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Capacitors in HVDC Power Transmission

Technical data

model 2 3

Electrical properties

1

Rated capacitance

7500 μF

2

Tolerance

-0% ~+5%

3

Rated voltage

2800V.DC

4

Rated current (Irms)

650A

790A 12S/day  910A 6S/day

5

Series resistance

≤0.2mΩ

6

Voltage test between terminals

4200V.DC/60S

7

A.C.voltage test terminal/container

5000V.AC/60S

8

Tangent of the loss

<0.0011  100Hz

9

Partial discharge

terminal/container:2000VAC,60S Partial discharge:≤10Pc

10

Maximum surge current

525KA(5 times)

11

Maximum peak current

15KA

12

Voltage climb rate

>2V/uS

13

Self inductance

≤65nH

14

Thermal resistance

0.25K/W

15

Non-recurrent surge voltage

Vpp=4200V   t<30mS

16

Ripple voltage

720V

17

Operating frequency

≤2kHz

18

Discharge resistance

none

Operat ing environment

19

Cooling way

Natural cooling

20

Maximum operating  temperature

-25~85℃

21

Operating ambient temperature

10~50℃

22

Storage temperature

-25~65℃

Mechanical parameter

23

Packaging form

Stainless steel

24

Electrode

M12 copper nut

25

Install the pin pitch

150mm

26

Electric clearance

Refer to the GB/T16935

27

Creepage distance

Refer to the GB/T16935

28

Terminal tightening torque

10Nm(Max)

29

Bottom mounting screw torque

10Nm(Max)

30

Undeclared tolerance

± 1mm

31

Weight

≈185Kg

Life and Safety

32

Service life

30years @Rated conditions

33

Failure quota

<100fit

34

Flame retardant

UL 94-V0

Other

35

Dielectric materials

PP

36

Standards

IEC 61071

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