63MVA/220KV startup/standby 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:	63MVA/220KV
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 63MVA/220KV startup/standby 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 63MVA/220KV startup/standby 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 63MVA/220KV startup/standby 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:i have a bunch of transformers and they have the dates like i have optimus prime it says takara hasbro 1980-1982 and all the other toys say hasbro or takara! and most are made from 1982 -1985 also i have jet fire but the stamp doesn't say hasbro or takara but it does say bandai 1984!: i'll answer throughly. bandai is a japanese brand which produce toys. but you asked how do i tell if my transformers are G1 or real. you can tell by its looks. g1 models looks like a box (quite square in shape), but the latest 1 looks modern.

Q:I'm getting a transformers game and idk which one to get. Should I get Transfermors: WFC (War for cybertron) or Transfermors Dark of the moon? Which one is better?: DOM SUCKSSSSSSSSSSSS SO MUCH!!!

Q:Parallel can provide the total capacity is not the sum of the capacity of the two transformers, or how to calculate? What is the principle of allocation of load load, that is, how to allocate two transformer load capacity?: The total capacity of the two transformers in parallel is not a simple addition of the capacity of the two transformers. Even if the rated capacity of the two transformers is exactly the same, the impedance of the two transformers can not be exactly the same due to the existence of design / manufacturing errors. Based on the principle of the parallel circuit, the transformer with a small impedance will share a larger current, A transformer has been overloaded and another transformer is not yet fully loaded. Can be based on the measured value of two transformer impedance (on the nameplate). Calculate the transformer with a small impedance to reach full load, the load of another transformer, the sum of the two is the total capacity of the two transformers in parallel. In fact, the transformer capacity selection is usually about 25% greater than the actual load, so the reality is usually not a full load, while the other has been a serious overload situation.

Q:Can transformer be used to change direct current e.m.f? If not , why?: The normal one with coils can't do DC, but in college we build one that used magneto-hydrodynamic energy that did DC to DC. A closed circuit pipe filled with mercury. A large magnet on one side, an electric current passed through the mercury. The mercury is thus pumped around the circuit. At another magnet, electrodes take current out of the moving conductor (the mercury). Its DC to DC. Only useful in a college lab to prove a point, but the physics works.

Q:How to use the experimental method to determine the transformer iron consumption and copper consumption: Is it in the motor experiment? The power measured by the no-load experiment is iron loss, and the power measured by the short-circuit experiment is copper consumption.

Q:!!! I took a cardboard cylinder from a used firework, dug out all the crap, wrapped 160 turns of tinned copper wire on the outside tight and evenly so it is a beautiful solenoid, held it in place with 2 rubber bands. That was the secondary. Then I wrapped an insulated steel wire around a screwdriver shaft 10 times, stretched it out a little inserted a chopstick into this primary and inserted the chopstick into the firework. I then held it all in place with tissue paper and tape and wired the primary up to a pulsed DC circuit which was made of 3.0 volts wired to a steel file which I rubbed the electrode across. The secondary was wired to a current detector but I got no signal! Why is there zero inductance in my transformer and why is there no current at all? It can't even light up a small lightbulb!!: There is a little more to transformer design than this. Your secondary should have used insulated wire (varnished or enamel would do) as even one turn shorting will give problems. Also, you need to consider the magnetic circuit formed by the steel core. It is usual to use soft iron for this as otherwise the hysteresis will be too large. The entire magnetic flux needs to be concentrated into the secondary so you will need to consider the magnetic path. The transformer is essentially just two (or more) inductors, sharing a common magnetic path. Any two inductors placed reasonably close to each other will work as a transformer, and the more closely they are coupled magnetically, the more efficient they become.

Q:explain the role of both types of transformers in getting electric energy from an electric power plant (coal-fired, natural gas or nuclear) to our homes.: The voltage is transformed up to thousands of volts and low current for minimum heat loss in the wires. Then down to low voltage at high current to the neighbor hood.

Q:What is the rated current of the 80KVA transformer?: It depends on how much the rated voltage Formula 1.73X Line Voltage X-Ray Current = Total Power

Q:440 kv(Primary side) and then at the receving station its step down from 440kv(primary side of the step down transformer) 33 kv.in the tranmission line,between both the primary side of the transformers the voltage is 440kv.then how the power flows in tranmission lines?: Gawd I don't know where people go to school to make up rubbish about the power being too high for use in homes. Just get a few facts and make the rest up. Ok When electricity is generated in a central power station the electricity needs to be transmitted many miles. The most efficient way of doing this is to use as high a voltage as possible. So at the power station a transformer is used to convert the generated voltage into a high voltage for transmission. When the electricity arrives at the destination it is transformed back down to whatever voltage the end user requires. The reason for using the high transmission voltage is to reduce resistive losses in the cables. I'll give an example Suppose we need to go 100 miles and have a resistive load of 1 ohm/mile We need to deliver 1MW down to the end of the line and the end voltage required is 100V We'll ignore the voltage drop for the example, but you can do homework to take it into account. If we transmit at 100 volts then applying W VI we need I 10^6/10^2 10^4 amps We have 10 ohms in the transmission path so resistive losses are I^2 . R (10^4)^2 . 10 10^9 Watts That is one heck of a loss! Now, if we transmit as 100kV 10^5V then our current is now 10^6/10^5 10 amps Applying I^2 . R for our resistive losses we now get 10^2 . 10 10^3 watts You can see the VAST difference that stepping up the voltage for transmission does now for the transmission loss.

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: 1. jetfire is starfire in the original cartoons he was origanilly a decepticon but then became an autobot (cheap) 4. rachet came out atleast 3xs 6.they were funny 9. devastator is an real he is in the cartoons aswell but the constructicons were too many and one of them died in the 1st one it was bonecrusher 10.NO!! 11. soundwave dont confuse him with shockwave

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