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Powertech’s Combined CT-PT Units are compact metering solutions that integrate both current and potential transformers into a single assembly. These units are suitable for outdoor and
indoor HT metering applications, ensuring accuracy, reliability, and space-saving installation.
Combines current and potential transformers into a single unit for simplified HT metering setups.
Provides excellent thermal and dielectric endurance using resin cast or oil-immersed systems.
Reduces cubicle size and installation footprint, ideal for space-constrained installations.
Designed to suit varied environments with weatherproof enclosures and insulation options.
Maintains metering precision under fluctuating loads, vital for billing and grid management.
Factory-calibrated units ready for quick deployment with minimal onsite adjustments.
| Specification | Details |
|---|---|
| Voltage Class | 11kV / 22kV / 33kV |
| CT Ratio | As per customer requirement (e.g., 100/5A, 150/1A) |
| PT Ratio | 11kV/√3 / 110V/√3 or customized |
| Accuracy Class | CT – 0.2s, 0.5, 5P; PT – 0.2, 0.5 |
| Burden | 5VA to 30VA |
| Insulation | Resin Cast / Oil Cooled |
| Applicable Standards | IS 2705, IS 3156, IEC 61869 |
Used by DISCOMs and utilities to measure energy usage at the HT interface.
Installed at consumer end for energy billing and protection of large industrial loads.
Facilitates metering of renewable power at generation points for grid compliance.
Ensures accurate energy accounting for large-scale industrial operations.
Plot No. 62/2, Part CIE, Gandhi Nagar, Balanagar, Hyderabad, Telangana 500037
