Transformer and CTPT
Manufacturer and supplier of Transformer And CTPT. Providing you the best range of Transformer and CTPT such as CTPT Metering Set and Transformer with effective & timely delivery.
Power-Grid Switchgears Pvt. Ltd. is a trusted Transformer Manufacturer and Supplier in India, offering premium-quality power transformers, distribution transformers, isolation transformers, dry-type transformers, and custom-built transformers for industrial, commercial, and utility applications. Our transformers are manufactured using high-grade raw materials, advanced technology, and strict quality control procedures to ensure excellent performance, energy efficiency, safety, and long service life.
Transformers play a vital role in electrical power transmission and distribution by transferring electrical energy between circuits through electromagnetic induction. They help increase or decrease voltage levels, reduce transmission losses, improve power quality, and ensure a reliable electricity supply across industries, residential areas, infrastructure projects, and power utilities.
A transformer is a static electrical device designed to transfer electrical energy from one circuit to another without changing the frequency. It works on the principle of electromagnetic induction and is used to step up or step down voltage according to system requirements. Transformers are essential components of power plants, substations, factories, commercial buildings, renewable energy projects, and electrical distribution networks.
Modern transformers are engineered for maximum efficiency, low maintenance, and reliable operation under varying environmental conditions. They are available in different capacities, voltage ratings, insulation classes, and cooling methods to suit diverse industrial applications.
Power-Grid Switchgears Pvt. Ltd. supplies a wide range of transformers suitable for various electrical applications throughout India.
Power Transformer
Designed for high-voltage transmission networks, power transformers efficiently transfer electrical power over long distances with minimal energy losses.
Distribution Transformer
Distribution transformers are widely used in residential, commercial, and industrial power distribution systems to supply electricity safely and efficiently.
Isolation Transformer
Isolation transformers provide electrical isolation between input and output circuits, improving safety and protecting sensitive electrical equipment.
Dry Type Transformer
Dry-type transformers are air-cooled, fire-resistant, environmentally friendly, and ideal for indoor installations where oil-filled transformers are not suitable.
Oil Filled Transformer
Oil-filled transformers use insulating oil for cooling and insulation, making them suitable for heavy-duty industrial and outdoor applications.
Custom Built Transformer
We also manufacture customized transformers based on customer specifications, voltage ratings, power capacities, installation requirements, and industry standards.
• High Energy Efficiency
• Low Power Losses
• Heavy Duty Construction
• Superior Copper or Aluminium Windings
• High Grade CRGO Core
• Excellent Voltage Regulation
• Reliable Performance
• Low Noise Operation
• Long Service Life
• Easy Installation
• Low Maintenance
• Corrosion Resistant Body
• Tested for Quality and Safety
• Suitable for Indoor and Outdoor Installation
Transformers are used across numerous industries and infrastructure projects including:
• Electrical Substations
• Power Generation Plants
• Renewable Energy Projects
• Solar Power Plants
• Wind Energy Systems
• Manufacturing Industries
• Steel Plants
• Cement Plants
• Chemical Industries
• Oil & Gas Facilities
• Commercial Buildings
• Hospitals
• Data Centers
• Educational Institutions
• Airports
• Railways
• Metro Projects
• Smart Cities
• Residential Townships
Choosing the right transformer manufacturer directly impacts the efficiency and reliability of your electrical infrastructure. At Power-Grid Switchgears Pvt. Ltd., we focus on delivering products that meet national and international quality standards.
Our advantages include:
• Premium Quality Products
• Competitive Pricing
• Customized Manufacturing
• Fast Delivery Across India
• Experienced Engineering Team
• Latest Manufacturing Technology
• Strict Quality Inspection
• Technical Support
• Excellent Customer Service
• Long-Term Product Reliability
Without transformers, long-distance electricity transmission would be highly inefficient and expensive. Transformers allow electrical power to be transmitted at high voltages, significantly reducing current and minimizing transmission losses. At the receiving end, transformers safely reduce the voltage for industrial, commercial, and residential use. This makes transformers one of the most essential components in every electrical power system.
Whether it is a power generation station, industrial facility, commercial complex, or renewable energy project, selecting a high-quality transformer ensures operational efficiency, improved safety, reduced maintenance costs, and long-term performance.
A transformer works on the principle of electromagnetic induction. When alternating current (AC) flows through the primary winding, it creates a magnetic field in the transformer core. This magnetic field induces voltage in the secondary winding without any direct electrical connection between the two windings. Depending on the number of turns in the primary and secondary windings, the transformer either increases (step-up transformer) or decreases (step-down transformer) the voltage while maintaining the same frequency.
This efficient transfer of electrical energy makes transformers an essential part of modern power transmission and distribution systems. They help reduce transmission losses, improve voltage regulation, and ensure a stable power supply for industrial, commercial, and residential applications.
Every transformer consists of several important components that work together to provide safe and efficient power transfer.
Transformer Core
The core is manufactured from high-grade CRGO (Cold Rolled Grain Oriented) steel laminations to minimize eddy current and hysteresis losses while improving efficiency.
Primary Winding
The primary winding receives electrical power from the input supply and generates the magnetic flux required for energy transfer.
Secondary Winding
The secondary winding delivers electrical power at the required voltage to the connected load.
Insulation System
Premium insulation materials protect the windings against electrical faults, overheating, and moisture, ensuring long service life.
Transformer Tank
The transformer tank provides mechanical protection and houses the core, windings, and insulating oil in oil-filled transformers.
Cooling System
Depending on the transformer type, cooling is achieved through insulating oil, natural air, forced air, or radiator systems to maintain optimum operating temperature.
Bushings
High-quality bushings provide safe electrical connections between the transformer windings and external circuits.
Tap Changer
Tap changers allow voltage adjustment to maintain a stable output despite fluctuations in the input supply.
Power-Grid Switchgears Pvt. Ltd. manufactures transformers in various specifications to meet different industrial and utility requirements.
• Capacity: 25 kVA to 50 MVA and above
• Voltage Class: LT, HT and EHV Applications
• Frequency: 50 Hz
• Phase: Single Phase & Three Phase
• Cooling Type: ONAN, ONAF, Dry Type and Air Cooled
• Core Material: High Grade CRGO Steel
• Winding Material: Copper or Aluminium
• Vector Groups Available as Required
• Indoor & Outdoor Installation
• IS and IEC Standard Manufacturing
Investing in a premium-quality transformer provides long-term operational and financial advantages.
• Excellent Energy Efficiency
• Lower Electricity Losses
• Improved Voltage Stability
• Reduced Operating Cost
• Long Equipment Life
• Enhanced Electrical Safety
• Reliable Continuous Operation
• Lower Maintenance Requirements
• High Mechanical Strength
• Better Short Circuit Withstand Capacity
• Environment-Friendly Design
• Consistent Performance Under Heavy Loads
Power-Grid Switchgears Pvt. Ltd. supplies transformers for a wide range of industries across India.
• Power Utilities
• Electrical Contractors
• EPC Companies
• Solar Power Projects
• Wind Energy Projects
• Infrastructure Projects
• Smart City Developments
• Industrial Manufacturing Plants
• Steel Industries
• Cement Plants
• Textile Industries
• Pharmaceutical Industries
• Food Processing Units
• Chemical Industries
• Oil & Gas Sector
• Mining Industry
• Railways
• Metro Rail Projects
• Airports
• Hospitals
• Educational Institutions
• Commercial Buildings
• Residential Townships
Proper installation is essential for achieving maximum efficiency and long service life. Before installation, the foundation should be level and capable of supporting the transformer's weight. Adequate ventilation should be provided to prevent overheating. Electrical connections must be tightened correctly, earthing should comply with applicable standards, and insulation resistance should be checked before energizing the transformer. Installation should always be carried out by qualified electrical professionals.
Regular maintenance helps improve performance and reduces the risk of unexpected failures. Periodic inspection of bushings, oil level, winding temperature, cooling systems, and electrical connections is recommended. Transformer oil should be tested for dielectric strength and moisture content at regular intervals. Cleaning external surfaces, tightening loose terminals, checking earthing connections, and monitoring load conditions also contribute to longer service life and reliable operation.
At Power-Grid Switchgears Pvt. Ltd., every transformer undergoes strict quality inspection before dispatch. Products are manufactured in accordance with relevant Indian Standards (IS) and International IEC standards. Routine tests, type tests, insulation tests, temperature rise tests, winding resistance tests, and high-voltage tests are performed to ensure superior quality, safety, and dependable field performance.
With years of experience in the electrical industry, Power-Grid Switchgears Pvt. Ltd. has established itself as a trusted transformer manufacturer and supplier in India. We focus on delivering reliable products, competitive pricing, timely delivery, technical expertise, and excellent after-sales support. Our commitment to quality, innovation, and customer satisfaction makes us the preferred choice for utilities, industries, contractors, and infrastructure developers across the country.
Choosing the right transformer is essential for ensuring a safe, reliable, and energy-efficient electrical system. Whether you require a distribution transformer for commercial applications, a power transformer for utility projects, or a custom-designed transformer for industrial operations, selecting a trusted manufacturer is crucial for long-term performance and operational safety.
Power-Grid Switchgears Pvt. Ltd. is committed to delivering high-quality transformers that meet the latest Indian and international standards. Manufactured using premium-grade materials and advanced engineering practices, our transformers offer excellent efficiency, low maintenance, reliable performance, and long service life. We proudly serve industries, power utilities, EPC contractors, infrastructure developers, renewable energy projects, and commercial establishments across India with dependable transformer solutions tailored to diverse requirements.
A transformer is a static electrical device used to transfer electrical energy between circuits by electromagnetic induction while maintaining the same frequency.
Transformers increase or decrease voltage levels for efficient power transmission and safe electricity distribution.
Common types include power transformers, distribution transformers, isolation transformers, dry-type transformers, oil-filled transformers, and auto transformers.
Power transformers are mainly used in transmission networks, while distribution transformers are used to supply electricity to end users.
A step-up transformer increases voltage from the primary winding to the secondary winding.
A step-down transformer reduces voltage to a lower level suitable for electrical equipment.
An oil-filled transformer uses insulating oil for cooling and electrical insulation.
A dry-type transformer is air-cooled and does not use insulating oil, making it suitable for indoor installations.
The selection depends on voltage, load capacity, installation environment, and operational requirements.
A well-maintained transformer can operate efficiently for 25–40 years or more.
Regular maintenance improves reliability, extends service life, and reduces unexpected breakdowns.
Transformer efficiency is the ratio of output power to input power, expressed as a percentage.
Overloading, overheating, insulation failure, moisture, poor maintenance, and short circuits are common causes.
High-quality copper or aluminium conductors are commonly used.
Transformer cores are generally manufactured using CRGO silicon steel laminations to minimize energy losses.
Power utilities, manufacturing plants, renewable energy projects, railways, hospitals, commercial buildings, and infrastructure projects.
Yes, transformers can be designed according to customer voltage, capacity, cooling, and installation requirements.
Yes, every transformer undergoes comprehensive quality and performance testing before dispatch.
Yes, Power-Grid Switchgears Pvt. Ltd. supplies high-quality transformers throughout India.
We provide reliable, efficient, durable, and standards-compliant transformer solutions backed by technical expertise and excellent customer support.
Power-Grid Switchgears Pvt. Ltd. is a leading CTPT Manufacturer and Supplier in India, offering high-performance Current Transformer Potential Transformer (CTPT) units for power transmission, distribution, industrial plants, substations, and utility applications. Our CTPT units are designed using premium-grade materials and advanced manufacturing technology to ensure accurate metering, reliable protection, long service life, and excellent electrical performance under demanding operating conditions.
CTPT (Current Transformer Potential Transformer) units are essential components in electrical power systems. They are used to safely measure high current and high voltage values by stepping them down to standardized levels suitable for measuring instruments, energy meters, relays, and protection systems. High-quality CTPT equipment improves the accuracy, safety, and reliability of electrical installations.
CTPT stands for Current Transformer and Potential Transformer. It is a combination of two instrument transformers used for measurement and protection in medium-voltage and high-voltage electrical systems. The Current Transformer (CT) converts high line current into a lower measurable current, while the Potential Transformer (PT), also known as a Voltage Transformer (VT), reduces high system voltage to a safe value for meters and protective relays.
CTPT units are widely installed in distribution substations, HT metering systems, industrial power networks, renewable energy projects, commercial facilities, and utility power distribution systems throughout India.
A CTPT unit operates by combining the functions of both a Current Transformer and a Potential Transformer. The CT continuously measures the current flowing through the power line and converts it into a standardized secondary current, typically 1A or 5A. The PT simultaneously measures the system voltage and converts it into a standardized secondary voltage, generally 110V. These outputs are supplied to energy meters, protection relays, and monitoring equipment, enabling accurate measurement and safe operation of the electrical network.
A high-quality CTPT unit consists of several precision-engineered components designed for reliable operation.
Current Transformer (CT)
Measures high electrical current accurately and supplies proportional current to metering and protection devices.
Potential Transformer (PT)
Reduces high system voltage to a safe level for meters, relays, and control systems.
Insulation System
Provides electrical insulation, minimizes leakage current, and ensures operator safety.
Primary and Secondary Windings
Manufactured using high-quality copper or aluminium conductors for excellent electrical performance.
Core Assembly
Built using premium CRGO steel or equivalent magnetic materials to reduce losses and improve measurement accuracy.
Weatherproof Enclosure
Protects the internal components against dust, moisture, UV exposure, and harsh environmental conditions.
• High Metering Accuracy
• Reliable Protection Performance
• High Insulation Strength
• Low Power Losses
• Superior Electrical Stability
• Corrosion Resistant Construction
• Weatherproof Design
• Long Service Life
• Low Maintenance Requirements
• High Mechanical Strength
• Accurate Energy Measurement
• Easy Installation
• Suitable for Indoor and Outdoor Applications
• Manufactured as per IS and IEC Standards
Power-Grid Switchgears Pvt. Ltd. supplies CTPT units for a wide range of electrical applications across India.
• Electrical Substations
• HT Metering Panels
• Power Distribution Networks
• Industrial Manufacturing Plants
• Solar Power Projects
• Wind Energy Projects
• Commercial Buildings
• Smart City Infrastructure
• Railways
• Metro Projects
• Cement Industries
• Steel Plants
• Chemical Industries
• Pharmaceutical Industries
• Data Centers
• Hospitals
• Educational Institutions
• Utility Power Distribution Systems
Power-Grid Switchgears Pvt. Ltd. is committed to delivering dependable CTPT solutions that meet the needs of utilities, industries, EPC contractors, and infrastructure developers. Our products are manufactured under strict quality control procedures and are tested for accuracy, insulation performance, and reliability before dispatch.
Customers choose us because we offer:
• Premium Quality Products
• Competitive Prices
• Customized CTPT Solutions
• Timely Delivery Across India
• Experienced Technical Team
• Compliance with IS and IEC Standards
• Excellent Customer Support
• Reliable After-Sales Service
