ZW7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker (Recloser)

Tsanangudzo Pfupi:


Product Detail

Product Tags

ZW7-40.5 yekunze HV vacuum circuit breaker is 3-phase AC 50Hz 40.5kV outdoor switch equipment.

♦ Kuisa nzira: kuisa nheyo;

♦ Nzira yekushanda: chitubu chekushanda uye kushandiswa kwemagetsi emagetsi;

♦ Pole zvinhu: silicone rubber, ceramic;

♦ Kushandisa: kunze kwe33kV substation, magetsi emagetsi.

♦ Current transformer: in-buit installation, kunze kwekuisa.

 

Product Standards

♦ IEC62271-100 Yakakwira Voltage Switchgear uye Controlgear Chikamu 100: AC Circuit-breaker

♦ GB1984 Yakakwirira Voltage AC Denderedzwa-zvipwanya

♦ GB/T11022 Zvakajairwa Zvinotsanangurwa zvePamusoro-voltage Switchgear uye Controlgear Mitemo

♦ JB/T 3855 High Voltage AC Vacuum Circuit-breakers

♦ DL/T402 Tsanangudzo yeHigh-voltage AC Circuit-breakers

 

Environmental Conditions

♦ Ambient tembiricha: -40°C~+40°C;

♦ Altitude:

♦ Kumhanya kwemhepo kukuru i10km/h, mhepo shoma shoma yezinga rakarongwa (132/230kv) i3.2km/h;

♦ Kudengenyeka kwepasi:

♦ Diminimum nominal creepage distance: 31mm/kV;

♦ Dhigirii yekusvibiswa kwemhepo: Kirasi IV.

 

Main Technical Parameters

Aihwa

Item

Unit

Value

1 Rated voltage

kV

40.5

Zviri Ratedinsulationlevel 1 min simba frequencyDry bvunzo (kutsemuka, pakati-chikamu, pasi)Muyedzo wemvura (kunyika, kuvharisa kwekunze)

kV

95

85

Mheni ine simba inomira voltage (peak)

185

3 Rated current

A

1250, 1600, 2000,

2500

4 Rated short circuit breaking current

kA

20, 25, 31.5

 

Aihwa

Item

Unit

Value

5 Yakatemerwa pfupi dunhu kugadzira ikozvino (peak)

kA

50, 63, 80

6 Rated peak inomira ikozvino

kA

50, 63, 80

7 Yakatemerwa nguva pfupi inomira ikozvino

kA

20, 25, 31.5

8 Rated kushanda kutevedzana

O-0.3S-CO-180S-CO

9 Rated short circuit breaking current breaking number

nguva

20

10 Yakatemerwa nguva pfupi yedunhu s

4

11 Nguva yekuzorora s

≤0.09

12 Mechanical hupenyu

nguva

10000

13 Ichangobva kugadzirwa vacuum interrupter

Mapisarema

≤1.33×10-3

Vacuum interrupter panguva ye20-gore yekuchengetedza nguva

-2

14 Circuit breaker net huremu

kg

800

15 Clearance pakati akavhurika contacts

mm

22±2

16 Bata kufamba

mm

4±1

17 Avhareji yekuvhura kumhanya

m/s

1.4-1.7

18 Kumhanya kweavhareji yekuvhara

m/s

0.4-0.7

19 Bata yekuvhara bounce nguva

ms

≤3

20 Inter-phase kuvhura nekuvhara synchronism

ms

≤2

makumi maviri nerimwe Nguva yekuvhara

ms

50≤t≤200

makumi maviri nemaviri Nguva yekuvhura

ms

30≤t≤60

makumi maviri nenhatu Chimwe nechimwe chikamu chikuru chedunhu DC kuramba (kwete CT yemukati kuramba)

≤100

makumi maviri nemana Dynamic uye yakamisikidzwa kubata cumulative ukobvu inobvumirwa kupfeka

mm

3

25

Rated contact pressure

N

2500±200

General Structure Drawing uye Kuisa Saizi (chikamu: mm)

Side-mechanism mhando

q1

Mid-mechanism mhando

q2


  • Zvakapfuura:
  • Zvinotevera: