TRANSFORMER

Product Details:

We manufacture technically advanced OLTC Distribution Transformers, which is an on-load tap changer. This transformer is used to maintain the constant voltage by changing the voltage level of the secondary winding. On-load tap changers may be generally classified as either mechanical, electronically assisted, or fully electronic. If only one tap changer is required, tap points are usually made on the high voltage or low current, side of the winding to minimize the current handling requirements of the contacts.

These transformers are predominantly used in the devices where current is required to be obtained. It obtains the current from the Secondary circuit and measures the Alternating Circuit (A.C) with the help of the conductor. They can function without any issue and transfer the current directly to the necessary circuits. These are manufactured under the expert engineer’s guidance with the latest technical know-how.

Features:

Design conforms to IS: 2026, BS 171, IEC 76 and other relevant standards

Latest manufacturing techniques to ensure cost effectiveness and reliability

Designed for 25 years of trouble – free performance

Very low power loss and low noise

Optimum utilization of active materials for sleek design Withstands electrical impulses, thermal and dynamic stresses

Most Suitable for:

Tube Mills

Educational Institutions

Residential & Commercial

Telecom Centers

Cold Storage

Rice Mills

Clubs

Rolling Plants

Pharmaceuticals Units

Food Processing Units

Additional Information:

• Item Code: SKE_Dtr_10
• Production Capacity: As per requirement
• Delivery Time: 15-20 Days
• Packaging Details: Material is packed in standard plastic foil. In case hard packaging is needed the charges will be extra at actual.

Product Details:

PVJ Power Transformers are designed and tested to the following standards:

Distribution and power transformers: IS: 2026, BS: 171 & IEC: 76

Converter transformers: IS: 4540, IEC: 146 & IEEE: 444

Furnace transformers: IS: 2026

System earthing transformers: IS: 3150 & BS: 4944

The company is capable of manufacturing transformers to any other standards as per customers'/consultants' requirements.

Additional Information:

• Item Code: SKE_8504_8
• Production Capacity: As per requirement
• Delivery Time: Ready for dispatched
• Packaging Details: Material is packed in standard plastic foil. In case hard packaging is needed the charges will be extra at actual.

Product Details:

At PVJ, every single transformer is designed according to the individual customer requirement such as Voltage, Power System Parameters, Location Geography, System Disturbance Level and many more including National / International standards with a vision of bringing reliable quality power safely to the end consumer.

PVJ Power Solutions is a BIS ISI IS:1180 (Part 1) Certified Distribution Transformer Manufacturer as per latest mandatory Quality Control Order for Distribution Transformers. Our License no. is CM/L  .

Special features of PVJ Oil type BIS ISI Marked Distribution Transformers include:

PVJ Transformers are tailor-made to each & every requirement of customers conforming to National & International Standards.

• The transformer is designed by experienced expert engineers using most modern software programmes.
• The process blueprints for each transformer is prepared advanced technologies like AutoCAD & ProE to ensure adherence to the design parameters.
• Highly skilled Transformer Production wing with state-of-the-art manufacturing facilities.
• Transformer losses are minimized by the use of high quality & high-grade CRGO laminations & Copper Conductors like PCC, CTC or Bunched PCC.
• Step lap core with multiple sheets per bag is used in the core lamination jointing.
• Reduced stray loss & transformer noise by means of proper clamping using lean structures.
• Transformer windings are made with new state of the art conductors with high-quality paper insulation manufactured under stringent quality norms.
• Transformer oil is directed to the winding to ensure efficient heat dissipation.
• Electrical stress analysis of coil assembly & insulation assembly design is done with advanced software.
• Transformers are designed & manufactured for overloading during service span as per relevant standards.
• Uniform and rigid clamping of the coil is ensured for withstanding forces during short circuits as well as in transportation & service.
• Efficient cooler design to operate under maximum stringent service conditions.
• Specially designed tanks using 3D software and manufactured with best quality steel & modern welding techniques are used to reduce oil volume and to withstand pressure during fault conditions.
• Tank stray losses are much reduced by CRGO & copper Shields.
• High-Quality reliable Transformers are manufactured under stringent quality checks at all stages.
• Incoming material quality is ensured by stringent vendor approval procedures.

 

Features:

• Design conforms to IS:1180 (Part 1) 2014, IS: 2026, BS 171, IEC 76 and other relevant standards.
• Latest manufacturing techniques to ensure cost effectiveness and reliability.
• Designed for 25 years of trouble – free performance.
• Very low power loss and low noise.
• Optimum utilization of active materials for sleek design.
• Withstands electrical impulses, thermal and dynamic stresses.

Optional Accessories:

• Magnetic Liquid Level Gauge (ANSI 71)
• Oil Temperature Gauge (ANSI 26)
• Pressure/Vacuum Gauge
• On-Load Tap Changer with RTCC Panel
• Current Transformers
• Contacts on Standard Gauges
• Pressure Relief Device (standard over 3 MVA)
• Winding Temperature Gauge (ANSI 49)
• Sudden Pressure Rise Relay (ANSI 63)
• Forced Air Cooling
• Lightning Arresters
• Load Break and Multi-Voltage Switches
• Stainless Steel Construction
• Digital Transformer Monitor
• Class 1 Div II/Marine/Corrosive Environments
• High Altitude
• Seismic Conditions and Anchoring

 

Additional Information:

• Item Code: SKE_8504_1
• Production Capacity: As per requirement
• Delivery Time: 2 Weeks
• Packaging Details: Material is packed in standard plastic foil. In case hard packaging is needed the charges will be extra at actual.

Product Details:

SHRI KHALSA ENTERPRISES offers a complete range of aluminium wound power and distribution transformers designed to grant the reliability, durability, and efficiency required in utility, industrial, and commercial applications. PVJ POWER is a major transformer manufacturer throughout the world and offers both liquid-filled and dry-type transformers as well as services for complete life-cycle support, including replacement parts and components.  Our portfolio allows utilities and industrials to maximize the return on transformer assets by ensuring a high reliability, reducing life cycle costs and ensuring optimized performance while lowering environmental impact.

Additional Information:

• Item Code: SKE_DTr_13
• Production Capacity: As per required.
• Delivery Time: 10-15 Days
• Packaging Details: Material is packed in standard plastic foil. In case hard packaging is needed the charges will be extra at actual.

Product Details:

Additional Information:

• Production Capacity: SKE_10_dtr
• Delivery Time: 15 days
• Packaging Details: Material is packed in standard plastic foil. In case hard packaging is needed the charges will be extra at actual.

Product Details:

Specializing in reliable solutions with maximum efficiency and availability. PVJ POWER Transformers support grid operators in giving their customers state-of-the-art equipment and energy that is safe and affordable.
Tailored to meet specific customer needs
Daily savings with efficient transformers
Investment pay-offs
Eco-friendly

Additional Information:

• Item Code: SKE_8504_7
• Production Capacity: As per requirement
• Delivery Time: 1-2 Weeks
• Packaging Details: Material is packed in standard plastic foil. In case hard packaging is needed the charges will be extra at actual.

Product Details:

SHRI KHALSA ENTERPRISES offers a complete range of power and distribution transformers designed to grant the reliability, durability, and efficiency required in utility, industrial, and commercial applications. PVJ POWER is a major transformer manufacturer throughout the world and offers both liquid-filled and dry-type transformers as well as services for complete life-cycle support, including replacement parts and components. 

Our portfolio allows utilities and industrials to maximize the return on transformer assets by ensuring a high reliability, reducing life cycle costs and ensuring optimized performance while lowering environmental impact.

Additional Information:

• Item Code: SKE_8504_6
• Production Capacity: As per requirement
• Delivery Time: 2-3 Weeks
• Packaging Details: Material is packed in standard plastic foil. In case hard packaging is needed the charges will be extra at actual.

Product Details:

Special Duty Transformers (SDTs) are explained by its name itself, these are made for a specific purpose / application. From designing to manufacturing everything is special and specific. Few types of SDTs are listed below :

• Dual Ratio Transformers
• Auto Transformers
• Rectifier Transformers
• Reactor Transformers
• Earthing Transformers
• LT – LT Transformers
• Dual Secondary Transformer for Solar PV Application
• Package Sub Station Transformer with RMU & LVDB

PVJ Power designs and manufactures custom designed special transformers for industrial and power applications. We offer customized maintenance and service solutions for transformers with state-of-the-art machinery & equipment and testing facilities.

In PVJ Power each transformer is designed as a new product and customized to comply with specific customer requirements. The PVJ Power engineering team covers the complete design of a transformer, from designing of core and coils to the tank and the supporting structures with proper cooling system and full protection.

Transformer engineering begins from electromagnetic and thermal design of core and windings. This activity is performed by means of standardized calculation sheets developed by our Design Department over the years. 2D and 3D FEM software tools are used for particular studies, such as: short-circuit impedances of phase-shifted multi-winding transformers, eddy

current and stray losses calculation due to harmonics, hot-spots calculation and localization on windings and carpentry, mechanical stresses due to short-circuit, insulation assessment.

Transformer mechanical design is carried out using 3D software tools allowing dimensions optimization, mechanical stress evaluation and taking into account special external conditions (Seismic Zone, Low Noise Level).

 

Each transformer is supplied with a set of basic documents describing its features and functionalities, such as fabrication drawings, HV/LV connection drawings, auxiliary circuit / schematic wiring diagrams, cooling system drawings, user’s manual.

FEATURES OF SPECIAL DUTY TRANSFORMER

High Quality Imported Prime CRGO used.

  EC Grade Copper & Aluminium used only HINDALCO make.

 High Quality Transformer Oil Used IS:335-1993.

 High Quality Complete In House Fabrication.

 Temperature, Winding, Trip & Alarm sensors (on request).

 Epoxy Diamond Dotted Paper Used in Insulation.

 Complete In House Transformer Designing.

 Ease of service – design, installation, commissioning & maintenance all in one place

 Complete In House Routine Test Facility.

 High Stock Levels kept for fast & time bound delivery.

Additional Information:

• Item Code: SKE_DTr_09
• Production Capacity: As per requirement
• Delivery Time: 20-30 Days
• Packaging Details: Packed in plastic foil.

Product Details:

Induction Furnace has coil constructed from heavy copper tubing. It is designed and tuned to the inverter circuit which applies a medium frequency (generally 500 Hz or 1000 Hz) voltage to the Induction coil. The magnetic field produced by the induction coil induces eddy currents in the charge and heats it. Medium frequency is necessary to enhance the rate of heat generation.
The inverter circuit requires for its operation a D.C. Voltage which is obtained by converting available three phase A.C. Voltage. Transformers which are used for transforming available three phase A.C. voltage to required voltage for converter circuit of the Induction Furnace are referred to as Induction Furnace Transformers. Thus they are essentially Rectifier/ Converter Duty Transformers.
Depending on the rating of the rectifier transformers, input voltage is derived from standard three phase AC distribution voltages like 433 V, 3.3 kV, 6.6 kV, 11 kV, 22 kV, 33 kV etc. These become the primary (or line side) voltage of the transformer. Secondary (or cell side) voltage can be between 400 to 1000 V decided by the required D.C. output Voltage.
These transformers must be designed to resist the high levels of electrical, thermal and mechanical stress to which they are subject during utilisation.
Other elements that must be taken into consideration when designing transformers for electric-arc furnaces are the high secondary currents required for the fusion process (dozens of kA) and the wide range of secondary voltages, which are normally regulated by an on-load tap changer (OLTC), either directly on the high-voltage winding or via an intermediate booster located within the same tank.
The furnace transformer thus has special features to handle such high currents as compared to conventional transformers. The electric arc furnace has 3 electrodes connected to the secondary terminals of the furnace transformers. The secondary terminals of the transformers are subject to frequent short circuits during the melting process through the charge and arc. Hence the furnace transformer needs to be specially designed to withstand the frequent short circuits.
_{FEATURES OF OUR FURNACE TRANSFORMER}

High Quality Imported Prime CRGO used.

 EC Grade Copper & Aluminium used only HINDALCO make.

 High Quality Transformer Oil Used IS:335-1993.

 High Quality Complete In House Fabrication.

 Temperature, Winding, Trip & Alarm sensors (on request).

 Epoxy Diamond Dotted Paper Used in Insulation.

 Complete In House Transformer Designing.

 Ease of service – design, installation, commissioning & maintenance all in one place

 Complete In House Routine Test Facility.

 High Stock Levels kept for fast & time bound delivery.

Additional Information:

• Item Code: SKE_DTr_08
• Production Capacity: As per requirement
• Delivery Time: 30 days
• Packaging Details: Packed in Plastic Foil.