SBH16-M-D Type Amporphous Metal Underground Distribution Transformer

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SBH16-M-D Type Amporphous Metal Underground Distribution Transformer

Q: Can a electrical transformer have more the 1 input, while only having 1 output so that the power is combined into the 1 output,or would multiple inputs make the power feed back onto the other inputs and overload them.: I think what you're talking about is a 3 winding (or higher) transformer. A 3 winding transformer is just like a regular 2 winding transformer except you have another set of windings on a common core. With this you can provide step down from say 13.8 and provide secondary voltages at 480 and 2400V. Utilities sometimes use them as well when connecting different systems that have slightly different voltage ratings. Just so long as the transformer is protected properly and the transformer is loaded within its ratings there will be no problems. The company I work for has a portable transformer used to provide temporary loads when we do substation replacements or for emergencies. It has a 13.8kV primary and 4160/2400V and 480V secondary. One real consideration with a 3 winding transformer is the extra fault current that is available. There will be contributions from all 3 windings.

Q: If a transformer rating 240vac 50hz being supplied by a source 240vac 60hz,will it get hotter than by 240vac 50hz source?: Hard to say. higher frequency lower magnetization current lower copper losses but higher magnetic losses. It depends on specific construction of the transformer. Roughly I'd say no significant change in heat dissipation.

Q: i need to have an immediate answer (solution to this) thanks:Determine the transformer bridge rectifier and filter capacitorspecifications/values required to produced an output current of 3A and a nominaloutput voltage of 17VDC with a ripple voltage of 2 Vpp. Assume a line voltage(from Meralco) of 220VAC, and that the design is to use a center-tappedtransformer.2. Given the characteristics of the raw DC supply just designed, determine thecomponent values of a transistor regulator circuit (based on “Simple TransistorVoltage Regulator Circuit” from the CCS1: If you are to use a center-tapped transformer, you don't need a bridge rectifier; a pair of diodes will do the job. The output voltage will need to be about 13.5 vrms each side of the center tap; this will deliver 19 volts p-p, the rectifier will eat 0.75 volts, the ripple will amount to one more, and you'll have your 17 vDC. Since the filter capacitor will be working into a load of 17/3 ohms, and the voltage decay is to be no more than 2/17 of the output, you can use the exponential decay equation to figure the necessary time constant, and use the load resistance to get the capacitance. (You can punch a calculator as well as I can.) 2: The regulator transistor will be burning five volts at three amps, or 15 watts dissipation. A TO-3 may be satisfactory in this application, but it will be a close call. The rest of the component values can be determined using Ohm's law.

Q: I need to get a transformer that produces 12 watts. Problem is that I burned out the previous 2 I had with my hot wire cutter. I have a couple of 9 watt and 3 watt transformers. Is there anyway I can combine them together so that I can produce the desired 12 watts. I was thinking about rectifying to DC. Then putting the power sources in parallel to power my hot wire cutter. Is this a good idea or is there another way to do it.: It is difficult! (not economical) Transformers work in both directions, it can source and sink. Only transformers designed for series or parallel connections will do! They have to be matched. For your application you need to get the proper transformer. Proper voltage and current rating that is. Hope this properly answers your question Guru

Q: I know that vector groups basically determine the phase shift, and paralleling two transformers with different phase shifts is a genuine disaster.Some phase shifts can occur due to difference in the dot place, but for Wye-Delta connection the phase shift is 30 degree even with same dot on the primary and secondary. Why ?: Transformer Phase Shift

Q: I saw the first one, thought it was great, and the second one was even better. But are they planning on making another one? If so, do you know what its going to be about?IMO, i think it should be about Unicron, yes that would be kool haha.: hey, they announced transformers 3 before transformers 2 came to theatres

Q: 800kw motor how much transformer: Transformer power factor is generally 0.8 (also 0.7), then the total power transformer = 800 / 0.8 = 1000KW. According to the "Power Engineering Design Manual", the transformer capacity, for a simple load of a single transformer, the load rate is generally about 85%, so the above example, the transformer capacity = 1000/85% = 1176KVA, select 1176KVA above capacity transformer. If it is a single motor, due to the starting current, even if the measures taken, but also increase the corresponding transformer capacity. If the three-phase imbalance, but also a corresponding increase in transformer capacity.

Q: How to test the transformer capacity: If the temperature rise of a transformer is less than 55 degrees, it can be considered to achieve the design capacity. ? As the temperature rise test time is long, the customer can not track the whole process, some bad transformer manufacturers in which mischief, cut corners, made the transformer can not reach the design capacity.

Q: around the house. Im looking for a step up transformer to handle 1.5VAC-18VAC with a ratio of 1:10 or 1:20. Which household objects would contain this??: The voltage makes no difference to the transformer but only current the ratio. There are buck boost transfromers that can be bought with only a few dollars that will give you the AC voltage you want. The schemetic is difficult to read with a buck boost transformer but if you know basic electronics then it will be a snap after you sat and thought about it.

Q: I wa watching the films and was wondering how the transformers just spawn more and more. For example soundwave made the panther thing then it made the thin robot and all those construction guys too, then they made the huge robot with the balls.: It's all science fiction.

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