=> Questions:
Q- What is the wireless power transfer means?
A- It means the electricity will be transmitted and received into the devices without using the wires.

Q- How is the power transfer wireless?
A- the electricity will get inside the transmitter circuit then through the first coil, that electricity turn into electromagnetic field through the air via high frequency generator, and then it will be received through the second coil that has been fixed in the receiver circuit in between a specific distance that will be determined after setting some features of the two coils which are the specifications of the two coils, and then that received electromagnetic power will be converted into its normal form of frequency which is the electricity with 50/60 Hz again which is the standard value, then it will be filtered into the device’s input rating power.

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Q- How is it could be safe? I mean if I’m walking and I touched a metallic body, the handle of the door as an example, will I get shocked?
A- No of course you won’t. Because you won’t be affected with the electricity in the air except the electricity that has 50 or 60 Hz, and in the previous question I mentioned that I will use high frequency generator which will allow me to send that electricity with 2.6 GHz to ensure the safety of everybody.

Q- Why did you think that this idea can be your research project?
A- Because the new technology is already spotting on how to make everything wireless, plus I’m one of the millions who want to abandon using the wires in everything with the electricity, also we can transfer the electricity into many devices through using one transmitter circuit and this will be easier than using every device we have with its own plug.

Q- Where should we use the wireless power transfer, I mean can it be used in a hospital for example?
A- I got what you mean; you mean the stability of the signal, actually for now I cannot say it can be used because it is still unqualified to be used with these devices that need high establish signals.

Q- When can you finish the wireless power transfer’s research project?
A- I have scheduled my activities that will be needed until the testing of the wireless power transfer’s circuits; so I can say it will be finished after 160 days from the first activity of searching about the information until the testing.
=; Specifications:
– The dimensions of the transmitter circuit will be 20 cm length × 15 cm width × 10 cm thickness.
– The dimensions of the receiver circuit will be 20 cm length × 15 cm width × 10 cm thickness.
– The weight of the wireless power transfer’s circuits will be 430 grams without the weight of the two coils.
– The total cost for the wireless power transfer will be 600 EGP.
– The input voltage for the transmitter circuit will be 12 V DC through using an adaptor.
– The input current for the transmitter circuit will be 300 mA through using an adaptor.
– The input frequency will be 50/60 Hz in which to be usable for the whole world.
– The transmitter coil will transmit the electricity with the high frequency generator with 2.6 GHz.
– The maximum distance range that the wireless power transfer will work in between is 1 m which means the maximum distance that the receiver circuits will receive the electricity in between will be 1 m.

=> SWOT analysis:
Helpful Harmful
(For the wireless power transfer) (For the wireless power transfer)
Internal (Within the wireless power transfer) Strength:
– This research project is needed these days and there are many researchers are working on, so there are many research papers that can help me if I have any kind of confusion.
– I am a good wilder and in the activity of installing the circuit I will be an active member in the team as I can use the wilding tool with high performance.
Weakness:
– My team doesn’t know how the coils could be made.
– The wireless power transfer circuits cannot be simulated on any simulator program so we need to buy the components from the market to test the results that we will get.

External (Outside the wireless power transfer) Opportunities:
– One in our team knows person working in El-Sewedy electric company who can help us to get our fund.
– This research project is in our studying field which is electrical and electronics engineering field, so it is an opportunity as it will help us as background about the methods used in transferring the electricity and background about the electronics components that we will use. Threats:
– My team doesn’t know how the coils could be made, so the threat will occur if we didn’t find someone have the experience to teach us.
– High costly component as an example I did not find the cheap component but the found one is the expensive one, so I need to wait until that cheap components be available in the market again or search about another component that can be used instead of that expensive component.
– The time is our greater threat in which we want to finish all of the activities we have arranged in this year.

=; Project risks:
– After analyzing the project specifications I have identified that these risks are the project risks that I may face while I’m creating the wireless power transfer’s two circuits.
– There are two kinds of risks I may made, risks will effect on the time of the research project and risks will effect on the resources.

-; Time risks:
– Overloaded worker: which means someone in my teamwork has much load of work than the others, so we have to help him finishing his overloaded activities.
– Retiring worker: which means someone in my teamwork want to get off the team and stop working with us, so we have to separate his activities on us.
– Component failure: which means a component got a failure and stopped working or gets damaged, so I need to go to the market to get another or if I have an extra one I will just change it.
– Unavailable resources: which means I did not find something in the resources that I put in the needed resources list, so I need to search about another resource that can be used instead of the unavailable one.
– High costly component: which means that I did not find the cheap component but the found one is the expensive one, so I need to wait until that cheap components be available in the market again or search about another component that can be used instead of that expensive component.

-; Resources risks:
– Unavailable resources: which means I did not find something in the resources that I put in the needed resources list, so I need to search about another resource that can be used instead of the unavailable one.
– High costly component: which means that I did not find the cheap component but the found one is the expensive one, so I need to wait until that cheap components be available in the market again or search about another component that can be used instead of that expensive component.
– Component failure: which means a component got a failure and stopped working or gets damaged, so I need to go to the market to get another or if I have an extra one I will just change it.
– Human resources missed: which means someone we need him isn’t available in the time we need him, for example the handmade coil specialist, so we have to search about another one or begin making the coil by ourselves.

Time risks Percentage Impact Percentage × impact
Overloaded worker 20 % 1 0.2× 1 = 0.2
Retiring worker 20 % 2 0.2× 2 = 0.4
Component failure 40 % 2 0.4× 2 = 0.8
Unavailable resources 10 % 3 0.1× 3 = 0.3
High costly component 10 % 3 0.1× 3 = 0.3

Resources risks Percentage Impact Percentage × impact
Unavailable resources 10 % 3 0.1× 3 = 0.3
High costly component 10 % 3 0.1× 3 = 0.3
Component failure 40 % 2 0.4× 2 = 0.8
Human resources missed 10 % 2 0.1× 2 = 0.2

-> The total risk of the wireless power transfer research project will be:
(Sum of (percentage × impact)) / (number of risks × number of impacts)
(0.2 + 0.4 + 0.8 + 0.3 + 0.3 + 0.3 + 0.3 + 0.8 + 0.2) / (9 × 5) = 0.08 = 8%

– So the wireless power transfer’s risk is 0.8% which means it is totally safe to begin the working on the circuits right now.

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