10 kV Class Three Phase Distribution Oil Immersed Transformer

10 kV Class Three Phase Distribution Oil Immersed Transformer
Zisheng’s 10 kV Class Three Phase Distribution Oil Immersed Transformer is a flagship product of Baoding Zisheng Electrical an ISO-certified manufacturer rooted in China’s power transmission and transformation cluster. Featuring a low-loss wound core and advanced oil-immersed insulation, it meets IEC, IEEE, and ANSI standards, with hermetically sealed and conservator options. Ideal for urban grids, industrial parks, and mining projects, it delivers stable overload capacity, long service life, and customizable solutions, backed by professional overseas after-sales support.
Key Features:
- Low Loss Core
- Superior Sealing
- Stable Overload
- Compact Structure
- Wide Environmental Adaptability

Low Loss Performance & Energy Saving
Advanced Sealing Technology
Heat Dissipation Efficiency
Winding & Insulation Quality
Harsh Environment Adaptability
Case 1: PT Indo Prima Teknik (Indonesia)
Customer Profile: A leading manufacturer of automotive parts in Jakarta, with a 50,000㎡ production base and 8 production lines requiring stable 10 kV power supply.
Case 2: Saudi Electricity Company (SEC)
Customer Profile: Saudi Arabia’s national power utility, responsible for Riyadh’s urban power grid expansion to serve 200,000 new residents.
Case 3: African Mining Services (Kenya)
Customer Profile: A gold mining enterprise with operations in Nairobi’s outskirts, requiring reliable power for mining machinery and on-site living quarters.
Case 4: European Business Park (Belgium)
Customer Profile: A mixed-use business park in Antwerp, housing 30+ SMEs (logistics, electronics, office spaces) with strict noise and energy efficiency requirements.
| Rated Power (kVA) | Rated High Voltage (kV) | Rated Low Voltage (kV) | Connection Symbol | Short Circuit Impedance (%) | No Load Current (%) | No Load Loss (W) | On-Load Loss (W) | Cooling Mode | Tank Type |
| 30 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.0 | 2.1 | 100 | 600 | ONAN | Sealed/Conservator |
| 50 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.0 | 2.0 | 130 | 870 | ONAN | Sealed/Conservator |
| 100 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.0 | 1.6 | 200 | 1500 | ONAN | Sealed/Conservator |
| 250 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.0 | 1.2 | 400 | 3050 | ONAN | Sealed/Conservator |
| 500 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.0 | 1.0 | 680 | 5150 | ONAN | Sealed/Conservator |
| 800 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.0 | 0.8 | 980 | 7500 | ONAN | Sealed/Conservator |
| 1000 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.5 | 0.7 | 1150 | 10300 | ONAN | Sealed/Conservator |
| 1600 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 4.5 | 0.6 | 1640 | 14500 | ONAN | Sealed/Conservator |
| 2000 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 5.0 | 0.6 | 1940 | 17140 | ONAN/OFAF | Sealed/Conservator |
| 2500 | 10/10.5 | 0.4 | Dyn11/Yyn0 | 5.0 | 0.5 | 2300 | 20260 | ONAN/OFAF | Sealed/Conservator |
| Note: All parameters comply with IEC 60076-1/2 standards. Custom voltage grades (6kV/11kV) and technical parameters are available upon request. | |||||||||
We are a professional manufacturer with a 15,000㎡ production base in Baoding, China. We have independent R&D, production, and testing facilities—no middlemen, so we offer factory-direct pricing and full customization control.
Standard models in stock: 15-20 working days; customized orders (e.g., special voltage, enhanced anti-corrosion): 25-35 working days. Urgent orders can be prioritized with a 10-day expedited option.
Our products have CE (LVD/EMC), SGS, RoHS, and ISO 9001 certifications. For regional markets: SABER (Middle East), UL/CSA (North America), and UKCA (UK) are available upon request to ensure market access.
Yes. For high-temperature areas (≥45℃), we optimize heat dissipation with additional fins or fans; for coastal salt spray environments, we apply a 3-layer anti-corrosion coating; for dusty mining sites, we offer IP44 dust-proof protection and reinforced tank structures.
We have technical teams in Southeast Asia, the Middle East, and Africa, offering on-site installation guidance, commissioning, and maintenance. All products come with a 12-month warranty, and we provide lifelong technical support and spare parts supply.
Routine maintenance is simple: 1) Check oil level (conservator type) and temperature monthly; 2) Inspect sealing joints for leaks quarterly; 3) Clean radiators annually (more frequently in dusty areas); 4) Hermetically sealed models require no oil replacement under normal use.
Hermetically sealed: No air contact, no oil supplement needed, longer life (20+ years), ideal for harsh environments. Conservator type: Cost-effective, uses a breathing valve to balance pressure, suitable for general indoor/outdoor applications with regular inspections.
Yes. It is compatible with renewable energy grids, with optimized voltage regulation to handle fluctuations from solar/wind power. We can also customize the short-circuit impedance to match your system’s requirements.
Related Articles
CaseBenefits of Using Oil Immersed Transformers in Power Distribution
In the realm of power distribution, transformers play a pivotal role in ensuring the efficient and reliable delivery of electricity. Among the...
NewsZISHENG Transformer Installation: A Comprehensive Guide to Safe, Efficient On-Site Setup & Industrial Applications
Transformer installation is a high-stakes, detail-driven process that directly impacts power reliability for communities, businesses, and industrial operations. For ZISHENG transformers—engineered for...
NewsWhich Is Better Oil Immersed Or Dry-type Transformer?
Selecting between dry-type and oil-immersed transformers is rarely a simple question of “which is superior.” Instead, it is a complex calculation of...

