370MVA/236kV main transformer power plant

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Quick Details

Place of Origin: HeBeiBrand Name:

CNBM

Model Number:

 

Usage:

Power

Phase:

one

Coil Structure:

Toroidal

Coil Number:

2 Winding

Capacity: Rated Voltage:

370MVA/236kV

Connection Symbol:

YNd11 Dyn11 YNyn0d11

Tank:

Cover type or Bell type

OLTC:

MR or ABB or SMS

Packaging & Delivery

Packaging Detail:Mainbody --naked Disassembled parts -- crate
Delivery Detail:3 months

Specifications

 

1. CESI certificate
2. High short-circuit withstand
3. Low loss, PD and noise
4. CTQC certificate
5. No leakage

 

 Description

 

The application of 370MVA/236kV main transformer power plant can significantly improve the economy of the OLTC substation, and matches well with the transmission capacity of OLTC lines, which has wide prospect of application. Because of its large capacity and large volume, the whole transportation weight with nitrogen is about 470-490 tons, and due to the restricted transport conditions, the transportation becomes the critical issue for 370MVA/236kV main transformer power plant. In order to make the products applicable to any OLTC substation in our country, the state grid of corporation of China set the "A study of easy-transport large capacity OLTC Transformer” as a key scientific research projects, and entrusted BTW to carry out the research.

During the process of research and development, BTW adopted the advanced design technology and modular design, the transformer can be transported disassembly and with advantages of compact core and winding body, less transportation weight and low transportation cost, effectively solves the need of OLTC construction in the transportation restricted areas. By using the most advanced 3D magnetic field calculation software, BTW performed detailed analysis and calculation for the magnetic flux leakage and eddy current loss of the transformer coil, iron core and oil tank steel structures. Besides, by using of the advanced electric field calculation software, BTW performed detailed analysis and calculation of main longitudinal insulation, and mastered the arrangement of the main longitudinal insulation of large capacity OLTCtransformer and the control of distribution of winding magnetic flux leakage. All of which make the products with low loss, low noise, small volume, strong anti short circuit ability, no local overheating and other significant advantages, and guarantee the long-term safe and stable operation.

The world's first on-site assembled large capacity OLTC Transformer’s right at the first time once again filled the gap in the field of OLTC transformer research after Chinese transformer industry overcame the difficulty of integral transport of 370MVA/236kV main transformer power plant, which marks BTW has fully occupied the world transformer industry technical peak. The successful development of the product filled the gaps in the domestic technology and met the urgent need of OLTCconstruction application in our country, greatly improved the technical level and manufacturing ability of BTW in terms of OLTC Transformer products.

 

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Q:is pole mounted transformer emf harmful?
None at all 7,000 Volts is extremely small and EMF probable could not be detected from the ground But real High tension wires (350,000 V) or the lines carrying the main electricity for distribution to big areas would be a problem.
Q:Transformer alone as an audio amplifier ?
Transformers are AC (alternate current) devices and if 60 Hz is supplied to the primary windings 60 Hz will be produced at the secondary terminal. The transformers transform voltage and current at the primary to voltage and current at the secondary by magnetizing a mass of iron in their cores. The magnetic cores may not respond efficiently to very high frequencies (transmission frequencies) but might respond to audio frequencies (loud speakers employ magnets and coils of wire). If a suitable audio signal was applied to the primary coil a transformer might be used to step up or step down the voltage of the supplied signal while reversing its phase, however power (P EI) would remain nearly constant.
Q:flyback transformer?
You can but you'll just blow up. That is if your not planning to kill yourself. What sort of a project is this. You must state specifically what is your main aim is here.
Q:Why do I want Masterpiece Transformers so badly?!?
As long as it doesn't interfere with the important things in life, I don't see anything wrong with recapturing some of your youth with the toys you once loved. I mean, you (and I) *are* the target audience for the Masterpiece Transformers--at $100-$200 a pop, with fairly complicated transformations, and specifically designed to look like the G1 cartoon versions of the characters, these Transformers aren't for today's kids, they're for us '80s kids who now have disposable income and will spend the money for the definitive version of the G1 characters we grew up with. That's why we want them--they're made for us to want. :D Every guy has a hobby (and probably more than just one). Collecting fancy Transformers really isn't that different from, say, souping up cars, or putting together a home theater, or collecting Blu-rays, or whatever else guys our age are into. And besides, if you get over your Transformers bug, you can always sell or pass on your collection to someone else. Over the years I've picked up the Masterpiece versions of Optimus Prime, Megatron, Starscream, and Grimlock, and more recently I've sold off all of them except Optimus (yeah, I'm going to hang on to him); even though they were all loose, I actually wound up selling them for more than I paid for them new (that's how prized some of these Masterpieces are).
Q:Question about Transformers comics?
transformers are crap why do you read them?!?!?!?!?!?!
Q:Transformer in Consumer Electronics?
You are right. The value of a coil is measured in Henries and is determined by number of turns, size of wire, type of wire (commonly copper or aluminum). That is the reason you should not leave adapters and chargers plugged in. When not in use they should always be un plugged from power source.
Q:Where can I find a replacement power transformer for my crate gt80 guitar amplifier?
First, what you need to know is the secondary voltages of the transformer you wish to replace. A part number is nice, but tells you very little, unless you have a book on hand, and usually, these numbers are only for that product line (in house) part numbers. I can tell you where to go to find a power x-fmr. but will need to know: How many watts will said amplifire send to the speakers, how many wires come off of the secondary, and how big is it? If you can get a schematic drawing of your amplifire with power transformer output voltages, I can tell you exactly where to get a transformer from. Feel free to e-me. Why did it fail? Are you sure that the power transformer is bad? There may be other issues, here. I rarely see a transformer go bad under normal use. If the fuse blows, replace it with a 1/2 amp larger than it calls for. If it calls for a 2 amp fuse, try a 2.5 amp fuse. If it still blows, try a 3. if it still blows, you may have a short in the power output section of your amp. I don't normally recommend that higher fuse ratings should be used, but that is what I would do if I was working on it. You may find other issues besides the power transformer. If you have voltage going into (the primary) and no voltage on the secondary at all, then you might have a transformer that has a thermal cutoff unit that is hooked up in series with the primary windings protecting the transformer from over heating. This has been known to happen, and can be easily repaired, if you have the right tools, a soldering iron, and a lot of patience. I can walk you through it.
Q:Help with Physics Transformers?
As that of primary:100.
Q:KW how to know how much transformer?
Transformer is rated by the kilovolt, is the apparent power, know the kilowatts, with the kilowatts divided by 0.8 is KVA, should stay a certain margin, preferably 20% of the amount. for your reference.
Q:transformers ending?
I think he says they lost a great warrior. The Autobots stay on Earth and will try to live peacefully among humans. Sam and Michaela end up together. They also leave it open for a sequel because one of the bad robots (the tiny one that tried to break into the government's system before the Australian girl caught him) escapes back to his home planet. Presumably to bring back more of the bad Transformers. I have read that they plan to begin shooting the sequel soon - will possibly be out in the summer of 2010.

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