370MVA/525kV single phase double winding generator transformer Power Plant

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Quick Details

Place of Origin: HeBeiBrand Name:

CNBM

Model Number:

 

Usage:

Power

Phase:

one

Coil Structure:

Toroidal

Coil Number:

2 Winding

Capacity: Rated Voltage:

370MVA/525kV

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 370MVA/525kV single phase double winding generator 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 the 370MVA/525kV single phase double winding generator 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 the 370MVA/525kV single phase double winding generator 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.

 

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Q:DC into AC and transformers PHYSICS help?
a device which converts Direct current into Alternating current is called an INVERTER - - - a TRansformer NEEDS Alternating or ( in this case PULSATING Direct current ) in order to work -- so an INVERTER has a circuit which makes PULSATING Direct current - - - There are several designs -- and If this circuit puts a current in L one TRansformer primary winding to ground Stops theninto L two TRansformer primary to ground - on and off over and over -- - - the secondary will have a REAL Alternating current output - google INVERTER Design / INVERTER / Silicon Controlled Rectifier INVERTER Design --- the Voltage Step up done last ( second Step ) -- because the TRansformer NEEDS the first Step ( a circuit to make an REAL ac or PULSATING dc in order to function )
Q:Transformers 2 question.?
The movie is called Transformers: Revenge of the Fallen. It comes out June 26th. Decepticon forces return to Earth on a mission to take Sam Witwicky prisoner, after the young hero learns the truth about the ancient origins of the Transformers. Joining the mission to protect humankind is Optimus Prime, who forms an alliance with international armies for a second epic battle.
Q:Transformer core
The core part of the transformer is the transformer is the exchange of AC voltage, current and impedance of the device, when the primary coil with AC current, the core (or core) will produce AC flux, the secondary coil induced voltage ( Or current). Sort by cooling: dry (self-cooling) transformers, oil immersion (self-cooling) transformers, fluoride (evaporative cooling) transformers. According to moisture-proof classification: open-type transformers, potting transformers, sealed transformers. According to the core or coil structure classification: core transformer (insert core, C core, ferrite core), shell transformer (insert core, C core, ferrite core), Ring transformers, metal foil transformers. According to the number of power supply categories: single-phase transformers, three-phase transformers, multi-phase transformers. By use classification: power transformers, voltage transformers, audio transformers, IF transformers, high-frequency transformers, pulse transformers.
Q:Is It Bad to Live Above a Transformer?
Transformers can produce powerful electromagnetic fields, but there is no definitive answer on the safety of living next to transformers. Some people believe the electromagnetic fields cause health problems, and others do not. Bona fide research on health risks has produced sometimes contradictory results. One thing is for sure, high capacity transformers occasionally explode if they get overloaded, but these types of transformers are not allowed inside of buildings.
Q:Know the rated capacity of the transformer, how to calculate its rated current?
If it is a power transformer, its calculation method: rated current = rated capacity ÷ root 3 ÷ output voltage Such as the rated capacity of 1250KVA, the rated current = 1250000 ÷ 1.732 ÷ 400 = 1804A
Q:A question about Transformers URGENT?
1. You haven't specified your requirement. 2. Transformers don't regulate. Regulate is the job of a voltage regulator chip, like the LM7805. 3. Transformers don't manage either. People manage. People can also program computers to manage switches. Transformers just sit there, waiting for a closed loop for current flow on both primary coil and secondary coil. When both loops are closed, energy is transferred from one coil to the other by magnetic induction. When either loop is open, current ceases in the open coil, but still creates an alternating magnetic field in the closed loop, if the closed loop is the primary.
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:Homework on transformers?
The turns ratio is 4:1 of the primary. The power supplied to the primary is 400W. So regardless of anything else, in a ideal transformer, 400W is available on the secondary. But voltage will be 4x higher, current 4x smaller, than the voltage and current in the primary. Disregarding all that, if there is 400W of power flowing in the primary, then 400W will be being dissipated in the 20 ohm resistor. Watts in watts out, but secondary load (resistance) controls the wattage. There is no way to tell the output voltage and current, without knowing the input voltage and current. But whatever they are, the product of voltage x current will be 400W, in this instance.
Q:Rated capacity of three-phase transformer S = √3 * U * I
So, when calculating the three-phase load, U is the line voltage, and I is the line current. S = 1.732 (root 3) UI. S = 3UI. Where U is the phase voltage and I is the phase current. S = 1.732UI where U is the line voltage and I is the line current. Two methods, the same result.
Q:Why the new operation of the transformer to be charged
Do the pressure test, measured insulation performance. Although the discharge of a transformer said, but no charging function

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