THE NEW AND LATEST SEMINAR TOPIC . LATEST TECHNOLOGY IS HERE .

1. Dr. B. R. AMBEDKAR NATIONAL INSTITUTE OF TECHNOLOGY
JALANDHAR , PUNJAB-144011
A
SEMINAR ON
EWICON (Electrostatic Wind energy Converter)
FIRST PRESENTATION
LAKHVEER SINGH
14126009
ELECTRICAL ENGG.
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2. CONTENTS
• What is EWICON
• Basic principle
• Energy Harvesting
• Structure
• Experimental setup
• Pros
• Cons
• Conclusion
• References
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3. WHAT IS EWICON
• Dutch researchers have created a bladeless
wind turbine produces electricity using charged
water droplets.
• Electrostatic Wind energy Converter is based on
the principle that the wind transports
electrically charged particles or charge carriers
in an electric field.
• Converts electrical energy directly from wind
energy.
Fig1 EWICON
Source:https://rijsoort.nl/en/projects/in
frastructure/ewicon-delft
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4. BASIC PRINCIPLE
Fig 2 Basic principle of EWICON
Source: https://repository.tudelft.nl/islandora/object/uuid:e1cfdada-85ea-45c4-b6e4-b798abf5917e/datastream/OBJ
3/12/2018
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5. HARVESTING POTENTIAL ENERGY
• The bladeless turbine lets wind move
positively charged water droplets from a
nozzle against the direction of an electric
field by a process called “Electrospraying”.
• 70% water + 30% etenol is used as charge
carrier liquid.
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Fig3 : harvesting potential energy
Source:
http://ieeexplore.ieee.org/abstract/docume
nt/1600481/figures

6. (CONT.)
METHOD TO EXTRACT POTENTIAL ENERGY :
• METHOD 1
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Fig4:method 1

7. (CONT.)
• METHOD 2
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Fig5:method 2

8. STRUCTURE
• The device comprises a steel frame holding 40 horizontal
rows of insulated ceramic tubes, which seems like a large
tennis racket.
• The metal plate consist of battery, inverter , HVDC source
pump & charging system & it is supported by insulators.
• The insulated plate acts as capacitor, which is charged by
removal of the charged droplets.
Fig6 an EWICON
Source:
http://wonderfulengineering.com/
ewicon-the-worlds-first-blade-less-
wind-turbine/
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9. EXPERIMENTAL SETUP
Fig7 The final experimental test set-up of the EWICON system. On the lefthand side, the metal plate acting as the platform
can be seen. On the right-hand side, the charging and spraying system can be seen.
Source:Djairam, Dhiradj. "The Electrostatic Wind Energy Converter: electrical performance of a high voltage prototype."
(2008). (page:107).
• The copper spheres (1), have been
placed to minimize losses due to
corona discharges, which would
occur otherwise at higher EWICON
system potentials.
• (2)The EWICON system potential has
been measured with an electrostatic
voltmeter .
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10. OUTPUT
Fig8 The output power as a function of the wind speed shown in pink, together with the fitted curve in yellow. The maximum
convertible power from the wind as given by the Betz limit has also been plotted, shown in red.
Source: Djairam, Dhiradj. "The Electrostatic Wind Energy Converter: electrical performance of a high voltage prototype."
(2008).(page:128)
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11. PROS OF WINCON
• Due to lack of large moving parts , the turbine is quieter.
• It has reduced maintenance costs.
• It produces much less vibration & making it better suited to urban
locality.
• Variety of shapes and sizes.
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12. (CONT.)
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13. CONS
• Very less efficiency about 7-10%
• Can be used only at small scale due to low efficiency.
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14. CONCLUSION
No moving parts , no vibrations ,different shapes and sizes , very less
maintenance cost makes it more feasible to use.
However a working experimental exists on small scale. We need
more research to achieve a full scale version. Improvements are
suggested that could lead to an efficiency of the EWICON in the range
of 25 - 30% which can be used for large scale also.
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15. REFERENCES
• Djairam, Dhiradj. "The Electrostatic Wind Energy Converter: electrical
performance of a high voltage prototype." (2008).
• https://repository.tudelft.nl/islandora/object/uuid:e1cfdada-85ea-
45c4-b6e4-b798abf5917e/datastream/OBJ/download
• Djairam, D., A. N. Hubacz, P. H. F. Morshuis, J. C. M. Marijnisen, and J.
J. Smit. "The development of an electrostatic wind energy converter
(EWICON)." In Future Power Systems, 2005 International Conference
on, pp. 4-pp. IEEE, 2005.
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