SVC Automatic Voltage Stabilizer

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

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Supply Capability:: 10000pcs pc/month

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1.Application
SVC automatic voltage stabilizer consists of contact voltage regulator,sampling control cir-cuit and servomotor as well.It has excellent features,such as small waveform distortion,highefficiency,high power factor,free from the effect or frequency variation of supply.It can bewidely used in most situations where the voltage stabilization is required.
2. Specification

Input voltage	150V-250V
Output voltage	220V±3%, 110V±3%
Frequency	50H/60Hz
Response time	<1sec.(against 10% input voltage deviation)
Efficiency	>90%
Ambient temperature	-10^oC~±40^oC
Relative humidity	<90%
Waveform distortion	Non-lack fidelity waveform
Power factor cos∮	0.8
Insutalion resistance	>5MΩ

3. Outline and packing

Type	Outline(cm)			Weight(Kg)	Qty/CTN
Type	L	W	H	Weight(Kg)	Qty/CTN
SVC-500VA	18.5	15	12.5	17	4PCS
SVC-1000VA	21	18	14.5	20	4PCS
SVC-1500VA	21	18	14.5	25	4PCS
SVC-2000VA	27.5	23.5	18.5	7.8	1PC
SVC-3000VA	29	23	22	9.8	1PC
SVC-5000VA	45	24	18.5	14	1PC
SVC-7500VA	47	26	22	19.5	1PC
SVC-10000VA	47	26	22	24.5	1PC
SVC-15000VA	42	38	73	35	1PC
SVC-20000VA	42	38	73	68.5	1PC
SVC-30000VA	42	38	83	80	1PC
SVC-5000VA	28	30	46	19	1PC (Cabinet)
SVC-10000VA	44	32	56	31	1PC (Cabinet)

Q: I have a 120v-36v transformer hooked up to a bridge rectifier composed of 4x IN4004 diodes, 2 filter capacitors and a 100k resistor paralleling them as a bleeder resistor. The rectifier puts out the full 50v DC I expect it to, but at the same time the transformer faintly vibrates (you can only really tell if you touch it), and over time it gets quite hot. Why is this? I have checked over my connections quite a few times and I am 99.9% sure its all connected properly.: The transformer may be vibrating because the winding inside have loosened up and vibrating due to the varying magnetic field. But it is quite possible it may have a shorted winding this will definitely make it heat up and vibrate. Disconnect the filter capacitors and plug it back in if the transformer stops vibrating and/ or the transformer doesn't overheat you have a leaky filter capacitor.

Q: Transformer fever how to do?: ???National standard (oil-immersed transformer) the top of the oil temperature is generally adjusted at 85 ℃, if more than 85 ℃, to analyze the reasons: 1, if it is because the room temperature is too high, heavy load and other slowly rising, you can continue to run more than 85 ℃, but The maximum temperature can not exceed 95 ℃ (when the transformer core core or winding is 105 ℃, will seriously damage the insulation, shorten the life or burn the transformer); 2, the transformer running at 85 ℃, the transformer oil temperature and room temperature difference can not exceed 55 ℃, if it is over, may be a serious overload, the voltage is too low, the current is too large, internal failure, etc., continue to run will seriously damage the insulation, shorten the life or burn the transformer.

Q: If the primary circuit of a transformer is connected to a power source and the secondary circuit has a light bulb, will the light bulb turn on and stay on when the power source is turned on? Or will it turn on for a few seconds and then turn off?This question's been bugging me because I think because transformers are usually wired through AC that the bulb would only turn on for a few seconds and then turn off, but then shouldn't current be constantly flowing so it would stay on?Thanks for and clarifications.: Umm, is the power source AC or DC? You are right, transformers usually use AC. Is it not using AC in this example? You didn't say. If it's using AC, the light bulb will stay on. The current actually switches on and off, but so fast you don't see it. Well, normally, for household 60Hz AC power. But who knows with this mystery power source. It could be 1Hz AC. If it's using DC, then it will come on for a short time (a few seconds? I don't know). Yes, current is continually flowing through the primary circuit, but after a while no current will be flowing through the secondary circuit where the light bulb is connected. It takes change in current in the primary circuit to induce a current in the secondary circuit.

Q: 1.Is there going to be a Season 4?2.If there isn't,then is there going to be a new Transformers series?: So far the answer is no it could change, if there is o news at botcon then expect it almost dead.

Q: When the transformer voltage is a rated voltage, the secondary voltage in the end is how to change with the load, what is the basis for the theory of the way you ask you about the inrush: 2 excitation current characteristics When closing the circuit breaker to charge the transformer, sometimes you can see the transformer ammeter pointer put great, and then quickly return to the normal no-load current value, the impact current is usually called the inrush current, features are as follows: 1) The inrush current contains high-order harmonic components (mainly secondary and tertiary harmonics), so the variation of the inrush current is a steep wave. 2) The attenuation constant of the inrush current is related to the saturation of the core. The deeper the saturation, the smaller the reactance and the faster the attenuation. Therefore, at the beginning of the moment decay quickly, then gradually slow down, after 0.5 ~ 1s after its value does not exceed (0.25 ~ 0.5) In. 3) Under normal circumstances, the greater the capacity of the transformer, the longer the duration of attenuation, but the general trend is the inrush current decay rate is often slower than the short-circuit current attenuation. 4) The value of the inrush current is very large, the maximum rated current of 8 to 10 times. When setting up a circuit breaker to control a transformer, the quick break can be set according to the transformer excitation current.

Q: I would like to input DC9V voltage into 12V, 15V multi-channel, how to do the details of the master: Switching power supply is the use of modern power electronics technology to control the switch on and off the time ratio, to maintain a stable output voltage of a power supply, switching power supply generally by the pulse width modulation (PWM) control IC and MOSFET composition. With the power electronics technology development and innovation, making switching power supply technology is constantly innovating. At present, the switching power supply to small, lightweight and efficient features are widely used almost all of the electronic equipment, electronic information industry is the rapid development of an indispensable power supply.

Q: 50KVA transformer each phase current maximum band: Normal current does not exceed 72A per phase current. Of course, in the event of an accident or to strengthen the transformer cooling can be short-term overload operation.

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: How do I choose a transformer? The: According to the nature and size of the load to determine the capacity of the transformer. The ratio is selected according to the supply voltage and the voltage required for the load.

Q: I fried a transformer in my lathe. I went to the electrical supply near my house and the got me a new transformer and said it will work. The old transformer is 3 times bigger. they are both 100VA. the voltage on the original is 230v in and 100v out. It powers the on/off switches for the forward/ reverse micro switches. from the micro switch it powers the magnetic puill in for the contactors. The contactor say 100V.will using a 110v transformer cause and problems or issues?Should I return the one I purchased and order a 100V ?I have work piled up and waiting and really need this lathe operational ASAP.Thank You in advance for any information.Earle: Since they are both 100 VA units, capacity seems to be OK. The voltage however should be checked further. For example, you say the unit you removed was 230 volts in and 100 volts out. This is a ratio of 230/100 2.3 to 1. Thus if you have 230 volts on the high side of the transformer, you will get 100 volts on the low side of the transformer. If the new unit you purchased is 230 volts in and 110 volts out then the ratio is 230/110 2.09 to one. So if you have 230 volts on the high side you get 110 volts on the low side. However, I suspect the new transformer is rated as 240 volts high side and 110 volts low side for a ratio of 240/110 2.18 to one. So f the input is 230 volts you will get 105.4 volts on the output. Thus the increase of the output may only be 5 volts, not 10 volts. Bottom line is that the new transformer will work just fine either way. Over-voltages due to switching surges may be ignored as most designs have already taken that into account with voltage variations of +/- 10% normally. Hope this helps, Newton1Law

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