10kV Oil-Immersed Distribution Transformer
Standards
GB / IEC 60076
Testing
Routine report
Origin
China
10kV Distribution Transformers
80 kVA 10 kV Oil-Immersed Transformer No Excitation
80KVA 10KV Oil-immersed Transformer with No Excitation Voltage Regulation: Dedicated Equipment for Stable Power Distribution
- Product type
- 10kV Oil-Immersed Distribution Transformer
- Rated capacity
- 80 kVA
- Voltage class
- 10 kV
- Cooling
- ONAN / ONAF
- Tap range
- Off-circuit or on-load, project-specific
- Winding
- Copper or aluminium (project-specific)
Final ratings, losses, impedance and dimensions are confirmed on the approved datasheet. Website values are for family selection.
- Routine test report with the unit
- English GA drawing and O&M manual
- Copper or aluminium winding options
- 50 Hz / 60 Hz and harsh-site options
Product overview
80KVA 10KV Oil-immersed Transformer with No Excitation Voltage Regulation: Dedicated Equipment for Stable Power Distribution
In current low- and medium-voltage power distribution scenarios, conventional power equipment generally suffers from high losses, poor voltage adaptability, and insufficient outdoor operational stability. Many industrial and mining projects and park power distribution projects often face the practical problems of cumbersome equipment maintenance and voltage fluctuations affecting Electrical Equipment . To address these issues, this 80KVA 10KV Oil Immersed Transformer adopts a no-excitation voltage regulation structure design, relying on mature oil-immersed heat dissipation and insulation technology, making it suitable for various small and medium-sized power supply scenarios. This equipment can accurately match the needs of conventional power grid substations, effectively reducing operating energy consumption and failure probability. It exhibits excellent long-term operational stability and can be flexibly combined with Dry Type Transformers, Box Type Substations, High And Low Voltage Switchgear , etc., and is widely used in urban and rural power grid transformation, industrial plants, photovoltaic projects, and other scenarios. It can also be used with Electric Power Converters and Combined Photovoltaic Substations to complete the construction of a complete power system, comprehensively ensuring the stable operation of the power distribution system.
This transformer is a 10kV three-phase off-grid voltage regulating distribution device, primarily suitable for small and medium-sized industrial and commercial, residential, and small photovoltaic power station distribution scenarios. The equipment abandons complex load voltage regulation structures, adopting a power-off voltage regulation mode, resulting in a simplified structure and low failure rate, perfectly meeting the low-cost, high-stability procurement needs of small and medium-sized power distribution projects. Compared to similar transformers, it has stronger adaptability, seamlessly integrating into high and low voltage complete power distribution systems and cooperating with various power equipment, balancing practicality and economy, making it the preferred transformer for small and medium-capacity power distribution scenarios.
Core Product Features
1. Low-consumption and Stable Operation: Utilizing high-permeability silicon steel sheets and optimized electromagnetic structure design, no-load and load losses are far lower than industry standards, resulting in low operating noise and minimal heat generation. It can operate stably at full load for extended periods, achieving significant energy savings and greatly reducing long-term power maintenance costs.
2. Maintenance-Free Sealed Design: Utilizing a fully sealed oil tank structure, the insulating oil is isolated from air, effectively delaying oil aging and insulation component wear. Under normal operating conditions, frequent oil changes and maintenance are unnecessary. Suitable for complex outdoor conditions, it boasts exceptional durability.
Installation & maintenance notes
- Voltage Adjustment Requires Power Off: The equipment employs a non-excitation voltage regulation structure. All voltage level adjustments must be performed with the power completely off. Live voltage adjustment is strictly prohibited to avoid equipment malfunction and safety hazards.
- Suitable Installation Environment: The equipment is suitable for installation in environments with altitudes below 1000m and ambient temperatures ranging from -25℃ to 40℃. In humid or dusty environments, proper foundation protection is necessary to extend the equipment's lifespan.
- Frequently Asked Questions (FAQ)
- Q1: What application scenarios is this equipment suitable for? Can it be used with photovoltaic power distribution systems?
- A1: The equipment is mainly suitable for 10kV urban and rural power grids, small and medium-sized factories, residential communities, and small industrial and mining power distribution scenarios. It can perfectly adapt to the power distribution needs of Combined Photovoltaic Substations and can also be paired with High and Low Voltage Switchgear and Electric Power Converter to form a complete power distribution system, demonstrating wide adaptability.
- Q2: Is the daily maintenance of the equipment complicated? Does it require regular oil changes?
Design features
What the design is built around
Low-loss magnetic core
Cold-rolled grain-oriented silicon steel and a stepped core reduce no-load loss and audible noise.
Sealed tank construction
Welded tank, quality-gasketed cover and pressure-tested seals reduce oil leakage risk in outdoor duty.
Thermal margin for hot climates
Cooling surfaces and oil volume are selected for high ambient temperature and cyclic loading.
System compatibility
MV terminals, cable boxes and LV bushings are matched to the switchgear and protection scheme.
Typical specification
Specifications to confirm on the datasheet
| Product type | 10kV Oil-Immersed Distribution Transformer |
|---|---|
| Rated capacity | 80 kVA |
| Voltage class | 10 kV |
| Cooling | ONAN / ONAF |
| Tap range | Off-circuit or on-load, project-specific |
| Winding | Copper or aluminium (project-specific) |
| Standards | GB 1094.1, GB/T 6451, IEC 60076 |
| Testing | Routine tests plus type and special tests on request |
The table is a family-level starting point. The approved datasheet fixes the guaranteed values, drawing dimensions and test plan for the specific order.
Typical applications
- 10 kV utility distribution feeders
- Industrial parks and factory substations
- Commercial buildings and campuses
- Distributed PV and wind projects
- Rural electrification and grid upgrades
Confirm before ordering
- Rated capacity, voltage ratio and tap range
- Impedance, fault level and parallel operation
- Ambient temperature, altitude and enclosure
- Winding material, losses and efficiency class
- Terminations, protection and monitoring
- Tests, inspection, packing and shipping limits
Buyer questions
FAQ for 80 kVA 10 kV Oil-Immersed Transformer No Excitation
What is 80 kVA 10 kV Oil-Immersed Transformer No Excitation best used for?
What is the typical lead time for 80 kVA 10 kV Oil-Immersed Transformer No Excitation?
Which standards and tests are supplied?
Can the transformer be customised for 60 Hz or a hot climate?
How do I choose between copper and aluminium windings?
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