Transformer

LKH Electric (M) Sdn Bhd > Solutions > Power Distribution > Transformer

A power transformer is the central device of a power transmission and distribution facility, and has to be highly reliable. At LKH Electric (M), we provide you with highly efficient transformers.

Reduced stray loss and achieved high reliability through new-type disc winding
Compact size through barrier insulation structure using molded insulation
Low loss and noise using V-type joint and step-lap
Achieved long-term, stable high reliability through the adoption of a structure that separates iron core clamping and winding tightening in an ideal way.

Oil-immersed Transformers

Generator Step-up Transformers for Power Stations (GSU)

Generator step-up transformers, which boost the output voltage of generator and transmit the power to the grid, are very important components in power stations. Current value of primary low voltage side is so high (more than 30kA), and these transformers are operated in high load usually. So, local heating of the construction parts (tank, frame, etc.) caused with magnetic field and expected life of insulating materials must be carefully taken into account in the design and manufacturing. Fuji has rich supply deliver records of these highly reliable transformers for Japan domestic electric power companies and also overseas power stations.

• Three Phase Transformer

• Rated voltage; 19.5 / 280 kV

• Rated power; 1100 MVA

• Cooling; ODA

Distribution Transformer

Distribution Transformers up to 30MVA , 36kV, Hermetically Sealed with Nitrogen Gas Filled type, Less Flammable Fluid

Step-down Power Transformers for Substations

Step-down power transformers, which transform UHV/EHV to EHV/HV and distribute electricity to the consumers side, are the key equipment in substations. Highly reliable insulation, great short-circuit withstanding of windings, are required. Fuji apply various computerized analysis technologies for transformer design. As a result, many of high performance transformers have been supplied to worldwide by Fuji including 765kV voltage rating.

• Single Phase Autotransformer

• Rated voltage; 765 / 400 / 33 kV

• Rated power; 2000/ 3 MVA

• ONAN / ODAF

Shunt Reactor

In long-distance transmission lines and/or cable transmission networks, system over voltage problems break out sometimes. They are caused by capacitive reactive power in the systems particularly with no (or light) load condition. Shunt reactors, connected in parallel to transmission lines, are able to compensate these capacitive reactive power and suppress over voltage phenomena, so they improve system voltage stability. Fuji produces shunt reactors which have advantages such as low-loss, low-noise, and high-reliability by means of adopting radial-core and other technologies. We delivered many shunt reactors for worldwide customers including 765kV voltage rating.

Single Phase Shunt Reactor

• Rated voltage; 765/√3 kV

• Rated capacity; 400 Mvar (Bank)

• Cooling; ONAN

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Cast Resin Transformers

Product Features:

Vacuum Casting – Our product is manufactured with vacuum casting method using a premium metal pattern, resulting in a thick resin layer with a smooth surface.

Fire Resistant – Epoxy resin possesses self-extinguishing and fire resistant properties, making it safe in flammable environments. Fuji Electric’s cast resin transformer successfully completed and passed all tests of IEC 60076-11 in 2006.

Partial Discharge Free – All our transformers are coated in high-vacuum chambers to reduce air and gases in resin to reduce partial earth discharges. Partial discharge is less than 10 pC (Pico-coulombs intensity) as per partial discharge test.

Applied Standards – IEC60076-11 (First Japanese manufacturer to obtain IEC60076-11 standard) ANSI/IEEE C57.12.01 GB6450, GB/T10228 JEC-2200 etc.

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