Isi Transformer


ISI Transformers: Certified Quality and Reliability for Industrial and Commercial Power

Our ISI-certified transformers are designed to meet stringent quality and safety standards, ensuring reliable power for industrial and commercial applications.

Certified by the Bureau of Indian Standards (BIS), these transformers offer superior voltage regulation, energy efficiency, and enhanced protection for sensitive equipment. Constructed with high-grade materials and advanced insulation, our ISI transformers provide consistent performance while minimizing energy loss.

Ideal for various operational needs, they deliver safe, efficient power with a focus on longevity and compliance with regulatory standard.

ADVANTAGES :

  • Certified quality and safety (ISI certified)
  • Reliable voltage regulation
  • High energy efficiency
  • Durable construction
  • Enhanced equipment protection
  • Compliant with BIS standard

Product Specification

        Quality and Safety Compliance

  • ISI transformers comply with rigorous standards for quality, safety, and reliability. For distribution transformers, IS 1180 specifies parameters for load loss, no-load loss, temperature rise, and insulation.
  • Certification: They bear the ISI mark, which assures that they’ve been tested and certified to meet Indian regulatory standards.

         Energy Efficiency 

  • ISI transformers are required to meet energy efficiency standards, ensuring they minimize energy loss in transmission and distribution. Efficiency grades (e.g., Star rating) as per BIS guidelines help reduce operational costs.

         Standard Voltage Ratings

  • Primary Voltage: Commonly 11 kV, 22 kV, or 33 kV for distribution transformers.
  • Secondary Voltage: Typically 415 V for three-phase systems or 230 V for single-phase systems, depending on application.

         Impedance and Losses

  • Impedance: Maintains within specified limits to ensure voltage regulation and stability in distribution systems.
  • Losses: IS 1180 outlines the allowable no-load and load losses to optimize efficiency and reduce energy wastage.

         Protection and Safety Features

  • Protection Devices: Includes overcurrent protection, pressure relief devices, temperature indicators, and Buchholz relays (for oil-filled types).
  • Thermal and Mechanical Durability: Designed to withstand thermal and mechanical stresses, with temperature rise limits specified to ensure safe operation under rated load.

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