SVC NEW Single-phase And Three-phase High Accuracy Full Automatic AC Voltage Stabilizer

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Loading Port:: Shanghai

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Supply Capability:: 10000pcs pc/month

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1. Summary
SVC-D Series AC automatic voltage regulator is the latest product studied and produced by ourselves. These products adopt 8 digits CPU control produced by the well-known MOTOROLA company, which can stabilize the precision and set up the delay time. The products also have many protection functions on delay, over-voltage invert-delay, lack voltage, over load invert-delay, lack voltage, over load, over temperature, machine malfunction and so on. They have digital display, blue-screen lightproof, dynamic panel display and it can show the working status of the machine. When the machine works abnormally, on the panel there is corresponding due and short or long warning.

Specification	0.5KVA,1KVA,1.5KVA,2KVA,3KVA,5KVA
Input Voltage	(1)AC 150V~250V (2)AC 70V~130V
Output Voltage	AC (1)220V (2)110V
Stabilization Precision	When 220V,±3% When 110V,±3%
Frequency	50Hz,60Hz
Delay Time	Long:180s;Short:5s
Over-voltage Protection Value	(1)250V/5s delay; (2)275V/2s delay; (3)295V/1s delay; (4)305V/0s
Lack-voltage Protection Value	180V/5s delay
Over-load Protection Value	2.8times than rated capacity
Over-temperature Protection Value	90^oC
Load Capacity Factor	cos 0.9
Regulating Time	When input varies 10%,less than 1s
Waveform Distrotion	No additional waveform distortion
Reactance Strength	1500V/1min
Insulation Resistance	>5MΩ
Insulation Grade	E grade
Environment	Temperature:-10^oC~+40^oC Humidity:<90%

Q: if the transformer converts 240v ac to 8V ac, ratio 30:1 then it should step up the voltage by the same ratio, i.e, 15V ac to 450v ac.but it's not the case !!: It must be using different terminals for step up and step down.

Q: does anybody know what Transformers 2: Revenge of the Fallen is going to be about? Like what is the whole plot, or storyline?: I think its again about the cube

Q: Transformer oil filter method: 2, vacuum oil filter to ensure that there is a certain number of power, taking into account the size of your transformer, oil pillow position level, the oil filter is too small may not go oil cycle 3, the oil circulation from the oil pillow on the opening of the valve, where the best open after the bandaged, to prevent other debris in the filter oil fall into the transformer oil pillow. 4, filter oil after a certain time, take oil samples. Qualified to stop the oil filter, add the oil inside the oil can be closed after the oil pillow upper check valve. The transformer can be powered by one night after standing.

Q: 440 kv(Primary side) and then at the receving station its step down from 440kv(primary side of the step down transformer) 33 kv.in the tranmission line,between both the primary side of the transformers the voltage is 440kv.then how the power flows in tranmission lines?: Gawd I don't know where people go to school to make up rubbish about the power being too high for use in homes. Just get a few facts and make the rest up. Ok When electricity is generated in a central power station the electricity needs to be transmitted many miles. The most efficient way of doing this is to use as high a voltage as possible. So at the power station a transformer is used to convert the generated voltage into a high voltage for transmission. When the electricity arrives at the destination it is transformed back down to whatever voltage the end user requires. The reason for using the high transmission voltage is to reduce resistive losses in the cables. I'll give an example Suppose we need to go 100 miles and have a resistive load of 1 ohm/mile We need to deliver 1MW down to the end of the line and the end voltage required is 100V We'll ignore the voltage drop for the example, but you can do homework to take it into account. If we transmit at 100 volts then applying W VI we need I 10^6/10^2 10^4 amps We have 10 ohms in the transmission path so resistive losses are I^2 . R (10^4)^2 . 10 10^9 Watts That is one heck of a loss! Now, if we transmit as 100kV 10^5V then our current is now 10^6/10^5 10 amps Applying I^2 . R for our resistive losses we now get 10^2 . 10 10^3 watts You can see the VAST difference that stepping up the voltage for transmission does now for the transmission loss.

Q: I am building a high voltage RF transformer and I'm wondering what considerations I need to take in order to build it correctly.The transformer primary will be powered by a 12V square wave signal around 5-20kHz. The secondary needs to put out at least 1kV at very low amperage (in the mA range, the lower the better).What considerations I need to take into account in building the transformer?Thanks for all the help!: Obviously, you need a turns ratio of 1000:12, or 83:1. Your power requirement is low (1000V x 1 mA 1 Watt). I've designed a lot of RF transformers. To me, the main consideration is operating frequency. Your magnetic core must perform well at your operating frequency. (The higher the reactance and the higher the Q, the better.) Core manufacturers provide that information on data sheets, and sometimes provide it by number of turns, which I really like. You can use that information to predict your no-load current. At high frequency, high-mu materials don't work well. At low frequency, you need high mu to get enough flux in the common magnetic circuit. At high frequency, you need fewer turns as well, and need to have a shorter magnetic circuit. You also need to be careful (especially at low frequency) to keep well away from saturation. If you saturate the core, your current spikes and the transformer no longer works. Be careful not to saturate the core with DC. How much magnetization (flux) it takes is measured in Webers or volt-seconds. At low frequency, you have a lot more volt-seconds. Wind the core carefully to make sure that as much flux as possible passes through all the linkages. Leakage inductance means you take more reactive power to get your output. Do your input and output need to be isolated? If not, you can use a tapped transformer. At 1kV output, dielectric breakdown is fairly easy to handle. Using standard magnet wire for the secondary should be fine.

Q: hi guys can any of you give me advice on wot i need 2do on removing and replacing a faulty line output transformer on a rear veiw projection tv as i have the part and the local tv shop wont fix it 4 me.wot would be the best way to discharge the power from it first and could i jus cut the 2 wires on the old 1 and use connector blocks to connect the new 1 in would this be ok to do or do it need to soilder connected on?. and is there any adjustments that would need to be done to the set when i have it installed be4 i turn it on any help much appreicated: If you have an identical replacement transformer there shouldn't be a need to adjust anything to start. As to cutting wires to remove the old transformer to replace the new one, I suggest you make yourself a chart of any color coding of the wires or tagging them so there is no error as to what to connect to what on the new transformer. I personally would replace the transformer as the manufacturer installed the original one. As for discharging, use a 10K ohm resistor with one side to ground and the other side of the resistor to the components you want to discharge. I don't advise just grounding direct. Good luck and be careful.

Q: What is the meaning of the transformer without excitation?: No excitation refers to the transformer should be off the state of the power regulator, and his relative to the excitation voltage regulator should be on-load regulation.

Q: How to measure check the good transformer ?kindly if anyone might upload the video for me . in this regarddo we have to take it out of the board ? (isolate from other components) .what to check . what should be the values ?when checking , supply should keep on or not ?any website that explain these things and upload the videos in these kind of matters . I want to learn the repairing and maintenance of electronic electrical devices instruments of daily use ?thanksGOD BLESS YOU ALL: A quick-and-dirty check is to measure the resistance of the windings. There is no correct value because every transformer is different. For a mains step-down transformer normally the primary windings will be 50 ohms and the secondaries will be a few ohms. If there are double windings (like 0-115 0-115 on the primaries) then both windings should have a similar resistance. This is not a guarantee of a good transformer because it will not detect shorted turns. The only way to detect that is to take the transformer out, power it and measure the output voltages.

Q: I need to make a small transformer (that uses AC obviously) that would boost an input voltage of 20-30 millivolts at 1.5 mA to a output voltage of 1 volt (with a current that would obviously be very small) How must I design and build the transformer to accomplish this? Thank you.: Transformers follow Ohm's Law and multiply or divide voltages based on the number of turns making each coil. You need only ensure your two coils have the appropriate number of windings. As for actual numbers for the windings, 1.5mA is an absolutely tiny amount of current, so you have considerable flexibility in this. If you are looking to build a transformer, you should look up the information on what you're planning to use for a core, to be able to calculate the voltage across the secondary coil.

Q: does anyone know if there will be a next transformers?? there were rumors that there will be a 2nd in 2009 but with the same actors/actresses????I CANT WAIT THAT LONG :-(: Yes , if you saw the credits the 3rd scene it shows starscream going to space.

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