6. What are the advantages of the device? Does it provide sufficient speed to process the measured parameters?
7. Why is the value of short-circuit inductive reactance of the transformer reduced to a frequency of 50 Hertz?
8. How are the primary and secondary currents and voltages of the power transformer measured for the further operation of the device?
9. What are the metrological parameters of this device?
Exercise 5. Make а plan of the text and retell the text looking in your plan.
Exercise 6. Discuss the following topics.
1. Smart Grid Monitoring System.
2. Short-circuit inductance measurements.
3. Measurements of short-circuit inductance deviation.
4. Digitization of substations and switchgear of electric power stations, building a digital electrical network.
3. Algorithm of the operation of the information-measuring system for continuous monitoring of the state of the windings of power transformers.
4. Metrological parameters of the device for continuous monitoring of the state of windings of power transformers.
5. Quick-working protection during the operation of the device for continuous monitoring of the state of the windings of power transformers.
6. Registration of primary and secondary currents and voltages of a power transformer during operation of the device for continuous monitoring of the state of power transformer windings.
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[7] Fogelberg, T., Girgis, R. S., (1994). ABB power transformers – a result of merging different technologies with prospects for significant future advancements”, International Simposium "Electrotechnics – 2010", Moscow, vol. 1, 56–59.
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