K73-13 datasheet(35/176 Pages) ETC

Part #	K73-13

Description	FILM AND PAPER-FILM CAPACITORS

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35

Зависимость допускаемого размаха импульсного напряжения ∆Uи от частоты следования импульсов

Fи, длительности наименьшего из временных участков τи, соответствующих фронту τф или спаду τс

импульса, и номинальной емкости Сном

Permissible peak-to-peak pulse voltage ∆Uи as a function of pulse repetition frequency Fи, minimal temporal

sector

τи,corresponding pulse leading edge slope τф or pulse trailing edge slope τс and rated capacitance Сr

Uном, В

2

10

Uи

Ut

4

6

8

2

4

6

8

2

4

6

8

%

-1

0

2

1

10-3

10-1

1,5

10

1

2

0

5

Fи

10

3

10 4

10-2

2,2 3,3 4,7 6,8

1,5 2,2 3,3 4,7 6,8

25

2

5

2

5

25

10 6

Cном

τu =10 C

-4

τu =10

C

τu =10 C

-5

-6

Τu

τ

мкФ

Гц

Пример определения ∆Uи :

Дано:

Fи=2·10

4 Гц,

τ

и=10

-6 c,

Ut=Uном=630 В, Сном=0,22 мкФ

Находим:

∆Uи=6% от Uном=37,8 В

Дано:

Fи=2·10

4 Гц,

τ

и =10

-6 c,

Ut=Uном=63 В, Сном=0,01 мкФ

Находим:

∆Uи=40% от Uном=25,2 В

Example of calculation of ∆Uи :

Given:

Fи=2·10

4 Hz ,

τ

и =10

-6 s,

Ut=Ur=630 V, Сr=0,22 µF

Finding:

∆Uи=6% оf Ur=37,8 V

Given:

Fи=2·10

4 Hz ,

τ

и =10

-6 s,

Ut=Ur=63 V, Сr=0,01 µF

Finding:

∆Uи=40% оf Ur=25,2 V

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K73-13 Datasheet(PDF) 35 Page - List of Unclassifed Manufacturers

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