হাইব্রিড গ্যাস ইনসুলেটেড সুইচগিয়ার পর্যন্ত ১৪৫কেভি

1

Rated maximum voltage

kV

40.5

2

Rated maximum current

A

≤2000

3

Rated frequency

Hz

50/60

4

First opening pole coefficient

1.5

5

Rated short circuit breaking current

kA

31.5

6

Rated short-circuit duration

s

4

7

Rated out of step breaking current

kA

7.9

8

Rated peak value withstand current

kA

80

9

Rated 1min power frequency withstand voltage (Dry/Wet)

kV

To ground 110

Break 118

10

Rated lightning impulse voltage

kV

To ground 215

Break 215

11

Operation sequence

O-0.3s-CO-180s-CO

12

Opening time

ms

50±10

13

Closing time

ms

90±20

14

Close-open time

ms

≤100

15

Main circuit resistance

μΩ

≤150

16

Rated SF6 gas pressure (20℃gauge pressure)

Mpa

0.5

17

Alarm/blocking pressure(20℃gauge pressure)

Mpa

0.45/0.4

18

SF6 annual gas leakage rate

%

≤0.5

19

Gas moisture content

Ppm(v)

≤150

20

Mechanical life

times

6000

1

Rated maximum voltage

kV

72.5

2

Rated maximum current

A

≤3150

3

Rated frequency

Hz

50/60

4

First opening pole coefficient

1.5

5

Rated short circuit breaking current

kA

40

6

Rated short-circuit duration

s

4

7

Rated out of step breaking current

kA

10

8

Rated peak value withstand current

kA

100

9

Rated 1min power frequency withstand voltage (Dry/Wet)

kV

To ground 275

Break 315

10

Rated lightning impulse voltage

kV

To ground 650

Break 750

11

Operation sequence

O-0.3s-CO-180s-CO

12

Opening time

ms

32±7

13

Closing time

ms

85±10

14

Close-open time

ms

≤60

15

Main circuit resistance

μΩ

≤100

16

Rated SF6 gas pressure (20℃gauge pressure)

Mpa

0.5

17

Alarm/blocking pressure(20℃gauge pressure)

Mpa

0.55/0.5

18

SF6 annual gas leakage rate

%

≤0.5

19

Gas moisture content

Ppm(v)

≤150

20

Mechanical life

times

6000

1

Rated maximum voltage

kV

145

2

Rated maximum current

A

≤3150

3

Rated frequency

Hz

50/60

4

First opening pole coefficient

1.5

5

Rated short circuit breaking current

kA

40

6

Rated short-circuit duration

s

4

7

Rated out of step breaking current

kA

10

8

Rated peak value withstand current

kA

100

9

Rated 1min power frequency withstand voltage (Dry/Wet)

kV

To ground 275

Break 315

10

Rated lightning impulse voltage

kV

To ground 650

Break 750

11

Operation sequence

O-0.3s-CO-180s-CO

12

Opening time

ms

32±7

13

Closing time

ms

85±10

14

Close-open time

ms

≤60

15

Main circuit resistance

μΩ

≤100

16

Rated SF6 gas pressure (20℃gauge pressure)

Mpa

0.5

17

Alarm/blocking pressure(20℃gauge pressure)

Mpa

0.55/0.5

18

SF6 annual gas leakage rate

%

≤0.5

19

Gas moisture content

Ppm(v)

≤150

20

Mechanical life

times

6000