
A nan ƙarin hanyar zaɓe kamar ƙarin haɗin kasa (UHV), gida masu lafiya, da Gas-insulated Switchgear (GIS), abubuwa, dalilin kyakkyawan, da tsari na tushen alama ta aiki suna cikin muhimmanci. Amsa mai karatu aiki (VTs) na gine da yawa da suka zama daɗi a kan juyin dole, EMI mai yawa, ma'ana mai yawa, da ke neman aiki da shiga daidai. Amsar da ake aiki don kawo abubuwa, dalilin kyakkyawan, da tsari na tushen alama ta aiki wanda ba suka samu lalace ita ce Electronic Voltage Transformer (EVT).
Abubuwan da Dalilin Kyakkyawan:
- Juyin Dole Mai Yawa: Juyin dole mai yawa (kamar ƙasar da suka dace da ƙarshen) da juyin dole mai yawa (kamar ƙasar da suka dace da sahel) suna da abubuwa da suka zama daɗi a kan alama ta aiki.
- EMI Mai Yawa: EMI mai yawa a cikin GIS da UHV suna iya haifar da alama ta aiki ko kuma haifar da aiki.
- Haifar da Kudan Da Tsakiyar Tukuna: Haifar da kudan da tsakiyar tukuna a cikin VTs na gine masu lafiya ko gas suna zama dalili mai yawa.
- Ma'ana Mai Yawa: Ayyuka UHV suna bukatar ma'ana mai yawa don inganta kyakkyawan da dalilin kyakkyawan.
- Kudin Aiki Mai Yawa: Kudin aiki a wurare da kuma wurare da rike mai yawa (kamar gida masu lafiya) suna bukatar aiki da tsari mai yawa da shiga daidai.
- Yawan Farkon Aiki: Kudin aiki da kiyaye da kudin aiki saboda zafiya ta aiki suna haifar da farkon aiki.
Answar:
Amsar EVT ya kawo abubuwan da dalilin kyakkyawan da suka zama daɗi a kan aiki ta aiki ta aiki da amfani da hanyoyin alama ta aiki na solid-state kamar optical sensing ko precision resistive-capacitive voltage division:
- Hanyoyin Alama Ta Aiki Na Solid-State (Optical ko Resistive-Capacitive): Muhimman ƙaramin alama ta aiki ba suka da ferromagnetic materials, kuma an kawo abubuwan da suka zama daɗi a kan magnetic saturation.
Muhimman Abubuwan:
- Immune to EMI: Ya ba alama ta aiki da shiga daidai a cikin yanayin EMI mai yawa.
- Ma'ana Mai Yawa: Ana bukata a cikin ayyukan UHV.
- Intrinsically Safe: An kawo abubuwan da suka zama daɗi a kan flammable materials ko explosive gases.
- Ultra-Wide Operating Temperature Range (-40°C to +85°C+): Ya ba alama ta aiki da shiga daidai a cikin juyin dole mai yawa.
- Extended Lifespan (>25 years) & Near-Zero Maintenance: Ya kawo kudin tsari da shiga daidai.
Muhimman Hanyoyin Amfani Da Su:
- Gas-insulated Switchgear (GIS): Wadannan amsar EVT suna da kalmomin kusa da girman GIS, kuma ana bukata a cikin hanyoyin amfani da su a cikin yanayin GIS na gine.
- UHV Transmission (AC/DC): A cikin ayyukan UHV, amsar EVT suna da ma'ana mai yawa, EMI immunity, da precision measurement, wadanda suna zama muhimman abubuwan don inganta kyakkyawan da dalilin kyakkyawan.
- Gida Masu Lafiya: A cikin yanayin salt spray corrosion, high-frequency vibration, wide temperature fluctuations, da kudin O&M mai yawa, amsar EVT suna da abubuwan da suka zama daɗi a kan aiki ta aiki da shiga daidai.
- Arctic/High-Altitude Substations / High-Temperature Industrial Environments: A cikin yanayin juyin dole mai yawa, amsar EVT suna ba alama ta aiki da shiga daidai a cikin yanayin da suka zama daɗi a kan aiki ta aiki na gine.