Potential Transformer (PT)

Name: Potential Transformer (PT)
Brand: ESS BEE ELECTRICALS
Price: 7000 INR
Availability: InStock

Price 7000 INR/ Unit

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MOQ : 1 Unit

Potential Transformer (PT) Specification

Load Loss
Low (As per IS/IEC Standards)

Operating Temperature
-10C to +55C

Cooling Type
Dry or Oil Cooled (Epoxy Cast Dry type shown)

Coil Material
Electrolytic Copper

Standard
IS 3156 / IEC 61869-3

Dimension (L*W*H)
Approx. 400 x 225 x 320 mm (Varies with rating)

Low Voltage
110 V (Secondary Output)

Rated Voltage
Up to 33 kV

High Voltage
Up to 33,000 V

Capacity
1 VA to 500 VA

Product Type
Other

Material
Epoxy Resin Cast, Copper Winding

Output
Standard Secondary Voltage (110V/3 or as per requirement)

Frequency (MHz)
50/60 Hz

Efficiency
High

Phase
Single Phase

Usage
Electrical Voltage Measurement and Protection

Coil Structure
Toroidal

Coil Number
Single or Multi Coil

Power Scope
Up to 100 kVA

Weight
Approx. 18-30 kg (for common ratings)

Creepage Distance
As per IS/IEC standards for outdoor type

Accuracy Class
0.2, 0.5, 1.0, or as specified

Dielectric Strength
As per IS/IEC standards

Impulse Withstand Voltage
Up to 75 kVp (as per voltage class)

Mounting Type
Indoor/Outdoor Mounting

Insulation Class
Class A/B/F (as per requirement)

Potential Transformer (PT) Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
50 Units Per Day

Delivery Time
1 Days

About Potential Transformer (PT)

A potential transformer (PT), also known as a voltage transformer (VT), is an instrument transformer used in electrical power systems to step down high voltages to lower, standardized values suitable for measurement, metering, and protection purposes. It operates on the principle of electromagnetic induction, where the primary winding is connected to the high-voltage line and the secondary winding provides a reduced voltage proportional to the primary voltage. This allows instruments like voltmeters, energy meters, and protective relays to function safely and accurately without being exposed to dangerous high voltages. Potential transformers are designed to have high accuracy and maintain a constant voltage ratio under varying load conditions. They are commonly used in substations, power plants, and transmission networks. PTs also provide electrical isolation between the high-voltage system and measuring instruments, enhancing safety for both equipment and personnel. They can be classified into types such as electromagnetic PTs and capacitive voltage transformers (CVTs), depending on their construction and application. Overall, potential transformers play a crucial role in monitoring, controlling, and protecting electrical power systems.

Precision Voltage Measurement and Protection

Our PT is ideal for applications requiring precise voltage measurement and effective protection in electrical systems. Designed to comply with IS 3156 and IEC 61869-3 standards, it ensures reliable operating performance across a range of industrial and utility environments. Its high accuracy class and impulse withstand capability guarantee safe and stable operations, even under fluctuating grid conditions.

Robust Construction and Flexible Installation

The transformer is manufactured using high-quality epoxy resin and electrolytic copper, ensuring long-lasting durability and excellent insulation properties. Its design allows for both indoor and outdoor installations, and the creepage distance for outdoor models aligns with IS/IEC standards, making it suitable for varied climatic conditions in India. The dry-type epoxy cast cooling system enhances safety and reduces maintenance.

Customizable Specifications for Diverse Applications

This PT offers flexible configuration options, including single and multi-coil designs, voltage ratings up to 33 kV, and capacity from 1 VA to 500 VA. Operators can select from standard secondary voltages or customize as needed. Whether for power distribution, industrial production, or commercial protection, our transformers adapt seamlessly to your operational requirements.

FAQ's of Potential Transformer (PT):

Q: How is the Potential Transformer (PT) installed in different environments?

A: The PT is designed for flexible installation, supporting both indoor and outdoor mounting. For outdoor settings, the creepage distance and insulation are enhanced as per IS/IEC standards to withstand weather conditions. For indoor use, it provides compact dimensions for straightforward integration into control rooms or panels.

Q: What accuracy classes are available, and which should I choose?

A: The transformer is offered in accuracy classes of 0.2, 0.5, and 1.0, or as specified. Select the class based on your application's precision requirements; for critical metering, 0.2 is ideal, while general protection or monitoring may only need class 1.0.

Q: When should I consider using this PT for my electrical system?

A: Consider installing this PT during new power system setups or upgrades whenever accurate voltage measurement and reliable protection are required. Its high dielectric strength and impulse withstand voltage make it suitable for networks with fluctuating loads or exposure to transient overvoltages.

Q: Where can this PT be used effectively?

A: This PT is well-suited for power utilities, substations, industrial plants, and commercial complexes throughout India. Its compliance with Indian and international standards ensures versatile usage across various electrical environments, both for suppliers and traders.

Q: What is the process of selecting the right PT specification for my application?

A: Begin by determining your system voltage, required capacity (VA), and the desired accuracy class. Next, consider the mounting environment (indoor or outdoor), and any need for customization in output voltage or coil structure. Our team can assist in configuring a solution that fits your specific needs.

Q: How does the PT benefit electrical protection and measurement?

A: By stepping down high voltage to a standardized secondary output, the PT enables safe and precise voltage measurement by protection relays, meters, and monitoring equipment. This improves overall safety, simplifies system maintenance, and helps prevent equipment damage due to overvoltages.

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