20kV Oil-Immersed Distribution Transformer
Standards
GB / IEC 60076
Testing
Routine report
Origin
China
20kV Distribution Transformers
1000 kVA 20 kV Oil-Immersed power Transformer
Core Overview 1000kVA 20KV oil-immersed power transformer, featuring 20KV high-voltage and large-capacity power supply. The core is used for large industrial parks, industrial and mining production bases, urban high-voltage distribution network main lines, as well as large-scale photovoltaic and wind power power supply for large power requirements. Without complex renovations, it can directly connect to the existing 20KV high-voltage lines, installation is convenient, operation is stable, it can independently serve as the main power supply equipment for the area, and can also adapt to the upgrade and transition of old and new power grids, solving the core problems of unstable power supply, high loss, and poor adaptability in high-voltage large-capacity scenarios. It also takes into account durability and economy, reducing long-term investment.
- Product type
- 20kV Oil-Immersed Distribution Transformer
- Rated capacity
- 1,000 kVA
- Voltage class
- 20 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
1000kVA 20KV Oil-immersed Power Transformer
Core Overview 1000kVA 20KV oil-immersed power transformer, featuring 20KV high-voltage and large-capacity power supply. The core is used for large industrial parks, industrial and mining production bases, urban high-voltage distribution network main lines, as well as large-scale photovoltaic and wind power power supply for large power requirements. Without complex renovations, it can directly connect to the existing 20KV high-voltage lines, installation is convenient, operation is stable, it can independently serve as the main power supply equipment for the area, and can also adapt to the upgrade and transition of old and new power grids, solving the core problems of unstable power supply, high loss, and poor adaptability in high-voltage large-capacity scenarios. It also takes into account durability and economy, reducing long-term investment.
Product Features High-capacity load-bearing capacity, strictly adapted to 20KV voltage level, 1000kVA large capacity can stably meet the high-load and uninterrupted power supply requirements of large industrial scenarios, during peak power consumption periods it does not heat up or trip, when the load fluctuates, the output is stable, without voltage instability risks.
Wide adaptability and well-protected, fully enclosed box design, mechanical strength is solid, can withstand outdoor high and low temperatures, multiple dust, and humidity complex environments, can directly connect with Box Type Substation , High And Low Voltage Switchgear seamlessly, combined with Electric Power Converter to optimize power transmission, no additional interface modification required, suitable for various installation scenarios.
Tips for Use Installation does not require special infrastructure, choose a flat, hardened, and ventilated open area, reserve sufficient heat dissipation space, avoid low-lying and damp, high-temperature areas, ensure the connection of the lines is standard, ordinary construction teams can complete the installation. Daily maintenance is simple, no need for 24-hour on-site supervision by professionals, regularly check the insulation oil level, oil color, and box sealing condition, if the oil color is turbid, the oil level is insufficient, or the sealing is loose, handle it promptly, no professional skills required, reducing operation and maintenance costs.
Common Questions Q: This model is used for large-scale photovoltaic support, can it directly connect to Combined Photovoltaic Substations to achieve grid connection of new energy? A: Absolutely, the interface specifications are universal, it can directly connect to Combined Photovoltaic Substations, combined with Electric Power Converter to regulate power quality, no additional modification is required, smoothly achieve grid connection, meeting the requirements of large-scale photovoltaic support.
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 | 20kV Oil-Immersed Distribution Transformer |
|---|---|
| Rated capacity | 1,000 kVA |
| Voltage class | 20 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
- 20 kV industrial distribution
- Mining and heavy industry
- Renewable-energy collection systems
- Ports and logistics parks
- Utility substations
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 1000 kVA 20 kV Oil-Immersed power Transformer
What is 1000 kVA 20 kV Oil-Immersed power Transformer best used for?
What is the typical lead time for 1000 kVA 20 kV Oil-Immersed power Transformer?
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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