ANSI 57-4 Porcelain Ceramic Line Post Station Insulator

Kufotokozera Kwachidule:

Ma line post insulator / post porcelain insulators ali ndi insulativity yabwino kwambiri ndipo amagwiritsidwa ntchito pa 44kv high voltage transmission line.
High voltage line rod insulator imagwiritsidwa ntchito ngati kutchinjiriza ndi kondakitala wothandizira pamagetsi apamwamba komanso mzere wogawa.Chogulitsacho ndi chosawonongeka ndipo chili ndi ubwino wa mphamvu zamakina apamwamba, ntchito zolimba za kutchinjiriza komanso kukana kuwononga chilengedwe.Insulator ili ndi ubwino wa ntchito yotetezeka komanso yodalirika, kukonza kosavuta, moyo wautali wautumiki komanso mtengo wotsika mtengo.


Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

57-4S-L(标)投标图-Model
325
Line post mtundu wa porcelain insulators
Kalasi ya ANSI   57-1 57-2 57-3 57-4 57-5
Makulidwe
Mtunda wa Creepage mm 356 559 737 1015 1145
Mtunda wowuma wa arcing mm 165 241 311 368 438
Makhalidwe Amakina
Mphamvu ya Cantilever kn 12.5 12.5 12.5 12.5 12.5
Cantilever mphamvu routine mayeso kn 5 5 5 5 5
Makhalidwe Amagetsi
Mtundu wamagetsi ogwiritsira ntchito kv 25 35 45 55 66
Low pafupipafupi youma flashover voteji kv 80 110 125 150 175
Low pafupipafupi chonyowa flashover voteji kv 60 85 100 125 150
Critical impulse flashover voltage, positive kv 130 180 210 255 290
Critical impulse flashover voltage, negative kv 155 205 260 340 380
Mawayilesi amakhudza Voltage Data
Yesani voteji ya RMS mpaka pansi kv 15 22 30 44 44
Maximum RIV pa 1000kHz μv 100 100 200 200 200
Kulongedza ndi Kutumiza Data
Net kulemera, pafupifupi kg 5.2 9.0 11.0 16.0 18.0
57-2无钢脚投标图-Model

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