Inkcazo
Idatha yezobugcisa eziphambili ze-10kA ZnO varistor yangaphakathi core
Umfanekiso No. | ZnO varistor yangaphakathi core | Ulinganiso lweVoltage | MCOV(kV) | Impulse yangoku yamandla ombane ashiyekileyo | 2ms Rectangular current impulse current | 4/10us Ukumelana nempembelelo yangoku ephezulu | ||
1/4us Lightning impulse current (kV) | 8/20 us Lightning impulse current (kV) | 30/60us Lightning impulse current (kV) | ||||||
1 | Φ44x90 | 3 | 2.55 | 11.3 | 9 | 8.9 | 250 | 100 |
2 | Φ44x120 | 6 | 5.1 | 22.6 | 18 | 16.8 | 250 | 100 |
3 | Φ44x120 | 9 | 7.65 | 33.7 | 27 | 23.8 | 250 | 100 |
5 | Φ44x150 | 10 | 8.4 | 36 | 30 | 23 | 250 | 100 |
6 | Φ44x150 | 11 | 9.4 | 40 | 33 | 27 | 250 | 100 |
7 | Φ44x150 | 12 | 10.2 | 42.2 | 36 | 30 | 250 | 100 |
8 | Φ44x180 | 15 | 12.7 | 51 | 45 | 38.5 | 250 | 100 |
9 | Φ44x210 | 18 | 15.3 | 61.5 | 54 | 46.2 | 250 | 100 |
10 | Φ44x240 | 21 | 17 | 71.8 | 63 | 54.2 | 250 | 100 |
11 | Φ44x270 | 24 | 19.5 | 82 | 72 | 62 | 250 | 100 |
12 | Φ44x300 | 27 | 22 | 92 | 81 | 69.8 | 250 | 100 |
13 | Φ44x330 | 30 | 24.4 | 102 | 90 | 79 | 250 | 100 |
14 | Φ44x330 | 33 | 27.5 | 112 | 99 | 86.7 | 250 | 100 |
15 | Φ44x360 | 36 | 29 | 123 | 108 | 92.4 | 250 | 100 |
Qaphela: Singakwazi ukuyila kwaye senze iimveliso ngokweemfuno ezithile zomthengi.
Umbane ongaphezulu kwesixokelelwano sombane unokwenzeka ngenxa yombane okanye ukusebenza kokutshintsha.Oku kugqithiswa kwamandla kunokufikelela kwii-amplitudes eziyingozi zezixhobo zenkqubo yamandla.Ukukhusela inkqubo yezixhobo zombane kunye nokuqinisekisa ukusebenza kwezoqoqosho nokuthembekileyo, izithinteli zokuqhafaza zisetyenziswa phantse kuzo zonke iintlobo zothungelwano lwamandla ombane.I-Gapless zinc oxide (ZnO) i-surge arresters isetyenziswa ngokubanzi.I-surge arresters idla ngokudityaniswa phakathi kwesigaba kunye ne-ground terminals.Banciphisa inqanaba lombane kwizixhobo ezifana neziguquli ezingaphantsi komgangatho wokumelana nombane.
I-axis yexesha lahlulwe kuluhlu lombane ogqithisayo kwi-microsecond, ukuguqula i-overvoltage kwi-millisecond kunye nokugqithisa okwethutyana okwesibini.Kwi-overvoltage yombane kunye nokutshintshwa kwe-overvoltage range, ubukhulu be-overvoltage bunokufikelela kwiiyunithi ezininzi ngeyunithi ukuba inkqubo ingenalo ukhuseleko lokubanjwa.I-Arrester inokunciphisa i-overvoltage engaphantsi kokumelana nombane wesixhobo.Le nto ibonisa ngokucacileyo ukubaluleka kokubamba umbane wokukhusela umbane.
Ukwakhiwa kweZinc oxide Surge / Lightening Arrester:
Ukwakhiwa kwe-ZnO Lightening Arresters kulula kakhulu.Ziquka i-insulating yezindlu ezenziwe nge-porcelain kwaye ikholamu yangaphakathi yenziwe ngeebhloko ze-ZnO njengoko kuboniswe kuMzobo ongezantsi.
Ibhloko ye-ZnO inikezela ngeVoltage- Iimpawu zangoku ezingezizo ezisebenza eyona njongo iphambili yokhuseleko ekugqithiseni.Ngaloo ndlela sinokuthi ibhloko ye-ZnO ine-resistiveivity engekho-liner.
IVoltage yeempawu zangoku ze-Zno Block:
Umzobo ongezantsi ubonisa iimpawu ze-VI ze-ZnO element ezahlulahlulwe kwiindawo ezintathu, ukuba ngummandla ophantsi wangoku (A), ummandla osebenzayo (B) kunye nommandla ophezulu wangoku (C).