400MVA/220kV main transformer power plant

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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:	one	Coil Structure:	Toroidal
Coil Number:	2 Winding	Capacity:		Rated Voltage:	400MVA/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 400MVA/220kVmain 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 400MVA/220kV 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 400MVA/220kV 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.

Q: Transformer fever how to do?: ?Equivalent aging principle is the transformer in the part of the running time of the winding temperature is lower than 95 ℃ or underload, then in another part of the time can make the winding temperature higher than 95 ℃ or overload, as long as the overload time more than the life of life is equal to Transformers in the under-load time less loss of life, both offset each other, it can still maintain a normal life. ????Transformer insulation aging six degrees principle: ????When the transformer winding insulation temperature in the range of 80 ~ 130 ℃, the temperature rise of 6 ℃, the insulation aging rate will be doubled, that is, the temperature rise of 6 ℃, the insulation life is reduced by 1/2, which is insulation aging "Six Degrees".

Q: Rectifier and rectifier transformer: 1) rectifier transformer is the rectifier device power transformer. Rectifier equipment is characterized by the original input current, and vice president through the rectifier output after the original DC. Converter is rectifier, countercurrent and frequency conversion of the three working methods in general, rectification is one of the most widely used. Transformer used as rectifier power supply is called rectifier transformer. Industrial rectifier DC power supply is mostly by the AC power grid through the rectifier transformer and rectifier equipment and get. The application of rectification change the most chemical industry. Simply talk about the industrial high-power DC power supply. Civil rectifier transformers are commonly referred to as power adapters, transformers, power converters. 2) rectifier (English: rectifier) ??is the exchange of alternating current into direct current devices, can be used for power supply devices and detect radio signals. Rectifier can be vacuum tube, ignition tube, semiconductor diodes, SCR, mercury arc and so on. Generally do not contain voltage transformers. Refers to a wider range. Basically most of the electronic products are in use. 3) folk often put the ballast as "rectifier", inductance ballast is a core inductance coil, rectifier is a rectifier device.

Q: What are the technical parameters of the transformer?: C, rated current (A): transformer in the rated capacity, allowing long-term through the current. D, no load loss (kW): when the rated frequency of the rated voltage applied to the end of a winding, the other winding open when the active power. And the core silicon steel sheet performance and manufacturing process, and the applied voltage. E, no-load current (%): When the transformer in the rated voltage under the secondary side of the load, the current through a winding, generally expressed as a percentage of the rated current. F, load loss (kW): the transformer secondary winding short circuit, in a winding rated tap position into the rated current, then the power consumption of the transformer. G, the impedance voltage (%): the secondary winding of the transformer short circuit, in a winding slowly increase the voltage, when the secondary winding short-circuit current equal to the rated value, then the voltage applied once the general. As a percentage. H, the number of phases and frequency: three-phase beginning to S said, single-phase start with D said. China's national standard frequency f is 50Hz. Foreign countries have 60Hz (such as the United States).

Q: I have a 240v-5v transformer for recharging, and it makes an annoying very high-pitched squeaking noise. What causes the noise?: SQUEEK? That sounds like a high (audio) frequency oscillator. So this sounds like a pulsed regulator, not like a transformer-type power supply. I would guess that your unit is measuring the battery voltage, then applying a pulse of power to charge the battery, then checking the voltage again in a continuous sequence. This would be a switching type charger. 5 Volts - sounds like a personal electronics unit, for instance a cell phone or personal entertainment. Right? 240 Volts - Sounds like Europe. Right? (In America it would either be 120 Volts or some switching supplies are designed to operate from 90 to 250 Volts.)

Q: I need to know how and auto transformer works and how i can get 240 with it thanks in advance and if theres a website thats explains transformers that would be great (: thnx again !!: An okorder

Q: HiCan anybody help with the below question?A 400V, 3 phase supply is connected through a 3 phase loss-free transformer of ratio 1:1, which has its primary connected in mesh and secondary in star, to a load comprising three 20 ohm resistors connected in deltaCalculate the currents in the transformer windings, in the resistors and in the lines to the supply and the load. Find also the total power supplied and the power dissipated by each resistor.Thanks in advance: the only reason that i will think of is is an electric powered gadget is that it does paintings, It consumes power (losses) and it particularly is hooked as much as the provision?? besides the indisputable fact that I too have in no way heard if them being spoke of as a gadget in 40 4 years interior the commerce

Q: How was the video game Transformers: Dark of the Moon?: I didn't like it.

Q: Here I am building prototype transformers for testing, using 1 ft length aluminum conductors of 1/2 by 1/2 inch width square conductors. I am structuring the (aluminum square tube)windings(connected at corners by ordinary round copper wire) in return layer diagonals, ( the pattern set by odd magic square sequences) to establish maximum internal capacity in the windings. If the current in the windings is opposite between every internal lateral square facing, most of the external field around the windings is cancelled, but internally between the windings the magnetic loops will be in unison. I therefore wish to put insulated steel tube sleeves around the internal aluminum loops of the wiring array, for a very unconventional honeycomb type core transformer. I should be able to measure for eddy current output on any steel sleeve by shorting the ends of the outside steel segment with an amperage meter. A conv. secondary will also need copper loops wound lengthwise around the steel.: An AC transformer connects AmpereTurns in the Primary to AmpereTurns in the Secondary using the time varying magnetic field in the core. The maths for the size of the core is well established. If you double back on turns they do not count as part of your ampereturns - unless you shield the doubled bit. Such methods are used in shaded pole motors. The only way to lighten the Tx is to use higher frequencies in the core. This 'dumps' the magnetic energy into the secondary more often so you can use a smaller core (bucket of energy!) The magnetic field is always perpendicular to the current and hence so are the core loops (in a Vector Notation sense - not necessarily physically) If you introduce Iron windings in the windings space you will get bigger Ohmic Losses. I hope this helps - you obviously have a plan to make hyper-efficient Tx but they are already near 0.999 efficiency.

Q: I am building a simple circuit and was wondering what is the difference between a coil and a transformer? Also, in my circuit I have a generator. My generator is made up of a coil and magnets. I would like to know do the amount of turns my coil is determine the power of the generator? When I select the gage wire I am going to use we that determine the amount of volts and current I can gain from my generator?: A transformer is used to transfer power and either step up or step down the voltages. Hence for this purpose, the mutual inductance must be very high. The leakage inductance needs to be minimum. Thats why iron core is used. A Coil is a conductor generally wrapped in a helicoidal form by certain number of turns.

Q: I have two-way transformer (120Vlt;240V) that has a surge capacity of 2000W and a continuous capacity of 1600W. The transformer is plugged into my wall socket and is, on its output side, attached to a power surge protector that leads to six separate sockets. There are periods where not all six sockets are in use - in this specific case, the only appliance is a 50W fan - and my question is, does the transformer still eat 1600W off my meter and waste most of it as heat, or is it nice and intakes maybe only 60W and inefficiently converts it to the required 50W? If the company/model comes into question, I can only say the transformer is of Taiwan origin - the company logo is a 'Z' with small D intersecting the two parallel lines of the former letter, all against a blue background - and has a model number of TC-2000. Many thanks.: the thought is sure and NO. sure, by way of fact a transformers considerable coil has a undeniable resistance. Wattage used is a function of voltage cases modern-day. on the grounds which you recognize the enter voltage is a hundred and twenty V, in case you are able to degree the coil resistance you are able to calculate the present used. Multiply modern-day cases voltage and you get wattage. although, the character of a transformer is extra desirable than basically a trouble-free function of Ohm's regulation which you would be able to seem up on the internet. there is yet another function of a transformer that could desire to be further into the equation, and that i'm not an authority on that. although, this extra ingredient is talked approximately as Inductance. that rather skill that reckoning on the burden of the output, the enter wattage will replace, however not heavily. Suffice is to assert that a transformer it is plugged into the wall yet isn't working something DOES proceed to apply power. you are able to tell this by way of fact the transformer would be warmer than if it weren't plugged in in any respect. this is going on on the grounds which you're changing electric powered modern-day into warmth - you're making use of electricity. on your case, making use of a decrease wattage bulb (this difficulty LED) you will use much less power, yet will in no way be saving a form of electricity. If going green is the objective, you would be extra valuable off making use of a hundred and twenty v LED lights OR a low voltage device it is designed around using LED. to easily set up LED will consequence in little or no decrease fee rates at an exceedingly huge fee. LED lights isn't decrease priced. solid success. :)

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