Mathematical Calculation of Synchronous Electric Motors Dynamic Stability

Author:

Pupin Valery1,Orlov Victor2ORCID

Affiliation:

1. NPK Promir LLC, Storozhevaya Street, 26, Bilding 1, 111020 Moscow, Russia

2. Institute of Digital Technologies and Modeling in Construction, Moscow State University of Civil Engineering, Yaroslavskoye Shosse, 26, 129337 Moscow, Russia

Abstract

This paper considers the equipment and power supply schemes for urban water supply, heat supply and sewerage pumping stations. Mathematical calculations of the impact of the static and full centrifugal pumps pressure ratio on the dynamic stability of synchronous electric motors were carried out. An analysis of the influence of pump parameters and engine load on the run-down parameters and drive stability during power shutdowns was carried out. It has been theoretically proven and practically confirmed that ensuring the stability of pumping station drives and the reduction in enterprise losses during various short-term disruptions in power supply networks can be provided by means of a high-speed backup source with a response time of less than 9 ms, dynamic voltage dip compensators with a response time of less than 3 ms and uninterruptible power supply sources.

Publisher

MDPI AG

Subject

General Mathematics,Engineering (miscellaneous),Computer Science (miscellaneous)

Reference38 articles.

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2. Nepomnyashchy, V.A. (2010). Economic Losses From Power Supply Disturbances, MPEI Publishing House.

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4. Gupta, C.P., and Milanovic, J.V. (2005, January 27–30). Costs of voltage sags: Comprehensive Assessment Procedure. Proceedings of the IEEE Russia PowerTech, St. Petersburg, Russia.

5. Analysis of WCS tariff formation;Kalmykov;NPF EcoPrometey,2018

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