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PRODUCT DETAIL / DISTRIBUTION TRANSFORMER
10kV/0.4kV Distribution Transformer
10kV / 0.4kV · Oil-immersed cooling · S13 series
01 / OVERVIEW
Source-backed product overview.
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We manufacture highperformance oilimmersed power distribution transformers specially developed for powerindustry applications. Mainly used in distribution networks for urban power grids, industrial zones and largescale buildings, our units deliver powerful functions and stable performance to guarantee safe power supply.
Our S13series 10kV/0.4kV oilimmersed distribution transformer covers capacity range 50 kVA500 kVA. It features compact, corrosionresistant construction with strong environmental adaptability. Wellsuited for urban power grids, industrial parks and largebuilding distribution systems, it supports easy installation and maintenance.
Equipped with S13 energysaving core technology and highperformance newgeneration materials, we achieve energyconversion efficiency higher than 98 %. It effectively reduces noload and load losses and cuts operational power consumption. Its oilimmersed cooling design provides reliable heat dissipation for stable operation even under hightemperature working conditions.
Certified compliant for StateGrid projects and fitted with intelligent monitoringandprotection modules, our transformer supports realtime operatingstatus tracking plus earlywarning alerts. It delivers safe, lownoise and highlyefficient powerdistribution performance and meets modern environmentalprotection and safety standards for diversified powersystem scenarios.
PRODUCT / APPLICATION VIEW
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02 / FEATURES
Capabilities described in the source.
Quality Assurance
At Jinma Electric, we are committed to delivering premiumgrade power equipment. All our transformers hold StateGrid certification for proven reliable quality, serving powerfacility projects nationwide.
Product Flexibility
To satisfy diverse client requirements, we offer personalised customisation services. We ensure each transformer fully matches your actual operating environment and powersupply specifications.
Highefficiency Energy Conversion
We deploy advanced newgeneration materials that significantly cut energy loss. Energyconversion efficiency exceeds 98 %, substantially lifting overall powersystem operating efficiency.
OilImmersed Cooling Technology
Our oilimmersed structural design delivers outstanding heatdissipation performance. The transformer maintains stable operation under hightemperature ambient conditions and guarantees longterm dependable equipment performance.
LowNoise Design
Noisereduction is builtinto our product design philosophy. Operating noise remains extremely low during service, complying with modernsociety environmentalprotection requirements.
Intelligent Protection System
Integrated intelligent monitoring hardware tracks realtime equipment operating status and triggers earlywarning alerts, continuously improving operational safety margins.
03 / SPECIFICATIONS
Technical parameters.
Source table retained in full where supplied.
| Model | Rated Capacity (kVA) | Vector Group | HV (kV) | Tap Range | LV (kV) | Noload Loss (W) | DY Load Loss (W) | YY Load Loss (W) | Noload Current (%) | Shortcircuit Impedance (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| S13M30 | 30 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 80 | 630 | 600 | 1.5 | 4 |
| S13M50 | 50 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 100 | 910 | 870 | 1.3 | 4 |
| S13M63 | 63 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 110 | 1090 | 1040 | 1.2 | 4 |
| S13M80 | 80 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 130 | 1310 | 1250 | 1.2 | 4 |
| S13M100 | 100 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 150 | 1580 | 1500 | 1.1 | 4 |
| S13M125 | 125 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 170 | 1890 | 1800 | 1.1 | 4 |
| S13M160 | 160 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 200 | 2310 | 2200 | 1 | 4 |
| S13M200 | 200 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 240 | 2730 | 2600 | 1 | 4 |
| S13M250 | 250 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 290 | 3200 | 3050 | 0.9 | 4 |
| S13M315 | 315 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 340 | 3830 | 3650 | 0.9 | 4 |
| S13M400 | 400 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 410 | 4520 | 4300 | 0.8 | 4 |
| S13M500 | 500 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 480 | 5410 | 5150 | 0.8 | 4 |
| S13M630 | 630 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 570 | 6200 | — | 0.6 | 4.5 |
| S13M800 | 800 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 700 | 7500 | — | 0.6 | 4.5 |
| S13M1000 | 1000 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 830 | 10300 | — | 0.6 | 4.5 |
| S13M1250 | 1250 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 970 | 12000 | — | 0.5 | 4.5 |
| S13M1600 | 1600 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 1170 | 14500 | — | 0.5 | 4.5 |
| S13M2000 | 2000 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 1550 | 18300 | — | 0.4 | 5 |
| S13M2500 | 2500 | Yyn0 or Dyn11 | 10 / 6.3 / 6 | ±5% or ±2×2.5% | 0.4 | 1830 | 21200 | — | 0.4 | 5 |
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04 / SELECTION NOTES
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Site conditions
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Evidence review
Source claims and standards remain subject to final technical and document confirmation.
05 / APPLICATIONS
Where this equipment is positioned.
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06 / PROOF
Trace the supplied evidence.
The source document is retained in the private inventory as src-004. Claims, certifications and performance figures marked in the inventory remain pending confirmation before production publication.
Pending confirmation: distribution-capacity, missing-mentioned-cases, proof-and-claims.
07 / SERVICE
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Selection
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Documentation
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Support
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Frequently asked questions.
Q: What cooling method does this S13series transformer adopt, and is it suitable for 50kVA500kVA? A: Our S13series 10kV/0.4kV oilimmersed transformer uses fullysealed structure with standard ONAN cooling. Capacity coverage includes 50 kVA500 kVA. It features low temperature rise, strong overload capability and stable performance for mediumandlowvoltage powergrid deployment.
Q: Which standards does the S13series transformer comply with, and how about its insulation and shortcircuitwithstand performance? A: Designed and manufactured strictly according to IEC 60076 and GB/T 1094 standards. Highgrade insulation meets all relevant voltagewithstand requirements. It possesses excellent shortcircuitwithstand capacity for reliable field operation.
Q: What insulating oil is used? How about environmentalsafety performance? A: Our 10kV/0.4kV oilimmersed distribution transformer uses premiumquality transformer insulating oil. Fullysealed leakproof construction delivers good firesafety properties, suited for longterm outdoor and industrialsite operation.
Q: How do you guarantee service life and quality of core components for S13series transformers? A: We adopt highgrade grainoriented coldrolled siliconsteel sheets plus oxygenfree copper conductors for low loss and lownoise output. Design service life ≥ 30 years. Every unit passes fullset typetests and routinetests before factory release to secure consistent quality.
Q: What production and testing facilities does your factory use for S13series 10kV/0.4kV transformers? A: Our workshop is equipped with dedicated S13series production & testing hardware:
Automatic siliconsteel sheet cutting and stacking line
Vacuum drying & vacuum oilfilling system
Winding forming and pressing equipment
Complete set of typetest and routinetest instruments
All S13series transformers are manufactured and inspected under rigorous qualitycontrol protocols to meet applicable industry standards.
Q: What is standard order leadtime for 50kVA500kVA S13series transformers? A: Standard leadtime for 50 kVA500 kVA S13series transformers runs 1530 days after deposit receipt and technicalspec confirmation; exact timeline depends on order quantity and configuration options.
Q: What is the difference between standard accessories and optional accessories for S13series units? A: Standard accessories: oillevel indicator, thermometer, pressurerelief device, lifting lugs, foundation bolts, nameplate, oildrain valve and so forth. Optional accessories: online oiltemperature monitor, oil conservator, offcircuit tapchanger, cable box, antiseismic base and other customfit parts.
Q: Does your factory accept custom configurations for voltage, tapping, vectorgroup and coolingmode? A: Yes. Jinma Electric supports customdesigned manufacturing per customersubmitted requirements: custom rated power, finetuned 10kV/0.4kV parameters, vectorgroup adjustment, impedancevoltage modification, taprange adaptation, coolingmode adjustment, highaltitudeadaptive insulation level, plus special dimension / colour / material / structural specifications for special installationscenarios.
Q: Regarding transportation and installation for S13series 50kVA500kVA transformers? A: 50 kVA500 kVA S13series transformers are transported as complete assemblies with shockproof fastenings. Installation procedures are straightforward and full documentation is supplied. Onsite technicalguidance service can be arranged upon request.
Project references in the supplied document.
Distribution transformers serve as the voltageconversion backbone for all gridconnected industries. Voltage rating, thermal class and mounting configuration can be custommatched for target applications.
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Gridconnected project of 12 PV transformers + ring cabinets in Java, Indonesia
15 Units 22kV Oilimmersed Transformer Industrial Park Distribution in Vietnam Project
20 sets of 11kV oilimmersed transformers grid transformation project in Nigeria
Only project records with supplied detail material have independent routes. Other named references require confirmation.
08 / RELATED
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