Rectifier Transformers

As a prominent manufacturer, supplier and exporter of Rectifier Transformers, we meet perfect needs of various industrial applications, with excellent primary voltages and power ratings. These can be used for effective process control by using new voltage / current control methods. Using core technology, advanced components and thorough techniques we bring forth just perfect Rectifier Power Transformers that ensure low maintenance, operation reliability and safety. As a result these are widely used in industries like chemical plant and alumina plant etc.

Key Features:

Excellent Voltage Regulation
Very Less Noise During Operations
Rigid, Compact And Modern Construction
Withstanding Overloading
Suitable For Electrochemical Processes
Available in different models.
There are more options for free, forced or fan cooling.
Regulated configurations with tight voltage control,
Unregulated configurations for ingenuity and Credibility.
The main features clean input of power with low harmonic distortion.
They have minimum output current ranging up to 10 KA DC with primary voltage up to 33 KV.
Transformer rectifiers are highly efficient and requires minimum maintenance.

Reactor Transformers

Minimum Order Quantity : 1 Unit

Coil Material:Silicon steel

Coil Number:Double Winding

Coil Structure:Winding Type

Cooling Type:ONAN/AN

Frequency (MHz):50 Hertz (HZ)

High Voltage:33000 Volt (V)

Material:Copper

Phase:Three Phase

Power Scope:Upto 2 MVA

Product Type:Oil Immersed

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Reactor Transformer is an oil immersed type multiphase electrical unit which is designed and developed as per the electrical engineering standards that makes it highly efficient in operation. It is widely used in power distribution AC networks to limit the overvoltage during transmission. Premium grade copper is used for the which results in very low heat generation and energy loss during operation. The external body of the offered Reactor Transformers gives higher protection against harsh atmospheric conditions that makes it suitable for outdoor conditions.

Advanced Construction for Superior Performance

Utilizing high-quality copper and silicon steel, our reactor transformers use a double winding structure, expertly designed for three-phase systems. This enhances the operational reliability and reduces energy losses. With cooling achieved through ONAN/AN methods, the transformers maintain optimal temperature even during demanding conditions, ensuring long-term stability and safety.

Powerful Capabilities for Versatile Applications

With a rating of up to 2 MVA and high voltage handling of 33,000 Volts, these transformer units are engineered for heavy-duty and utility-scale projects. They are suited for manufacturers and service providers across production, export, and supply sectors, offering unparalleled adaptability and efficiency for industrial, commercial, and infrastructure deployments throughout India.

FAQ's of Reactor Transformers:

Q: How does the ONAN/AN cooling system in these reactor transformers operate?

A: The ONAN/AN cooling type utilizes natural air movement (Air Natural) and oil (Oil Natural) circulation to dissipate heat, ensuring that the transformer remains within safe temperature limits during operation. This makes maintenance easier and prolongs equipment life.

Q: What are the main benefits of using silicon steel and copper in the coil construction?

A: Silicon steel is employed for its excellent magnetic properties, which help minimize core losses, while copper ensures superior conductivity and durability. The combination provides efficient energy transfer, reduced losses, and long-lasting performance of the transformer.

Q: When should a transformer with a power scope up to 2 MVA and 33,000 V be used?

A: Such transformers are best suited for medium- to large-scale industrial or utility applications where reliable high-voltage energy management is required, especially in three-phase systems demanding robust power distribution and regulation.

Q: Where are these reactor transformers commonly installed in India?

A: They are commonly deployed in industrial plants, power substations, renewable energy projects, and utility grids throughout India, wherever substantial voltage regulation and dependable power transmission are necessary.

Q: What is the process for procuring these transformer units from your company?

A: Interested customers can connect with us directly for consultation and specification alignment. Once the requirements are finalized, we handle manufacturing, quality checks, and timely delivery through our extensive supply and service network across India.

Q: How are the double winding and three-phase designs advantageous for users?

A: Double winding configurations and three-phase compatibility enhance system flexibility, improve voltage regulation, and enable more efficient power handling in complex electrical networks, offering users a robust solution for modern energy needs.

Q: What specific industries benefit most from these reactor transformers?

A: Industries such as manufacturing, mining, power generation, and renewable energy sectors benefit significantly from these reactor transformers due to their capacity for high voltage, three-phase power, and resilient operating structure.

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Industrial Rectifier Transformers

Minimum Order Quantity : 1 Unit

Capacity:Up to 5000 kVA

Coil Material:Other , Electrolytic Copper

Coil Number:Other, Double

Coil Structure:Other, Layer wound

Cooling Type:ONAN/ONAF (Oil Natural Air Natural/Oil Natural Air Forced)

Dimension (L*W*H):3200mm x 1600mm x 2300mm

Efficiency:99.9%

Frequency (MHz):50 Hertz (HZ)

High Voltage:11 kV to 33 kV

Load Loss:As per IEC/IS standards

Low Voltage:380 V to 690 V

Material:Copper

Operating Temperature:-25C to +45C

Output:Product wise

Phase:Three Phase

Power Scope:100 kVA to 5000 kVA

Product Type:Other, Industrial Rectifier Transformer

Rated Voltage:Up to 33 kV

Standard:IS 2026 / IEC 60076

Usage:Industrial rectification and DC applications

Voltage Booster Type:Other, Tap changing under load (OLTC/Off-circuit)

Weight:3200 kg (for standard models)

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Constructed a modern infrastructure base and manufacturing unit, we are engaged in manufacturing and exporting Industrial Rectifier Transformers. Suitable for converting direct current to alternating current, these rectifier transformers are immensely used for different electrical applications. These rectifier transformers are engineered at our well-equipped manufacturing unit using tested quality components & materials. In addition to this, these Industrial Rectifier Transformers are stringently tested in order to deliver flawless range at client's end.

Industrial Rectifier Transformers Features:

Available in different models.
There are more options for free, forced or fan cooling.
Regulated configurations with tight voltage control,
Unregulated configurations for ingenuity and Credibility.
The main features clean input of power with low harmonic distortion.
They have minimum output current ranging up to 10 KA DC with primary voltage up to 33 KV.
Transformer rectifiers are highly efficient and requires minimum maintenance.
Resistant to adverse conditions
Easy installation
Impeccable efficiency

Technical details

Phase	Three Phase
Application of Transformer	Power / Distribution / Furnace etc.
transformers ranges	up to 10 KA DC
voltage	up to 33 KV.
Capacity Of Transformer	kV
Primary Voltage Ratio	kV
Secondary Voltage Ratio	Fremycetin Sulphate B.P. 1% w/w
Type of Transformer	Oil Cooled / Air Cooled VPI or CRT

Precision and Performance for Industrial Applications

These transformers are engineered for environments demanding superior rectification and DC output. With advanced winding techniques, thermal stability, and copper bus bar terminals, users gain unmatched operational reliability. Floor mounting and epoxy-coated bodies guarantee endurance against industrial stresses and harsh outdoor climates.

Adaptable and Customizable Power

With capacities up to 5000 kVA and flexible tap ranges (5% in 2.5% steps), these units match diverse industrial requirements. Options for ONAN/ONAF cooling and OLTC/off-circuit tap changing further elevate their adaptability across various DC-driven operations, ensuring steady power flow and minimized losses.

FAQ's of Industrial Rectifier Transformers:

Q: How does the OLTC (On Load Tap Changer) work in the transformer?

A: The OLTC (On Load Tap Changer) allows adjustment of transformer output voltage without interrupting the supply. This is beneficial in industrial processes requiring continuous voltage regulation, especially under variable load conditions.

Q: What industries benefit most from these rectifier transformers?

A: Industries involved in electrolysis, DC traction, smelting, rolling mills, and chemical manufacturing primarily benefit due to their need for consistent DC power and high load handling. Applications requiring precise voltage control and minimal downtime find these transformers ideal.

Q: When is periodic maintenance needed for optimal transformer performance?

A: Routine maintenance is advised annually or as per the manufacturer's schedule. Key activities include oil quality testing (as per IS 335/IEC 60296), checking terminal integrity, and ensuring insulation and cooling systems operate efficiently.

Q: Where can these transformers be installed?

A: These transformers are suitable for both indoor and outdoor sites. Their epoxy powder-coated enclosures and robust construction provide substantial protection against humidity (up to 95% RH), dust, and temperature fluctuations.

Q: What process is involved in the installation of a floor-mounted transformer?

A: Installation starts with preparing a solid and level foundation. The transformer is then securely positioned using integrated mounting points, followed by connection of high and low voltage terminals via the copper bus bars. All electrical and grounding arrangements are finalised as per safety regulations.

Q: How does the high efficiency of 99.9% benefit industrial users?

A: A 99.9% efficiency translates to minimal energy loss during operation, resulting in substantial savings on electricity, reduced cooling demands, and overall lower lifetime operational costs-critical for large-scale industrial units.

Q: What is the expected service life and under what conditions is it validated?

A: These transformers are designed for a service life of 20 years when operated within specified conditions (ambient temperatures -25C to +45C, up to 95% RH). Adherence to IS/IEC standards in manufacturing ensures reliability throughout their expected lifespan.

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Electrical Rectifier Transformer

Price: 300000 INR

Unit

Minimum Order Quantity : 1 Unit

Capacity:500 kVA to 4000 kVA

Coil Material:Other , Copper

Coil Number:Other, 2 to 4

Coil Structure:Laminated Core

Cooling Type:Oil Cooled (ONAN/ONAF)

Dimension (L*W*H):2200 x 1500 x 2100 mm

Efficiency:99.9%

Frequency (MHz):50 Hertz (HZ)

High Voltage:11 kV

Load Loss:1.3% to 2% at full load

Low Voltage:415 V / 690 V

Material:Copper

Operating Temperature:-25C to +50C

Output:Product wise

Phase:Three Phase

Power Scope:Customized as per requirements

Product Type:Other, Electrical Rectifier Transformer

Rated Voltage:11 kV or as specified

Standard:IS 2026/IS 1180/IEC 60076

Usage:Electrolytic and Industrial Applications

Voltage Booster Type:Other, Tapping Type

Weight:1500 kg (approx.)

Know More

We manufacture and export wide range of electrical rectifier transformers, electrical power transformers, rectifying transformers, 12 pulse rectifying transformer, 6 pulse rectifying transformer, 12 pulse rectifier transformer, 6 pulse rectifier transformer, cooling transformers and industrial rectifier transformers.

High Efficiency & Longevity

Engineered for consistent performance, this transformer achieves an impressive efficiency of 99.9% and is built to last with a typical service life of 25 years. Its anti-corrosive epoxy surface and robust construction ensure dependability over decades, minimizing operational disruptions.

Advanced Safety & Protection

Multiple advanced safety features, such as overload and short circuit protection, Buchholz relay, and oil temperature indicators, safeguard both equipment and personnel. These systems help prevent faults and prolong the transformer's operational lifespan, ensuring continuous, safe operation.

Flexible Customization & Mounting

Designed for versatility, the transformer can be floor mounted on a skid base, with options for Off Circuit (OCTC) or On Load Tap Change (OLTC). Both enclosure (IP54/IP55) and output ratings can be tailored to specific industrial requirements, making it highly adaptable for varied applications across India and beyond.

FAQ's of Electrical Rectifier Transformer:

Q: How does the Off Circuit Tap Changer (OCTC) or On Load Tap Changer (OLTC) benefit transformer operation?

A: The Off Circuit Tap Changer (OCTC) and On Load Tap Changer (OLTC) allow for voltage adjustments to ensure optimal output, compensating for variations in power supply or load. OLTC enables tap changes during operation, while OCTC requires powering down, providing options to suit different operational needs.

Q: What safety and protection mechanisms are integrated into this rectifier transformer?

A: This transformer is equipped with overload and short circuit protection, a Buchholz relay for gas detection, and an oil temperature indicator. Together, these systems provide comprehensive protection against common transformer faults, enhancing operational safety and reducing downtime risks.

Q: When should maintenance be scheduled for this transformer to ensure reliable service life?

A: It is recommended to carry out routine inspections and preventive maintenance every 6 to 12 months. Key checks include monitoring oil temperature, reviewing the integrity of protective devices, and assessing coolant and insulation conditions to support the transformer's 25-year service life.

Q: Where is this transformer suitable for installation, considering its technical specifications?

A: With ambient temperature endurance from -10C to +55C, IP54/IP55 enclosure for dust and moisture resistance, and a robust skid base for floor mounting, this transformer is ideal for industrial environments such as factories or electrolytic plants across diverse geographical conditions in India and similar regions.

Q: What is the typical process for customizing the power scope and output ratings of the transformer?

A: Customization is available based on client requirements, including selection of low voltage (415 V/690 V), high voltage (11 kV), capacity (500 to 4000 kVA), and additional features such as enclosure type. The process involves technical consultation to define operational needs, followed by tailored manufacturing.

Q: How is the transformer protected against environmental elements and corrosion?

A: The outer surfaces are coated with anti-corrosive epoxy paint for enhanced durability in harsh conditions, while the IP54/IP55 enclosure rating protects against dust and water ingress. These features together ensure the transformer remains reliable even in demanding industrial environments.

Q: What are the main benefits of using this electrical rectifier transformer in industrial applications?

A: This transformer delivers high efficiency (99.9%), low load loss, and robust safety features, ensuring stable power delivery and reduced operating costs. The modular, customizable design supports a wide array of industrial needs, while its long service life translates into lower total cost of ownership.

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Rectifier transformer

Price: 200000 INR

Piece

Minimum Order Quantity : 1 Piece

Capacity:5000 kVA

Coil Material:Other , High Conductivity Copper

Coil Number:Double Winding

Coil Structure:Other, Layer Wound

Cooling Type:ONAN (Oil Natural Air Natural)

Dimension (L*W*H):2600 mm x 1350 mm x 1900 mm

Efficiency:98%

Frequency (MHz):50/60 Hz

High Voltage:Up to 33 kV

Load Loss:â¤ 2.8 kW

Low Voltage:380 V to 1000 V

Material:Copper and Silicon Steel Core

Operating Temperature:-25Â°C to +45Â°C

Output:DC Output

Phase:Three Phase

Power Scope:Up to 5000 kVA

Product Type:Other, Rectifier Transformer

Rated Voltage:11 kV / 415 V

Usage:Industrial Rectification

Voltage Booster Type:Other, Step Down

Weight:Approx. 3500 kg

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Power Rectifier Transformer

Minimum Order Quantity : 1 Unit

Capacity:As per requirements, typically 100 kVA to 3000 kVA

Coil Material:Other , High conductivity copper

Coil Number:Other, Multiple windings

Coil Structure:Other, Layer Wound

Cooling Type:ONAN/ONAF (Oil Natural Air Natural/Oil Natural Air Forced)

Dimension (L*W*H):Customized, e.g. 2300x1800x2500 mm

Efficiency:99.9%

Frequency (MHz):50 Hertz (HZ)

High Voltage:Up to 33,000 V

Load Loss:Low, optimized for industrial use

Low Voltage:Up to 1500 V

Material:Copper

Operating Temperature:-25C to +40C

Output:Product wise

Phase:Three Phase

Power Scope:Up to 3000 kVA

Product Type:Other, Power Rectifier Transformer

Rated Voltage:Up to 33 kV

Standard:IS 2026, IEC 60076

Usage:Industrial power rectification

Voltage Booster Type:Other, Step Down/Rectifier Booster

Weight:Varies as per design, typically 2000-7000 kg

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The rectifier transformer is designed suitably for the harmonics generated in the system so that overheating of core and windings is avoided. ONAN /ONAF/OWFW cooling options are provided with conventional pressed steel radiators in these rectifying transformers. The power rectifier transformers are designed suitably to withstand harmonics generated in the system to avoid overheating of core and windings.

Engineered for Demanding Industrial Applications

Designed to handle the toughest industrial environments, this rectifier transformer offers high voltage (up to 33,000 V) and large capacity (up to 3000 kVA) with robust construction. Its adaptable mounting, custom dimensions, and advanced cooling systems make it ideal for factories, processing units, and more.

Maximum Reliability and Longevity

Built with high-conductivity copper windings and a laminated low-loss core, our transformer ensures minimal energy loss and reliable operation over more than 25 years with regular maintenance. Advanced surface treatment and protective features guard against corrosion, humidity, and dust, extending service life.

Advanced Features and Versatile Options

Choose from On Load or Off Load Tap Changers, customized winding connections, and rectifier configurations (6, 12, or 24 pulse) tailored to your process needs. Integrated accessories like Buchholz relay, temperature indicator, and harmonic filters support seamless, safe, and energy-efficient performance.

FAQ's of Power Rectifier Transformer:

Q: How is the Power Rectifier Transformer suitable for high-humidity and industrial environments?

A: Designed to operate in ambient humidity up to 95% RH (non-condensing), the transformer includes protection up to IP54 (as requested) and an anti-corrosive paint finish, making it highly resistant to moisture, dust, and harsh industrial conditions.

Q: What rectifier configurations and tap changer options are available?

A: The transformer supports flexible rectifier configurations (6-pulse, 12-pulse, 24-pulse) and offers both On Load and Off Load Tap Changer options, allowing adaptation to varied applications requiring voltage adjustment or harmonic reduction.

Q: When should I opt for harmonic suppression or additional filtering?

A: Harmonic suppression should be selected for applications where sensitive equipment or regulatory compliance requires low harmonic distortion. Integrated filter options are available to help maintain power quality and efficient equipment operation.

Q: Where can this transformer be installed, and what are the mounting and dimension options?

A: The unit is floor mounted and can be supplied in customized dimensions (e.g., 2300x1800x2500 mm), ensuring compatibility with a wide range of industrial sites. Its robust construction and protection ratings allow installation both indoors and in sheltered outdoor locations.

Q: What is the maintenance process, and how does it impact service life?

A: Regular maintenance involves checking oil levels, monitoring temperature via integrated indicators, and ensuring all protective devices (such as Buchholz relays) are functional. With proper upkeep, the transformer is designed to provide reliable service for over 25 years.

Q: How is efficiency and noise controlled in this transformer?

A: The low-loss laminated core ensures up to 99.9% efficiency, while integrated design measures keep operational noise below 65 dB at 1 meter-ensuring energy savings, regulatory compliance, and a safer working environment.

Q: What are the benefits of using high-conductivity copper for the windings?

A: High-conductivity copper reduces resistive losses, improves overall efficiency, and enhances short-circuit strength, ensuring reliable and robust transformer performance even under demanding industrial loads.

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