Алимов, Алексей Андреевич. Асинхронный частотно-управляемый двигатель с короткозамкнутым ротором мощностью 15 кВт, питаемый от преобразователя частоты с широтно-импульсной модуляцией напряжения [Электронный ресурс]: бакалаврская работа: 13.03.02 / А. А. Алимов; Санкт-Петербургский политехнический университет Петра Великого, Институт энергетики и транспортных систем ; науч. рук. А. С. Ватаев. — Электрон. текстовые дан. (1 файл : 538 КБ). — Санкт-Петербург, 2016. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/v16-1035.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v16-1035>.
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Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2016
|
Quarter 3
|
September
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 4
|
October
|
7
|
0
|
0
|
0
|
7
|
|
November
|
5
|
0
|
0
|
0
|
5
|
|
December
|
6
|
0
|
0
|
0
|
6
|
|
Year 2017
|
Quarter 1
|
January
|
5
|
0
|
0
|
0
|
5
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
11
|
0
|
0
|
0
|
11
|
|
Quarter 2
|
April
|
3
|
0
|
0
|
0
|
3
|
|
May
|
6
|
0
|
0
|
0
|
6
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
5
|
0
|
0
|
0
|
5
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
6
|
0
|
0
|
0
|
6
|
|
November
|
2
|
0
|
0
|
0
|
2
|
|
December
|
2
|
0
|
0
|
0
|
2
|
|
Year 2018
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
2
|
0
|
0
|
0
|
2
|
|
March
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 2
|
April
|
7
|
0
|
0
|
0
|
7
|
|
May
|
6
|
0
|
0
|
0
|
6
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
6
|
0
|
0
|
0
|
6
|
|
September
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
3
|
0
|
0
|
0
|
3
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2019
|
Quarter 1
|
January
|
7
|
0
|
0
|
0
|
7
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 2
|
April
|
3
|
0
|
0
|
0
|
3
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
4
|
0
|
0
|
0
|
4
|
|
June
|
10
|
0
|
0
|
0
|
10
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
143
|
0
|
0
|
0
|
143
|
