參數(shù)名稱 Parameter name

單位Unit

數(shù)值Value

額定電壓Rated voltage

kV

12

額定電流 Rated normal current

A

1600

額定短路開斷電流
 Rated short-circuit breaking current

kA

31.5

額定短路關合電流Rated short-circuit making current

kA

80

額定峰值耐受電流 Rated peak withstand current

kA

80

額定短時耐受電流 Rated short-time withstand current

kA

31.5

額定短路持續(xù)時間Rated duration of short circuit

S

4

額定單個電容器組開斷電流
Rated single capacitor unit breaking current

A

630

額定背對背電容器組開斷電流
Rated back to back capacitor unit breaking current

A

400

額定短時（1min）工頻耐壓
Rated short time power frequency withstand voltage (1min)

kV

42

額定觸頭壓力下的回路電阻
Circuit resistance at lower limit of rated contact pressure

μΩ

≤30

額定短路開斷電流開斷次數(shù)
Rated short circuit breaking current breaking times

次

Time

30

額定雷電沖擊耐受電壓
Rated lightning impulse withstand voltage

kV

75

機械壽命
Mechanical endurance

次Time

10000

觸頭自閉力 Closing force due to bellow and atmosphere

N

120±50

額定開距時的觸頭反力
Force required to hold contacts open at full stroke

N

200±50

觸頭允許磨損厚度Contact-wear allowance thickness

mm

3

內(nèi)部氣體壓力Internal gas pressure

Pa

≤1.33×10ˉ³

允許貯存期 Storage period

年Year

20

項目Project

單位 Unit

數(shù)值 Value

觸頭開距Contact stroke

mm

11±1

觸頭接觸行程Contact travel

mm

3±¹₀

平均合閘速度 Average closing speed

m/s

0.6±0.2

平均分閘速度Average opening speed

m/s

1.1±0.2

額定觸頭壓力 Rated contact pressure

N

3100±200

觸頭合閘彈跳時間Contact closing bounce time

ms

≤2

觸頭合閘與分閘不同期性 Out of simultaneity of contact closing and opening

ms

≤2

分閘觸頭反彈幅值Bouncing back amplitude of opening contact

mm

≤2