250MVA/220kV standby transformer for factory
- 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: Audio output transformer
- no. there is no such thing as a generic output transformer, each is sized according to power handling and specific tube/transistor characteristics. some even have additional windings to facilitate inverse feedback, gain leveling, or similar circuits. historically, tube power amps were designed according to the transformer selected because that affects many design parameters. considering the pervasiveness of transistor amp designs that do not use an output transformer, you would be hard pressed to find one in most toys or other electronics.
- Q: I noticed that I haven't seen a female transformers, which leads to two possibilities, they were gay or asexual.
- The Transformers franchise isn't without its female Transformers Ever since the first cartoon there have been female Transformers. An entire episode was dedicated to them in Season two of of the 80's cartoon. And the most famous female autobot is Arcee. The Decepticons also have females, too. And as for being gay I have yet to see a homosexual couple in Transformers outside of the Yaoi the fangirls like to make.
- Q: i heard that there is a new transformers out and i do not know if it is good,so can you help?
- Transformers: Revenge of the Fallen is pretty much a remake of the first movie, for all intents. Shia LaBeouf's Sam and Megan Fox's Mikaela are on the run from evil Transformers for two and a half hours. The good Transformers, led by Optimus Prime, are again out to defend them and all humans from Megatron, and his new master, The Fallen. The Transformers reviews for the first movie weren't that great, but they were about down the middle. That is extremely rare for a Michael Bay film, as he hadn't come close to getting half-positive reviews for his movies since The Rock in 1996. Armageddon, Pearl Harbor, Bad Boys II and The Island had helped make Bay the anti-Christ for critics. The first Transformers let Bay off the hook a bit - especially since he introduced Megan Fox to the world. But Transformers 2 reviews are back to slamming Bay as the devil. The expected complaints in Transformers: Revenge of the Fallen reviews are that it is empty, hollow, an assault on the senseless, and brainless. That's no surprise - but many a review also calls Transformers 2 even more brainless than usual, and even downright racism with a couple of ethic stereotype robots. Pretty much no review has anything to praise Transformers 2 for except the technology and robot battles. Since they are even bigger than ever, and will be viewed on IMAX, that's more than enough for Revenge of the Fallen.
- Q: Transformer cooling method AN stands for what
- The cooling mode of the transformer is determined by the cooling medium and the circulation method. Since the oil-immersed transformer is also divided into the internal cooling mode of the tank and the external cooling mode of the tank, the cooling mode of the oil-immersed transformer is represented by four letters. ? The first letter: the cooling medium in contact with the winding. O -------- mineral oil or ignition of more than 300 ℃ of insulating liquid; K -------- Insulation liquid with ignition point greater than 300 ℃; L -------- ignition can not be measured insulation liquid; ? The second letter: the way the internal cooling medium is circulated. N -------- The oil flow flowing through the cooling equipment and the windings is a natural thermal convection cycle; F -------- The oil flow in the cooling equipment is forced to circulate and the oil flow flowing through the windings is the thermal convection cycle; D -------- The oil flow in the cooling equipment is forced to circulate, at least in the main winding oil flow is forced to guide the cycle; ? Third letter: external cooling medium. A -------- air; W -------- water; ? The fourth letter: the way the external cooling medium is circulated. N -------- natural convection; F -------- Forced circulation (fan, pump, etc.). ? Therefore, the transformer cooling method AN represents the air convection cooling method.
- Q: I own a 1973 house and want to do a little remodeling. It has a 25foot hallway with 3 (old fashioned) ceiling lights that I want to replace with recessed lights. I went into the attic to look over things - looks like each e-box is made of bakelite which makes sense due to its age, attached to a rafter. However, there appears to be a transformer with what looks like low voltage wires -redwhite- on top of the box.Can a qualified electrician please tell me what this is and do I need to worry about it when I retrofit to recessed cans?
- That is probably the transformer to your door bell.
- Q: As the title reads, Simply put: How did the original transformers series end? Aswell, how did some of the others, such as armada, energon, and cybertron end?
- I don't know
- Q: I use a 1000 watt transformer for my tv, dvd player, cd player, game cube and nintendo (only 2 can be plugged in at a time or it is a fire hazard). The transformer is very strong and flips the circuit breaker if anything else in the house is plugged in and I try to plug that in. I'd rather not have to unplug everything to plug it in but I am worried I am wasting electricity if I keep it plugged in. So my question is does transformers use energy if they are plugged in and the appliances plugged into it aren't turned on? Also, do you think I can use a smaller transformer for those items listed above if it does use energy? The boxes that I buy them in don't say, they just say what watt they are.I've tried to look it up but I can't understand any of it so thank you in advance for helping me.
- NO But there's some exceptions Any appliance that turns on with a remote does not turn fully off (up to 20 Watts can be lost in standby mode) The modern PC has a logic level on / off switch which turns off only part of the Power Supply To the other PEDANTS of this world, I know I said NO as my first word to answer this question as soon as you increase the capacitance by allowing electricity to connect to the cable (of the hairdryer) extra electricity flows .but it's very small and it's not in phase (90 deg) so compared to the hair dryer in operation it's absolutely negligible
- Q: What are the transformer capacity?
- Transformer capacity: 15,30 50 63 80 100 125 160 200 250 315 500 630 A high - speed range of 12500 .. The The The The (Unit: KVA) Small is less than 1600KVA Medium 1600--6300KVA Large 8000 - 63000KVA Extra large is greater than 63000KVA
- Q: What is the critical load of the economic operation of the transformer?
- In order to increase the amount of active loss caused by the active loss of the system in the power system, a conversion factor is introduced, that is, the reactive power economic equivalent. Reactive power economic equivalent, is that the power system to send 1kvar reactive power, the power system will increase the number of active power loss kw, the symbol kq, unit kw / kvar. This kq value and the power system capacity, structure and calculation of the specific location and other factors. For the factory substation, reactive power economic equivalent kq = 0.02 ~ 0.15; Kq = 0.05 ~ 0.08; for the three or more transformer factory, take kq = 0.1 ~ 0.15 ~ 0.04; for the two-stage transformer factory, take kq = The
- Q: 1- the properties of electrical transformers . #92;2-their uses . #92;3-their applications.
- Electrical transformers are of two types step-up and step-down. Step up transformers boost your input current where by the step down will decrease the current. Heat will be generated from the transformers as energy is used up. these transformers have to be cooled by either using oil or air. They are used in almost all your electronic gadgets where you use adapters instead of battery, as well as in the circuits. They are used in community power supply
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250MVA/220kV standby transformer for factory
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 1 pc/month
OKorder Service Pledge
OKorder Financial Service
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