№4|2020

ENERGY CONSERVATION

DOI 10.35776/MNP.2020.04.08
UDC  628.1/.2:621.65:62-531.3

Rybel’ Sergei, Kuninin Vladimir, Gerasimov Semen, Bakushin Andrei

The experience of using variable speed drives at the facilities
of «Vodokanal» LLC

Summary

The experience of using variable speed drives at the pumping stations operated by Vodokanal LLC in Novokuznetsk is presented. The advantages and disadvantages of this technical device are specified. It is demonstrated that currently, the use of variable speed drives provides for reducing the energy consumption by more than 20%, reducing the repair and maintenance costs; for improving the service life of electric motors; for reducing inrush current, water leaks and the load on the pumping equipment and pipeline valving. The use of variable speed drives has paid off even in case where adjusting the parameters to ensure the technology (velocity, performance, etc.); bringing the equipment parameters to the required values without replacing it (in order to increase the equipment load to the nominal value for the subsequent period); compensating for daily irregularities in water consumption are required.

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REFERENCES

  1. Savvinov P. V., Semenov A. S. [Modification of electric drives of low power pumps in mining enterprises. Proceedings of VI International Student Electronic Scientific Conference, 2016]. [Electronic resource]. URL: https://scienceforum.ru/ 2016/article/2016027047 (accessed 01.11.2019). (In Russian).
  2. [Briefly about the variable speed drive]. [Electronic resource]. URL: http://energosberezhenie.ru/product_9.html (accessed 01.11.2019). (In Russian).
  3. Vinogradov A. B., Sibirtsev A. N., Kolodin I. Iu. [Automation of a pumping station with the use of a variable speed drive]. Silovaia Elektronika, 2006, no. 2, pp. 20–23. (In Russian).
  4. [History of the enterprise]. [Electronic resource]. URL: http://www.vdk.local/vdk/history/ (accessed 05.11.2019). (In Russian).

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