SVC-D LCD Series Fully Automatic A.C. Voltage Regulator

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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.


Specification0.5KVA,1KVA,1.5KVA,2KVA,3KVA,5KVA
Input Voltage(1)AC 150V~250V
(2)AC 70V~130V
Output VoltageAC (1)220V (2)110V
Stabilization PrecisionWhen 220V,±3%
When 110V,±3%
Frequency50Hz,60Hz
Delay TimeLong: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 Value180V/5s delay
Over-load Protection Value2.8times than rated capacity
Over-temperature Protection Value90oC
Load Capacity Factorcos 0.9
Regulating TimeWhen input varies 10%,less than 1s
Waveform DistrotionNo additional waveform distortion
Reactance Strength1500V/1min
Insulation Resistance>5MΩ
Insulation GradeE grade
EnvironmentTemperature:-10oC~+40oC Humidity:<90%


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Q:Can transformers (Step down) start a fire?
It's possible but very unlikely. Many transformers have a heat-operated fuse connected in series so that it breaks before the transformer coils get dangerously hot. It will be hotter inside because the heat can't escape easily, so if the transformer fails the wire will melt inside it, not on the outside. If you are worried about it then you could either check if your transformers have such a fuse, or if they don't, you could fit one yourself. You could also fit the transformers into a big metal box with air vents and a fan to help keep things cool. It's normal for a transformer to get warm, just feel any mains adapter in use. The main component is a transformer. Electrical fires are caused mostly by bad connections sparking, or bad practice which allows a cable to get red-hot from an overload, something which will not happen in a standard installation, because fuses and breakers are installed to prevent it. There is a huge difference between the temperature your hand finds uncomfortable, and the temperature of melting copper which could cause a fire.
Q:Physics: What is the function of a transformer?
Sorry but I don't know about this
Q:transformer?
volts give jolts amps gives cramps
Q:How to use the experimental method to determine the transformer iron consumption and copper consumption
No-load test for iron loss; short-circuit test copper loss. I suggest you read the book, see the information.
Q:What is a transformer paused?
In accordance with the provisions of Article 24 of the Power Supply Business Rules: The user is suspended and must apply to the power supply company five days ago. The power supply enterprise shall handle the following provisions: 1. In each calendar year, the user may apply for all the temporary (including the high voltage motor that does not pass the receiving transformer) or part of the electricity capacity of the temporary stop power twice, each time not less than fifteen days, one year cumulative pause Not more than six months. Seasonal electricity or other users of the country, the cumulative pause time can be negotiated; 2. According to the transformer capacity of the user to charge the basic electricity, the suspension of electricity must be the whole or the whole group of capacitors to stop running. After receiving the application for suspension, the power supply enterprise shall pay the suspension of the equipment according to the date when the user applies for the suspension. From the date of the seal, according to the original billing method to reduce the corresponding capacity of the basic electricity;
Q:Three-phase three-winding transformer high-pressure medium-pressure low pressure is what it means
transformer: Transformer is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. According to the purpose can be divided into: power transformers and special transformers (electric furnace change, rectifier, frequency test transformer, voltage regulator, mine transformer, audio transformers, IF transformers, high-frequency transformers, impact transformers, instrument transformers, electronic transformers , Reactors, transformers, etc.). Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on.
Q:National Standard for Transformer Life
Transformer life span, no national standard. Oil-immersed transformers Ye Hao, dry-type transformers Ye Hao, they all have their own load guide (a guiding technical standards). Above some theoretical calculations (you can look for a look). But the life of the transformer and many factors, it is impossible to Yigai, such as oil-immersed transformer has 6 degrees, that is, the transformer running temperature increased by 6 degrees, its life reduced by half. Every 6 degrees lower its life doubled, and so on.
Q:2500KVA transformer rated current 3608A, how much can be overloaded current?
2500kva is the transformer capacity, P is active, COSφ = active / capacity. 0.8 = active / 2500 that active = 2000KW and because of active = 1.732 * UICOSφ and u = 0.4V, COSφ = 0.8 into the equation of current = 3608.5A.
Q:What are the malfunctions and abnormal operation of the transformer?
working principle: Transformer is the use of electromagnetic induction principle made of static appliances. When the transformer's original coil connected to the AC power supply, the core will produce alternating magnetic flux, alternating magnetic flux with φ said. The original, the secondary coil φ is the same, φ is also a simple harmonic function, the table for the φ = φmsinωt. By Faraday's law of electromagnetic induction, we can see that the induced electromotive force in the original and secondary coils is e1 = -N1dφ / dt, e2 = -N2dφ / dt. Where N1, N2 is the original, the number of turns of the secondary coil. U1 = j1n1, U2 = E2 = -jN2ωΦ, and the complex value is U1 = -I1 = jN1ωΦ, U2 = E2 = -jN2ωΦ, and the complex value is U1 = Let k = N1 / N2, said the variable ratio of the transformer. U1 / U2 = -N1 / N2 = -k, that is, the ratio of the original value of the transformer and the secondary coil voltage, is equal to its turns ratio and the difference between the original and the secondary coil voltage is π. And then come to: U1 / U2 = N1 / N2 In the case of no-load current, I1 / I2 = -N2 / N1, that is, the original and secondary coil current RMS value is inversely proportional to the number of turns, and the phase difference π. And then available I1 / I2 = N2 / N1 Ideal transformer original, vice coil power equal P1 = P2. Indicating that the ideal transformer itself without power loss. The actual transformer always has the loss, its efficiency is η = P2 / P1. Power transformers are highly efficient and up to 90%.
Q:Lights in house dimmering / flickering after lightning hit transformer?
First, is it only your house, or is your neighbors power doing the same thing? if it is several houses, the problem is somewhere out at the pole and the power company's problem (although you might need to call them and tell them it is happening). If it is only your house, it could be that, when the lightning hit, it only messed up the wires leading to your house, so I would try calling the power company first to eliminate those problems. It could also be that the lightning strike has messed up your wiring. Since the flickering involves the whole house, it would need to be a bad/loose/burnt connection, damaged main breaker, etc at your main panel or meter box, etc.

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