A 2000kVA transformer is one of the most widely used power transformers in medium to large-scale power distribution systems. It delivers reliable performance, high efficiency, and flexibility for industrial, commercial, and infrastructure projects.
If you are looking for a durable and cost-effective solution, this guide will help you understand everything about the 2000kVA transformer, including specifications, working principles, applications, and how DOS Group can support your project with professional manufacturing and global supply.
What Is a 2000kVA Transformer?
A 2000kVA transformer is an electrical device designed to transfer electrical energy between circuits with a rated capacity of 2000 kilovolt-amperes (kVA), which is equal to:
- 2000kVA = 2MVA
It is commonly used to step down medium voltage (MV) to low voltage (LV) for end users or step up voltage in power systems.
Key Features:
- High load capacity
- Stable voltage regulation
- Long service life
- Suitable for continuous operation
How Does a 2000kVA Transformer Work?
The operation of a transformer is based on electromagnetic induction.
Simple Working Process:
- Alternating current flows into the primary winding
- A magnetic field is created in the core
- This magnetic field induces voltage in the secondary winding
- Voltage changes according to the turns ratio
Basic Formula:
- Voltage ratio = Turns ratio
- Power remains nearly constant (minus losses)
This simple principle allows efficient transmission of electrical energy over long distances.
Types of 2000kVA Transformers
Different environments require different transformer types. The most common types include:
1. Oil-Immersed Transformer
- Uses insulating oil for cooling
- Excellent heat dissipation
- Suitable for outdoor installations
- Long lifespan
2. Dry-Type Transformer
- Air-cooled, no oil
- Safer for indoor use
- Low fire risk
3. Cast Resin Transformer
- Encapsulated windings
- High resistance to moisture and dust
- Ideal for harsh environments
Technical Specifications of 2000kVA Transformer
Below is a typical specification table for a standard 2000kVA transformer.
Main Technical Parameters
| Item | Parameter | Value |
|---|---|---|
| Rated Capacity | Power | 2000kVA |
| Frequency | Standard | 50Hz / 60Hz |
| Phase | Type | Three-phase |
| Cooling Method | Options | ONAN / ONAF / AN |
| Vector Group | Common | Dyn11 / Yyn0 |
| Impedance Voltage | Typical | 5% – 8% |
| Insulation Level | Standard | Class A / F / H |
| Temperature Rise | Oil / Winding | 55°C / 65°C |
| Efficiency | Full Load | ≥ 98.5% |
| Tap Changer | Type | Off-load / On-load |
| Protection Level | Enclosure | IP23 / IP54 |
| Noise Level | Typical | ≤ 65 dB |
Voltage Levels and Configurations
A 2000kVA transformer can be customized for different voltage systems.
Common Primary Voltages:
- 33kV
- 22kV
- 11kV
- 10kV
Common Secondary Voltages:
- 415V
- 400V
- 380V
- 220V
Output Current Calculation
The output current depends on the secondary voltage.
Formula:
Current (A) = Power (kVA × 1000) ÷ (√3 × Voltage)
Current Table
| Secondary Voltage | Current (A) |
|---|---|
| 415V | ~2783 A |
| 400V | ~2887 A |
| 380V | ~3040 A |
| 220V | ~5249 A |
Dimensions and Weight
Typical values for a 2000kVA transformer:
| Parameter | Value |
|---|---|
| Length | 2000 – 2600 mm |
| Width | 1400 – 2000 mm |
| Height | 1800 – 2400 mm |
| Total Weight | 3500 – 6500 kg |
| Oil Weight | 1200 – 2000 kg |
Losses and Efficiency
Transformers are designed to minimize energy losses.
Types of Losses:
- No-load loss (core loss)
- Load loss (copper loss)
Typical Loss Values
| Type | Value |
|---|---|
| No-load loss | 2.0 – 3.5 kW |
| Load loss | 15 – 25 kW |
High-quality transformers from DOS Group are optimized for low losses and high efficiency.
Applications of 2000kVA Transformer
A 2000kVA transformer is widely used in various industries:
Industrial Applications
- Manufacturing plants
- Food processing factories
- Mining operations
Commercial Applications
- Shopping malls
- Office buildings
- Hotels and resorts
Infrastructure Projects
- Hospitals
- Airports
- Data centers
Renewable Energy
- Solar farms
- Wind power systems
Advantages of 2000kVA Transformer
High Power Capacity
Supports large-scale operations with stable output.
Energy Efficiency
Reduces energy loss and operating costs.
Reliability
Ensures uninterrupted power supply.
Flexible Design
Customizable voltage, cooling, and installation options.
Installation Guidelines
Proper installation ensures long-term performance.
Key Points:
- Install on a stable foundation
- Ensure adequate ventilation
- Maintain safety clearance
- Proper grounding is essential
- Protect from moisture and dust
Maintenance Tips
Regular maintenance extends service life.
Routine Maintenance:
- Check oil level (for oil transformers)
- Inspect insulation
- Monitor temperature
- Test electrical parameters
Recommended Schedule:
- Monthly inspection
- Annual detailed testing
Why Choose DOS Group for 2000kVA Transformer?
When selecting a 2000kVA transformer, choosing the right manufacturer is critical. DOS Group stands out as a reliable and professional partner.
1. Strong Manufacturing Capability
- Advanced production equipment
- Strict quality control system
- Compliance with IEC, ANSI standards
2. Custom Design Services
- Voltage customization
- Special environment solutions
- OEM and ODM support
3. High-Quality Materials
- Premium silicon steel core
- Copper or aluminum windings
- Durable insulation system
4. Global Export Experience
- Serving clients worldwide
- Competitive pricing
- Fast delivery
5. One-Stop Power Solution
DOS Group provides:
- Transformers
- Power cables
- Cable accessories
This integrated supply reduces project costs and improves efficiency.
How to Select the Right 2000kVA Transformer
Step 1: Calculate Load
Ensure the transformer can handle peak demand.
Step 2: Choose Voltage Level
Match your grid and equipment requirements.
Step 3: Select Type
- Indoor → Dry-type
- Outdoor → Oil-immersed
Step 4: Consider Environment
Dust, humidity, and temperature affect selection.
Step 5: Choose a Trusted Supplier
A reliable manufacturer like DOS Group ensures quality and support.
Cost of 2000kVA Transformer
The price varies depending on:
- Material (copper vs aluminum)
- Cooling type
- Technical specifications
- Accessories and protection systems
Typical Price Range:
- $15,000 – $60,000
For accurate pricing, it is best to contact DOS Group with your requirements.
Frequently Asked Questions
1. What is the lifespan of a 2000kVA transformer?
Typically 20–30 years with proper maintenance.
2. Can it be used outdoors?
Yes, oil-immersed transformers are ideal for outdoor use.
3. What standards apply?
- IEC 60076
- ANSI C57
- GB/T 1094
4. Is customization available?
Yes, DOS Group offers full customization services.
2000kVA transformer manufacturer
A 2000kVA transformer is a powerful and reliable solution for medium to large-scale power distribution. With proper selection, installation, and maintenance, it can provide stable performance for decades.
Choosing a trusted manufacturer like DOS Group ensures you receive high-quality products, competitive pricing, and professional support. Whether your project is industrial, commercial, or renewable energy-based, a well-designed 2000kVA transformer is a smart investment.