A kanin mulkin zafi mai yau, ina yi aiki da mutanen da suka shiga hanyar zuwa current transformers (CTs) kowace rana. Maimakon CT na biyu ba za su iya gama cikin fagen! Idan an gama cikin fagen, akwai tsari na biyu da fasahar demagnetizing suna zo ne. Duk wadanda a tsari na maimakon sun zama fasahar iron core na exciting, wanda yake zama da zama kyau a wannan fasahar magnetic flux density. Kyautar tsohon kungiyar za su iya haifar da dalilin abin da ba tare da shiga.
Idan an yi amfani da takamun kirkiro mai kyau, masu sayarwa da suka shiga hanyar zuwa electricians suna da muhimmanci ga kyawawan sayarwa da tattalin arziki. Idan an yi tasirin kirkiro mai kyau, masu sayarwa suna da muhimmanci ga kyawawan sayarwa da tattalin arziki. Idan an yi tasirin kirkiro mai kyau, masu sayarwa suna da muhimmanci ga kyawawan sayarwa da tattalin arziki. Saboda haka, waɗannan yanayi suna da muhimmanci ga kyawawan sayarwa da tattalin arziki. A nan, za mu bayyana misalai na yanayi da suka faru a kan projekti na ziyartar tsohon kungiyar da na yi a baya, za mu bayyana misalai na yanayi da suka faru a kan projekti na ziyartar tsohon kungiyar da na yi a baya.
1. Tufafin Yanayi: Tsakiyar Transformer Da Ya Zama
A ranar 27 ga Watan Satumba, 2012, babban kamfanin da muna inganta tsohon kungiyar ta kasance da projekti na ziyartar tsohon kungiyar. Idan an kasa kungiyar don in yi amfani da CT na gabashin line cabinet, muna kasa shi kuma neman cewa - CT ya zama da koyar! Idan an kasa kungiyar don in yi amfani da CT na gabashin line cabinet, muna kasa shi kuma neman cewa - CT ya zama da koyar! Idan an kasa kungiyar don in yi amfani da CT na gabashin line cabinet, muna kasa shi kuma neman cewa - CT ya zama da koyar! Idan an kasa kungiyar don in yi amfani da CT na gabashin line cabinet, muna kasa shi kuma neman cewa - CT ya zama da koyar! Idan an kasa kungiyar don in yi amfani da CT na gabashin line cabinet, muna kasa shi kuma neman cewa - CT ya zama da koyar!
2. Tushen Dalili: Yanayi Mai Ban Sha'awa + Kudin Kirkiro
(1) Bincike Na Gida, Kula "Secondary Wires Cut"
Muna da wasu binciken da muna yi: Secondary outgoing wires na CT na gabashin line cabinet suna kasa ne! Idan an nemi, wannan batu ya faru a lokacin da tsohon kungiyar ta kasance:
(2) Misjudging the Fault, Man - made Open Circuit
A nan, idan amfani na kungiyar ya zama da kyau, over - current protection ya faru da kyau. Masu sayarwa suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma'ana da ba suka neman cewa shi ne, kuma suna da ma......
(3) Hazards of Open Circuit: Iron Core Saturation → Burning
Tsari na biyu na CT na da kyau yana da tsari mai kadan, amma idan an gama cikin fagen, fasahar magnetic wanda ya faru daga tsari na maimakon ba za su iya zama da kyau, iron core ya zama da kyau, iron loss ya zama da kyau, kuma CT ta zama da koyar!
Daga baya, wannan batu ne yana da muhimmanci ga kyawawan sayarwa da tattalin arziki: Team na inganta ba a yi amfani da CT na gabashin line cabinet, setting value na protection ba a yi amfani, masu sayarwa suna yi amfani da hanyar zuwa, wanda ya zama da koyar da CT.
3. Hukumomin Yadda Ake Iya Da Yanayi: "Life - saving Checklist" for Maintenance Workers
A nan, muna da wajen tabbatar da kyautar waɗannan yanayi. Muna bayyana 6 hukumomin da muna da shi, kuma operation and maintenance, design, and installation must all follow the rules:
(1) Design + Drawing Review: Strictly Comply with Specifications
Masu sayarwa da suka shiga hanyar zuwa design units suna da muhimmanci ga kyawawan sayarwa da tattalin arziki; owner suna da muhimmanci ga kyawawan sayarwa da tattalin arziki, kuma drawing review suna da muhimmanci ga kyawawan sayarwa da tattalin arziki.
(2) Equipment Control: Full - process Supervision
Owner suna da muhimmanci ga kyawawan sayarwa da tattalin arziki, kuma procurement, testing, and acceptance suna da muhimmanci ga kyawawan sayarwa da tattalin arziki.
(3) Operation Qualifications: Electricians Must Be Certified
Idan operation and maintenance personnel ba su da qualifications? Ba a lura su kafofin lafiya! Kuma random modification of wiring and disassembly of equipment are strictly prohibited — this is a red line.
(4) Installation and Acceptance: Keep an Eye on the Construction Team
Installation team must follow the procedures, and any wrong installation, corner - cutting, or under - installation must be reworked immediately! The acceptance must be strict to avoid hidden dangers.
(5) Regular Inspections: Strengthen in Special Periods
Daily inspections and panel monitoring are essential, and special periods such as high load, high temperature, and typhoon days must be closely monitored! Check the appearance, smell for peculiar odors, and listen for abnormal noises to detect abnormalities early.
(6) Overhaul and Testing: Don't Let "Sick CTs" Be Put into Use
Overhauls must be carried out in strict accordance with standards, and the process must be in place; electrical tests must be thorough, and CTs with defects must never be put into use.
4. Conclusion: CT Open Circuit is Extremely Dangerous, Maintenance Workers Must Know "Prevention and Rescue"
A secondary open - circuit of a CT is no small matter; it can cause equipment outages, protection maloperations/refusals to operate, and lead to major accidents at any time. As front - line maintenance workers, we must thoroughly understand the hazards and causes of open circuits, conduct more inspections and investigations in daily work, and be able to solve problems immediately when abnormalities occur. Only by implementing these measures can CTs operate stably and the power grid have fewer troubles!