220 kV ɗaya mai haguwar gida (na'ura)
Abubuwa gaba
| Muhimmiya | Switchgear parts |
| Model NO. | 220 kV ɗaya mai haguwar gida (na'ura) |
| Rated Voltage | 220kV |
| Siri | YJJJI |
Bayani na sayen daga mai wuyaci
Na gida na kudin:
Yana amfani da casting a resin epoxy ko kudin stress cone na yankin don inganta tattalin mafi yawan electric field da capacity na local discharge ≤ 5pC (IEC 60840 standard)
Kudin shekaru masu waterproof tape, na protection level IP68, ya fi dacewa da cikin yankunan da ke da ruwa kamar direct burial da tunnels
Kyakkyawar electrical:
Rated voltage 220kV (Um=252kV), yana iya amfani a cable cross-section of 250~2500mm ², short-circuit current withstand capacity ≥ 25kA/3s, insulation resistance ≥ 10 ¹² Ω, dielectric loss ≤ 0.01 (1kHz)
Scenarios na amfani
Engineering na karamin sarki: ana amfani a matsayin intermediating connection of 220kV cable lines, wanda yana iya amfani a direct burial, conduit ko cable trench laying
Station na karamin sarki na energy: an fito da wind power da photovoltaic booster stations, wadannan suna bukatar da su ci gaba a kan operation na outdoor ta hanyar lokaci (kamar salt spray da vibration)
Grid na karamin sarki: Interconnection na substations ko projects na ring network suna bukatar da detection na partial discharge na regular (kamar PD3302 ultra-high frequency detector)
Standards na Technical da Certification
Standard: Yana ci gaba da GB/T 12706.3-2008 (220kV Cross linked Polyethylene Insulated Cable Accessories)
Certification: Ya kamata a lalace PSE, CE ko State Grid supplier qualification audit
Kayan da ke zuwa
kima mai yiwuwa da wata
Waktu na kirma
100.0%
≤4h
Gaskiya ta hanyar kamfanin
Workplace: 1000m²
Jami'a nanan mafi girma:
Zama-zama na Farko da aka Fitowa a Shekarar (USD): 300000000
Aiki
Turanci Masana: Sallar
Ƙananunan Cigaba: Aakwụkwọ ọnụọgụ/Gwadàbwata/Low voltage electrical equipment/Maimaitar da kimiyya/Ajiyayi na farko/Kọ̀mọ́ àwọn ẹ̀ka ìjìnlẹ̀ ènìyàn
Mafarkin tsoro na yawan kulle
Kayan aiki na alaka da amfani, yin amfani, gyara-gyaran da kuma pasuwa na kayan karkashin yanayi, suka kentuwa da kaiwansu masu iko, ingantacciyar hankali da kuma amfani mai kyau.
mabudin aikatan kayan dabbobi sun dawo da idoni masu iko da ma'ajiriyya, sannan suka tabbata inganci, kwayoyin uku da na'ibbicci ne daga babban kayan aikin
Makarantar Mai Yawanci
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GT-G Copper connecting tube (through-hole) Gwọọ GT-G na-agba mmiri (na-akpọrọ anya)
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DTL Intermediate copper terminal Bukar DTL na ƙungiyar kofin kasa
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ALS Series fan-shaped aluminum terminal block (tube material) Na gode da ake kawo karshen bayanin IEE-Business, wannan bayani ba a yi amfani da ita. Idan an yi amfani da ita, za a iya kawo karshen bayanin da ake amfani da ita don in taimaka wajen bayyana abubuwan da ake magana a cikin wannan rubutun.
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GL-G alumiini kọnisin pipu (through-hole)
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Siri na GL na pipe aluminum na ganci
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GT Copper na pipe da shiga
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GTY Export kọ̀ọ̀kan ọ̀dàn
Zan'antar Ilimi
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Sabbin Farkon Kudurwa a Off-Circuit (De-energized) Tap ChangersI. Dukkukan da ke Tap Changers na Off-Circuit (De-energized)1. Sababin Dukkukan Kwamfuta na tap changer contacts, kisan kyauwar kurfofin roller wanda ya kawo tsari masu yawa, ko kisan kyauwar zafi mai girma ta silver-plated layer wanda ya haifar da dukkukan—zai iya haifar da tap changer a lokacin da ake yi. Makunshi na tap positions, ko makunshi/welding da ba daidai ba, ba zan iya taka da current surges na short-circuit. Zabu na tap position na daɗi, wanda ya haifar da kasa da dukkukan. KwamfutaFelix Spark11/05/2025 -
Me kana da yin hanyar da ke cewa mafi yin hankali a tashar hankali na transformer?Idan da yin hanyar tashin karamin zafi ba ta yi, yana nufin kadan gaba daga cikin yanayi. Dalilin mafi yawa shine, idan ba ake amfani da shirin na biyu, tsari na farko yana da muhimmanci a wuce masu daidai. Misali, idan tsari na rike shi ne 10 kV, tsari na biyu a lokacin da ba ake amfani da shi yana iya haɗa zuwa 10.5 kV.Wadannan tsari mai yawa yana sauyi ƙwarewa masu karamin zafi (B) a cikin take. Idan a tuna bayyana:B = 45 × Et / S(indaso Et shi ne volts-per-turn da aka sanya, kuma S shi ne tsNoah11/05/2025 -
Ga wasu yanayin da ya kamata a yi harsuna cikin karamin IEE-Business, idan an sami wani abu daga cikin waɗannan: - Idan an rarrabe da ƙaramin magana a kan ƙaramin IEE-Business - Idan an sami wani abu na gaba-gaban ƙaramin IEE-Business - Idan an yi aiki da ƙaramin IEE-Business a wurin da ba ta da kyau - Idan akwai wasu muhimman adawa a kan ƙaramin IEE-BusinessA cikin lokacin koyarwa na mazauna da ke tafiya, yana da kyau a bayyana abubuwan da ke shafi haka don ya koyar da mazauna. Yana da kyau a koyar da mazauna ta tafiya a cikin abubuwan da suka bi: Idan an yi koyarwa na transforma, ya kamata a fuskantar sakiyar tsakiyar neutral-point kafin a yi waɗannan yanayi a cikin transforma. Tsarin gina shi ne mai sauƙi: babu da kyau a fuskantar sakiyar tsakiyar neutral-point kafin an gina transforma. Ba za a iya gina transforma idan sakiyar tsakiyar neutral-poEcho11/05/2025 -
Me ke da take da ake yi don karamin yaki a matsayin bayanai na gafara masu tashar karamin kwarewa?Gwaji-gwajin aiki na kumbotar jirgin ruwa suna da shi a cikin hanyoyin aiki mai yawa, hadadin gaba a kan wakiltun da ya fi karfi, kuma yi karfi, tsarki a kan rubutun jirgin ruwa, yawan abuwar wasu ko mutanen bayanin ruwan, batun fayafayen fuse ta kadan ko fuska a lokacin da take, kuma hadadin gaba a kan dukkantun ruwa, kuma faruwar ruwan, da kuma hadadin gaba daga wurare.Saboda kumbotar jirgin ruwa suka da ruwan mai kyau, tsafta suke da shi a cikin hanyoyin aiki mai yawa—daga inda ruwan ke faruwNoah11/05/2025 -
Misalai na gaba da ake samu a kan abin da ke faruwa a lokacin da ake yi aiki a cikin kammalan IEE-Business bayanan karamin yadda ake taimaka da shi?Ingantaccen Maimaitar Differensial na Turanci Masana: Matattuka da Dalilai da KoyarwaIngantaccen maimaitar differensial na turanci masana shi ne mafi yawan karkashin cikakken duk ingantaccen maimaitar differensial. Ana iya faruwa a tushen rayuwa. A ranar 1997, bayanin Northern China Power Grid ta nuna cewa a kan transformashi da sauran 220 kV ko da ya fi, akwai 18 fadada faruwar gaba, daga cikinsu 5 suna so ku maimaitar differensial na turanci—wanda ya zama kusan shekaru. Dalilan faruwar gaba koFelix Spark11/05/2025 -
Me kana da muhimmanci na amfani da hanyar kan gagarwa a cikin kungiyar rarrabawa, kuma me kana da abubuwan da zai iya samun yawan inganci? Ko kungiyar rarrabawa mai adadin da za a yi waɗanda suka shafi suna cewa an yi da ita ya kunshi: - Yadda ake gagar da sauran abubuwa masu gagarwa a cikin yanayi na musamman - Yadda ake gagar da abubuwa masu gagarwa a cikin yanayi na musamman don in ba da aiki mai kyau - Yadda ake gagar da abubuwa masu gagarwa a cikin yanayi na musamman don in ba da dalilai - Yadda ake gagar da abubuwa masu gagarwa a cikin yanayi na musamman don in ba da dalilai Amsa: Ana bukata a taka da hanyoyi masu gagarwa ga IEE-Business. Wannan ya kunshi: - Ingantaccen fahimta game da tsari na gagarwa - Tattaunawa da kungiyoyi masu gagarwa - Tattaunawa da kungiyoyi masu gagarwa don in ba da aiki mai kyau - Tattaunawa da kungiyoyi masu gagarwa don in ba da dalilaiMaimakon Common Grounding?Common grounding yana nufin amfani da kungiyar tashar jirgin (aiki) na gwamnati, tashar sauci na zawar, da kuma tashar sauci na ra'ayi rayuwa ta hanyar wani kungiyar tashar jirgi. Kafin bai yin amfani da shi ba, zan iya cewa mafi girman tashar jirgen da suka dace suka dace ne suka haɗa da kungiyar tashar jirgen da suka haɗa.1. Fa'idota Common Grounding Sisteminsa yana zama mai kyau da kuma mafi girman tashar jirgen, wanda ya ba da gaba da rike da tattaunawa masu aiki. ZEcho11/05/2025
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