
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.