40MVA/220KV startup/standby OLTC transformer

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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/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 40MVA/220KV startup/standby OLTC transformer, 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 200-490 tons, and due to the restricted transport conditions, the transportation becomes the critical issue for application of the 40MVA/220KV startup/standby OLTC transformer. 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 OLTC 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 OLTCTransformer’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 40MVA/220KV startup/standby OLTC 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 OLTC Transformer products.

Q:What is an isolated ring transformer?: Isolated ring-type transformer is mainly focused on its insulation performance, between the primary and secondary must have a double insulation, so that the isolation of its own high efficiency, effective protection of equipment safety.

Q:BQ: Which director do you like more: Michael Bay or Steven Spielberg?BQ2: Are you excited about Transformers 3 or worried that it can be not good?thanks :)))) lt;3: Indiana Jones. I think it is more adventurous and entertaining. I don't really know Michael Bay's work, but Steven Spielberg is a little to creepy in his films for me. Personally, I've never seen any of the Transformers.

Q:SGB10 transformer and SC (B) 10 transformer What is the difference between the two series where the difference, specifically to the 10 type and where the hope that the knowledge of a detailed explanation Thank you: The first is a three-phase isolation low-pressure foil around the second is a three-phase dry low-pressure foil around the 10 type is the same as the performance code level is the loss level is almost. The first of the matrix is dry or oil immersion is necessary to see the kind.

Q:150KVA transformer can withstand much power, how to calculate: 150KVA transformer load capacity is (150 * cosa) KW cosa is the load power factor

Q:dear sircan you please tell me the different Between the indoorr and outdoor distributionn transformer 11kv in applications and designwith our best regards: To be honest, I don't believe that's correct

Q:Where is the transformer used?: Transformers are suitable for applications where the voltage level is to be changed Need to change the impedance to match the front and rear impedance of the occasion It is necessary to increase the current supply as a booster

Q:Transformer voltage range of 10.5 ± 2 * 2.5% kV and 10.5 ± 5% kV What is the difference: 10 kV supply voltage is generally 10 ~ 10.7 kV, a long time too high voltage will cause the transformer insulation overheating, shorten the service life. 10.5 ± 2 * 2.5% kV range is 10.25 ~ 10.75 kV, 10.5 ± 5% kV 10.5 ± 5% kV 10 ~ 11 kV, the general power supply voltage is also the highest in 10.7KV, if the end of the line, with the The transmission line will gradually decay, if the end of 10.7, then the export of the transformer I am afraid to smoke, so we generally master substation bus voltage in 10.4 ~ 10.6

Q:Hello. I am setting up a 70 volt sound system. It is primarily outdoors, so I have weatherproof horn speakers. I have a 120 watt 70v amp. I also have a 70v 15 watt step down transformer. Now, I want to run 2 horns running at 15 watts rms at 8 ohms on one 15 watt step down transformer. I was wondering, is this safe? I know it works, because I have tried it. But, can it run long term and can this hurt the amp?: I don't think the person doing the first answer understands the open voltage PA type system that you are describing (and I just barely do) but the intention is that you basically can plug in the correctly equipped speakers just like we plug in appliances on a 120 volt line. I don't think what you are describing with the step down transformers works quite the way you say either unless you want lower volume in a specific area.

Q:50kva transformer price: 2, Transformer (Transformer) is the use of electromagnetic induction to change the principle of AC voltage 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:how low voltage smelting transformer can be modified to a higher voltage to be used in ferronickel production: You need to provide more information about the original use of the transformer. Nickel smelting is a very specialized application that calls for a 'submerged arc'. Basically, the arc is fairly short and will essentially be submerged in a layer of slag on top of the molten material. It is a semi-continuous process in that periodically, some of molten nickel is poured off. The stream of molten nickel is blasted with water that causes the nickel to solidify into small pellets. Steel melting furnaces, by contrast, involve a much longer arc. The slag layer in the furnace is much thinner, and much of the arc is above the slag. It is a batch process in that once the 'campaign' has been completed, the entire melt is 'tapped' - poured into a tundish either to be cast into ingots or to feed a continuous casting process to make billets, slabs or even plates. There are other smelting processes for other materials - for example, silicon is produced via a smelting process. I would guess that if the voltage requirements of the nickel smelting process are different from the requirements of the original utilization, then it would be necessary that the transformer be redesigned and rewound - something that I would not expect to be very practical.

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