CT/PT Analyzer
The Green Watt CT/PT Analyzer is a fully automated, portable instrument for comprehensive testing of current transformers (CTs) and potential transformers (PTs/VTs). It verifies transformer parameters on site without the need for a laboratory — ensuring metering integrity and protection relay dependability.
Key Features
- Fully automated test sequence with one-button operation
- Ratio accuracy, phase displacement, and excitation curve measurement
- Knee-point voltage (Vk) and exciting current measurement for protection CTs
- Burden measurement at rated secondary current
- High-voltage excitation source built in — no external HV supply required
- Colour touch-screen with graphical excitation curve plotting
- Automatic data storage with time-stamped test reports
- USB and RS-232 output for PC-based report generation
Applications
- ›New CT/PT commissioning in 11 kV to 400 kV substations
- ›Periodic statutory testing of revenue metering CTs and PTs
- ›Post-fault investigation of protection CT saturation events
- ›Acceptance testing of CT/PT batches at manufacturer's works
Technical Specifications
| Standards | IEC 61869, IS 2705, IEEE C57.13 |
| CT Ratio Range | Covers distribution to EHV |
| Interface | Colour touch-screen, USB, RS-232 |
| Power | Battery-powered for field use |
Enquire About This Product
Request a quote, arrange a product demonstration, or speak to our technical team.
Take EnquiryContact Us