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40.5kV Switchgear

40.5kV Switchgear

Metalclad AC Enclosed Switchgear General 1. Ratings: system voltage 40.5kV, rated current up to 3150A, AC 50/60HZ 2.Application:40.5kv switchgear mainly applicable in the power plant, substation, mineral enterprise to receive and distribute power with the functions of controlling, protecting and......

Metalclad AC Enclosed Switchgear

General

1. Ratings: system voltage 40.5kV, rated current up to 3150A, AC 50/60HZ
2.Application:40.5kv switchgear mainly applicable in the power plant, substation, mineral enterprise to receive and distribute power with the functions of controlling, protecting and monitoring. 40.5kv switchgear also can be used in places where the frequently operations are in need.
3.Standard: IEC62271-200

Working Conditions
1.Ambient air temperature: -10℃~+40℃
2.Altitude: ≤1000m
3.Relative humidity : Daily average≤95%; Monthly average≤90%
4.Earthquake intensity:≤magnitude 8.
5.40.5kv switchgear applicable in the places without corrosive and flammable gas.
Note: Customized products are available.


Switchgear parameter

No.

Item

Unit

Data

1

Rated voltage

kV

40.5

2

Rated insulation level

lightning impulse withstand voltage 

(full wave)

kV

108

1 min power frequency withstand voltage

kV

95

3

Rated frequency

Hz

50

4

Rated current

kA

630

1250

1600

5

Rated short -circuit breaking current

kA

20

25,31.5

25,31.5

6

Rated short -circuit making current

kA

50

63,80

63,80

7

Rated withstands current (peak)

kA

50

63,80

63,80

8

Rated short-time withstand current

kA

20

25,31.5

25,31.5

9

Switchgear shell protection level


IP3X

10

Overall dimensionWeight×Depth×height

VCB Cabinet

mm

1400x2800x2600

SF6 CB Cabine

mm

1400x2950x2600

11

Weight (CB cabinet)


kg

2600

Handcart Weight

SF6 handcart

kg

300

VCB handcartt

kg

400


CB  parameter

1

Rated voltage

kV

40.5

2

Rated insulation level

lightning impulse withstand voltage 

(full wave)

kV

108

1 min power frequency withstand voltage

kV

95

3

Rated frequency

Hz

50

4

Rated current

kA

630

1250

1600

5

Rated short -circuit breaking current

kA

20

25

31.5

6

Rated short -circuit making current

kA

50

63

80

7

Rated withstands current (peak)

kA

50

63

80

8

Rated short-time withstand current

kA

20

25

31.5

9

Fixed breaking time

s

≤0.07

10

Making time

Electro-magnetic mechanism

s

Electro-magnetic mechanism≤0.2

Spring mechanism

s

Spring mechanism≤0.10

11

Rated operation sequence


Open-0.3s-close open-180s-close open

12

Mechanical life

times

10000


图1_副本10.jpg

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