Cast Resin Transformers from SGB

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Why cast resin transformers made by us?


The range of SGB-SMIT cast resin transformers includes power ratings up to 25 MVA and rated

insulation voltages up to 36 kV as well as converter, distribution and special transformers. With its

over 30 years of experience in the construction of cast resin transformers, SGB-SMIT‘s scope of

special expertise is one of the largest world-wide, a fact which is reflected by the extremely high

quality level such as our MTBF (mean time between failures) of over 2,400 years.

Thanks to their special design, SGB-SMIT cast resin transformers offer a range of features which, on

the one hand, distinguish them from other cast resin transformers in terms of technology and, on the

other hand, make them a highly reliable and extremely safe solution.



The operative benefits for you, our customer, are the following:

• Thanks to the multi-layer winding principle, high surge voltages and switching

voltages are handled safely.

• Cooling ducts provide thermal reserves and allow for overload.

• The use of glass-fibre reinforced plastics (GFK) in the encapsulated windings

provides resistance to temperature shocks.

• Long service lives are ensured.



With production starting in the late 1970‘s, SGB-SMIT were one of the first manufacturers of cast

resin transformers, thus we are able to offer our customers the benefit of our extensive experience

and know how. This extraordinary know-how is reflected by a especially high quality score, e.g. an

MTBF of over 2,400 years.

It goes without saying that SGB-SMIT cast resin transformers meet all the established

quality conditions: Fire classification F1 • Environmental class E2 • Climate classification C2

And as a matter of course, the product sector Cast-Resin Transformers at SGB-SMIT has been

certified according to ISO 9001 and ISO 14001.

The extremely high quality of SGB-SMIT cast resin transformers has a name: Uni|Q.

Uni|Q is synonymous with the special quality and test features which make our cast resin

transformers so unique:

• Several Decades of Experience

· Comprehensive operating experience world-wide including international production sites

· First-class international references in all sectors

· Ample know-how and long-term experience in the field of onshore wind power plants

including special cooling systems: Jet System

· Transformer system tailored to open sea conditions for offshore wind power plants with many

years of operating experience: Safe-System

· Optimum solutions for all industrial applications with extreme climate conditions – no matter

whether extremely hot or cold: All Climate Safe System

• Unique design

· The multi-layer winding is electrically the best and most reliable option. Thus, almost all oil

distribution transformer manufacturers apply this principle. Millions of these have been

securing the energy supply in many countries for several decades world-wide. SGB-SMIT is the

only manufacturer of cast resin transformers who uses this principle!

• Computerised monitoring of the production process

· Based on a precise analysis according to

automotive standards, all relevant production

parameters of each transformer are recorded

continuously and compared online to the

set-point values. The next production step

only follows if everything is found to be correct.

· This system makes it possible to achieve a

uniform level of quality over large production

quantities at all locations of the SGB-SMIT

Group on an international basis



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Q:How come water shorts things out?
Water is actually a pretty good insulator. The water molecules themselves don't conduct electricity very well at all. Water is conductive when there are substances dissolved in the water which dissociate into ions. It's the ions which actually do the conducting. If you placed pure water on electrical equipment, you would get wet electronic equipment, with little chance for shorting out. It would actually depend on the voltages in the electron equipment. But keep in mind that pure what does contain some ions. First there is the autoionization of water to make H+ and OH-. Secondly pure water has a pH of around 5.5 to 6 due to the absorption of CO2 from the air. This will result in H+ and HCO3- ions. So pure water is not ion-free and will conduct electricity if the voltage is high enough.
Q:50 Hz and 60 Hz electronic devices?
When traveling between countries, there are 3 considerations for electronic/electrical equipment. The plug The voltage The frequency Adapter plugs and voltage converters are easily available, either separately or as part of a kit. There are no frequency adapters. But that's not a problem. Frequency is only a consideration if you're operating motor-driven equipment, such as fans, compressors, vacuum cleaners, etc. Motor speed is dependent upon frquency and lower frequency causes them to run slower and build up more heat, eventually burning out. Your hair dryer, shaver, electric toothbrush, etc, is not so subject to damage because the motor is small and you only use it for short periods on occasional durations. Back to your computer; most electronic equipment must be supplied with AC power, but that power is converted inside the device by its power supply to a DC voltage. Such is the case with your computer. Even the motors, such as fans and drives, inside your computer are DC driven. Power supplies don't care about the difference between 50 - 60 hz and simply converts either one to 0 hz. Bottom line is that you do not have to worry about frequency for your computer in Europe. It's quite likely, though, that must make sure that you have the voltage converter OR that your computer is switchable for different countries.
Q:Hp photosmart powercable has plastic notch on it, can it be shaven off and still work?
It's hard to say. Electrical equipment and parts are made for a specific reasons. Now, if you modify the power cable, it's possible that it may work. But, then again, there is also the possibility that it could do more damage than good. It will totally be your call.
Q:Electrical or Mechanical Engineering?
Electrical engineering. I don't know a lot about Wyoming but I know a lot about electrical engineering . EE is one of the largest branch of engineering majors and you can change your field of job whenever you want.
Q:What will happen to electrical equipment during the once in a generation solar storm NASA predicts?
No, they estimated image voltaic maximum, which takes place each 11 years, so it somewhat is not annoying to do. it is going to top in 2013 and reason a sprint radio static, and worse-case knock out some satellites that are no longer hardened sufficient against it. Mass chaos? i do no longer think of so. We survived the final one, it variety of feels.
Q:How will I use an equipment which works at 110 V to work at 220 V?
There are some things that Radio Shack is good for. Converters for foreign travel is one of them. You'll need an adapter for the different plug configuration AND you'll need a voltage converter. Both are also available as a package. And a lot cheaper, cleaner, and more reliable than trying to build your own.
Q:What's involved in becoming a part-time electrician?
yes you would need to be someones apprentice
Q:What degree should I have where I get to fixing electrical equipment like a Xbox or Playstation?
None, depending on how or where you work. If you work for yourself you don't need any degree at all. You need to be an electronics service engineer. You have to be able to do the job. That's more important than having a piece of paper that says you got good grades and showed up or class. (I would argue this is true for most fields) You can get a degree in electronics engineering at many schools. It would be very helpful to find work at a company specializing in service of these things. Nobody repairs cell phones, it just isn't worth doing.
Q:school video help on electrical safety?
1. Don't overload receptacles with too many plugs. 2. Don't cut up extension cords to make them work on equipment they shouldn't. (for example - Don't cut a standard extension cord plug end off, and splice it with a printer power cord, if the plug end of the printer is still good, but the wire is bad. - The cable you splice may not be rated high enough to handle the amperage of the printer) 3. Make sure electrical items aren't in areas they can get wet - A leaky roof, dripping onto a light fixture. 4. Don't run power cords across the path of forklifts, or other vehicles unless they are rated to be able to withstand that kind of traffic. 5. Make sure a qualified electrician does electrical installations - Things can get wired incorrectly and short out, spark, or catch fire if wired wrong. 6. Always use wire nuts, and/or electrical (rubber) tape when applicable when connecting wires together - this prevents loose connections, and prevents arcing or sparks from the live wires touching metal objects or each other. 7. When digging in the ground more than 12 deep, make sure you call the electric and gas companies first - Usually electrical and gas lines (water lines sometimes too) are about 18 below the surface. If you cut or break these, you can potentially be killed if you come in contact with the electrical lines, because the voltage outside of your home or building is considerably higher than the voltage wired indoors. Hope these help!
Q:What does an electrical engineer do?
Engineering is all pretty much the same, regardless of what one builds. Consider mechanical engineering. One can either build cars or fix cars. Being able to design engines takes a master's degree at least. Fixing cars can be something done with a trade school Associates degree. This is basically the difference between electricians and electrical engineers. Obviously there are many more jobs for the electricians. There is commercial contracting or residential service or any combination of the two. Of course, you will spend your career wiring circuit breakers and very little else. To get an idea of what an actual electrical design engineer does, take apart anything electrical. All those little chips are entire circuit boards. The little metal legs are power inputs and signal inputs/outputs. Larger circuits are built up from the chips. One has to be able to read the data sheet on the chip and then be able to build a circuit around it. This is far more complicated than replacing blown fuses and explains why design engineers need masters degrees or (preferably) PHD's. If you like building things and are comitted enough to endure the many semesters of math and physics required (besides the electrical engineering itself) then design engineering is going to be both enjoyable and very profitable. Of course, becomming a technician first and then furthering one's education is another route to becomming an actual designer. Remember, besides science, economics is also an issue and education is incredibly expensive in America because people refuse to fund affordable public education with tax increases.

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