40.5kV SF6 Circuit Breaker GPFN Series
Model en betsjutting
Brûk Miljeu Betingsten
in.Hichte: net mear as 1000m
b.Ambient temperatuer: -15 ℃ ~ + 40 ℃, de deistige gemiddelde temperatuer net boppe +35 ℃
c.Omjouwingsfochtichheid: deistige gemiddelde relative luchtvochtigheid: ≤95% moanne gemiddelde relative luchtvochtigheid: ≤90%
Deistich gemiddelde dampdruk: ≤2.2x10-3 MPa Moanlikse gemiddelde dampdruk: ≤1.8x10-3MPa
d.Ierdbevingintensiteit: net mear as 8 graden
e.Lokaasje fan gebrûk: Omjouwingslucht is net oanmerklik fersmoarge troch stof, reek, korrosive en / of brânbere gassen, dampen of sâltnevel.
Opmerking: As de eigentlike gebrûksomjouwing net foldocht oan de boppesteande betingsten, rieplachtsje asjebleaft mei ús bedriuw.
Technyske parameter
Nee. | Items | Ienheid | Data | |||
1 | Rated voltage | kV | 40,5 | |||
2 | Rated frekwinsje | Hz | 50 | |||
3 | 1min macht frekwinsje wjerstean spanning | Tusken peallen, Nei ierde | kV | 95 | ||
Fraktueren | 118 | |||||
Wjerljocht ympuls tsjin spanning | Tusken peallen, Nei ierde | 185 | ||||
Fraktueren | 215 | |||||
4 | Rated hjoeddeistige | A | 1250 1600 2000 2500 | |||
5 | Rated koarte tiid wjerstean stroom (RMS) | kA | 25 | 31.5 | ||
6 | Rated piek wjerstean stroom | 63 | 80 | |||
7 | Rated short-circuit breaking current (RMS) | 25 | 31.5 | |||
8 | Rated koartsluting meitsjen stroom (peak wearde) | 63 | 80 | |||
9 | Rated koarte circuit doer | s | 4 | |||
10 | Rated folchoarder fan operaasjes | O-0.3s-CO-180s-CO | ||||
11 | Rated out-of-fase ierdfout breaking current | kA | 21.7 | 27.4 | ||
12 | Rated kabel oplaadstroom switching test | A | 50 | |||
13 | Rated single / back-to-back capacitor bank breaking current | 800/800 | ||||
14 | Mechanysk libben | kear | 10000 | |||
15 | Koarte circuit hjoeddeistige breaking tiden | kear | 30 | |||
16 | Sekundêre circuit 1 min macht frekwinsje wjerstean spanning | 2000 | ||||
17 | Rated wurkspanning | Ofsluting coil | V | DC110/220, AC220 | ||
Iepening coil | V | DC110/220, AC220 | ||||
18 | Rated spanning fan enerzjy opslach motor | W | DC110/220, AC220 | |||
19 | Rated krêft fan enerzjy opslach motor | s | 250 | |||
20 | Enerzjy opslach tiid (nominale spanning) | s | ≤10 | |||
21 | Rated druk fan SF6 gas (gauge druk by 20 ° C) | Mpa | 0,350+0.02 | |||
22 | Alarm druk | Mpa | 0,29±0,01 | |||
23 | Minimum funksjonele druk (blokkearjende druk) | Mpa | 0,28±0,01 | |||
24 | Jierlikse leak rate | % | ≤0.5 | |||
25 | Gas focht ynhâld | μL/L | ≤150 | |||
26 | Moving kontakt stroke | mm | ≥78 | |||
27 | Kontakt Spacing | mm | 50±1,5 | |||
28 | Iepeningstiid | ms | 60~78 | |||
29 | Slutingstiid | ms | 65~95 | |||
30 | Trije-fase sluten en iepenjen binne net periodyk | ≤5 | ||||
31 | Gemiddelde iepeningssnelheid (binnen 10ms nei healwei) | ms | 2.2~2.8 | |||
32 | Gemiddelde slutingssnelheid (binnen 10ms nei healwei) | ms | ≥1.5 | |||
33 | Main conductive loop ferset | μΩ | ≤32 (Karre) | ≤20 (Fêste type) |