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| Place of Origin: | China |
| Brand Name: | Sansion |
| Certification: | CE/CNAS/ISO9001 |
The Numerical Relay Tester is designed for modern microprocessor-based protection devices used in power generation, transmission and distribution systems.
Unlike traditional electromechanical relays, numerical protection devices can include multiple integrated functions such as overcurrent, distance, differential, frequency and directional protection.
A modern relay test set therefore needs flexible waveform generation and precise control of electrical parameters.
Compatibility
Customers need equipment capable of testing different relay brands and protection functions.
Automation
Large protection systems may require hundreds of test points.
Repeatability
Automated sequences can improve repeatability between tests.
Data management
Engineers need to save settings, waveforms and test results.
What is a numerical protection relay?
It is a microprocessor-based protection device that processes measured electrical signals digitally and implements protection algorithms.
Can a numerical relay tester also test conventional relays?
Many universal relay test sets can test both traditional and numerical protection relays.
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