360MVA/63kV main transformer for Hydro power station

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Quick Details

Place of Origin: HeBeiBrand Name:

CNBM

Model Number:

 

Usage:

Power

Phase: Coil Structure:

Toroidal

Coil Number: Capacity: Rated Voltage:

360MVA/63kV

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/63kV 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/63kV 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 the 360MVA/63kV 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:Does the production transformer require 3C certification? Does the country have any specific requirements?
1, depends on what you produce the transformer. If it is civil to three C certification. 2, industrial transformer is the most important to the ISO9001 quality management system certification. In addition, for different products, where sold, and another certification. 3, there are special users require certification, such as nuclear power plants with the transformer. 4, anyway, your business to have a special department, to deal with a variety of different certification.
Q:110kv level, the capacity of about 43MVA transformer models and detailed parameters
SSZ10-50000 / 110 ONAN YN, yno, d11 110 ± 8 × 1.25% / 38.5 ± 2 × 2.5% / 10.5 Rated current (A) High pressure side 262.4 / Medium pressure side 749.8 / Low pressure side 2749.3 The following are the same as the " No load loss 35.3kw The following are the same as the " No-load current 0.09% The following are the same as the " Short circuit loss (kW) High - Medium 200.8, High - Low 202, Medium - Low 157 The following are the same as the " Short Circuit Impedance (%) High - Medium 10.06, High - Low 17.78, Medium - Low 6.35.
Q:New on the transformer reported to stop, how to do,
First, if it is the implementation of non-industrial nature of electricity, there is no need to apply for stop procedures, directly out of the transformer on it.
Q:50 What is the actual power of the transformer? Is 3 phase 50 or 3 together 50
If it is three-phase transformer, the power of the brand name is the sum of the power of three phases
Q:How much capacity the transformer has
For power transformers, there are 10 20 30 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300, etc. kVA.
Q:Transformer short-circuit impedance is big good, or small good? The same capacity, voltage ... solution
Transformer impedance depends on the size of many factors: 1 circuit breaker breaking capacity. Transformer below the power distribution board in a variety of electrical equipment has parameters, you should calculate the short-circuit current according to the impedance of the transformer to verify that these electrical equipment can meet the requirements, the same capacity and variable ratio of the transformer, the impedance of small short-circuit current, Large short-circuit current is small; 2 transformer connected to the large-capacity motor starting voltage. If the transformer load capacity close to the transformer capacity of 1/4 of the motor, should pay attention to check its starting voltage to meet the motor terminal voltage above 70% of the rated voltage. Impedance of the transformer itself is also a large pressure drop, more difficult to meet the requirements; small impedance transformer for the start of the pressure drop better performance; because you do not know how much the transformer capacity, it can not be the absolute conclusion, if the transformer capacity below 1000KVA , The above parameters in 4% and 6% or less, the choice of 4% better
Q:What does S11-M-500/10 transformer mean?
The first floor has been very accurate to answer my answer that M is sealed!
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:What is a transformer paused?
3. If the user fails to apply for the resumption of electricity, the power supply enterprise shall, from the date of expiry date, calculate the basic electricity bill according to the capacity stipulated in the contract; 4. During the period of suspension, the user shall apply to the power supply enterprise five days before the scheduled restoration date when the user applies for the resumption of the suspension of electricity consumption. The suspension time is less than fifteen days, the suspension of the basic electricity charges during the period;
Q:500KW load should be installed how much transformer?
Install 630kVA transformer barely enough, it is best to install 800kVA transformer. Because the transformer can not be a long time full load operation, the need for a margin of 0.2, but also take into account the power factor. According to the current capacity of the transformer is only 800kVA level. Down is 630kVA of the. According to 630kVA transformer no-load loss of 1200W, can take the load capacity of 620kW, basically meet the needs of the.

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