Class 10KV S11-M series transformer

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Supply Capability:: 1000sets set/month

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Rated capacity (KVA)	Voltage			connection group tab	Loss		unload current(%)	resistant voltage	weight			Measure(MM)			Distance of Din rail
Rated capacity (KVA)	high-voltage(kv)	extend connection	low-voltage(kv)	connection group tab	unload	load	unload current(%)	resistant voltage	empty weight	oil weight	total weight	length(L)	width(W)	height(H)	cross(M)×length
30	6 6.3 10 10.5 11	±5% (±2×2.5%)	0.4	Yyn0	100	600	2.1	4	205	80	360	755	700	970	400×400
50					130	870	2.0		260	85	420	785	735	995	400×450
63					150	1040	1.9		325	110	535	1150	700	1130	400×450
80					180	1250	1.8		330	90	505	815	755	1035	400×450
100					200	1500	1.6		380	100	570	830	775	1040	400×450
125					240	1800	1.5		430	105	645	845	770	1100	400×550
160					280	2200	1.4		495	115	725	875	780	1115	550×550
200					340	2600	1.3		570	130	845	1160	740	1135	550×550
250					400	3050	1.2		670	150	1010	1270	840	1160	550×550
315					480	3650	1.1		785	165	1135	1220	775	1220	660×660
400					570	4300	1.0		935	190	1375	1350	895	1265	660×660
500					680	5150	1.0		1100	215	1580	1395	905	1325	660×660
630					810	6200	0.9		1315	250	1905	1465	980	1355	660×660
800					980	7500	0.8	4.5	1655	310	2360	1555	995	1465	820×820
1000					1150	10300	0.7		1835	355	2710	1715	1160	1525	820×820
1250					1360	12000	0.6		2185	410	3200	1790	1235	1585	820×820
1600					1640	14500	0.6		2490	500	3845	1830	1300	1670	820×820

Q: I have a bulb that currently uses a 120V primary to 6V secondary transformer. The load is a 30Watts. I would like to know what transformer I could use to power 8 bulbs (6v 30W each) ? Thanks. How can I calculate that?: Assuming you wire the bulbs in parallel. You need a similar transformer (6v secondary) but one that is rated at 240 watts (or a bit more), 40 amps. Note that the current will be 40 amps and will need quite a heavy wire, #4 or 5. You could also put the bulbs in series, and would need a 48 volt secondary, still at 240 watts. You would have problems of any series string, if one bulb goes out, they all go out. You can also use parallel series combos, 3 pairs, or 2 strings of 3 each as a compromise. edit. Later thought of another alternative that may help. Get a transformer with a 12vCT 240W secondary. Wire like you would 2 phase house wiring, 3 bulbs to each outside terminal, and all 6 to the CT. This means the wire only has to handle 20 amps and can be smaller, and you will not have the series string problem. 12VCT transformers are fairly common. Or if you can find it, and the wiring is still a problem, get a transformer with 2 secondaries each of 12VCT at 10 amps.

Q: SGB10 transformer and SC (B) 10 transformer What is the difference between the two series where the difference, specifically to the 10 type and where the hope that the knowledge of a detailed explanation Thank you: The first is a three-phase isolation low-pressure foil around the second is a three-phase dry low-pressure foil around the 10 type is the same as the performance code level is the loss level is almost. The first of the matrix is dry or oil immersion is necessary to see the kind.

Q: How to use a multimeter to determine the quality of small transformers: First with a multimeter resistance file RX1 or RX10 to test the transformer on both sides of the coil! Have to pass! Primary resistance large! Secondary resistance small! (Buck) And then test the first class! Can not pass! Basic determination is good! And then use the transformer at both ends of the primary coil to take the multimeter AC voltage 50-100 volts stalls! With a dry battery to touch the transformer secondary coil ends! At this point multimeter watch pin should have a strong swing! Induced current and mutual inductance voltage! This proves that the transformer all normal! No turn-to-turn short circuit!

Q: I am building a high voltage RF transformer and I'm wondering what considerations I need to take in order to build it correctly.The transformer primary will be powered by a 12V square wave signal around 5-20kHz. The secondary needs to put out at least 1kV at very low amperage (in the mA range, the lower the better).What considerations I need to take into account in building the transformer?Thanks for all the help!: Obviously, you need a turns ratio of 1000:12, or 83:1. Your power requirement is low (1000V x 1 mA 1 Watt). I've designed a lot of RF transformers. To me, the main consideration is operating frequency. Your magnetic core must perform well at your operating frequency. (The higher the reactance and the higher the Q, the better.) Core manufacturers provide that information on data sheets, and sometimes provide it by number of turns, which I really like. You can use that information to predict your no-load current. At high frequency, high-mu materials don't work well. At low frequency, you need high mu to get enough flux in the common magnetic circuit. At high frequency, you need fewer turns as well, and need to have a shorter magnetic circuit. You also need to be careful (especially at low frequency) to keep well away from saturation. If you saturate the core, your current spikes and the transformer no longer works. Be careful not to saturate the core with DC. How much magnetization (flux) it takes is measured in Webers or volt-seconds. At low frequency, you have a lot more volt-seconds. Wind the core carefully to make sure that as much flux as possible passes through all the linkages. Leakage inductance means you take more reactive power to get your output. Do your input and output need to be isolated? If not, you can use a tapped transformer. At 1kV output, dielectric breakdown is fairly easy to handle. Using standard magnet wire for the secondary should be fine.

Q: I read something somewhere once about using small mains transformers as substitute speaker transformers in valve circuits.Suppose I have a 6-0-6V transformer with a 240V primary. That gives a 20:1 turns ratio. So if the secondary is putting out Vs volts at Is amps into 8 ohms, then (neglecting losses) the primary will have 20*Vs volts across it and Is/20 amps through it. But we know that Is Vs / 8; so the primary will appear to have an impedance of (20 * Vs) / (Vs / 160) 3200 3.2k ohms.Am I thinking right? Or will the presence of DC in the primary ruin everything?I'm thinking of using an ECL82 (aka 6BM8) for my first project, as that has both a triode and a pentode with separate cathodes and seems to be available still. Is this a good choice?: you have 2 issues there. a million. Voltage; 2. Frequency. to that end, the two are against you. NZ has 50Hz mains frequency at 240V. in case you're relatively fortunate, the transformer could have twin windings on the universal, or a 220/240V. faucet. in case you do no longer understand what you're doing, seek for suggestion from an electrician or electronics tech. to have them examine regardless of if it relatively is twin voltage, and alter it. The frequency distinction can recommend incredibly much less performance, the transformer could get a sprint warmer in operation. even in spite of the shown fact that it may be high quality. you basically different thoughts are to alter the transformer (get one for twin voltages?), or use a 240/110V stepdown transformer earlier than it. The stepdown transformer could have a sufficient potential score for the interest.

Q: Find full load current of transformer. What do it mean by full load current? 100% efficiency, or maximum load in secondary winding?Let R1 32ohm, R20.05ohm, X1 45ohm, X2 0.06ohm.1 is in primary and 2 in secondary winding.R0250kohm, Xm 30kohm(R0 and Xm are the values refered to primary)How to calculate the full load current?: there are many criterion it is application dependant or power it is the load that causes a temperature rise that if loaded beyond it will cause failure of course it depends on the insulation material so a smaller transformer could have a much higher rating because it can stand more heat small electronic stuff will generally be when the transformer can no longer sustain the output voltage Anita

Q: Transformer winding maximum temperature at?: 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: 220 volts to 24 volts transformer 20a is how many watts: The basic number of watts is the secondary side voltage x current that is 24 x 20 = 480 W. In fact it should be said that the voltammetry (VA) Rigorous argument P = EI cosθ, where cosθ is the power factor, if the power factor of 0.85, then P = 24 X 20 X 0.85 = 408 watts.

Q: I broke a small transformer that I found inside of my DVD player, and I would like to have one (not for the DVD player, just separately) I would like the transformer to take in low voltage, such as a few AA or AAA batteries, and I want it to scale that up. Does anyone know where I can get one? If not are there any instructions on how to make an effective yet inexpensive one?Thanks in advance!: A transformer cannot step up or step down DC power. (All batteries are DC). That is part of their nature. A basic transformer is nothing more than two (or more) inductor coils in close proximity, often with a steel core to help with the magnetic fields. All inductor coils are basically a coil of conducting wire, most often copper.

Q: Hi, there is a utility pole in my lot and there is also a cylindrical shaped transformer hanging off of it. I did some research on it and it is used to step down the voltage from 7000 volts to 120 volts. Does the EMF (electromagnetic field) it generates pose any health threat to the household? Thanks-jj: No. The level of EMF is dependent on the current flowing through the wires. The higher the current, the higher the magnetic field. The strength of the EMF also decreases with distance. The pole is at the edge of your lot and the transformer is probably 20' in the air. In reality, high load appliances in your home are much closer to you and your family. The EMF fields measured next to a toaster, microwave oven, electric range, or electric blanket are far higher than you'll likely measure standing below the transformer. In October 2000, Discover magazine published a list of the 20 Greatest Engineering Blunders of the past twenty years. EMF made the list -- Below is the text and a link to the official article. Currents That Don't Kill: The Clinton administration estimates that American taxpayers have paid $25 billion to determine that power lines don't do anything more deadly than deliver power. In 1989, Paul Brodeur published a series of articles in The New Yorker raising the possibility of a link between electromagnetic fields and cancer. Eight years later, after several enormous epidemiological studies in Canada, Britain, and the United States, the danger was completely discounted. All known cancer-inducing agents act by breaking chemical bonds in DNA, says Robert Park. The amount of photon energy it takes is an ultraviolet wavelength. So any wavelength that is longer cannot break chemical bonds. Visible light does not cause cancer. Infrared light is still longer, radio waves longer still. Power-line fields are preposterous. The wavelength is in miles.

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