizes diverse inductive circles acknowledged by industrial accomplices. It highlights a progressed electromagnetic modeling (EM) concerning the geometrical characteristics, the resounding topologies, and the control circle. It is shown that the EV chassis assumes a significant job in the figuring of the electrical parameters and the radiation of the interoperable system. Furthermore, the situation of the interoperable attractive couplers regarding the EV (center or backend) has a significant impact on the estimations of the coupling factor and furthermore for the radiation of the system.[11]
  • 12. PROPOSED SYSTEM Figure 1: Proposed Model
  • 13. PROPOSED SYSTEM • The proposed modified Landsman converter fed battery charger consists of two stages, a modified BL converter for improved input wave-shaping and an isolated converter for the charging of EV battery during constant current (CC) constant voltage (CV) conditions. • The operation of the modified converter is selected in DCM or CCM mode based on the application requirement of low cost or low device stress, respectively. • BL converter fed EV battery charger with regulated DC link voltage at an intermediate stage. • The input side of the proposed charger is fed by a single phase AC source.
  • 14. PROPOSED SYSTEM • The input DBR is eliminated by two Landsman converters, which operates in parallel during the positive half line and negative half line, separately. • Therefore, the conduction losses are reduced to half due to reduced number of components conducting in one switching cycle. For improved performance based switching, two converters, in synchronization
  • 15. HARDWARE REQUIREMENTS • System: Pentium IV 2.4 GHz. • Hard Disk: 40 GB. • Floppy Drive: 1.44 Mb. • Monitor: 15 VGA Colour. • Mouse: Logitech. • RAM: 512 Mb.
  • 16. SOFTWARE REQUIREMENTS • Operating system: Windows XP/7. • Coding Language: MATLAB • Tool: MATLAB R 2020b
  • 17. ADVANTAGES • Reduces the input and output current ripples. • Provides better charge an EV battery with inherent PF Correction. • Reduces number of sensors at the output. • Gives significant better performance than previous model.
  • 18. CONCLUSION • An improved EV charger with modified BL Landsman converter followed by a flyback converter will be proposed. Simulation is done using MATLAB simulink software. Simulated results are analyzed and validated. • This work will achieve better charge an EV battery with inherent PF Correction. The design and control of the proposed EV charger in DCM mode have offered the advantage of reduced number of sensors at the output. • Moreover, the proposed BL converter will reduce the input and output current ripples due to inductors both in input and output of the converter. Therefore proposed model gives significant better performance than previous model.
  • 19. REFERENCES 1. R. Kushwaha and B. Singh, "Power Factor Improvement in Modified Bridgeless Landsman Converter Fed EV Battery Charger," in IEEE Transactions on Vehicular Technology, vol. 68, no. 4, pp. 3325-3336, April 2019 2. S. Deilami, "Online Coordination of Plugged-In Electric Vehicles and Optimal Rescheduling of Switched Shunt Capacitors in Smart Grid Considering Battery Charger Harmonics," in IEEE Power and Energy Technology Systems Journal, vol. 5, no. 4, pp. 148- 156, Dec. 2018. 3. S. Q. Ali, D. Mascarella, G. Joos and L. Tan, "Torque elimination for integrated battery charger based on two permanent magnet synchronous motor drives for electric vehicles," in IET Electric Power Applications, vol. 11, no. 9, pp. 1627-1635, 11 2017.
  • 20. REFERENCES 4. M. Ibrahim et al., "Inductive Charger for Electric Vehicle: Advanced Modeling and Interoperability Analysis," in IEEE Transactions on Power Electronics, vol. 31, no. 12, pp. 8096-8114, Dec. 2016. 5. G. Buja, R. K. Jha, M. Bertoluzzo and M. K. Naik, "Analysis and comparison of two wireless battery charger arrangements for electric vehicles," in Chinese Journal of Electrical Engineering, vol. 1, no. 1, pp. 50-57, Dec. 2015.