40MVA/20kV split auxiliary transformer for factory

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 pc

Supply Capability:: 1 pc/month

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Quick Details

Place of Origin:	HeBei	Brand Name:	CNBM	Model Number:
Usage:	Power	Phase:		Coil Structure:	Toroidal
Coil Number:	3 Winding	Capacity:		Rated Voltage:	40MVA/20kV
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 the 40MVA/20kV split auxiliary transformer, and matches well with the transmission capacity of UHV lines, which has wide prospect of application. Because of its large capacity and large volume, the whole transportation weight with nitrogen is about 200-490 tons, and due to the restricted transport conditions, the transportation becomes the critical issue for application of the 40MVA/20kV split auxiliary transformer. In order to make the products applicable to any UHV substation in our country, the state grid of corporation of China set the "A study of easy-transport large capacity UHV 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 UHV 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 UHV transformer 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 UHV Transformer’s right at the first time once again filled the gap in the field of UHV transformer research after Chinese transformer industry overcame the difficulty of integral transport of the 40MVA/20kV split auxiliary transformer, 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 UHV construction application in our country, greatly improved the technical level and manufacturing ability of BTW in terms of UHV Transformer products.

Q:What is the transformer through the full and half through the problem, the definition of a little more, the best reference, or sent to my literature.: (3) split impedance: two short-circuit between the low-voltage winding impedance, that is, high-voltage winding open circuit, a low-voltage winding short circuit, another low-voltage winding power supply when the equivalent impedance. Where the reactance component is called split reactance.

Q:I want you guys to tell me if the movie transformers its a good movie or not? Why?Thanks, See Ya!: The Transformers was a marriage of two of the biggest Blockbuster Producers in the business today.Speilberg and Michael Bay (Bad Boys, Armageddon, The Rock)So expect Mind Blowing effects thanks to what Bay Brings to the table and Speilberg brings to the table a relentless perfectionist approach to all of his films.Having said this. If you are a die hard Transformers fan, you'll revel in homages paid to the original animated movie and TV series Optimus Prime's Voice is done by the same man who did the voice for the original character If your not a fan, you'll get a believeable display of vehicles shifting into 15-30 foot robots. The robot effects are stellarthe action sequences are dizzying they happen in rapid succession. The quirks in the characters are really what make the movie shine. From the military personel to Anthony Anderson's portrayal of a high strung, know-it-all hacker the characters really sell the drama. Shai plays his character to the hiltreally no suprise why he's Speilberg's next it boy. The chemistry between Him and Fox is realnot forced and contrived (see Affleck Tyler in Armageddon) There were scenes in which they made the Autobots (the good robots) Less than menacing trying to communicate with todays lingo/slang learned from the world wide webOne of the cleverist twists I think was the way they had Bumblebee communicate through song lyric via the radio Great Soundtrack.great acting (for the most part) If I were to rate Transformers on a scale from 1-10, I would give it 8.5. It does what it was meant to do very well.entertain. Worth the $20 to buy it or the $5 to rent it.watch it a couple time to catch all the little hidden twists and hits in the movie

Q:Hi, I need a High Frequency( example~200khz) High voltage(200 000v) power supply at low microcurrent, I know that a Tesla coil fits the bill very easily . But I need to manually VARY the frequency(say from 100khz to 200khz ) while keeping the High voltage the same? Is this possible, Can some one guide me where I can buy or build this? Can I just for instance connect just a van de graaf or a rectified Tesla Coil to a function generator? If not what do I need to do to achieve what I want? I have been searching without help so your support is much appreciatedThanks: The Tesla coil needs to operate at the same resonant frequency on both the primary and secondary sides of the loosely coupled transformer. The resonant frequency is set by the inductance and capacitance of each side. The problem is there are no high voltage solid state capacitors (varactor diodes like you see in r.f. receivers that adjust the tank circuit frequency) on the primary side, and no way to adjust the top hat toroid capacitor on the secondary side (unless maybe it was a mylar covered balloon with vacuum deposited aluminum that could be remotely inflated or deflated). So you are stuck with whatever high voltage capacitor and toroid top hat you have on hand, and the inductance of the coils you wind that ends up being the resonant frequency. Even then it takes a lot of fiddling to get both in tune to give the maximum voltage output. The input frequency to the primary coil (the 555 circuit used in the step up with the flyback transformer- its frequency was chosen solely due to the flyback's frequency design) has little to do with the primary's resonant frequency; again that is set by the capacitor used and the size and number of turns of the primary coil.

Q:About a month ago, i studied Ohm's law which said voltage is directly proportional to electric current. But today when i was studying about transformer, it said that if number of turns of the secondary coil is more than that of primary, then the induced voltage is higher than the primary voltage which was supplied and the current throught the secondary coil is less. How can this be? If voltage increases, current should also increase right? And what is the difference between emf and current?: The product of voltage and current should be equal,both in input and output less conversions loss.

Q:What does S11-M-500/10 transformer mean?: S represents three phases 11 design number M indicates sealing 500 indicates that the transformer capacity is 500KVA 10 indicates that the rated voltage of the transformer high voltage side is 10KV

Q:I bought a Neon Sign Transformer over OKorder and for a while it worked great. I used it to power a Jacobs Ladder (I wired the transformer straight to the Jacobs ladder). However, now the transformer will turn on the jacobs ladder but after a couple of seconds it will shut off and sometimes make a buzzing noise. What is wrong with it and how can I fix it?: It sounds like your transformer is shot and your chances of repairing it are pretty low. You may have been overloading it and burnt an internal connection. Do you have access to a good ohmmeter? Check the resistance, L1 to L2 and H1 to H2, preferably when it's warm like right after it's stopped working. The high side should be several times higher than the line side. Unless you are really sure you know what you are doing don't even try to repair it. The high side is putting out 8 to 10 KV and if your repair isn't up to it you can bet it will leave a mark.

Q:Transformer voltage ratio and current ratio.: In theory, the transformer voltage ratio is equal to the turns ratio, the current ratio is equal to the number of turns inversely proportional. There is actually a slight difference.

Q:I'm a good Transformers fan, but i've only really watched the more recent shows like armada, energon, etc. so i'm confused with some things in the new movie:1. Is Jetfire really supposed to be that old?2. Jetfire mentioned the Optimus must be the last decendent of the Primes? is Omega Prime one or no?3. When the Fallen appeared in the comic where he first showed up, did he have the same power over Megatron4. Did anyone else notice that Ratchet just showed up during the forest battle scene?5. Did Megatron transform into both the cybertronian tank and plane in the movie?6. Anyone else find the Twins insainly rascist?7. Is Wheelie supposed to be a small toy in the universe?8. Is the human changing robot really in the series or just the movie?9. Can Constructicons really morph with each other to make a giant?10. Is Starscream the one that eventually switches to the Autobots?11. Does the Decepticon attaching itself to the sattlelite have a name?Thank You for clearing things up: Well for twins no they were hilarious and a lot of people act like that so don't even say they're racist. Stop finding lame things to rip on.

Q:Can someone tell me what the tiny transformers are. I remember that they are somehow activated using some green energy device. I'm not even sure if that is it: It depends what you mean, do you mean from the original 80's show The Transformers or the later show Transformers: Energon, which was part of the Unicron trilogy. The only one I remember small transformers 'activating' in is the second one. If you meant the original, I'd assume you were talking about the cassettes, which Soundwave and Blaster had. They weren't activated with any sort of green device but they were smaller Cybertronians that transformed into tapes and were stored in their 'tape-master's chest. This would include Rumble, Ravage, Frenzy, Ratbat, Lazerbeak and several other with make small appearances (Decepticons). There was Ramhorn, Rewind, Eject and Steeljaw along with a few others. (Autobots) Picture: tfwiki /mediawiki/images2/0/07 Official name: Cassette Next is the Unicron trilogy. In this the main focus of the show was that apart from the Autobots and Decepticons there was another faction, the 'Mini-cons', which were small and powerless on their own, but they could be used as power-ups by the larger 'bots, so they were sent into deep space for their own protection. These ones were 'activated' as such in that they formed a sword or shield or similar that could only be used by a larger bot other than acting independently as a small Cybertronian. They shared a lot of the same names as the 1980's continuity characters, but these are the ones I was talking about, they're about the size of a human. Picture: tfwiki /mediawiki/images2/2/2e Official name: Mini-con

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