1500Trasformatore kVA: Produttore, Specifiche, e prezzo

UN 1500trasformatore kVA is a widely used power transformer in industrial, commerciale, e progetti infrastrutturali. 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, applicazioni, and a full specification table to help you choose the right model.

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What Is a 1500kVA Transformer?

UN 1500trasformatore kVA is an electrical device with a rated apparent power of 1500 kilovolt-ampere (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: induzione elettromagnetica.

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:

  • Rapporto di tensione = rapporto di spire
  • La potenza rimane quasi costante (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. Trasformatore immerso nell'olio

  • Uses mineral oil for cooling
  • High efficiency
  • Lunga durata
  • Suitable for outdoor use

2. Trasformatore a secco

  • Raffreddato ad aria (niente olio)
  • Safe and eco-friendly
  • Used indoors (edifici, hospitals)

3. Trasformatore in resina colata

  • Resin insulation
  • High fire resistance
  • Bassa manutenzione

Main Components of a 1500kVA Transformer

A typical 1500kVA transformer includes:

  • Nucleo – Made of silicon steel sheets
  • Windings – Copper or aluminum
  • Insulation system
  • Cooling system (oil or air)
  • Tank and enclosure
  • Boccole
  • 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:

Tensioni primarie comuni:

  • 33kV
  • 22kV
  • 11kV
  • 6.6kV

Tensioni secondarie comuni:

  • 415V
  • 400V
  • 380V
  • 220V

Full Specifications of 1500kVA Transformer

Below is a comprehensive specification table covering typical configurations.

Technical Specification Table

ArticoloParametroValore
Rated PowerCapacità1500kva
FrequenzaStandard50Hz / 60Hz
FaseTipoTrifase
Cooling TypeOpzioniONAN / ACCESO SPENTO / UN
Insulation ClassStandardClasse A / F / H
Gruppo vettorialeComuneDin11 / Sì0
ImpedenzaTipico5% – 8%
EfficienzaAt full load≥ 98%
Aumento della temperaturaOlio / Avvolgimento55°C / 65°C
Tocca CambiaTipoScaricare / A carico
Livello di rumoreTipico≤ 60 dB
Protection ClassAllegatoIP23 / IP54

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Conductor and Current Ratings

The output current depends on voltage.

Example (400V output):

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

Tabella corrente

Tensione secondariaAttuale (UN)
415V~2088 A
400V~2165 A
380V~2279 A
220V~3939 A

Dimensioni e peso (Tipico)

ParametroValore
Lunghezza1800 – 2400 mm
Larghezza1200 – 1800 mm
Altezza1600 – 2200 mm
Peso totale2500 – 5000 kg
Peso dell'olio (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 di perdita tipici

TipoValore
Perdita a vuoto1.5 – 2.5 kW
Perdita di carico10 – 18 kW

Lower losses mean higher efficiency.

Applications of 1500kVA Transformer

A 1500kVA transformer is used in many fields:

Industrial Use

  • Impianti di produzione
  • Fabbriche di trasformazione alimentare
  • Textile industries

Commercial Use

  • Centri commerciali
  • Edifici per uffici
  • Hotels

Infrastructure

  • Ospedali
  • Aeroporti
  • Centri dati

Settore energetico

  • Solar power systems
  • Parchi eolici
  • Sottostazioni

Advantages of Using a 1500kVA Transformer

Alta capacità

  • Supports large loads
  • Ideal for expansion projects

Efficienza energetica

  • Low losses
  • Saves electricity costs

Affidabilità

  • Stable voltage output
  • Lunga durata

Flessibilità

  • Works with many voltage systems
  • Customizable design

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Linee guida per l'installazione

Proper installation is important for safety and performance.

Punti chiave:

  • Install on a solid foundation
  • Ensure proper ventilation
  • Maintain safe clearance
  • Use correct grounding
  • Proteggere dall'umidità e dalla polvere

For oil transformers:

  • Check oil level regularly
  • Avoid leaks

Suggerimenti per la manutenzione

Regular maintenance increases lifespan.

Routine Checks:

  • Ispezionare l'isolamento
  • Check temperature
  • Monitor noise
  • Test oil quality

Programma consigliato:

  • Monthly visual check
  • Annual full inspection

How to Choose the Right 1500kVA Transformer

Quando si seleziona un trasformatore, considerare:

1. Load Requirement

  • Calculate total load
  • Add safety margin

2. Livello di tensione

  • Match your system voltage

3. Ambiente di installazione

  • Interno → Tipo a secco
  • Outdoor → Oil type

4. Metodo di raffreddamento

  • Natural or forced cooling

5. Standard

  • CEI / ANSI / GB compliance

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Common Standards for 1500kVA Transformers

  • CEI 60076
  • ANSI C57
  • GB/T 1094

These standards ensure quality and safety.

Cost Factors of 1500kVA Transformer

The price depends on:

  • Materiale (rame contro alluminio)
  • Tipo di raffreddamento
  • Brand and manufacturer
  • Custom specifications
  • Accessori (protezione, monitoraggio)

Typical price range:

  • $10,000 – $40,000 (varies widely)

Domande frequenti

1. Is 1500kVA suitable for a factory?

SÌ, it is ideal for medium-sized factories.

2. What is the lifespan?

Usually 20–30 anni con una corretta manutenzione.

3. Può essere utilizzato all'aperto?

SÌ, especially oil-immersed types.

4. What protection is needed?

  • Overcurrent protection
  • Temperature protection
  • Surge protection

1500kVA transformer manufacturer

UN 1500trasformatore kVA is a reliable and efficient solution for medium to large power needs. It is widely used across industries due to its high capacity, flessibilità, e durata.

By understanding its specifications, applicazioni, 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.