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

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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.


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:In the transformer load calculation to be calculated when the fire pump
The fire pump is not included in the normal operation of the transformer load, because when the fire pump is running, but also when the fire, the other load had to stop. The usual fire pump test check, the pump start running time is very short, the transformer allows a short time overload.
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:How many transformers are used in a hundred households?
In accordance with the current design standards, high-end community, each household 30kW; mid-range community, each household 15kW; ordinary community, each household 6kW.
Q:Who knows the density of the transformer oil is how much?
25 # transformer oil: 895kg / m3 877.6kg / m3 45 # transformer oil: 895kg / m3 879.0kg / m3
Q:What are the serious consequences of transformer circulation?
Two parallel transformer transformer ratio is not equal, the two transformers due to the same phase between the phase difference generated by the circulation, the size of the flow of two transformers to determine the size of the difference, according to the magnetic potential balance, although the two transformers Side of the same power supply, but due to the secondary side of the pressure cycle, two transformers will also produce a circulation at the same time.
Q:Is the upper oil temperature of the transformer high or lower?
The upper oil temperature of the transformer is high, because the quality of the hot oil is light and floats to the upper part of the transformer tank and enters the cooler. After cooling with the exchange of the outside air, the weight becomes heavy at the bottom of the transformer to cool the transformer heating element
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:Can the transformer oil be used as a lubricant?
Can not! Two kinds of oil indicators out of the thousands of miles out! According to you say with the line also do more money to prepare for the machine! Oh! Looking for compressor oil, general 13 # compressor oil and 19 # Compressor oil! 13 with dilute words on the 19 # must be no problem!
Q:Single bus sub-section for power distribution, transformer with a prepared and dual-use how to understand
One with a preparation: a transformer to run, another cold standby. Dual use: two transformers are running, each other hot standby.
Q:Where is the transformer used?
Transformers are suitable for applications where the voltage level is to be changed Need to change the impedance to match the front and rear impedance of the occasion It is necessary to increase the current supply as a booster

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