• SVC-D LCD Series Fully Automatic A.C. Voltage Regulator System 1
SVC-D LCD Series Fully Automatic A.C. Voltage Regulator

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

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Shanghai
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TT OR LC
Min Order Qty:
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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.


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%


Q:Rated capacity of three-phase transformer S = √3 * U * I
S is the total capacity of the three phases, is the apparent power, the unit is KVA. The sum of the three phases is equal to the sum of the three single-phase capacities, ie S = 3UI where U is the phase voltage and I is the phase current. If the line voltage line current, then S = √3UI This is because when the winding is triangular connected, the line voltage is equal to the phase voltage, the phase current is equal to 1 / √3 times the line current, 3 / √3 = Similarly, when the star is connected, the phase current is equal to the line current, the phase voltage is equal to 1 / √3 times the line voltage, the same 3 / √3 =
Q:I am a young electrical engineer and need to review the basics of transformer saturation: conceptually as well as the mathematics and theory behind it.
The flux density in a transformer core is limited in the case of iron alloys to an absolute maximum at about 1.5tesla(15000gauss).(for most small transformers 10,000 gauss is the norm) So the design criterion is based on the formula:- V(rms) (4.44*B*N*F*A)/ 10^8 Where B is the peak flux density(in gauss), N is the total of conductor turns on the core,f is frequency,A is core cross section in square cm. If this is adhered to the no load current in the primary coil will be limited to about 0.5 amperes per Kg of core.If the core peak flux exceeds this only slightly the no load current climbs very rapidly because the iron reluctance cannot grow and so the air flux must grow hugely(meaning that the primary current rises rapidly until it melts or the fuse melts)
Q:How is the insulation of the transformer divided?
Transformer insulation can be divided into internal insulation and external insulation, the insulation is part of the tank insulation, external insulation is the upper part of the casing and the insulation between each other.
Q:After the calculation, due to the different cooling, the current density is different, I finished a winding section 96.5mm ?, secondary winding section 1562.5mm ? What are the specifications of the copper row? Another request for a transformer copper specifications table.
Answer: no love language, all the text is boring.
Q:how many primes are there in transformers?
G1 (comic cartoon) Prima - first Transformer w/Matrix The Fallen (formerly Megatronus Prime) Primon - unofficial Matrix holder Prime Nova Sentinel Prime Optimus Prime Rodimus Prime Beast Wars (not Primes per se, but variants of) Optimus Primal Lio Primal Big Convoy Robots in Disguise Alpha Trion Optimus Prime Unicron Trilogy Vector Prime Optimus Prime Animated Ultra Magnus (formerly Ultra Prime) Longarm Prime Sentinel Prime Optimus Prime War For Cybertron/Transformers Prime Zeta Prime Optimus Prime Movie Dynasty of Primes (names unknown) The Fallen (formerly Megatronus Prime) Sentinel Prime Optimus Prime IDW Nova Prime Zeta Prime/Sentinel Prime Optimus Prime Edit: technically there are more but to mention them all would be a mess, Prime in Transformers typically means Matrix holding Autobot Leader, or original child of their god Primus, and I only bothered to mention them. Omega Prime is a temporary transformation, not a full-on character, and Nemesis Prime was once Optimus Prime from another reality which is why I didn't list him. Shattered Glass and Primal Prime are fan creations. Generation 2 Optimus btw is the Same character from G1. I know what I'm doing (It was only fair to mention the Beast War Primals because they were Maximal leaders, not Prime elects)
Q:I need to know how and auto transformer works and how i can get 240 with it thanks in advance and if theres a website thats explains transformers that would be great (: thnx again !!
An autotransformer (sometimes called autoformer)[1] is an electrical transformer with only one winding. The winding has at least three electrical connection points called taps. The voltage source and the load are each connected to two taps. One tap at the end of the winding is a common connection to both circuits (source and load). Each tap corresponds to a different source or load voltage. In an autotransformer a portion of the same winding acts as part of both the primary and secondary winding. Operation he ratio of secondary to primary voltages is equal to the ratio of the number of turns of the winding they connect to. For example, connecting at the middle and bottom of the autotransformer will halve the voltage. Depending on the application, that portion of the winding used solely in the higher-voltage (lower current) portion may be wound with wire of a smaller gauge, though the entire winding is directly connected.
Q:Can someone all the Transformers stuff? I mean, I see a lot of stuff about 'G1' and 'G2' and I think I heard something about their being TONS and TONS of different storylines for it.Will someone name each storyline, and what G1 and G2 is, and please tell me the official canon usage?
I'd like someone to explain these dumb Action movies to me too!!! :
Q:Transformer tap adjustment there are several ways? What are the advantages and disadvantages?
1, no excitation adjustment or no taps. 2, with taps. Their advantages and disadvantages are as follows: 1, no taps: taps when the transformer must be shut down after the power, the advantages of safe and reliable, but the disadvantage is to adjust inconvenient, and often because the tap position can not meet the needs of less. 2, with taps Advantages: easy to adjust, do not have to turn off the transformer power can be adjusted, and the general tap position more easily meet the requirements. Disadvantages: due to load adjustment prone to problems, high cost, compared with the same capacity transformer volume, taps device maintenance needs a long time to blackout.
Q:Rules for the operation of cooling devices for oil - cooled transformers
C, work or auxiliary cooler failure after removal, should be automatically put into the standby cooler; ?D, strong oil circulation cooling transformer operation, must be put into the cooler, no load and light load should not put too much cooler (no-load state to allow short-term cast). All the load into the corresponding number of coolers should be in accordance with the provisions of the manufacturer, according to the temperature and load switching cooler automatic device should be kept normal.
Q:Here I am building prototype transformers for testing, using 1 ft length aluminum conductors of 1/2 by 1/2 inch width square conductors. I am structuring the (aluminum square tube)windings(connected at corners by ordinary round copper wire) in return layer diagonals, ( the pattern set by odd magic square sequences) to establish maximum internal capacity in the windings. If the current in the windings is opposite between every internal lateral square facing, most of the external field around the windings is cancelled, but internally between the windings the magnetic loops will be in unison. I therefore wish to put insulated steel tube sleeves around the internal aluminum loops of the wiring array, for a very unconventional honeycomb type core transformer. I should be able to measure for eddy current output on any steel sleeve by shorting the ends of the outside steel segment with an amperage meter. A conv. secondary will also need copper loops wound lengthwise around the steel.
An AC transformer connects AmpereTurns in the Primary to AmpereTurns in the Secondary using the time varying magnetic field in the core. The maths for the size of the core is well established. If you double back on turns they do not count as part of your ampereturns - unless you shield the doubled bit. Such methods are used in shaded pole motors. The only way to lighten the Tx is to use higher frequencies in the core. This 'dumps' the magnetic energy into the secondary more often so you can use a smaller core (bucket of energy!) The magnetic field is always perpendicular to the current and hence so are the core loops (in a Vector Notation sense - not necessarily physically) If you introduce Iron windings in the windings space you will get bigger Ohmic Losses. I hope this helps - you obviously have a plan to make hyper-efficient Tx but they are already near 0.999 efficiency.

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