Circuit diagram of dc voltage regulator,horoscopes virgo love compatibility,universal power supply circuit - Videos Download

07.10.2014
Though there are 220V to 110V converters available for solving the above issue, these are big, cumbersome and immensely costly. CAUTION: ALL THE CIRCUITS DISCUSSED HERE HAVE POTENTIALS OF CAUSING SEVERE LIFE AND FIRE HAZARDS, EXTREME CAUTION IS ADVISED WHILE GETTING INVOLVED WITH THESE CIRCUITS. In the the proposed design, in all 190 1N4007 diodes have been used and put in series for acquiring the desired level of voltage conversion. If we multiply 190 by 0.6, it gives around 114, so that's pretty close to the required mark of 110V.
However since these diodes require an input DC, four more diodes are wired up as a bridge network for the initially required 220V DC to the circuit. The maximum current that can be drawn from this converter is not more than 300 mA, or around 30 watts. The next option presented here has not been tested by me, but looks good to me, however many will find the concept dangerous and very undesirable.
I designed the following converter circuit only after doing a thorough research regarding the involved issues and have confirmed it to be safe, but it's my personal point of view, if you find it undesirable better do not try this.
The circuit is based on the regular light dimmer switch circuit principle, where the input phase is chopped at the particular voltage marks of the rising AC sine wave. One big issue involved with this circuit is back EMF that might be generated  from the transformer of the gadget, this might instantly fry the triac or the diac.


The pot shown in the circuit should be adjusted for obtaining the required 110V at the output terminals. Alternatively a simpler version of the circuit can be made, where the main high triac is operated via a cheap light dimmer switch for the intended results.
The last circuit in the order is perhaps the safest from the above because it uses the conventional concept of transfering power through magnetic induction, or in other words here we employ the age old autotransformer concept for making the desired 110V converter. However here we have the freedom of designing the core of the transformer such that it can be stufed inside the particular gadget enclosure which needs to be operated from this converter. I have shown the use of ordinary steel plates here as the core material which are stacked together and bolted across two of the sets. This is the circuit diagram of 3A switching power supply regulator: Simple and cheap, the circuit built based on well-known IC regulator LM317 with current booster of power transistor 2N3782. This is a very basic dual polarity power supply circuit diagram, it also called symmetrical power supply or split power supply.
This is the positive voltage regulator circuit with PNP Boost transistor: The IC8211 presents the voltage reference and regulator amplifier, while Q1 will be the series pass transistor. Hello Readers, We frequently add new circuit diagrams, so do not forget to come back often. Although sufficiently advanced and high power components have been included in the design, an effective snubber circuit stage was felt imperative and therefore the RC network across the triac has been stationed.


There will be always some space in gadgets like an amplifier or other simlar systems, which allows us to measure the free spave inside the gadget and  customize the core design. I truly enjoyed reading it, you are a great author.I will be sure to bookmark your blog and may come back later on. This regulator use adjustable regulator IC of LM317HV and a power PNP transistor of 2N3792. You can also use other ICs for this purpose like LM317T which is a 1.5A adjustable voltage regulator IC shown in figure 2, the desired output voltage can be obtained by placing a suitable resistor value for R1. The solar panel charges the battery when sunlight is bright enough to generate a voltage above 1.9v. Diodes D2 and D3 conduct full-wave rectification, at the same time charging capacitor C2 on each halves of the alternating current cycle. Conversely, when VB exceeds VA, the comparator output becomes low and Q1 doesn’t conduct. If you have more current requirements then you can use the circuit shown in figure 3, using LM338 IC which is a 5A adjustable voltage regulator.




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