Product Features
1. Accurate Rotor Impedance Measurement – The tester measures AC impedance of rotor windings and generates characteristic curves for synchronous generators and asynchronous motors during stationary rotor testing.
2. Flexible Testing Options – It supports both automatic and manual test modes, allowing users to select the most suitable method for different testing conditions.
3. Real-Time Data and Curve Display – The large LCD screen provides clear test results, parameter values, and curves, making operation faster and easier.
4. Test Data Storage and Printing – Measurement results can be stored for future analysis. The built-in printer allows users to print test data and curves directly at the testing site.
5. Intelligent Protection Function – The system automatically sets suitable protection limits based on test parameters to improve safety and prevent equipment damage during operation.
FAQs
1. What is a generator rotor AC impedance tester used for?
A generator rotor AC impedance tester is used to check rotor winding conditions, especially to identify possible inter-turn short circuits. It measures parameters such as AC impedance, voltage, current, power, and other rotor characteristics.
2. Why is AC impedance testing important for generator rotor windings?
AC impedance testing helps detect abnormal changes in rotor winding characteristics. It can provide useful information for finding potential winding problems and supporting generator maintenance decisions.
3. How does a generator rotor AC impedance tester detect winding faults?
The tester applies an AC test signal to the rotor winding and measures impedance changes at different conditions. By analyzing the impedance values and characteristic curves, engineers can identify possible winding abnormalities.
4. Can the generator rotor impedance tester test both synchronous generators and asynchronous motors?
Yes. The tester can measure rotor winding AC impedance characteristics for synchronous generators and asynchronous motors when the rotor is stationary.
5. What parameters can a rotor AC impedance tester measure?
A rotor AC impedance tester can measure important electrical parameters, including:
- AC impedance
- Voltage
- Current
- Power
- Rotor speed
These measurements help evaluate rotor winding performance.
6. What is the difference between manual and automatic measurement modes?
Manual mode allows users to control the testing process according to specific requirements. Automatic mode performs measurements automatically, improving testing efficiency and reducing operation steps.
7. Is the generator rotor AC impedance tester suitable for on-site testing?
Yes. The compact structure and lightweight design make it convenient for transportation and on-site generator inspection and maintenance.
8. How does the tester improve generator maintenance efficiency?
The tester provides fast measurement, real-time curve display, and data storage functions. These features help engineers review test results and improve maintenance efficiency.
9. Can the rotor impedance tester save and print test results?
Yes. The tester can store measurement data and use the built-in printer to print test values and characteristic curves directly after testing.
10. Is Wrindu an OEM manufacturer of generator test equipment?
Yes. Wrindu is a professional OEM manufacturer of generator test equipment and power testing instruments. The company provides testing solutions for generator inspection, maintenance, and electrical equipment testing.
