Ngā Āhuatanga me te Whakamahinga o te Whakawhiti Momo Maroke

I tēnei wā, ko ngā whakawhiti hiko maroke o Haina he raupapa SC totoka-toru-wāhanga, pērā i: te raupapa whakawhiti takai-toru-wāhanga SCB9, te raupapa whakawhiti konumohe-toru-wāhanga SCB10 raupapa whakawhiti konumohe-toru-wāhanga SCB9. Ko tōna taumata ngaohiko kei roto i te whānuitanga o te 6-35kV, ko te kaha mōrahi tae atu ki te 25MVA. Ko te whakawhiti maroke e wehea ana ki ngā wāhanga e rua o te whakawhiti maroke kua whakakīia me te whakawhiti maroke kapia.

1. Huringa momo maroke kua whakakīia

Ko te waea o te whakawhiti hiko momo maroke kua whakakīia ki te wai i Haina kua hipokina ki te waea karāhe, ā, ko te papa he mea pēhi wera ki te rauemi ārai e rite ana. Ko te nuinga o te wā e whakamahia ana i roto i ngā teihana hiko wai me ngā whare teitei he pai te ātete ki te ahi.

Nā te rerekētanga o te peita whakakī, ka wehea te whakamarumaru whakawhiti ki te whakamarumaru matua, te whakamarumaru F, te whakamarumaru H, te whakamarumaru C, me te whakamarumaru poutū (te whakamarumaru matua i waenga i te takai me te takai, me te whakamarumaru matua i waenga i te takai me te takai.

Ko te ārai poutū e pā ana ki te ārai i waenga i ngā pūwāhi rerekē me ngā wāhanga rerekē o te takai whakawhiti me ngā pūmanawa rerekē, tae atu ki te mahi ārai i waenga i ngā hurihanga, ngā paparanga me ngā wāhanga o te takai. Ka whakamahia te hau hei arai.

He nui ake te pānga o te taiao ki tēnei momo whakawhiti hiko i te momo whakawhiti hiko maroke kapia, he nui ake hoki te āhua me te taumaha, ā, ka iti haere te putanga i te kāinga me tāwāhi.

He hiri pito kei ngā pito e rua o te takai, kāore e wehi i te tai, he kaha te ātete ahi, he ārai ahi i roto i te ahi tuwhera i te 750 ℃, he momo hou o te whakawhiti maroke.1.2 Ko te whakawhiti momo maroke kapia mō ngā hua matua o te whakawhiti whakarewa kapia o te kāinga o ēnei rā ka taea te wehewehe ki ngā wāhanga e toru e whai ake nei.

Ko te momo tuatahi, e kiia ana ko te whakawhiti whakawhiti waea, ko tōna ngaohiko teitei he whakarewa rango pakaru waea, ko tōna ngaohiko iti he whakarewa rango pakaru waea (rango wāhanga rānei); Li Qian, Shaanxi provincial Electric Power (rōpū) Co., LTD. Kia mōhio koe ki te whakarewa kore whakakī.

Ko te momo tuarua, e kiia ana ko te whakawhiti whakarewa takai-pepa, ko tōna ngaohiko teitei he momo whakarewa takai-pepa wāhanga, ko tōna ngaohiko iti he momo takai pepa parahi (pepa konumohe rānei); ko te whakarewa he mea whakakī.

Ko te tuatoru o ngā momo, he pēhanga teitei mō te momo ringihanga rango pakaru waea, he momo takai konumohe parahi pēhanga iti (konumohe konumohe rānei); ka makaia te maka me te kore he whakakī.

He āhuatanga motuhake ō ngā momo hua e toru o runga ake nei i roto i te hanga me te mahi o ngā hua, ā, kei te nohoia e rātou tētahi wāhanga mākete i tēnei wā. I roto i tēnei tuhinga, ka arotahi mātou ki te matapakinga o ngā whakawhiti hiko ringihia waea.

2. Whakawhiti whakawhiti waea

2.1. Ngā āhuatanga hanganga

I te tuarua o ngā tipu hiko o Baoji, te kawanatanga o Shaanxi, ko ngā whakawhiti hiko maroke e whakamahia ana i te wheketere he whakawhiti hiko ringihia kua takai waea katoa, he 6 kV te taumata ngaohiko, he 100 kVA ki te 1600 kVA te kaha, ā, he tāutanga ā-roto.

Ko ngā takai ngaohiko teitei me te iti o te hua he mea hanga ki te waea parahi, kua takai katoatia, kua whakapakaritia ki te muka karāhe, he whakamarumaru angiangi, he kapia kāore he whakakī, kua whakakiia ki te wai i raro i te āhua korehau, ā, kua whakamaroketia kia rite ki te pihi whakamaroke pāmahana motuhake.

Ka whakamahia e te takai ngaohiko teitei he hanganga rango wāhanga motuhake, ā, ka whakamahia e te takai ngaohiko iti he momo rango paparanga maha, he momo rango wāhanga, he momo rango wāhanga motuhake rānei, e ai ki te taumata ngaohiko.

2.2 Ngā Āhuatanga Hangarau

2.2.1 ātete pānga o te ringihanga waea o te takai whakawhiti HV e whakamahi ana i te hanganga porotaka wāhanga motuhake, e hangai ana tēnei hanganga ki te takai porotaka wāhanga noa, ko te momo rango wāhanga noa i riro mai i a ia ngā painga o te ātete pānga o te takai porotaka, ā, i whakatauhia hoki te apa o te takai porotaka o te ngaohiko teitei i waenganui i te whakahē, he hanganga takai tino pai, e kiia ana he hanganga takai kore-whakaohooho.

Ki te whakataurite ki te rango wāhanga noa, ka taea e te rango wāhanga motuhake te whakaiti i te ngaohiko i waenga i ngā paparanga, te whakapai ake i te tohatoha ngaohiko, me te whakapai ake i te kaha pānga kia tu atu ai i te ngaohiko hauhautanga me te ngaohiko whakahaere.

Ko te ātete pānga ehara i te mea e pā ana ki te hanganga o te takai anake, engari e whakawhirinaki ana hoki ki te kounga whakarewa o te takai me ngā āhuatanga hiko o te rauemi whakamahana.

Kia oti te takai i te hua, ka ringihia ki te kapia parakore i roto i te āhua korehau, ā, kāore he whakakī e tāpirihia, kia kore ai e whakaitihia te rere o te kapia.

Nā te mea ka takaihia te takai ki te waea, ka taea e te kapia te whakakī katoa i te takai, ahakoa mai i te taha tuaka, i te taha porowhita rānei o te takai, ā, kāore he mirumiru i roto.

Whakarāpopototanga: E whakaatu ana tēnei pepa i te whakarōpūtanga me ngā āhuatanga o te whakawhiti maroke, ā, e arotahi ana ki ngā āhuatanga hanganga o te whakawhiti ringihanga waea, ngā āhuatanga hangarau, te pūnaha whakamatao, te pūnaha whakahaere pāmahana me ētahi atu, e whakarapopoto ana i te tirohanga whanaketanga o te whakawhiti maroke. Ngā kupu matua: whakawhiti maroke; Te whakarōpūtanga o te whakawhiti whakarewa waea.

He mārō te whakamarumaru o te kapia me te muka karāhe, he pai te ātete pānga, he iti noa te rere o te wai i te rohe.

2.2.2. He kaha ā-mīhini pai, he ātete poto hoki. Mō te momo takai waea porotaka-wāhanga, i muri i te ringihanga korehau, ka taea te rumaki i te kapia i waenga i ngā paparanga, ngā hurihanga me ngā wāhanga o te takai i te wā kotahi.

I muri i te whakamaroketanga, ka honoa pūmau te kapia, te waea me te muka karāhe hei hanga i tētahi hanganga tinana pakari. Nā ngā āhuatanga hangarau kaha o te hanganga e whakatau ana he pai te ātete ki te ara iahiko poto o ngā hua whakarewa waea.

Ko te tauwehenga whānui wera o te rauemi whakamarumaru hiato i hangaia mā te whakamaroke i te kapia me te muka karāhe ko (18 ~ 20)×10-6/K, ā, ko te tauwehenga whānui o te parahi i whakamahia i roto i te takai ko 17×10-6/K, he tata ki te rua. Ka whakakorea te ahotea miihini i waenga i te arataki takai me te rauemi whakamarumaru i puta mai i te whānui wera me te whakaheke makariri i te wā e whakahaerehia ana te whakawhiti hiko. Mai i te pūtake ki te whakakore i te āhuatanga o te pakaru.

I te mea he mea whakarewa te hua ki te kapia i te pēhanga teitei me te pēhanga iti, ā, he mea pani te pūtake rino ki te kapia, he kaha tōna ātete ki te makuku me te waikura. Ina 100% te haumākū whanaunga o te hau, ka taea tonu te oma mō te wā roa.

Nā te mea he tino kaha te hiko o te whakamarumaru hiato i hangaia mai i te kapia parakore me te muka karāhe, ko te matotoru o te whakamarumaru mata o te hua he 1.5 ~ 2 mm noa iho, e tino whakapai ake ana i te pai o te whakamarara wera o te mata takai.

2.3. Pūnaha whakamatao me te tiakitanga

Ka whakamataohia ngā whakawhiti hiko maroke e te whakamatao hau maori me te whakamatao tohanga hau ā-kaha. Ka whakamahia te whakamatao hau maori hei whakarite i te mahi noa o te whakawhiti hiko i raro i te kawenga kua whakatauria. Ko ngā whakawhiti hiko maroke e whakamahia ana i roto i te tipu hiko baoji Nama 2 ka whakamataohia katoatia e te hau ā-kaha e te pā hau radial.

I muri i te whakamatao mā te tohanga hau ā-kaha, ka taea te whakanui ake i te kaha o te whakawhiti momo-maroke me te 800 kVA me raro iho mā te 40%, ā, ko te kaha o te whakawhiti momo-maroke me te 800 kVA me runga ake ka taea te whakanui ake mā te 50%, ā, ka taea te oma tonu.

Ko te momo whakawhiti maroke he tikanga tiaki IP00, arā, kāore he anga, mō te whakamahi i roto, ko te tipu hiko tuarua o Baoji te whakamahi i tēnei aratau tiaki. Waihoki, tāpirihia he anga tiaki kia rite ki ngā hiahia o te kaiwhakamahi.

Ka ārai te whare IP20 i te urunga mai o ngā mea totoka neke atu i te 12 mm te rahi, ā, ka ārai hoki i ngā wāhanga ora. Ina whakamahia te tiakitanga IP23, haunga te mahi tiakitanga IP20, he mahi anō hoki tāna hei ārai i te turuturu o te wai.

2.4. Pūnaha whakahaere pāmahana

Ko te haumaru me te pono o te mahi me te roa o te mahi a te whakawhiti hiko hiko e whakawhirinaki ana ki te haumaru me te pono o te whakamarumaru o te takai whakawhiti hiko. Ko te pāmahana o te takai e nui ake ana i te pāmahana whakamarumaru ko tētahi o ngā take matua ka pakaru te whakamarumaru, ā, kāore e taea e te whakawhiti hiko te mahi tika.

Ka whakamahia e te whakawhiti whakarewa waea raupapa SC te pūnaha tiaki pāmahana aunoa XMTB. Kei roto i te huringa tuatahi o te waea takai iti-ngaohiko te huānga ine pāmahana ātete konukawata hei kite aunoa i te pikinga pāmahana o te takai, hei whakaatu i te pāmahana o te takai iti-ngaohiko-toru-wāhanga, me te whakarato i te tiaki pāmahana mō rātou.

I te huringa o te pāmahana me te kawenga o te taiao, ina tae te takai ki te pāmahana rohe, ka tukuna aunoa e te kaiwhakahaere pāmahana he tohu hei whakahaere i te tīmatanga o te pā (110 ℃), te aukati pā (90 ℃), te whakaoho (120 ℃) ​​me te whati (145 ℃), kia whai mana pono ai te tiaki i te kawenga nui rawa atu i te wā e mahi ana te hua.

Ka whakamahia e ngā whakawhiti whakawhiti waea raupapa SC3 te hangarau patent M&C mō te kimi me te whakahaere i te pāmahana o ngā takai whakawhiti, ā, ka puta he kaiwhakahaere pāmahana ka taea te kite tika i te pāmahana o ngā takai, me te whakatutuki i te whakahaere hau whakamatao (AF), te whakaoho pāmahana nui me te haerenga pāmahana nui o te whakawhiti.

I muri i te whakatikatika noa i te pūmana pāmahana, ka tukuna tuatahitia te whakawhiti ki te whatunga, kātahi ka whakakahangia te pūmana pāmahana kia mahi. Kei roto te pūmana pāmahana i te āhua whakahaere aunoa, ā, ka mahia te kimi me te tiaki pāmahana o te whakawhiti. Ina teitei ake te pāmahana o te takai i te 110 ℃, ka tīmata te pūmana pāmahana i te pā hei whakamatao kaha; ki te heke te pāmahana o te takai i raro i te 90 ℃ i raro i te whakamatao hau kaha, ka mutu te pā.

Ki te piki ake te pāmahana o te takai, ka tukuna e te kaiwhakahaere pāmahana he whakaoho pāmahana nui rawa (155 ℃) me te tohu hinga pāmahana nui rawa (170 ℃). Ina pakaru te kaiwhakahaere pāmahana, ā, kāore e taea te tango mō te wā poto, tangohia te kaiwhakahaere pāmahana, ka taea tonu te mahi a te whakawhiti hiko, me aroturuki noa me te whakarite kei roto te whakawhiti hiko i te āhua mahi noa.

3. Te whakataurite i waenga i te whakawhiti maroke me te whakawhiti hinu-rumakina

He uaua ki te whakakapi i ngā whakawhiti hiko hinu-rumakina ki ētahi atu whakawhiti hiko nā ngā painga nui me te iti o te utu. I roto i ngā whakaritenga tiaki ahi o waho me ngā wāhi whānui, i nāianei me ngā wā kei te heke mai mō te wā roa, ka noho tonu te nuinga o te whakawhiti hiko hinu-rumakina.

Engari mō ngā wāhi he nui ngā whakaritenga mō te tiaki ahi, ka whakamahia ngā whakawhiti hiko momo maroke, wai kore-mura, me te wai kore-mura. He nui ake te kaha uta o te whakawhiti maroke i te whakawhiti hinu-ruma, nā te mea he iti ake te kiato o te iahiko o te whakawhiti maroke, he nui te kaha wera, ā, he nui te pumau o te wā takai.

Ki te whakatauritea ki te whakawhiti hinu-rumakina, ka pai ake te āhua mahi whakamahana o te whakawhiti maroke. He nui ake ngā wāhi e whakamahia ana mō te whakawhiti hinu-rumakina, he nui ake te tāutanga o waho.

He iti te whānuitanga o te tuku hiko o te whakawhiti maroke, ā, he nui ake te mahi o roto. Ki te whakaritea ki ngā whakawhiti hinu-rumakina, he iti ake te kaha o te uira, he puhoi ake te pane ngaru, ā, he iti ake te tūponotanga o te whiunga uira.

He maha ngā wā ka tiakina ngā whakawhiti maroke e ngā ārai waikura whakarewa, e kore e whakawhāiti noa i te ngaohiko teitei o te hau, engari e whakawhāiti ana hoki i te ngaohiko teitei o roto.