1500Pengubah kVA: Pengeluar, Spesifikasi, dan harga

A 1500pengubah kVA is a widely used power transformer in industrial, komersial, dan projek infrastruktur. 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, aplikasi, and a full specification table to help you choose the right model.

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What Is a 1500kVA Transformer?

A 1500pengubah 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: aruhan elektromagnet.

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:

  • Nisbah voltan = Nisbah pusingan
  • Kuasa kekal hampir malar (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. Transformer Rendam Minyak

  • Uses mineral oil for cooling
  • High efficiency
  • Hayat perkhidmatan yang panjang
  • Suitable for outdoor use

2. Pengubah Jenis Kering

  • Disejukkan udara (tiada minyak)
  • Safe and eco-friendly
  • Used indoors (bangunan, hospitals)

3. Pengubah Resin Tuang

  • Resin insulation
  • High fire resistance
  • Penyelenggaraan yang rendah

Main Components of a 1500kVA Transformer

A typical 1500kVA transformer includes:

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

Voltan Utama Biasa:

  • 33kV
  • 22kV
  • 11kV
  • 6.6kV

Voltan Sekunder Biasa:

  • 415V
  • 400V
  • 380V
  • 220V

Full Specifications of 1500kVA Transformer

Below is a comprehensive specification table covering typical configurations.

Technical Specification Table

itemParameterNilai
Rated PowerKapasiti1500kVA
KekerapanStandard50Hz / 60Hz
fasaJenisTiga fasa
Cooling TypePilihanONAN / HIDUP MATI / AN
Insulation ClassStandardKelas A / F / H
Kumpulan VektorBiasaDyn11 / ya0
Impedanstipikal5% – 8%
KecekapanAt full load≥ 98%
Kenaikan SuhuMinyak / Penggulungan55°C / 65°C
Ketik PenukarJenisTidak memuatkan / Atas beban
Tahap Kebisingantipikal≤ 60 dB
Protection ClassKepunganIP23 / 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

Jadual Semasa

Voltan Sekundersemasa (A)
415V~2088 A
400V~2165 A
380V~2279 A
220V~3939 A

Dimensi dan Berat (tipikal)

ParameterNilai
Panjang1800 – 2400 mm
Lebar1200 – 1800 mm
Ketinggian1600 – 2200 mm
Jumlah Berat2500 – 5000 kg
Berat Minyak (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

Nilai Kehilangan Biasa

JenisNilai
Kehilangan tanpa beban1.5 – 2.5 kW
Kehilangan beban10 – 18 kW

Lower losses mean higher efficiency.

Applications of 1500kVA Transformer

A 1500kVA transformer is used in many fields:

Industrial Use

  • Kilang pembuatan
  • Kilang pemprosesan makanan
  • Textile industries

Commercial Use

  • Pusat beli-belah
  • Bangunan pejabat
  • Hotels

Infrastructure

  • Hospital
  • Lapangan terbang
  • Pusat data

Sektor Tenaga

  • Solar power systems
  • Ladang angin
  • Pencawang

Advantages of Using a 1500kVA Transformer

Kapasiti Tinggi

  • Supports large loads
  • Ideal for expansion projects

Kecekapan Tenaga

  • Low losses
  • Saves electricity costs

Kebolehpercayaan

  • Stable voltage output
  • Hayat perkhidmatan yang panjang

Fleksibiliti

  • Works with many voltage systems
  • Customizable design

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Garis Panduan Pemasangan

Proper installation is important for safety and performance.

Perkara Utama:

  • Install on a solid foundation
  • Ensure proper ventilation
  • Maintain safe clearance
  • Use correct grounding
  • Lindungi daripada kelembapan dan habuk

For oil transformers:

  • Check oil level regularly
  • Avoid leaks

Petua Penyelenggaraan

Regular maintenance increases lifespan.

Routine Checks:

  • Periksa penebat
  • Check temperature
  • Monitor noise
  • Test oil quality

Jadual Disyorkan:

  • Monthly visual check
  • Annual full inspection

How to Choose the Right 1500kVA Transformer

Apabila memilih transformer, pertimbangkan:

1. Load Requirement

  • Calculate total load
  • Add safety margin

2. Tahap Voltan

  • Match your system voltage

3. Persekitaran Pemasangan

  • Dalaman → Jenis kering
  • Outdoor → Oil type

4. Kaedah Penyejukan

  • Natural or forced cooling

5. Piawaian

  • 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:

  • bahan (tembaga vs aluminium)
  • Jenis penyejukan
  • Brand and manufacturer
  • Custom specifications
  • Accessories (protection, pemantauan)

Typical price range:

  • $10,000 – $40,000 (varies widely)

Soalan Lazim

1. Is 1500kVA suitable for a factory?

ya, it is ideal for medium-sized factories.

2. What is the lifespan?

Usually 20–30 tahun dengan penyelenggaraan yang betul.

3. Bolehkah ia digunakan di luar rumah?

ya, especially oil-immersed types.

4. What protection is needed?

  • Overcurrent protection
  • Temperature protection
  • Surge protection

1500kVA transformer manufacturer

A 1500pengubah kVA is a reliable and efficient solution for medium to large power needs. It is widely used across industries due to its high capacity, fleksibiliti, dan ketahanan.

By understanding its specifications, aplikasi, 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.