Sustainable operation analysis of the mining industry power supply system

نویسندگان

چکیده

The paper presents an analysis of operating currents and torques during self-starting motors with a voltage 6 kV for cases short circuit in the head feeders from main step-down substation to most distant substations mining enterprises. For network under consideration, characteristic modes are: on buses shop substations. industry when selfstarting asynchronous squirrel-cage rotor synchronous startup, current multiplicity will be determined by duration power failure (run-down duration). It has been established that acceleration self-start somewhat slower than usual start, since begins at speed 0.89–0.94 resistance torque is equal 0.65–0.75 maximum motor torque. time 9 s 42 s. To ensure conditions severe mountain conditions, it necessary make changes protection settings presented work.

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ژورنال

عنوان ژورنال: E3S web of conferences

سال: 2021

ISSN: ['2555-0403', '2267-1242']

DOI: https://doi.org/10.1051/e3sconf/202132600016