What is Charging: Definition and 406 Discussions

A charging station, also called electric vehicle charging station, electric recharging point, charging point, charge point, electronic charging station (ECS), and electric vehicle supply equipment (EVSE), is a machine that supplies electric energy to charge plug-in electric vehicles—including cars, neighborhood electric vehicles, trucks, buses and others.
Some electric vehicles have on-board converters that plug into a standard electrical outlet or a higher voltage outlet. Others use custom charging stations.
Charging stations provide connectors that conform to a variety of standards. For common direct current rapid charging, chargers are equipped with multiple adaptors such as Combined Charging System (CCS), CHAdeMO, and AC fast charging.
Public charging stations are typically found street-side or at retail shopping centers, government facilities and parking areas.

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  1. B

    Solar series battery charging problem

    I have a large array of solar panels, which are 12v panels. I have wired them two each in series to produce 24v at the array and carry that to a 24v charge controller which then connects to two 12v batteries wired in series for 24v, to power a 24 volt inverter. But I have observed a problem...
  2. T

    Bull charging and you charge the bull

    Would you be better off standing your ground? I don't actually know how massive a bull is but let's say about 1,700 kg. It's coming at you with a velocity of 16 m/s. You got a human who is a decent 93 kg and runs in the opposite direction at 12.517 m/s (he's an olympian 100m runner). Would...
  3. Manoj Sahu

    What generator should I buy for charging 12V battery?

    I have to charge a 12V 7AH battery using a wind turbine. For this purpose what kind of battery should I employ?
  4. E

    Battery charging: Minimum voltage differential?

    I have a question that I believe requires knowledge on the graduate level, but I can't necessarily express it in terms more complicated than plain English. If this is not so, moderator, please adjust to your taste, and thank you! If it helps to know this, I'm an audio/video systems designer and...
  5. S

    Design a flyback transformer for charging defibrillator

    how can i design a flyback transformer for the controlled charging of defibrillator capacitor(high voltage). The charging is controlled using PWM which controls the transformer switching using a MOSFET.
  6. spikey1973

    2A wireless charging mobile phone

    Very simple question that just want confirmed or disconfirmed.. I have a mobile cell phone which charges with max 2A but without wireless charging capabilities. Nowadays there are external wireless charging antennas for sale by the masses.. but even though there are charging platforms that can...
  7. K

    Charging a capacitor through a resistor -- final voltage?

    Why does capacitor charges up to full voltage as the emf of the battery even if there is a resistor is connected in series? I know that having a resistor means it will take longer to charge the capacitor but shouldn't some energy need to be lost in the resistor as well?
  8. K

    B How does charging and depleting a battery makes it last longer?

    Recently i bought a laptop with my friend. So, i went home charged it fully and begun to use it. However, my friend informed me that Acer recommends users to charge and deplete battery up to 3times.https://sg.answers.acer.com/app/answers/detail/a_id/27666 I was confused over this. Shouldn't...
  9. T

    Boost converter capacitor charging question

    I don't understand this part. When the inductor is charging, the capacitor current should be decreasing because its supplying the load. When the inductor is discharging (after DT), the capacitor should be charging and hence the current should be increasing, but in the figure its decreasing, why...
  10. V

    Charging a metal plate/piece of metal with capacitor

    Hi all, I have a question about charging a meta plate or a piece of metal with a capacitor. I need to charge a plate to negative or positive and search for some methods. I know charging by Conduction, Friction and Induction. I would like to use another method. I want to charge a capacitor (E.g...
  11. Mausam

    Capacitor question -- charging time for an RC circuit

    Homework Statement Hello everyone , this question has been troubling me for weeks,so if anyone could please help me out.i have attached the pic of the question.The answer given is 2 seconds but i am getting a different answer. Homework Equations first of all i distributed the charge on the two...
  12. P

    Charging a capacitor with a battery

    How does it work? I mean I know all the stuff, there is difference in potential and the charges flows, my question is, does the negative terminal of the batteries suck charges or the charges flowing to the negative terminal are flowing because they are pushed by the charges induced on the plate...
  13. gilakmesum

    How to charging the handphone without cable

    Please let us know how to make handphone charging use wireless charge?
  14. X

    Charging Capacitors: How Does Series Ckt Work?

    From my understanding, if I connect a capacitor to a power source, given enough time the capacitor will be fully charged and no current goes through the circuit. What if I have two or multiple capacitors connected in series? Do they all get charged at the same time? What if they have different...
  15. Stavale8099

    Solar power, battery charging, and inverters

    Hello, I'm trying to teach myself ...still learning...but I'm stumbling. I have a 15W solar panel whose output is 5V and 2.1A. I wish to charge a 12V battery (98Wh/8800mAh), but am unsure how to do this calculation as approximate time it would take (Assume sunny days - I know it's an...
  16. M

    Battery Charging Possibilities

    Is it possible to charge a 7.4V 850mAh lipo battery on a 10V 4mA power source? Inquiring minds want to know. Thanks everyone!
  17. harini07

    Electrostatics: Charging a sphere by induction

    Homework Statement this is a theoretical question.please consider the situation as follows: we are charging a metallic sphere using induction phenomenon with the help of a postively charged metallic rod and while on grounding the electrons flow from the ground to the sphere rather than sphere...
  18. D

    12V charging circuit between two batteries limiting max amps

    Hello, I was reading a previous thread that is now closed. What I'm curious about is a simple wiring schematic. I want to charge a battery on my trailer while it's hooked to the truck from the trailer 7 pin rv connection. The rv connection has a 12v hot all the time wire that I could use to...
  19. P

    Charging Lipos @ 5C with Digital Power Supply

    I have a ton of 3.7 volt lipo's at my house, each of which can be charged @ 5C, and since each have a capacity of 270 mAH, than I should easily be able to charge them @ 1amp. I put 8 in parralel with each other so it is a 1s, 8p battery pack. each of the lipos is the same (in tems of specs, ik...
  20. Akmalidin

    Powerbank for Bicycle: Charging a Li Ion Battery with Varying Current

    Hello, I made powerbank for my bicycle to charge my phone while I ride it. I am using one 4400 mah Li Ion battery. I was wandering If it is possible to charge the battery with less than 1 amp and not constant current? Because, generator I have on my bike produces 3W and it varies as I change...
  21. Akmalidin

    Battery temperature while charging

    Hello, I am made a powerbank myself with li ion battery. I used boost converter and everything is fine, charging my phone. But the li ion battery and my boost converter is getting really hot while charging my phone.The battery capacity is 4400mah. I don't know the reason for such temperature...
  22. Biker

    Capacitor Charging: Voltmeter, Charge & Voltage Calculations

    Homework Statement In the following diagram, The voltmeter reading is 5 volts when the switch K is open and C1 is not charged. When you close K calculate the following: 1- Voltmeter reading 2- Charge of each capacitor 3- Voltage of each capacitor Homework Equations Usual electronics equation...
  23. K

    Inductive charging: Emf induced in two coil loops

    Homework Statement So I'm trying to figure out this problem: The base of our charging station is composed of a coil with N1 turns and area A1 connected to a 120 VAC, 60 Hz source. The device has a smaller coil with N2 turns and area A2, which when attached will fit completely inside the...
  24. P

    How to Charge a 4P 1S cylinder Lipo Pack

    Hello, I have recently bought 4 cylindrical lithium ion batteries from hobby king to make a battery pack. To do this, I put all 4 of them in Parallel, so that the voltage would stay the same, but the capacity would increase. It says on Hobby king that they can charge at 5C, and since they are...
  25. Spinnor

    Energy flow into and around a slowly charging capacitor

    Picture a charging capactor, you know the E field, and the induced B field, the energy flow is just EXB. Please describe for me in rough terms the energy flow vector field near and far from the slowly charging capacitor? The flow of energy must ultimately come from the source of energy that...
  26. C

    Capacitor charging above solar cell voltage?

    This has been confusing me a lot lately. I built a type of battery derived from a solar cell that outputs a constant voltage of 0.5 Volts. My original plan was to work out a method to boost this voltage to around 1V to power a joule thief and light an LED using a capacitor charged by the cell...
  27. Akmalidin

    Car battery -- charging questions

    Hello, I am a Telecommunications student who does not have a lot clue about cars.Does a car charges up its battery when it moves? What power supply is used for lighting in car, the battery? So if car charges the battery when it moves, why sometimes external/additional charging of battery is vital ?
  28. H

    Capacitors -- charging and discharging

    So, is this true for when a capacitor charges through a fixed resistor (as shown in the image below, when the switch is closed to 1)- the potential difference across the resistor exponentially decreases to zero and the potential difference across the capacitor exponentially increases from zero...
  29. T

    Charging EV with varying input power

    I wanted to post this as a thought experiment. I wanted to preface this by saying I do not plan to build/experiment with anything being discussed as high currents/ high voltages are being dealt with and I am no expert.I am curious on designs for a system that will take the energy from a...
  30. P

    Understanding Internal Resistance in Batteries

    A battery has an Emf 6 Volts. It is completely discharged. It is charged by maintaining a potential difference of 9 Volts across it. If the internal resistance of the discharged battery is 10 ohms, find the current through the battery, just after the connections are made. My textbook says that...
  31. R

    Time for capacitor charging in RLC circuit.

    Homework Statement In series RLC circuit how much time it takes for capacitor to charge to 0.63% of source voltage..? time constant is the time taken by a capacitor to charge to 0.63% of source voltage and in rc circuit time constant is RC. but what about for capacitor in series RLC circuit...
  32. Clancy John

    Charging a capacitor using a 4V solar panel

    Will a 4V solar panel connected to a 100V rated capacitor stop charging the cap at 4V or will the cap keep pulling ad infinitum? Seems like the capacitor has no knowledge of the notion "I am full so stop drawing current" else they would not get destroyed if the solar panel was 500V instead. I...
  33. S

    Pedal-Powered Home Office: Charging a Battery & More

    So I want to charge a battery from a pedal-powered dynamo, and use that to power my PC, my screen, and pretty much everything else in my home office. This whole thing is a little project to improve my own health while I'm working; I'm not here expecting to make major miracle savings on the...
  34. P

    Can a 12V DC Source Efficiently Charge a 16.9V Lithium Ion Battery Pack?

    Hi, I have built a large, lithium ion battery bank, so that I may power some of my projects from battery. The bank is 10,000 milliamp hours at 16.9 volts, and was wondering the following. Can I charge my 16.9 volt battery pack with a 12 volt dc source? would It decrease the efficiency? Would...
  35. A

    How Can I Improve My Homemade Wind Turbine's Charging System?

    Hello! I recently built my own wind turbine. The motor is from an old treadmill, the blades are 5 pvc blades i made from scratch. So I built the whole thing, but the circuitry doesn't work so its just basically looking cool and doing nothing. My roommates are giving me crap about it, but they...
  36. S

    Can a Supercapacitor be Charged with Only One Wire and a Grounded Battery?

    Why can't I charge my supercapacitor with 1 wire? If the ions in the electrolyte make up the opposite electroldes, why won't it store charge when I charge it with 1 wire? It makes since for it to hold less charge but it's not charging at all. I'm using a grounded battery. 1 wire to my...
  37. P

    Coilgun capacitor charging circuit questions

    I've been making coil guns out of a disposable camera's flash circuit recently, and when experimenting with the capacitors themselves I've come across some things I can't explain, so I hope someone else can. 1. SOLVED: My mistake (In order to make my experiments easier, in place of the...
  38. Kurtis McIntosh

    Engineering Circuits Question -- Charging a car battery in 4 hours....

    Homework Statement A constant current of 3A for 4 hours is required to charge an automotive battery. If the terminal voltage is 10 + 1/2 t V, where t is in hours, (a) how much charge is transported as a result of the charging? (b) how much energy is expended? (c) how much does the charging...
  39. 3301

    Self charging keyboard - Is it possible or just funny?

    Last night I had a drink with my friend and short after he started talking about self charging keyboard. It is a wireless keyboard and it "could" be charged when you are typing ( mechanical to electrical ) or by cleaning it ( whipping off the keyboard with something and then electrons "would" be...
  40. N

    Charging of capacitors in series

    Hello everyone, I have a doubt about charging of capacitors in series. Suppose I connected two capacitors of same value, say,1 mF in series and put a bulb in series with them and applied a voltage 10V across the series. In steady state, the voltage across each capacitor will be 10/2=5V. Right...
  41. S

    Energy Consumed while charging a mobile phone

    The Rating on my Mobile Phone Charger is: Input : 100 - 240 VAC 50-60 Hz 0.15A Output : 5.0V ⎓ 1.0A How will we determine the energy consumed by the charger in T Hrs?
  42. G

    When Is the Potential Across a Capacitor Equal to That Across a Resistor?

    Homework Statement . Switch http://edugen.wileyplus.com/edugen/courses/crs7165/halliday9781118230725/c27/math/math152.gif in Fig. 27-63 is closed at time http://edugen.wileyplus.com/edugen/courses/crs7165/halliday9781118230725/c27/math/math164.gif, to begin charging an initially uncharged...
  43. gracy

    Charging of Capacitor: Why Electrons Stop?

    I was going through charging of capacitor .I did not understand one thing .Plates of capacitors are uncharged initially but when battery is connected to it ,(positive terminal of the battery is connected to the Plate 1 and negative terminal of the battery is connected to plate 2)electrons from...
  44. kostoglotov

    RC Circ, Capacitor charging Q....very lost

    Homework Statement Homework Equations Series: R_{eq} = R_1 + ... + R_n Parallel: R_{eq} = \left(\frac{1}{R_1} + ... + \frac{1}{R_n} \right)^{-1} Charging Capacitor: I = I_0 e^{-t/RC} Charging Capacitor: \Delta V_C = \varepsilon (1- e^{-t/RC}) Charge: Q = C \Delta V_C The Attempt at a...
  45. nar5i

    Can Piezoelectric Plates Effectively Charge a Phone?

    I am doing my wrong project from school. Its basically a science fair but only for the students in the class. I came up with the idea to use piezoelectric plates to charge a capacitor that then charges one of those portable po charge a phone. I know I'm not the first one do this, but I do want...
  46. C

    Is the motorcycle charging system storing excess power in the stator?

    Hello, I am please to meet your acquaintances! I registered for the following problem: The system at hand is a motorcycle charging system with a permanent magnet alternator and a shunt rectifier. The common belief is that the regulator/rectifier (R/R) dissipates all surplus power. I think that...
  47. N

    Project: Charging devices with Eolic (Wind) Energy

    Good evening, everybody, I'm new here so if I made any mistake, I apologize in advance. I've been thinking in a project from a while now and I want to share it with you seeking for your help and wisdom. Basically, I want to build a small wind turbine in order to charge a smartphone or a tablet...
  48. B

    Charging and discharging capacitor, differential equation

    Homework Statement A circuit consists of a voltage source, voltage ##V## , a resistor, resistance ##R##, and a capacitor, capacitance ##C##, in series. (i) Show that the charge ##Q(t)## in the capacitor satisfies the equation ##R Q' (t) + Q(t)/C = V ##. (ii) Suppose that ##R##, ##C## and...
  49. T

    Confused about Resistance and Charging

    I'm confused about the resistances of common electrical appliances. v=ir So I was reading something about how fast iphones charge with different chargers and it got me thinking about the resistance of things like phone batteries. So it said that it could charge at 5V and 2 amps, but also at 5V...
  50. John4

    Voltage Measurement in a Capacitor Circuit with AC Charging

    Homework Statement Hi I have been told that the question below might be similar to potential university interview questions for physics/electronic engineering. In relation to this circuit diagram: http://forum.allaboutcircuits.com/attachments/diagram-ac-diode-capacitor-pd-question-png.90713/...
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