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

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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: 800KVA transformer itself is the loss of how much?: S9 type oil change 800kVA Calculation results: no-load loss 1400 watts load load loss of 7500 watts. Calculation formula of transformer loss (1) active loss: ΔP = P0 + KTβ2PK ------- (1) (2) Reactive power loss: ΔQ = Q0 + KTβ2QK ------- (2) (3) Integrated power loss: ΔPZ = ΔP + KQΔQ ---- (3) Q0 ≈ I0% SN, QK ≈UK% SN Where: Q0 - no load reactive power loss (kvar) P0 - No load loss (kW) PK - rated load loss (kW) SN - transformer rated capacity (kVA) I0% - transformer no-load current percentage. UK% - short circuit voltage percentage Β - average load factor KT - load fluctuation loss coefficient QK - rated load leakage power (kvar) KQ - Reactive power equivalent (kW / kvar) Selection of the parameters of the above formula: (1) take KT = 1.05; (2) The reactive power equivalent KQ = 0.1kW / kvar when the 6kV ~ 10kV step-down transformer of the urban power grid and industrial enterprise power grid adopts the minimum load, (3) the average load factor of the transformer, for agricultural transformer desirable β = 20%; for industrial enterprises, the implementation of three shifts, desirable β = 75%; (4) transformer operating hours T = 8760h, the maximum load loss hours: t = 5500h. (5) transformer no-load loss P0, rated load loss PK, I0%, UK%, see the transformer signs shown.

Q: Transformers have any way of cooling: According to the requirements of the transformer selection guide, the choice of cooling method is recommended as follows: 1, oil leaching from the cold ???31500kVA and below, 35kV and below products; ???50000kVA and below, 110kV products. 2, oil-immersed air-cooled ???12500kVA ~ 63000kVA, 35kV ~ 110kV products; ???75000kVA below, 110kV products; ???40000kVA and below, 220kV products. 3, forced oil circulation air-cooled ???50000 ~ 90000kVA, 220kV products. 4, forced oil circulation water cooling ???General hydropower plant up and down 220kV and above, 60MVA and above products used. 5, forced to guide the oil circulation air cooling or water cooling (ODAF or ODWF) ?????75000kVA and above, 110kV products; ???120000kVA and above, 220kV products; ???330kV level and 500kV grade products.

Q: Any help much appreciated here, I cannot understand the following formulas at all. If there is anyone who can please explain in very SIMPLE words I would be very grateful. My exam is next week and I am still stumped on the following.VP/VS NP/NS IS/IP ok this bit I understand, but then here are the QAs that don't make sense to me:Q1) A single phase transformer has 1250 primary turns and 200 secondary turns. Primary V I are 230V and 3A. What are the secondary V I?A) 1250/200 230/vs transpose too: VS 200 X 230/1250 36.8V Why has it been turned upside down?230/36.8 Is/3transpose too: Is 3 X 230/36.8 18.75A Why??The following Q I am even more stuck withQ2) Single phase transformer has a rating of 300/230V, 15KVA. What is the full load of primary and secondary?A)S VI Where did S come from?!Ip 1500/3300 4.55A KVA - is this taken as the V? Not I? Is that why Is 1500/230 65.22A it has been reversed? I'm very confused, please can someone help explain this process to me?: With good intention, I would criticize UR copying of Q2 :} From the primary (Ip) and secondary (Is) currents listed, this transformer's Voltages should have been: 3300V/230V at 15 KVA note the V(volts) after EACH of the two voltages separated by / and that the primary voltage must be 3300 V and not 300 V in order to agree with Ip Is. I don't know where S comes from, but V?I represents the power rating of a given coil (primary or secondary) in a transformer. If the voltage ratio is 3300/230 14.3478/1 then the current ratio must be the INVERSE 1/14.3478 in order that the power on each side (primary and secondary) is the SAME and equal to 15,000 KVA. {this math assumes 100% efficiency which is an IDEAL case for a transformer}

Q: i heard that there is a new transformers out and i do not know if it is good,so can you help?: Its a hella good movie! I loved it so much! I could watch it again and again. I really don;t get why people thought it was so bad. It was amazing. Seriously you should see it, you would never expect some things that happen and it keeps you interested the whole movie. It is also funny. I loved the first one, but the second blew it away! Go see it! Its worth the money!!

Q: As we switch off an appliance at home, the power supply is cut off.when we switch it on , the power is on.How does the transformer regulate /manage as per our requirement: 1. You haven't specified your requirement. 2. Transformers don't regulate. Regulate is the job of a voltage regulator chip, like the LM7805. 3. Transformers don't manage either. People manage. People can also program computers to manage switches. Transformers just sit there, waiting for a closed loop for current flow on both primary coil and secondary coil. When both loops are closed, energy is transferred from one coil to the other by magnetic induction. When either loop is open, current ceases in the open coil, but still creates an alternating magnetic field in the closed loop, if the closed loop is the primary.

Q: I have a 240 to 12 volt electronic transformer for each 50w halogen bulb. Trying to track down a fault, I tested the transformer with my multimeter - it showed 240v input but showed zero v output so I concluded that the transformer was faulty BUT when I plugged in a bulb it lit up normally. Can anyone explain ??: Different kind of voltage. Did you switch your multimeter to read DC voltage? Most lighting ballasts are ac output (like fluorescent or metal halide). In the case of mr16 50w light bulbs typically power is 12v dc output from either an electronic or magnetic transformer. Magnetic is heavy iron with copper wound like a typical door bell transformer. Electronic is smaller and lighter using circuit boards to convert the voltage. In both cases it will be DC. Something else to consider is worn contacts where the bulb connects. And m16 bulbs don't last very long. Oil from your hands will shorten their lifespan even more. Also poor heat dissipation through the fixture. I've worked with a lot of the types of fixture you're speaking of. (usually 4 recessed cans but also pendants and track fixtures)

Q: I know I'm defiantly getting Sleeping Dogs but should I get Just Cause 2 or the new Transformers game based on Generation 1: ^^^ I disagree, Just cause 2 is just a bunch of flying around with your unrealistic/infinate parachute while shooting people. (Not that transformers is realistic) but still. Just cause 2 will bore you to tears i kid you not.

Q: i have a flyback transformer that i want to make a tesla coil out of and i need a diagram for the wiring configuration.: The modern flyback transformer is also used to generate the DC operating voltage for the TV set. You have a lot more wires than you need to use. You need to get a copy of the wiring from someplace like a Sears repair shop and hope you don't have a built-in high speed diode and filter cap in the same package. The last thing you need is to try to run your Tesla coil from a DC source on the primary. I believe Ramsey electronics makes a package Tesla kit that runs off a flyback. Your coil will not produce a very large brush discharge but it should be a good demonstrater which will have a safe, low current spark.

Q: Is the secondary current rating of the transformer line current or phase current?: For star-wiring products, the line current = phase current For triangular wiring products, the rated current refers to the line current (phase to phase current)

Q: I really want the transformer but if i buy it i have to wait for shipping. But on the other hand if i buy either one i have to wait 2 weeks for the other.: WTF? KILLZONE 2!!!! IT ISN'T EVEN A CHOICE!!!!!!!

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