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

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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.

Input Voltage(1)AC 150V~250V
(2)AC 70V~130V
Output VoltageAC (1)220V (2)110V
Stabilization PrecisionWhen 220V,±3%
When 110V,±3%
Delay TimeLong:180s;Short:5s
Protection Value
(1)250V/5s delay;
(2)275V/2s delay;
(3)295V/1s delay;
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:Transformer tap adjustment there are several ways? What are the advantages and disadvantages?
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:Three-phase transformer how four ways to connect it?
If the three-phase transformer has four windings can not have four kinds of wiring way?
Q:What is a transformer?
First talk about the buck, usually we use a variety of voltage, such as life lighting is 220V, industrial safety lighting is 36V, welding machine voltage also need to be adjusted, which are inseparable from the transformer, the transformer through the main and auxiliary coil electromagnetic Mutual inductance principle, can reduce the voltage to the voltage we need. In the process of long-distance voltage transmission, we need to raise the voltage to a high, in order to reduce the voltage loss, usually rising to several thousand volts or even tens of kilovolts, which is the role of the transformer.
Q:Why the new operation of the transformer to be charged
Do the pressure test, measured insulation performance. Although the discharge of a transformer said, but no charging function
Q:Transformers are divided into several. What is the role of each? To be specific!
Types and characteristics of commonly used transformers      Commonly used transformer classification can be summarized as follows:      1, according to the number of points:      (1) single-phase transformer: for single-phase load and three-phase transformer group.      (2) three-phase transformer: for three-phase system of the rise and fall voltage.      2, according to the cooling method points:      (1) dry-type transformers: rely on air convection cooling, generally used for local lighting, electronic circuits and other small-capacity transformers.      (2) oil-immersed transformers: rely on oil as a cooling medium, such as oil from the cold, oil-cooled air-cooled, oil-soaked water, forced oil circulation.      3, according to the use of points:     (1) power transformer: for the transmission and distribution system of the rise and fall voltage.      (2) instrument with transformers: such as voltage transformers, current transformers, for measuring instruments and relay protection devices.      (3) test transformer: to produce high pressure, the electrical equipment for high-pressure test.      (4) special transformers: such as electric furnace transformers, rectifier transformers, adjust the transformer and so on.      4, according to the winding form points:      (1) Double winding transformer: Used to connect two voltage levels in the power system.      (2) three-winding transformer: generally used in power system area substation, connecting three voltage levels.      (3) Autotransformer: Power system for connecting different voltages. Can also be used as a normal step-up or down transformer.      5, according to the core form points:      (1) core transformer: for high voltage power transformers.      (2) shell transformers: special transformers for high current, such as electric furnace transformers, welding transformers; or for electronic equipment and television, radio and other power transformers.
Q:Transformer secondary side is high pressure or primary side is high pressure
Step-down transformer primary side is high pressure, secondary side is low pressure. The step-up transformer is just the opposite. Step-down transformer reverse use is the step-up transformer.
Q:How is the insulation of the transformer divided?
Insulation can be divided into two parts: main insulation and vertical insulation. The main insulation is between the winding and the ground part, and the insulation between the windings.
Q:800kw motor how much transformer
800kw motor can generally choose 0.8 motor power in about 800KW with 1000KVA. Motor power in 1400KW or so with 1750KVA. If you are equipped with reactive power compensation (in general, the power company also requires you to match, if the power factor is less than 0.9 Is to be fine) Transformer can also choose a little smaller, like 1000KVA transformer power factor of 0.9 when you can take 900KW load. Can also be based on
Q:How the transformer is transformer
The role of the core is to strengthen the magnetic coupling between the two coils. In order to reduce the iron in the eddy current and hysteresis loss, the core from the painted silicon steel sheet laminated; between the two coils there is no electrical connection, the coil by the insulated copper wire (or aluminum) A coil connected to the AC power supply is called the primary coil (or the original coil), and the other coil is called the secondary coil (or secondary coil). The actual transformer is very complicated, inevitably there is copper loss (coil resistance heating), iron loss (core fever) and magnetic flux leakage (by air closed magnetic induction line), etc., in order to simplify the discussion here only describes the ideal transformer. The ideal transformer is set up under the condition that the leakage flux is ignored and the resistance of the original and secondary coils is ignored. The loss of the core is ignored and the no-load current is ignored (the current in the secondary coil turns the original coil). For example, when the power transformer is running at full load (the secondary coil output rated power) is close to the ideal transformer situation.
Q:Transformer Lightning
Transformer by lightning over-voltage damage, usually the primary coil over-voltage burned one is short-circuit two open. Most of which is caused by the line called the induction mine (lightning) instantaneous damage, the shell (surface) no burn traces. Unless it is just in the transformer over the formation of direct lightning damage effect.       Transformer lightning is the most vulnerable to the transformer insulation problem, in fact, the structure of the transformer, insulation is a particularly important assessment factor. Transformer insulation damage, the other performance will be affected, including: three-phase voltage is not balanced, no load and load test pass. Detection method is usually: first with a shake table measured insulation resistance, in the measurement of the winding resistance, and finally can be hanging core to do no load test. You can gradually know what part of the lightning damage!

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