720MVA/550kV 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:

720MVA/550kV

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 720MVA/550kV 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 the 720MVA/550kV 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 the 720MVA/550kV 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:Will the installation of transformers, power supply bureau is how the charges?
Peak valley price, one day divided into several periods. Each local price is different, the specific local electricity price can call 95598 advice
Q:transformers 2?
No there is no trailer yet because there is no footage yet. The film is currently 'in production' and will hit cinemas next year. Look for a teaser soon enough.
Q:Funny scenes from Transformers?
I'll give you scene by scene from each movie that I can recall. I apologize for the lack of videolinks but I'll describe them as best as I can. Transformers: Bobby Bolivia (Bernie Mac) talks about his mom. Oh l love that woman if I had a rock I'd crack you in the head, b***h. Sam gets arrested and interrogated by the cops when Bumblebee runs off to communicate with the rest of the Autobots. What's this new thing they're on? Mojo? Ratchet sniffs the air when introduced to Sam and Mikaela. The boy's phermone levels suggest he wants to mate with the female. Mikaela makes Simmons take off his clothes. He has a Sector Seven t-shirt on underneath. Sam, Mikaela, Maggie, and Glen are flying to Hoover Dam. Rachel: So what did they get you for? Sam: I bought a car, and it turned out to be a giant alien robot. Who knew? Revenge of the Fallen Sam's mom and dad fooling around before their trip in front of Sam. Dad, this is not a rap video. Leo doing his funny dance while Burning Down the House is playing. Anything involving the Twins and Wheelie. Sam's mom. Oh, professor, I'd do anything for an A after eating a hash brownie (LOL! Funniest part of the movie). Simmons strips off his pants and shows he's wearing a Sector Seven cup underneath. Lennox tricks Director Galloway into parachuting off the airplane.
Q:Transformer sales channels
1. Power supply company tender 2. Cabinet manufacturers 3, the installation company 4, direct customers, to the planning bureau to find, in advance to know which new project 5, design institute, know some late 6. Power supply company front desk, people come to install more late
Q:Explain what a transformer does,why it is necessary,and why it works?
A transformer is a device that allows you to easily and efficiently convert an AC voltage to a different voltage. When you do this, the current is converted in the opposite ratio. For example, if you have a 100 volt 1 amp source and you convert it to a 1000 volt source, it will have capability of 0.1 amp. It is made by winding wires on iron cores. See the reference for details. It is very important for the transmission of AC power, as it can be changed to a very high voltage for efficient distance transmission, and back to low voltage for use in homes. .
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:Ohm's law and transformers?
Power stays constant on both sides. As P U*I, that means if one of either voltage or current increases, the other one must decrease. emf is basically voltage. The U R*I is also valid, but if the two coils have different number of turns, they also have different R values.
Q:Transformer charging
To the transformer charge, that is, to the transformer side of the side with the rated voltage, the second disconnect, run a certain time and then close the second switch, and gradually bring the load.
Q:Power Transformer help!?
If you assume no losses, the power remains constant. If the voltage is stepped up, the current is stepped down in the same ratio. The input current will depend on the output current drawn by the load. With a transformer stepping up 1:4, 25 volts becomes 100 volts and the current is determined by the resistance of the load. If you assume it to be 100 ohms, for example, the current will be 1 amp. This is reflected as a current of 4 amps at the input.
Q:What is the reactive power compensation of the transformer?
Transformer reactive power compensation is to compensate for the transformer to form the power required by the electromagnetic field, the reason why called reactive power, because it is only exchanged, not consumed. Reactive and active in fact have the same physical properties, in the transmission and use of the process is not part of what is active, that part is reactive. But they are different, there must be other forms of power to be able to transform, no power is not needed.

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