The 24kV three-phase oil-immersed transformer applies new
type insulation structure and improves the ability of short-circuit
resistance.The iron core is made of high-quality cold-rolled
silicon-steel plate.High-voltage winding group is made of high
quality copper wires and it adopts multilayer cylindrical
structure.All fasteners have been processed with special treatment
to prevent them from loosening.2 . The use of the environmentDevice
types: outdoor typeNormal environment conditions of use: the
elevation not more than 1000 mEnvironmental highest temperature +
40°C, minimum-25°CThe special environment conditions of use:
elevation of more than 1000 mEnvironmental highest temperature +
40°C, minimum-45°C. (when you order details)Mounting ambicnt: no
corrosive gas, no obvious dirt environment3 . Carries out the
standardISO 1461: Hot dip galvanized coatings on fabricated iron and steel articles -Specifications and test methodsIEC 60076: Power transformers.IEC 60044: Instrument transformers.IEC 60296: Specification for unused mineral insulating oil for transformers and switchgear.IEC 60354: Loading guide for oil - immersed power transformers.IEC 60214: Tap-changers - Part 1: Performance requirements and test methods, Part 2: Application guide.IEC 60512: Connectors for electronic equipment.IEC
60137 Insulated Bushings for Alternating Voltages Above 1 kV4
. Performance characteristicsLow loss and noisyCompared with normal
oil immersed power transformer has no oil storage box and adopts
the corrugations on the oil tank as its heat-radiation partsOil
tank is made by fine cold-rolled steel on an exclusive
production-lineCorrugations can expand or contract according to the
change of oil volumeThus the inner space of transformer can be
isolated from the airwhich can reduce the aging speed of oil and
prevent the insulation materials from dampingOil-immersed
transformer possesses a reliable operation and is free from
maintenanceTank1.Continuing12hours under 20Kpa air pressure,
it is no leakage and permanent distortion.2.Each transformer shall
be enclosed in a suitable stiffened welded steel tank of 3mm
thickness minimum3.The construction employs wieldable steel of
an approved grade and shall withstand an internal pressure of
30KN/M2 without permanent deformation4.The transformer tank
is vacuum-proof and suitable for outdoor
installation.5.hermetically sealed transformers with fins.The tank
will be equipped with standard accessories as follows:-Oil
drain valve fitted at the lowest point of the tank at one of the
narrow sides,with oil filling facility.-Oil filter valve located
near to the top of the tank.-2 earthing stainless steel M10 studs
with nut and washer.-Suitable no of lifting lugs.-Suitable no of
pulling lugs.-1 thermometer pocket.-Rating plate and connection
diagram.Capacity (kVA)VoltageVectorgroupNo-load loss (W)Load
loss (W)Impedance voltage (%)No-load current (%)GrossWeight
(kg)DimensionHigh voltage (KV)High voltage tapping rangeLow voltage
(KV)(75°C)L*W*H (mm)3020kV22kV24kV±5%,
±2×2.5%0.4Yyn0
Dyn11906305.51.7500700*650*900501209101.9600730*690*9508017013001.7700770*720*100010019015701.5750820*715*103012523018801.48201005*635*104516027023001.38551080*690*109520032027201.210501230*815*111025038031801.110901260*825*11603154603810112801270*830*120540054045000.914551385*895*126050065053800.918501435*945*1300630770648060.821351560*1015*133580093078400.725501625*1060*140010001090107600.627001800*1200*17001250129125400.530001820*1265*158016001560151500.534001860*1290*173020001850181800.540501950*1290*190025002220211000.555002190*2450*2500Established
in September 2008, ROOQ Electric Group Co.,Ltd is a
technology-oriented enterprise specializing in R&D, production,
sales and services of power transformers, HV/LV switch cabinets and
related products. Since its inception, our company has
been committed to the path of professional development. By virtue
of its strong technical force, domestic and foreign advanced
equipment, innovative ideas and extensive manufacturing experience,
it has been certified by ISO9000 and adopts CAD to provide
customers with environment-friendly, energy-saving, low-carbon and
high-quality products suitable for regional characteristics to meet
the market and the basic requirements of different customers. Now
it has become one of the key enterprises in the Chinese
manufacturing industry of key transformers and HV/LV
switchgears. Currently the company mainly produces HV/LV
power distribution cabinets, pre-fabricated substations, power
distribution transformers, HV/LV switches and other
products. Its products cover the national market
of China. Also the products are exported to Central Asia, Africa,
Southeast Asia, the Middle East, South America and other countries
and regions. Based on its complete marketing and service
networks, ROOQ Electric Group Co., Ltd will further expand
into the domestic and foreign markets. The company implemen
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