Introduction of Auto-transformerCPEPE's liquid-filled substation
transformers are designed, built, and tested in accordance with
international standards including IEC 60076, GB1094, ANSI C.57,
CSA, NEMA and IEEE. The insulating liquid can be mineral oil, high
flash point ester fluid and silicon oil. The product is suitable
for electrified railway traction power supply system. Usually the
transformer core is laminated type, and our wound type core is also
possible if required by customer, Wound core traction transformer
is a kind of energy-saving transformer with many outstanding
advantages: Low no-load loss, low no-load current, low noise,
strong anti-short circuit ability and overload capacity, the
transformer is energy efficient and environmentally
friendly.Product RangeVoltage level: 2×27.5kV/27.5kV Capacity:
5000kVA~40000 kVATechnical CharacteristicsLow no-load loss, low
no-load current, low noise The
cores are wound tightly without any juncture, reducing magnetic
resistance and noise; Its cross section is inscribed polygon, high
fill factor. After high temperature annealing of eliminating
stress, no-load loss is greatly reduced.Low impedance
Use multiple splitting structures to reduce
impedance and adjust core diameter, number of turns, splitting
group to make the impedance value small enough.Strong overload
capacity With oil flow guide
control technology, the quantitative calculation of the oil flow,
optimize the structure of oil circuit, reduce the hot-spot
coefficient, to ensure that under the condition of rigorous
overloading load, the winding hot-spot temperature does not exceed
140ºC.Strong anti-short circuit ability
By analyzing and calculating the worst short circuit,
adopting high strength wire and effective support to strengthen the
structure, adjusting the coil distribution to ensure all stress
have enough margin. Self-developed winding technology can make the
coils wind tightly.Technical SpecificationAuto-transformerRated
Capacity (kVA)Voltage combinationConnection SymbolNo-load loss
(kW)Load loss (kW)No-load current (%)High Voltage (kV)Low
Voltage(kV)63002*27.527.5Ia02.915.40.5580003.318.50.50100003.821.80.45126004.525.80.40160005.431.50.40200006.434.00.35250007.543.00.35320009.051.00.304000010.560.00.30Changzhou
Pacific Electric Power Equipment (Group) Co., Ltd is a high-tech
enterprise in research, design, manufacture, market and service in
High Voltage and Low Voltage power transmission and distribution
industry.Established in 1989 and organized as a comprehensive power
solution group company in 1997. The company has a registered
capital over USD 20 million and fixed assets over USD 100 million.
The company is located in the center manufacturing zone of China,
near to Shanghai city, occupies a total area of 240,000 square
meters. The annual production capacity is over 20,000 sets of high
and low voltage switchgears and 3,000MVA different kinds of
transformers. The products are widely used in the area of
high-speed railways, subway, city tram, petrochemical, metallurgy,
power substation, power plants, high-rise buildings etc. With
the strong manufacturing backgrounds over the decades, Changzhou
Pacific Electric Power Engineering Co., Ltd (hereinafter
CPEPE/TUNGWELL) was founded for group oversea' market, as well as
supply chain management services. Now, CPEPE/TUNGWELL is a leading
distributor of China famous power components, equipment and
materials. We serve the construction industries, the commercial,
and government market, and utility markets. CPEPE/TUNGWELL products
and services support constructions, infrastructures, building
renovation, facility maintenance, repair and operations, and
original equipment manufacturing. Today, CPEPE/TUNGWELL stands
as a large supplier of power equipment and engineering, target for
one stop solutions for power industries.Workshops & Production
LinesSubway IndustryTypical Projects: Shenzhen Metro, Changsha
Metro, Nanning Metro, Changsha Metro, Foshan Metro, Shijiazhuang
Metro, Hefei Metro, Xi'an Metro, Chengdu Metro, Nanjing Metro,
Chongqing Metro, Tianjin Metro, Changzhou Metro, Xuzhou Metro,
Suzhou Metro, etc.Petrochemical IndustryTypical Projects: Jiangsu
Hengli Chemical Fiber, Jiangsu Jurong Petrochemical, Hengli
Petrochemical, Juxian Synthetic Materials, Juhua Group, Qinghai
Salt Lake Haina Chemical Industry, Tianjin Bohai Chemical Industry,
Tianjin Bohua Chemical Industry, etc.Power GridThermal power
plantTypical Projects: Harbin Thermal Power, Tianjin Junliangcheng
Power Generation, Jiangxi Jingdezhen Power Generation, Guizhou
Panxian Power Plant, Tianjin Wuqing Thermal Power, Jiangsu Qinli
Thermal Power, Tianjin Dagang Power Plant, etc.Other power plants
(wind power, hydropower, photovoltaics)Typical Projects: Weng'an
110kV Yinzhan Substation, Naqu High Altitude Test Wind Power Plant
in Tibet, Qinxi 220kV Substation, Ningxia Datang International
100MW Wind Farm, China Resources Guangxi Cangwu Liubao Phase I 50MW
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