Фролов, Александр Константинович. Асинхронный частотно-управляемый двигатель с короткозамкнутым ротором мощностью 25 кВт [Электронный ресурс]: бакалаврская работа: 13.03.02 / А. К. Фролов; Санкт-Петербургский политехнический университет Петра Великого, Институт энергетики и транспортных систем ; науч. рук. А. С. Ватаев. — Электрон. текстовые дан. (1 файл : 1,2 МБ). — Санкт-Петербург, 2017. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/v17-3199.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v17-3199>.
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2017
|
Quarter 3
|
September
|
16
|
0
|
9
|
0
|
25
|
Quarter 4
|
October
|
1
|
0
|
1
|
0
|
2
|
November
|
7
|
0
|
5
|
0
|
12
|
December
|
4
|
0
|
5
|
0
|
9
|
Year 2018
|
Quarter 1
|
January
|
5
|
0
|
6
|
0
|
11
|
February
|
6
|
0
|
4
|
0
|
10
|
March
|
2
|
0
|
3
|
0
|
5
|
Quarter 2
|
April
|
11
|
0
|
3
|
0
|
14
|
May
|
8
|
0
|
5
|
0
|
13
|
June
|
6
|
0
|
20
|
0
|
26
|
Quarter 3
|
July
|
6
|
0
|
9
|
0
|
15
|
August
|
3
|
0
|
5
|
0
|
8
|
September
|
8
|
0
|
2
|
0
|
10
|
Quarter 4
|
October
|
7
|
0
|
2
|
0
|
9
|
November
|
0
|
0
|
5
|
0
|
5
|
December
|
2
|
0
|
7
|
0
|
9
|
Year 2019
|
Quarter 1
|
January
|
6
|
0
|
2
|
0
|
8
|
February
|
2
|
0
|
9
|
0
|
11
|
March
|
1
|
0
|
4
|
0
|
5
|
Quarter 2
|
April
|
2
|
0
|
6
|
0
|
8
|
May
|
3
|
0
|
5
|
0
|
8
|
June
|
2
|
0
|
6
|
0
|
8
|
Quarter 3
|
July
|
1
|
0
|
4
|
0
|
5
|
August
|
1
|
0
|
1
|
0
|
2
|
September
|
3
|
0
|
6
|
0
|
9
|
Quarter 4
|
October
|
2
|
0
|
6
|
0
|
8
|
November
|
0
|
0
|
6
|
0
|
6
|
December
|
1
|
0
|
12
|
0
|
13
|
Year 2020
|
Quarter 1
|
January
|
4
|
0
|
4
|
0
|
8
|
February
|
3
|
0
|
6
|
0
|
9
|
March
|
4
|
0
|
4
|
0
|
8
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
May
|
4
|
0
|
12
|
0
|
16
|
June
|
7
|
0
|
7
|
0
|
14
|
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
|
Year 2021
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
February
|
1
|
0
|
0
|
0
|
1
|
March
|
0
|
0
|
0
|
0
|
0
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
May
|
0
|
0
|
1
|
0
|
1
|
June
|
0
|
0
|
0
|
0
|
0
|
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
|
1
|
0
|
1
|
Total
|
140
|
0
|
193
|
0
|
333
|