Tasharadda da Tattalin Aiki na Sistemin Shiga Kafin Gajarta 252kV Dead Tank SF6

Gaba

A nan da yakin, tattalin karamin noma a Najeriya ya zama mafi tsawon sama da sunan tattalin arzikin da al'umma. Wani tattalin noma mai zurfi da inganci shi ne muhimmanci ga tattalin arziki. Tattalin noma mai haguji na 252kV suna iya jagorancin tattalin noma ta Najeriya, sannan ma'amulan da suka samu wa takalma shi tana iya tabbatar da tattaunawa da zuriyar tattalin noma. ABB, wanda yake cikin mafi girman masana'antu mai gaban abubuwan kwakwalwa, ta bayyana 252kV dead tank SF6 circuit breaker tare da systemin arc-quenching chamber mai sabbin fassara, wanda ake kawo da ita don tabbatar da buƙatun an yi game da tattalin noma ta Najeriya, kuma ta samu SONCAP certification, wanda yake tabbatar da cewa an rarrabe da kungiyoyin mulki.

Bayanin Systemin Arc-Quenching Chamber
Dual-Break Series Arc-Quenching Design

Systemin arc-quenching chamber na 252kV dead tank SF6 circuit breaker ya fara da dual-break series design. A cikin wannan design, biyu interrupters suna haɗa da duka, sannan har zuwa yana haɗar da kusan 50% daga cikin fassara dukkan, yana nufin 126kV. Wannan hanyar mai jirgin ya ƙara da yanayin haguji na dielectric recovery pressure a kan take daidai.

Idan yadda cutar da ke ciki a tattalin noma, ana samu haguji mai yawan mutane a cikin circuit breaker. A cikin 252kV voltage, an ke nufin cewa interrupter gajimare ya haɗar da 252kV a lokacin da ake ƙara da arc, wanda yake ƙara da yanayin haguji na dielectric recovery na interrupter. Amma a cikin dual-break series design, an haɗa fassara a biyu interrupters. Wannan ya ƙara da yanayin haguji na electrical interrupter da kuma ya ƙara da lokaci da aka bukata don dielectric recovery. Saboda haka, ya ƙara da zuriyan da aka ƙara da arc, kuma ya ƙara da tsari na re-ignition na arc ba da ƙara da arc.

Don in tabbatar da tattaunawa da dual-break series system, ABB ta banya kungiyoyi na precise voltage-sharing control technologies. An fitowa capacitors na parallel a duk biyu ƙofin interrupters. Waɗannan capacitors suna kula da cewa an haɗa fassara a biyu interrupters daidai, hatta a lokacin da ke cikin cutar mai yawa. Wannan mekanismi na voltage-sharing ya ƙara da zuriyan da aka ƙara da systemin arc-quenching chamber.

T-Type Piston Pressure Cylinder Structure

Cylinder na pressure a cikin systemin arc-quenching chamber ya fara da T-type piston structure, wanda yana cikin abubuwan da suka saurari high-speed SF6 gas flow. Idan circuit breaker ya samu command ta trip, T-type piston ya faru zaɓi. A lokacin da ake ƙara, piston ya ciwo gas na SF6 a cylinder zuwa pressure na 1.2MPa.

Wannan ciwo process an kula da cewa an yi shi da damar da za a iya samun high-speed gas flow na 600m/s. High-speed SF6 gas flow yana da muhimmanci a cikin ƙara da arc. Idan arc ya faru, high-speed gas flow zai iya ƙareta arc plasma, ƙara da tsari, da kuma cire ionized particles a cikin arc channel. Wannan zai ƙara da tsarin dielectric strength recovery a cikin arc-extinguishing gap, wanda zai ƙara da circuit breaker zuwa ƙara da fault current da kuma ƙara da arc-quenching task.

T-type piston structure ta da muhimmanci kamar structure mai sauƙi, mechanical strength mai ƙare, da kuma sealing performance mai ƙare. Structure mai sauƙi yana ƙara da manufacturing da maintenance na cylinder, amma mechanical strength mai ƙare tana ƙara da piston za su iya ƙara da high-pressure da high-speed movement a lokacin da ake yi. Sealing performance mai ƙare na cylinder tana ƙara da SF6 gas bazu, wanda tana ƙara da tattaunawa da circuit breaker da kuma ƙara da tattaunawa da tattalin noma.

PTFE-Reinforced Carbon Fiber Nozzles

Nozzle yana da muhimmanci a cikin arc-quenching chamber, da material performance tana ƙara da tsari da arc-quenching performance na circuit breaker. ABB ta zabi PTFE-reinforced carbon fiber don nozzles na 252kV dead tank SF6 circuit breaker arc-quenching chamber.

PTFE-reinforced carbon fiber tana da muhimman properties kamar high temperature resistance, wear resistance, da kuma strong arc-erosion resistance. A lokacin da ƙara da arc, tsari a cikin arc area zai iya ƙareta 10,000 °C. High temperature resistance na PTFE-reinforced carbon fiber tana ƙara da nozzle za su iya ƙara da structural integrity da performance stability a cikin cutar da ke da yawa.

A cikin arc-erosion resistance, wannan material tana iya ƙara da biyar da 2000 full-capacity interruptions (50kA), wanda tana ƙara da maintenance cycle na circuit breaker. Daga cikin materials na nozzles masu zamani, PTFE-reinforced carbon fiber nozzles tana da tsari mai tsabta, tana ƙara da frequency na equipment maintenance da replacement, da kuma tana ƙara da operation da maintenance costs na tattalin noma.

SONCAP Certification and Compliance

Don in samu karfin market a Najeriya, 252kV dead tank SF6 circuit breaker arc-quenching chamber system da ABB ta bayyana ta samu SONCAP certification. SONCAP certification tana ƙara da assessment program mai yawa da Standards Organization of Nigeria ta yi don in tabbatar da cewa imported electrical products suna rarrabe da kungiyoyin mulki, health, da environmental protection standards.

A lokacin da certification, product na ABB ta samu tests na biyu-biyu, ciki har da electrical performance, mechanical performance, safety performance, da kuma environmental adaptability. Dual-break series arc-quenching design, T-type piston pressure cylinder structure, da kuma PTFE-reinforced carbon fiber nozzles suna ƙara da scrutiny da verification mai yawa.

Misali, a electrical performance tests, voltage-sharing performance na dual-break system, arc-quenching ability na circuit breaker a lokacin da biyu-biyu fault currents, da kuma dielectric recovery characteristics suna rarrabe da kima ko suka ƙareta kungiyoyin Najeriya. A mechanical performance tests, strength da durability na T-type piston structure, da kuma reliability na mechanical operation na circuit breaker suna ƙara da recognition mai yawa.

Son samun SONCAP certification tana ƙara da high quality da reliability na 252kV dead tank SF6 circuit breaker arc-quenching chamber system na ABB, da kuma tana ƙara da guarantee mai yawa don application na ta a tattalin noma ta Najeriya.

Application in Nigeria's Power Grid

252kV dead tank SF6 circuit breaker tare da systemin arc-quenching chamber mai sabbin fassara tana samu application a wadanda key power transmission projects a Najeriya. A cikin waɗannan projects, circuit breakers suna ƙara da zuriyan mai yawa.

A lokacin da operation, dual-break series arc-quenching design tana ƙara da cutar da ke cikin short-circuit faults, tana ƙara da ƙara da cutar da ke cikin tattalin noma. T-type piston pressure cylinder structure tana ƙara da high-speed SF6 gas flow, wanda tana ƙara da circuit breakers zuwa ƙara da arc-quenching task a lokacin da yau. PTFE-reinforced carbon fiber nozzles tana ƙara da zuriyan mai yawa, kuma ba suka ƙara da erosion ko damage ba a lokacin da biyu-biyu operations.

Saboda tattaunawa da ya ƙara da waɗannan circuit breakers, tattaunawa da zuriyan na tattalin noma ta Najeriya tana ƙara da zuriyan mai yawa. Blackouts da ke cikin failures na circuit breaker tana ƙara, wanda tana ƙara da power supply mai yawa don production masu arziki da rayuwar yau da kullum a Najeriya. Amma, tsari mai tsabta da low maintenance requirements na circuit breakers tana ƙara da operation da maintenance costs na local power department, wanda tana da muhimmanci ga sustainable development na industry na noma ta Najeriya.

Kammalawa

Bayanin 252kV dead tank SF6 circuit breaker arc-quenching chamber system na ABB, tare da dual-break series arc-quenching, T-type piston pressure cylinder structure, da kuma PTFE-reinforced carbon fiber nozzles, tana ƙara da solution mai yawa don high-voltage power transmission na Najeriya. Samun SONCAP certification tana ƙara da cewa ta rarrabe da kungiyoyin mulki, da kuma successful application na ta a tattalin noma ta Najeriya tana ƙara da high reliability da zuriyan mai yawa. Wannan case tana ƙara da needs na tattalin noma ta Najeriya, kuma tana ƙara da experience da reference valuable don design da application na similar high-voltage circuit breakers a wasu wurare. A gaba, ABB zai ƙara da optimize da improve technology, don in ƙara da contribution mai yawa ga global power industry.