360MVA/242kV three phase water cooling main transformer for hydro power station

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Quick Details

Place of Origin: HeBeiBrand Name:

CNBM

Model Number:

 

Usage:

Power

Phase: threeCoil Structure:

Toroidal

Coil Number: Capacity: Rated Voltage:

360MVA/242kV

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 360MVA/242kV three phase water cooling main transformer for  hydro power station.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 the 360MVA/242kV three phase water cooling main transformer for  hydro power station. 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 the360MVA/242kV three phase water cooling main transformer for  hydro power station, 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.

 

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Q:Transformer oil filter method
2, vacuum oil filter to ensure that there is a certain number of power, taking into account the size of your transformer, oil pillow position level, the oil filter is too small may not go oil cycle 3, the oil circulation from the oil pillow on the opening of the valve, where the best open after the bandaged, to prevent other debris in the filter oil fall into the transformer oil pillow. 4, filter oil after a certain time, take oil samples. Qualified to stop the oil filter, add the oil inside the oil can be closed after the oil pillow upper check valve. The transformer can be powered by one night after standing.
Q:Transformers are divided into several. What is the role of each? To be specific!
Transformer is the instrument that regulates voltage! Transformers can be classified according to their operating frequency, use and core shape. (1) Classification by operating frequency Transformers according to the operating frequency can be divided into high-frequency transformers, IF transformers and low-frequency transformers.
Q:Three-phase transformer how to calculate the current, ah, the formula is?
Calculation formula and empirical formula of transformer secondary current Three-phase transformer current calculation formula I = S / (root number 3 * U), where U is the transformer line voltage, KV Transformer Current Experience Port Algorithm: Primary Current I ≈ S * 0.06 Secondary Current I ≈ S * 1.5 For example: a 500KVA transformer to calculate the current and secondary current, with the current formula I = S / (root 3 * U) I = 500 / root 3 * 10 = 500 / 17.32 ≈ 28.8AI = 500 / root 3 * 0.4 = 500 / 0.69 = 724.6A with the transformer current experience calculation formula: I = 500 * 0.06 ≈ 30A I = 500 * 1.5 = 750A Transformer operating load requirements For example: a 800KVA10 / 0.4KV transformer, according to the first and second current calculation, a variety of load current is how much? Solution: Primary current I = S * 0.06 = 800 * 0.06 = 48A Secondary current I = S * 1.5 = 800 * 1.5 = 1200A Low load: Primary current I = 48 * 15% = 7.2A Secondary current I = 1200 * 15% = 180A Reasonable load: primary current I = 48 * 50% = 24A Secondary current I = 1200 * 50% = 600A Full load: primary current I = 48 * 75% = 12A Secondary current I = 1200 * 75% = 900A
Q:Physics Question about transformers!!?
A. Zero, since dc current does not have a varying magnetis field. B. 550/120 20/ X 4.3636volts Ne /E p Ns / E s C.4.3636v / 14 .311 a. Es / R t A s D. .011 amp if the transformer is 100% efficient
Q:What is the temperature of the dry-type transformer?
Insulation heat-resistant grade for the F-class epoxy resin casting transformer alarm temperature factory setting is generally 130 degrees.
Q:Three-phase transformer how four ways to connect it?
If the three-phase transformer has four windings can not have four kinds of wiring way?
Q:What is a low voltage transformer for a Heat Pump?
You need to check the breaker fist and the disconnect on the unit. Then after verifying with a Volt meter that you have power. Your going to need to remove the panel on the unit. There should be a circuit board with a LED light blinking (this is assuming you have power), Count the number of flashes the look on the back of the panel or the installer manual. This will give you the fault code of what has failed. To test the low voltage transformer, again you need to verify that the unit has power. You will need to use a volt meter. The other possibility is you have a failed contactor or failed capacitor. To veriy your thermostat is working try turning on the blower (fan) to ON. If the fan comes on then you have power to the unit, and your low voltage transformer is working. Also, if your thermostat has batteries in it and if they are dead this will cause a no heat issue. Heat pumps are not easy to trouble shoot via the internet. I highly recommend you call a professional out to properly fix the unit. Remember IF you decided to go fishing and try and fix it, your dealing with HIGH voltage and sensitive electronics. So, poking around really is not a good idea.
Q:transformers ending?
Optimus is saying they lost a great warrior (or something like that, refering to Jazz). Bumblebee askes if he can stay with the boy, and he does. The end shoes Shia and the chick laying on Bumblebees hood and the other main Autobots around and Optimus is giving some speech (I can't remember).
Q:dinasaure transformers thing?
I remember a purple dinosaur too. I'm pretty sure it's called Beast Wars, and it is a version of Transformers. If I remember correctly, the Autobots and the Predacons landed on Earth and in order to survive they took form of existing life forms on Earth. The Autobots took the form of mostly animals, but the Predacons landed near some dinosaur fossils so some took the dinosaur shapes. Megatron was a purple-ish T-Rex, and I think there was a pterodactyl one too. Optimus Primal was a gorilla and they had a cheetah and a rat in the Autobots.
Q:Is the power usage of a Transformer always equal to its capacity?
ok so most transformers are able to use almost 100% efficiency because of their advanced technology. Like optimus prime - he's badass

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