63MVA/220KV startup/standby transformer for factory

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Quick Details

Place of Origin: HeBeiBrand 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.

 

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Q:what is a stabilized transformer?
I'm only guessing that you may be reffering to a transformer that is equipped with taps on the windings that allow for +/- 10% votage changes on the secondary to maintain a fixed voltage when the input voltage (primary) varies or the load on the secondary varies. Thus stabilizing the voltage to the load. These are called TCUL (tap changeing under load) or LTC (load tap changing)-the more common term-transformers.
Q:Transformer or resistor?
No, you could die. Resistors do not increase voltage. Transformers do. However, you can also get high voltages via a Van de Graff generator, although a big one can still be dangerous.
Q:Step Down Voltage Transformer / Regulator?
Install a 125 volt 30 amp receptacle where the oven outlet is and rewire for a neutral in the breaker panel.
Q:Give me a detailed description of what happens in Transformers 1&2?
Transformers: Plot - Autobots and Decepticons travel to Earth to find the AllSpark, launched into space by Optimus Prime from Cybertron millions of years ago, and found by a team of scientists who kept it, and a frozen Megatron hidden underneath Hoover Dam for seventy years. The key to finding it rests with a teenage boy, Sam Witwicky. Character list (major players, for time's sake) Humans: Sam Witwicky, Mikaela Banes, Capt. William Lennox, TSgt. Robert Epps, Rachel, Special Agent Simmons, Secretary of Defense Keller * (deceased) Autobots: Optimus Prime, Jazz*, Bumblebee, Ironhide, Ratchet Decepticons: Megatron* (will return), Starscream, Barricade, Bonecrusher*, Blackout*, Scorponok, Frenzy* Transformers: Revenge of the Fallen Plot - The Fallen, a rogue Transformer and also a Prime, sets out with a revived Megatron to find the Matrix of Leadership in order to power the Sun Harvester, built thousands of years ago by the Dynasty of Primes in order to siphon a massive supply of energon from the sun. By turning this machine on, the sun will be totally drained of energy and turn Earth into a frozen wasteland. To succeed, the Decepticons must first kill the only one who can defeat the Fallen, Optimus Prime, and capture Sam, who unconsciously knows the way to the Matrix. Humans; Sam, Mikaela, Lennox, Epps, Graham (the British NEST soldier), General Morshower, Simmons, Leo, Director Galloway Autobots: Optimus Prime* (does return), Bumblebee, Ironhide, Jetfire*, Wheelie, Ratchet, Jolt, Elita-1, Arcee, Chromia, Mudflap, Skids, Sideswipe. Decepticons: The Fallen*, Megatron, Starscream, Grindor*, Sideways*, Ravage*, Devastator*, Rampage*, Pretender Alice*, Demolisher*, Soundwave, The Doctor, Scorponok*, numerous Decepticon soldiers.*
Q:100kVA above the transformer grounding resistance is how much
100kVA above the transformer grounding resistance should not exceed 10 Europe. Transformer (Transformer) is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. According to the purpose can be divided into: power transformers and special transformers (electric furnace change, rectifier, frequency test transformer, voltage regulator, mine transformer, audio transformers, IF transformers, high-frequency transformers, impact transformers, instrument transformers, electronic transformers , Reactors, transformers, etc.). Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on.
Q:What are the pins of a flyback transformer?
reference 1: The flyback circuit diagram calls for two sets of coils: a primary coil and a feedback coil. The turn ratio is really not that critical so usually ANY two coils in the flyback primary will work. Locate two sets of coils on the horse-shoe-like configured pins by testing the flyback pins for continuity. Often times there are more than two pins connected to a single coil in the transformer. You will need to try the different positions to see which configuration works better for your application. After you have located two independent sets of coils on your flyback, hook them up to the circuit with any polarity. If you turn on the power any you don't hear a whine or hum, try reversing the polarity (switch the leads) of ONE of the coils. If nothing now, reverse the polarity of the other coil. If nothing now, reverse the polarity on the first one you switched again. So the take home message is trial and error. Flybacks can be very picky as to coil polarity because some of them have a rectifier built in them. So try each configuration (8 of them with two sets of coils) until it whines (Occasionally I'll find one that doesn't wine but VERY rarely). Any two sets of coils in a potted flyback should work, so don't try new coils until you're sure you've exhausted all possible combinations. The high voltage will come out of the fat wire from the top of the flyback-usually connected to the CRT with a suction cup. You will not be able to locate the high voltage return pin with a multimeter. The only way to do it is to bring the high voltage line down to the pins and whichever one it arcs like mad to is the one yer looking for. Try to stay away from arcing to any of the pins used for coils. High voltage is not so good for your transistor or power supply. second reference has a lot of useful info plus photos. . .
Q:How the transformer is transformer
Transformer (Transformer) is the use of electromagnetic induction to change the principle of AC voltage. Transformer consists of iron core (or core) and coil, the coil has two or more than the winding, which connected to the power supply winding called the primary coil, the rest of the winding called secondary coil. It can transform AC voltage, current and impedance. The simplest core transformer consists of a core made of soft magnetic material and a coil of two turns on the core, as shown in the figure.
Q:Transformer charging
There is a megger, that is, shake the table, with a handle, used to measure the electrical insulation meet the requirements do not,
Q:Transformer Ratio Question?
you're on the outstanding song with the remark approximately ratios. yet another substantial ratio is the impedance ratio of a transformer, that's the sq. of the turns ratio. So, in case you have a prevalent with 12.6K and a secondary with 8.05, then you definately've an impedance ratio of (12600 / 8.05) 1565.2 and hence the turns ratio would desire to be the sq. root of this, or 39.fifty six. i think of that, given the above, you could decide section B now, outstanding?
Q:Ok I tried to make my own step up transformer that uses a pulsed DC current in the primary and it doesn't work?
I think your current detector was not good enough. Was it a bulb? It wouldn't supply enough current for one. I'd suggest you need a more sensitive indicator. What you should see is about 48V. AC on the secondary, plus some more due to the inductance of the primary. Your electrode you rub on the file must be very small, such as the end of a wire, to give an interruption. You could probably get an indication on a digital multimeter on an AC range. Just don't expect it to be an accurate reading. If you're game, you could hold one end of your secondary in your fingers, and touch the other end to your tongue, then do the file thing. But you might only want to try once! I often use my tongue for low voltage indications. But 48V. would be a bit much for me. Ouch!

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