250MVA/220kV 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:	250MVA/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 250MVA/220kV 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 250MVA/220kV 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 250MVA/220kV 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:Hello friendsi need transformer for my project (regulated power supply) i need 220 50hz ac input and 3 volt 50hz out put ac voltage is this possible.what is wattage of that rating transformer?thanks a lot: Watts rating of the transformer depends on the load. If you have a 10 amp load, for example, that is 10x3 30 watts, so you need a transformer a bit larger than that, say 35 or 40 watts. PS, you will probably not be able to find this transformer available. You may have to settle for a higher voltage, say 5 or 6 volts and reduce it by some other means, or by rewiring the transformer. .

Q:the use of autotransformers is strictly prohibited.: Autotransformer A set of coils, which have a tap, can not achieve isolation. Or two sets of coils are attached.

Q:I have been reading about pulse transformers and i am curious if there exists a pulse transformer that would take 1 pulse/second or even less and convert to very low voltage high current. If not, would it be possible to make one? Any info is very appreciated! Thx!: Pulse transformers can be wound to any turns ratio that is desired. That being said pulse transformers have small cores and therefore handle small amounts of power. You can find cores on those old mother boards that are no longer in service and junk computer power supplies also have a couple of cores. These toroids were normally used as filter inductors to remove spikes from DC or low frequency lines. You can easily rewind them for pulse transformers.

Q:Which is good for the transformer?: and other electrical equipment. Product design novel, small size, handsome in appearance, with low loss, low noise, impact resistance and so on. Widely used in industrial and mining enterprises, textile machinery, printing and packaging, petrochemical, schools, shopping malls, elevators, post and telecommunications, medical machinery and other needs of the normal voltage guarantee occasions.

Q:How can we figure out which side of transformer is primary which one is secondary by measuring resistance ? I know that the side where input or supply is provided called primary from where the output is collected is called secondary side in both step-up step down transformersAnd, how can we troubleshoot a bad or a good transformer by measuring its resistance on both sides i.e. primary side secondary side ?thanks: While you can try measuring winding resistance on both the primary and secondary sides of a transformer with a digital voltmeter or an older volt ohm meter, the value is so low a fraction of an ohm most meters can't measure it correctly. What you can do is look for different wire sizes, the step down transformer will have larger diameter wires on the secondary side of the transformer ( smaller AWG) than on the primary side (larger AWG). A step up transformer will have larger diameter wires (smaller AWG) on the primary than the secondary. Again it is almost impossible to use an ohm meter to determine if either the primary or secondary winding is shorted. This is most likely found by applying power to an unloaded transformer and measuring the excessive current draw.

Q:I know there was Transformers the animated series, Transformers cybertron, and Transformers energon, but were there any more?: Transformers Generation 1 (G1) Transformers Generation 2 (G2) Transformers: The Headmasters (made in Japan) Transformers Super God Masterforce (made in Japan) Transformers: Victory (made in Japan) Transformers: Zone (made in Japan as one-shot OVA) Beast Wars: Transformers* Beast Machines* Beast Wars II (Japan only) Beast Wars Neo (Japan only) Transformers Robots in Disguise (Car Robots in Japanese version)** Transformers Armada (Micron Legend in Japanese version)* Transformers Energon (Superlink in Japanese version)** Transformers Cybertron (Galaxy Force in Japanese version)* Transformers Animated** Transformers Prime * Ones I've seen and completed in English version (though I saw Beast Wars/Machines in another language). **I've seen them in English version, but dropped them after a few episodes. All others I've only heard of them. I think these are it. Hope I didn't miss anythough I think there are some old Transformers movies (I don't mean live action ones), but I don't know how many are there, as I never seen the old Transformers series.

Q:I want to make a simple flyback transformer driver. I have a flyback transformer of samsung CRT monitor. Can anyone give me a complete design of flyback transformer's pin. What are the required components. Please give answer in detail.: submit a schematic and a few concepts on the transformer. Circuits with transformers continuously have some inductive power that could desire to be dissipated whilst the transistor(s) turn off. this could reason extreme voltage spikes which could unquestionably injury a transistor (whether the case isn't warm). you may desire to guard in comparison. A 2N3055 is an quite sluggish gadget and not very proper for top velocity switching.

Q:i want to know what you think transformers 3 will be about i think unicron will want to eat cybrotron and decticons and autobots work to get her to protect cybertron: not really didnt megatron destroy cybertron so they might protect earth plus the autobots dont have a way to get there

Q:Three-phase three-winding transformer high-pressure medium-pressure low pressure is what it means: Hello! Transformer high voltage, medium pressure, low voltage, respectively, refers to the three groups of winding (rated) voltage level. For example: 220kV voltage level of the transformer: the 220kV high voltage side, 110kV pressure side, 10kV low voltage side of the three groups of voltage levels of the composition. Depending on the needs of the manufacturer, manufacturers may also be required to produce windings for other voltage classes. Such as: by the 220kV high voltage side, 35kV in the pressure side, 10kV low voltage side of the three groups of voltage levels of the composition. 500kV voltage level of the transformer: generally by the 500kV high voltage side, 220kV medium voltage side, 35kV low voltage side of the three groups of the composition of the voltage level winding.

Q:I am looking for a transformer with an output of 6 volts, and 1.8 amps, or any transformer that can run that cycle. Please, let me know. I've been looking for months now, and cannot find anything. Please help. Where would I buy it? Lowes?: If you don't find it you have got to make it. This is a common transformer. Probably you are finding difficulty with it's current rating.

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