How does a voltage multiplier work? - how do i know the voltage of my poe
How do the "multiplier voltage?
I have a wiki
http://en.wikipedia.org/wiki/Voltage_multiplier
But when I read that "explanation does not understand" how it works and I can understand how things in a very rapid employment rate, can someone help me?
And even if you know of any other voltage multiplier, "I can say, and how do they work?
Sunday, February 7, 2010
How Do I Know The Voltage Of My Poe How Does A Voltage Multiplier Work?
3 comments:
I agree, the track is very difficult to understand and even harder to explain, a. Mike has a great job!
I will try to explain it from a different angle, maybe if you can answer the two together make more sense.
What makes this difficult problem, there are a few things:
1. It looks like a bunch of half-rectifier, but is only slightly different
2. Although many steps is symmetric, is the first step a little differently than others.
I propose that we try to understand them, study the form of vertical rod (in the explanation of the wiki) as the original (horizontal) schematically.
Take a simple half-wave rectifier. AC source, a diode, scroll down to earth. If the source is AC 200V PP (+ / - 100V), the CAP will be charged to a value of 100 volts and remain there.
Take the same circuit, but the device with an AC signal of 0-200 volts. The cap is charged to 200 volts. A signal of 0V-200V is the same as (200V PP)+ (100VDC).
The first case describes the route, including Vp, D1 and C1. If you are on the page look, it's only a half-rectifier. C1 develops a voltage of 100V, and argues that the tension, if (you do not receive the supply circuit).
So what is match the voltage at point C1 and D1? Well, Vs + Vc. VS-200VP P Vc is 100 volts when the voltage in the C1-D1 is not a sine wave from 0 V to 200V. This is fixed C2D2, and as shown above, is set this voltage 200VDC gives us is what appears in C2.
Now look at the combination C3D3. D3 will not allow that to say the top plate of C3 at 200V (a position) to cover the C2. However, the bottom plate of C2, a voltage between 0V to 200V. When the voltage on the bottom plate of C2 drops to 0V, the upper limit be fully charged, it develops through 200 volts, and it will keep the tension (if you no power) from the outside. During the growing tension D3 is biased reverse and not behavior. What is the voltageAge at the C3-D3 binding? It is the tension on the bottom plate of C3 (the 200VP-P + is 100VDC) + VC3 (200 V) = (200VP P-300 VDC) or, in other words, a sine wave of 200-400V. The C4D4 Combo is then half a rectifier, the C4 200Volts fees. (The difference between the negative side of the rectifier and the positive side is a sine wave of 0-200V).
He continues to do so. Each capacitor in the correct scale developed 200 VDC over him, so that each adds the output voltage to 200 VDC. Each capacitor developed over the left C1 200 VDC (with the exception that is the only 100VDC), and pushed away from the source (V1), so that the voltage is a sine wave with increasing tension as each step of the ladder.
See, I told you it was hard to explain!
Hope this helps. You can replace the sine wave with a square wave, and it still works, but in view of half of the "rectification" vague term, I thought it would be) more familiar sinus.
Mike has a good job. I prefer the cascades at high voltage in the manufacture of industrial paint (including used cars). You need to download the picture of 80kV and using an electrostatic charge to attract the color of the vehicle floor.
Remember, this is an AC signal, the generation of alternating current with an oscillator that runs at about 16 kHz. Our oscillator is directly executed in a step transformer up to 10KV. Much more than just the processor and decompose.
This signal comes on the stage of 12 multipliers, each stage can handle 12,000 V. These caps and diodes are not available at Radio Shack or Digi-Key and they are not cheap.
These devices are vacuum encapsulated high voltage resistance (600V per thousand) epoxy. Otherwise, degradation and destruction. 80kV jump 6 inches on the ground.
We designed waterfalls, which offer 250U to 600U in 100kV and 100kV. Laboratory 600U anxiety can throw to the ionized air, which form an arc constant over 12 inches.
A 100kV200uA T is not much harm, but 100kV in 500uA make your arm numb and I wish he had not been in touch with him.
And, of course, is like a Stun.
EPhantom - This is a dangerous thing without adequate laboratory equipment.
If not, the explanation is as good as could be, but it's hard to explain. Think about this. If you connect two caps in parallel with a 100V, it is responsible for both 100V. So if you are removing a source of 100V and simply connect the two ends of the range of 200 V across the circuit in series - if not redundant capacity. From start to fall through to consumption - the stress begins. Then you can connect in parallel to the source in connection with, load it back then returned to the series circuit, where you can give a little more power into 200V before the reconstruction.
If you could 5-capacitors, all procedures to 100V, they all piled in series and 500V.
We could build a track with lots of links that might be a large amount of current to the 100V source and supply affected as a switch to change the blankets back and forth between the loading and unloading in parallel and in series: 1 / 5 of this current to the load at 500V.
The only thing is that repeaters are a nuisance and don'tlAST long. Some links on the track, sometimes through the open contacts 500V that can be seen to be manageable, but now we want to try a voltage multiplier, which, say, can be 30,000 volts - will take place with the switches.
A diode is a switch, a sort - in a circuit with an AC voltage is in one direction and another disabled. So, if we start with a source of AC voltage diodes can be used for switches. So, if you decide to not all caps are parallel, but each face the next one - we have a range of relatively simple scale that easy to construct and, more importantly, no diodes or more blankets or 2 times the Input voltage - so we are doing the stairs and get huge high output voltages without the need for components that break the tension inaccessible.
Other possibilities for the largest low voltage - in AC circuits, simply include a transformer winding voltage is much smaller near the main entrance of the site and get the AC voltage from the great - a step-upTransformer - but you'll components at the end that the entire output can handle - so we are again not practical in thousands of volts - In addition, power companies hundreds of thousands of lines of electric volts through the desert, and everything is done with transformers.
You can get low voltage for a current flowing in a large coil, suddenly, the source and the end of the high voltage coil in a futile attempt to cut off is used to hold - not to, I suspect that Tesla coils are produced in this way .
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