Circuit Breaker Analyzer
The Greenwatt Circuit Breaker Analyzer is a powerful and versatile test system designed to evaluate the performance of medium and high voltage circuit breakers. It measures timing, speed, travel, contact resistance and other critical parameters with high accuracy for reliable switchgear diagnostics.
Key Features
- Multi-channel measurement — simultaneous measurement of up to 6 contacts and multiple analog channels for complete CB analysis
- Timing & motion analysis — measures opening/closing time, travel, bounce time, velocity and overtravel with high precision
- Contact resistance testing — built-in micro-ohm measurement for static and dynamic contact resistance
- Coil current measurement — measures closing and opening coil currents to evaluate operating mechanism performance
- Built-in thermal printer for instant on-site test report generation
- Data storage with USB export — save results to internal memory and export for further analysis
Applications
- ›HV & MV circuit breakers
- ›Vacuum circuit breakers (VCB)
- ›SF6 circuit breakers
- ›Air blast circuit breakers
- ›GIS & switchgear testing
- ›Maintenance & commissioning
Technical Specifications
| Timing Analysis | Open time, close time, O-C-O & C-O-CO sequences |
| Travel Measurement | Contact travel, overtravel and rebound |
| Speed Analysis | Opening speed, closing speed and average speed |
| Coil Current | Trip coil and close coil current measurement and analysis |
| Contact Resistance | Static and dynamic contact resistance measurement |
| Contact Bounce | Bounce duration and stability analysis during operation |
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