PT & CT Services
11KV - 66KV Systems
Direct Engineering Access

PT & CT Services

Testing, maintenance, polarity checks, and ratio verification for Potential Transformers and Current Transformers.

Technical Definition

What is PT & CT Services?

PT & CT services involve the ratio and polarity verification of Potential and Current transformers to ensure the absolute accuracy of electrical metering and protection systems.

Service Overview

Comprehensive PT and CT services ensuring accurate metering and protection through systematic testing, maintenance, and calibration procedures.

Installation and commissioning
Ratio and polarity testing
Insulation resistance testing
Burden testing
CT saturation test
Accuracy class verification

Engineering Specifications

01Turns ratio test
02Polarity test
03Insulation resistance measurement
04Burden measurement
05Knee point voltage (for CT)
06Phase angle error measurement

Standard Testing Protocol

Request Quote

Technical site assessment booked within 4hrs of form submission.

Typical response time: within 24 hours.