1)22 years' manufacturing experience with three subsidiaries 2) Top
3 in China 3) Guarantee 30 years 4)Won tenders abroad Features: New
type of S9, S9-M series three phased oil-immersed dis transformer
uses new structures of insulation and anti-shortcut etc. Which
approach advanced international standards Comparing to S7 series,
the no load loss decreases 10.25% in average, no load current
decreases 37.9%, load loss decreases 22.4% in average, it is the
renew products for saving energy Low losses, energy saving Core is
in round form, multi-stage, and entire tilted three stages seaming
and lapping structure High and low voltage coils are winding with
oxygen free copper coil. All high voltage coils are made with
several layered bucket structure. Oil-Immersed Transformer Main
characteristics of oil-immersed transformer: 1. High short-circuit
resisting ability and fine mechanical performance 2. Low power
consumption, low partial-discharge and low noise 3. No leakage,
free of core and winding body lifting and no maintenance Main
technical points of oil-immersed transformer: 1. Scientific
computing method: Adopt advanced computing software for
electromagnetic heat and mechanical power to calculate the
distribution of electromagnetic field and magnetic leakage, choose
insulation tolerance and analyze wave process; The software is used
for simulation design of plane and three-dimensiona dynamic model,
which guarantees the products a reliable performance and a rational
structure. 2. Rational array of structure: According to the
computing result, choose rational insulation structure, wire
specification and magnetic flux density. Adopt magnetic screen for
oil tank. Calculate the natural vibration frequency of drawplate
and iron core. Adopt multistage step lapped joint fully-oblique
structure... Reduce on-load power consumption and noise. Increase
the short circuit resisting ability by adopting round bar and
cardboard sleeve. Reduce the partial-discharge by applying rounding
process on the fringes of insulation parts and metal parts and
metal parts inside the transformer. 3. Advanced processing methods:
Cut the iron core automatically, so the precision is high and the
burr is very small. Adopt non-overlapping upper yoke processing.
Apply double-H setting glue on the surface, Coil the wire
vertically, and a numerical control tension device is needed.
Set-assemble is adopted for the body of transformer. Integral
preassemble is adopted for the wire lead. Full automatic control
gas-kerosene drying process is adopted for the body of transformer.
Preassemble is adopted for general assembly. 4. Perfect quality
assurance system: Control the quality of products according to the
ISO19001 quality standards. 5. Systematic data management:
ERP&PDM data management programs are adopted during the whole
process from sale to leaving factory 3.4. Perfect quality assurance
system: Control the quality of products according to the ISO19001
quality standards. 5. Systematic data management: ERP&PDM data
management programs are adopted during the whole process from sale
to leaving factory. Technical Data of 10kV S9, S9-M Series
Distribution TransformerRated CapacityVoltage Group(kV)Connection
Method Loss (kW)No-load currentImpedance VoltageWeight
(kg)(mm)Gauge(L)(W)(H) (kVA)HVLV No-loadLoad%%MachineOilGrossDimensionVerticalHorizontal5 0.070.3544504514555045080040035010 0.090.43.5705518555045080040035020 0.110.5231106023566050585040035030 0.130.63/0.62.31306526566053087045034050 0.170.91/0.8721958036574060093045038063 0.21.09/1.041.923080400720620100045038080 0.251.31/1.251.9260954607706401030450430100 0.291.58/1.51.83009551082071097055045012511 0.341.89/1.81.73351155851040680108055047016010.5 0.42.31/2.21.640513068510906701130550520200100.4Yyn00.482.73/2.61.5490150810116076010905505202500.69Dyn110.563.2/3.051.4565170935121577511806505503156 0.673.83/3.651.46552001095134589012056505504006.3 0.84.52/4.31.3840250138514509351240650550500 0.965.41/5.151.2935235150515159701280750600630 1.26.21.14.511003301830159510401315850660800 1.47.51136037022251765117013508506601000 1.710.31145547525551855125514908506601250 1.95120.9171554531401885127015908506601600 2.414.50.8209563036801950162020208507002000 2.819.80.8234071541902060174020508208202500 3.3230.72920830510022501800210010701070
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