35KV-0.4KV Oil-Immersed Earthing Transformer – 3 Phase Zig-Zag Type Na gaskiya, a harshen ha_NG (Hausa na Najeriya) ba a samu kalmomin da suka fi sani da wurin da aka bayar. Saboda haka, ana iya amfani da kalmar da aka bayar a cikin harshen Ingilishi. Idan akwai wani abu mai shafi game da wannan, zaka iya sake tuntubi masana kan.
Abubuwa gaba
| Muhimmiya | ROCKWILL |
| Model NO. | 35KV-0.4KV Oil-Immersed Earthing Transformer – 3 Phase Zig-Zag Type Na gaskiya, a harshen ha_NG (Hausa na Najeriya) ba a samu kalmomin da suka fi sani da wurin da aka bayar. Saboda haka, ana iya amfani da kalmar da aka bayar a cikin harshen Ingilishi. Idan akwai wani abu mai shafi game da wannan, zaka iya sake tuntubi masana kan. |
| Rated Voltage | 35kV |
| Rated Frequency | 50/60Hz |
| Siri | JDS |
Bayani na sayen daga mai wuyaci
Product Overview
Rockwill’s 35kV oil-immersed earthing transformer is specially engineered to provide a reliable neutral grounding point in medium-voltage networks where direct grounding is not available. Designed with a zig-zag winding configuration, this 3-phase transformer ensures optimal zero-sequence impedance, effectively limiting ground fault currents and stabilizing transient overvoltages.
Its robust oil-immersed construction guarantees long-term insulation reliability and thermal performance in outdoor environments.
Key Features
Zig-Zag Winding: Enables controlled neutral grounding and effective zero-sequence current flow for protective device coordination.
High Insulation Performance: Complies with 35kV-class insulation levels and withstand voltage standards.
Efficient Core Design: Made of cold-rolled grain-oriented silicon steel to reduce core losses and no-load current.
Copper Windings: Oxygen-free copper ensures reduced winding losses and superior short-circuit resistance.
Fully Sealed Tank: Maintenance-free with anti-corrosion surface and integrated oil conservator (if required).
Standardized Manufacturing: Built in accordance with IEC 60076, IEEE, and customer-specific utility codes.
Typical Applications
Medium-voltage distribution systems (33/35kV class)
Renewable energy substations (solar, wind)
Isolated generator grounding systems
Utility and industrial MV feeders requiring neutral grounding
Protection system grounding via NGR (Neutral Grounding Resistor)
Technical Highlights
Ma'ana cikin hanyoyi na gudummawa da ake yi a wurare (kamar karkashin tsafta da kungiyoyi na kimiyya) shine zuwa damar rike mai karfi da kuma yin haɗa suka ƙasa. Saboda haka, zan iya bayyana abubuwa uku game da muhimmanci don zaɓe hanyoyi na gudummawa: ① Zan iya samun lokacin da ya kamata a kan 60 detar ko lokaci ɗaya, saboda hanyar ya bukata a duba matsayin hanyar har zuwa wani lokaci don in ba da shawarwari da kuma in tabbatar da matsayinta, domin in ba da inganci a ƙoƙarin ƙara hanyar gudummawa; ② Yana bukata a duba damar rike mai karfi ta hanyar da tsaye, yawanci 30-50 ohms a kan ɗaya daga cikin hukumomin, don in ba da shawarwari cewa rike mai karfi an yi ƙasa a kan ɗaya daga cikin 5-10A; ③ Ana bukata a duba modelai na sauyin magana mai yawa don in ba da kwallon kirkiro masu karfi da kuma bincike da kula (kamar sauyin 400V); ④ Ana bukata a duba grade na kirkiro a ƙara ɗaya, saboda tsaye na ɗaya daga cikin hukumomin da ba da hanyar ba yake zama mafi tsaye a lokacin da hanyar, don haka ana bukata a duba kirkiro mai kyau.
Amsa da za a yi amfani da su tare (yanayi a cikin hanyoyin kungiyar jiragen da kuma hanyoyin kungiyar tsakiyar rarraba). Tushen ya shafi shi shine zama gajarta masu rayukansu da kuma idan yawan rayukansu ta hanyar "kungiyar tsakiyar jiragen da take kawo rawa mai suna + kungiyar tsakiyar jiragen da take kammala rayukan". Kowane abu daga biyu suna da muhimmanci a kan amfani da su tare: ① Muhimmiyar musamman: Za a samun tasannufin bayanaiwa da kungiyar tsakiyar jiragen da take kawo rawa mai suna da kungiyar tsakiyar jiragen da take kammala rayukan don baka rayuwar shirya; ② Tasannufin inganci: Ingancin fadada kungiyar tsakiyar jiragen da take kawo rawa mai suna ya kasance ita ce kungiyar tsakiyar jiragen da take kammala rayukan don ba da zuciya a cikin waɗanda rayukan ke faru; ③ Muhimmiyar dalilin gajarta: Dalilin gajarta na kungiyar tsakiyar jiragen da take kammala rayukan ya kasance ita ce dalilin gajarta na kungiyar tsakiyar jiragen da take kawo rawa mai suna don baka rayuwar shirya; ④ An fi sani da abubuwan da ake sa a matsayin kwallon kayan aiki (kungiyar tsakiyar jiragen da kungiyar tsakiyar jiragen da take kammala rayukan) don rage maimaita a cikin hanyoyin kungiyar da kuma haɗa da zuciya a cikin waɗanda rayukan ke faru.
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GIS Dual Grounding & Direct Grounding: IEE-Business 2018 Masu Tsakiyar Zafiƙar Zabu1. Daga GIS, yadda zan iya fahimta abin da ke kalmomin 14.1.1.4 a kan "Hassar Barazan Da Duk Ayyuka" (Babban Kungiyar Karkashin Kirkiro, 2018 Edition) na?14.1.1.4: Wajen tsafta ta transformer ya kamata a haɗa da biyu a cikin hagu mai tsawo na gida ta kungiyar karkashin kirkiro, tun daga duk baka biyu na musamman, kuma har yadu a cikin biyu na wajen tsafta ta kamata ya shafi masana'antuwar hotuna. Abubuwa da suka fiye da kayayyakin karkashin kirkiro suna kamata suka haɗa da biyu a cikin wajen tsaEcho12/05/2025 -
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