1500Transformator kVA: Producător, Specificații, și Preț

A 1500transformator kVA is a widely used power transformer in industrial, comercial, și proiecte de infrastructură. It plays a key role in stepping voltage up or down to ensure stable and efficient power distribution. Whether you are planning a factory, a data center, or a large building, understanding the features and specifications of a 1500kVA transformer is essential.

It includes working principles, types, aplicatii, and a full specification table to help you choose the right model.

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What Is a 1500kVA Transformer?

A 1500transformator kVA is an electrical device with a rated apparent power of 1500 kilovolt-amperi (kVA). It transfers electrical energy between circuits using electromagnetic induction.

  • 1500kVA = 1.5MVA
  • It can supply medium to large loads
  • Common in industrial plants and commercial buildings

The transformer changes voltage levels while keeping the frequency the same.

How Does a 1500kVA Transformer Work?

The transformer works based on a simple idea: inducție electromagnetică.

Basic Working Steps:

  1. AC power flows into the primary winding
  2. It creates a magnetic field in the core
  3. The magnetic field induces voltage in the secondary winding
  4. Output voltage depends on the turns ratio

Key Formula:

  • Raportul tensiunii = Raportul spirelor
  • Puterea rămâne aproape constantă (ignoring losses)

This allows safe and efficient power transmission.

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Types of 1500kVA Transformers

There are several types of 1500kVA transformers based on cooling and insulation.

1. Transformator cu scufundare în ulei

  • Uses mineral oil for cooling
  • High efficiency
  • Durată lungă de viață
  • Suitable for outdoor use

2. Transformator de tip uscat

  • Răcit cu aer (fara ulei)
  • Safe and eco-friendly
  • Used indoors (cladiri, hospitals)

3. Transformator din rasina turnata

  • Resin insulation
  • High fire resistance
  • Low maintenance

Main Components of a 1500kVA Transformer

A typical 1500kVA transformer includes:

  • Miez – Made of silicon steel sheets
  • Windings – Copper or aluminum
  • Insulation system
  • Cooling system (oil or air)
  • Tank and enclosure
  • Bushings
  • Tap changer

Each part ensures stable operation and safety.

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Standard Voltage Levels

A 1500kVA transformer can be designed for different voltage systems:

Tensiuni primare comune:

  • 33kV
  • 22kV
  • 11kV
  • 6.6kV

Tensiuni secundare comune:

  • 415V
  • 400V
  • 380V
  • 220V

Full Specifications of 1500kVA Transformer

Below is a comprehensive specification table covering typical configurations.

Technical Specification Table

ArticolParametruValoare
Rated PowerCapacity1500kVA
FrecvenţăStandard50Hz / 60Hz
FazăTipTrifazat
Cooling TypeOpțiuniONAN / ON OFF / UN
Insulation ClassStandardClasa A / F / H
Grup de vectoriComunDyn11 / Da0
ImpedanceTipic5% – 8%
EficienţăAt full load≥ 98%
Creșterea temperaturiiUlei / Înfășurare55°C / 65°C
Atingeți SchimbătorTipDescarcat / În sarcină
Nivel de zgomotTipic≤ 60 dB
Protection ClassIncintaIP23 / IP54

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Conductor and Current Ratings

The output current depends on voltage.

Example (400V output):

  • Current = 1500 × 1000 ÷ (√3 × 400)
  • 2165 A

Tabelul curent

Tensiune secundarăActual (A)
415V~2088 A
400V~2165 A
380V~2279 A
220V~3939 A

Dimensiuni si Greutate (Tipic)

ParametruValoare
Lungime1800 – 2400 mm
Lăţime1200 – 1800 mm
Înălţime1600 – 2200 mm
Greutate totală2500 – 5000 kg
Greutatea uleiului (if applicable)800 – 1500 kg

Nota: Values vary by manufacturer and design.

Losses in a 1500kVA Transformer

Transformers have two main losses:

1. No-Load Loss (Core Loss)

  • Occurs even without load
  • Depends on core material

2. Load Loss (Copper Loss)

  • Increases with current
  • Depends on winding resistance

Valori tipice de pierdere

TipValoare
Pierdere fără sarcină1.5 – 2.5 kW
Pierdere de sarcină10 – 18 kW

Lower losses mean higher efficiency.

Applications of 1500kVA Transformer

A 1500kVA transformer is used in many fields:

Industrial Use

  • Uzini de productie
  • Fabrici de prelucrare a alimentelor
  • Textile industries

Commercial Use

  • Mall-uri
  • Clădiri de birouri
  • Hotels

Infrastructure

  • Spitale
  • Aeroporturi
  • Centre de date

Sectorul Energetic

  • Solar power systems
  • Wind farms
  • Substații

Advantages of Using a 1500kVA Transformer

Capacitate mare

  • Supports large loads
  • Ideal for expansion projects

Eficiență energetică

  • Low losses
  • Saves electricity costs

Fiabilitate

  • Stable voltage output
  • Durată lungă de viață

Flexibilitate

  • Works with many voltage systems
  • Customizable design

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Ghid de instalare

Proper installation is important for safety and performance.

Puncte cheie:

  • Install on a solid foundation
  • Ensure proper ventilation
  • Maintain safe clearance
  • Use correct grounding
  • Protejați de umiditate și praf

For oil transformers:

  • Check oil level regularly
  • Avoid leaks

Sfaturi de întreținere

Regular maintenance increases lifespan.

Routine Checks:

  • Verificați izolația
  • Check temperature
  • Monitor noise
  • Test oil quality

Program recomandat:

  • Monthly visual check
  • Annual full inspection

How to Choose the Right 1500kVA Transformer

When selecting a transformer, considera:

1. Load Requirement

  • Calculate total load
  • Add safety margin

2. Nivel de tensiune

  • Match your system voltage

3. Mediul de instalare

  • Interior → Tip uscat
  • Outdoor → Oil type

4. Metoda de răcire

  • Natural or forced cooling

5. Standarde

  • IEC / ANSI / GB compliance

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Common Standards for 1500kVA Transformers

  • IEC 60076
  • ANSI C57
  • GB/T 1094

These standards ensure quality and safety.

Cost Factors of 1500kVA Transformer

The price depends on:

  • Material (cupru vs aluminiu)
  • Tip de răcire
  • Brand and manufacturer
  • Custom specifications
  • Accessories (protection, monitorizare)

Typical price range:

  • $10,000 – $40,000 (varies widely)

Întrebări frecvente

1. Is 1500kVA suitable for a factory?

Da, it is ideal for medium-sized factories.

2. What is the lifespan?

Usually 20–30 de ani cu intretinere corespunzatoare.

3. Poate fi folosit in aer liber?

Da, especially oil-immersed types.

4. What protection is needed?

  • Overcurrent protection
  • Temperature protection
  • Surge protection

1500kVA transformer manufacturer

A 1500transformator kVA is a reliable and efficient solution for medium to large power needs. It is widely used across industries due to its high capacity, flexibilitate, si durabilitate.

By understanding its specifications, aplicatii, and maintenance requirements, you can choose the right transformer for your project and ensure long-term performance.

We DOS Group Comany are 1500kVA transformer manufacturer.