Prediction of specific electric energy consumption at processing plant

Klyuev, R. V.; Гаврина, О.А.; Khetagurov, V.N.; Zaseev, S G; Umirov, B.Z.

doi:10.25018/0236-1493-2020-111-0-135-145

Cited by 2 publications

(3 citation statements)

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“…-short circuit on the buses of workshop substations. At the same time, the power supply interruption time is the sum of the short circuit disconnection time on the supply line and the ASR operation time at the substation [4][5][6][7][8][9];…”

Section: Methodsmentioning

confidence: 99%

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Sustainable operation analysis of the mining industry power supply system

et al. 2021

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

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Section: Methodsmentioning

confidence: 99%

“…Two sections of substation No. 12 are powered by 5 motors with a capacity of 320 kW, one motor with a capacity of 400 kW [4][5][6]. Communication between substations No.…”

Section: Brief Description Of the Power Supply Circuit For Motors With A Voltage Of 6 Kvmentioning

confidence: 99%

Sustainable operation analysis of the mining industry power supply system

et al. 2021

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“…Thus, the juice concentration unit will perform two tasks at the same time: concentrating itself and working as an additional refrigeration unit for cooling process liquids [8][9][10].…”

Section: Description Of the Vacuum Concentration Unitmentioning

confidence: 99%

Vacuum-evaporative method of juice concentration

Krysanov

Tekiev

Silaev

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The article provides an overview of methods for concentrating juices and juice-containing liquids and proposes a vacuum method for concentrating juices, based on previous experiments on vacuum cooling of water. Vacuum-evaporative concentration of juices has a number of advantages that can be successfully implemented in production. The developments of water use as a refrigerant, as well as experiments on machines with an open cycle, provide the necessary and sufficient material for development in the field of concentrating juices. The use of low temperatures creates the evacuation effect.

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Prediction of specific electric energy consumption at processing plant

Cited by 2 publications

References 0 publications

Sustainable operation analysis of the mining industry power supply system

Sustainable operation analysis of the mining industry power supply system

Vacuum-evaporative method of juice concentration

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