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參數(shù)名稱 

Parameter name

單位

Unit

數(shù)值

Value

額定電壓

Rated voltage

kV

40.5

額定電流

Rated normal current

A

1600

額定短路開斷電流

Rated short-circuit breaking current

kA

25

額定短路關(guān)合電流

Rated short-circuit making current

kA

63

額定峰值耐受電流

Rated peak withstand current

kA

63

額定短時(shí)耐受電流

Rated short-time withstand current

kA

25

額定短路持續(xù)時(shí)間

Rated duration of short circuit

S

4

額定單個(gè)電容器組開斷電流

Rated single capacitor unit breaking current

A

630

額定背對(duì)背電容器組開斷電流

Rated back to back capacitor unit breaking current

A

400

額定短時(shí)（1min）工頻耐壓

Rated short time power frequency withstand voltage (1min)

kV

95

額定觸頭壓力下的回路電阻

Circuit resistance at lower limit of rated contact pressure

μΩ

≤25

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

185

機(jī)械壽命

Mechanical endurance

次

Time

10000

觸頭自閉力

Closing force due to bellow and atmosphere

N

200±50

額定開距時(shí)的觸頭反力

Force required to hold contacts open at full stroke

N

300±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(xiàng)目

Project

單位

 Unit

數(shù)值

Value

觸頭開距

Contact stroke

mm

22±1

觸頭接觸行程

Contact travel

mm

8±1

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

1.4±0.2

額定觸頭壓力

Rated contact pressure

N

2800±200

觸頭合閘彈跳時(shí)間

Contact closing bounce time

ms

≤5

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