Wata Furfuri Da Duk'ar Su Daga FA To UFLS a Nau'o'i Na Kashi Da Kuma Yadda A Saka Su

Kawarwa na Zama (FA) da Kashiwar Tafin Gwiwa (UFLS) suna da muhimmanci a cikin hanyoyin ingantaccen kai da kontrola a cikin gasar tashin karami. Idan mafi girma suke don in ba da aiki mai amana da yawa, amma akwai matsalolin da ke sa a kan lissafi da lokaci domin ya kamata in ba da gudanarwa da kyau.

Kawarwa na Zama (FA): Yana nuna masu ilimin zama (kamar siffar zama, da zama da take) a cikin gasar tashin karami. Matarin yake shine in bincika da kuma karanta tsakonin da suka yi nasara, kuma in ba da karami zuwa wurare da ba suka yi nasara, tun daga kiyasin gasar tashin karami da yanayin fadada karami. FA yana nuna tasirin karami mai sarrafa a wurare.

Kashiwar Tafin Gwiwa (UFLS): Yana amsa idan tafin gwiwa ya haifar da gasar tashin karami (kamar idan abubuwan da suke yi nasara, tafin karami, ko kiyashe tsakanin gasar tashin karami). Yana kashiwar tafin karami mai basu a kadan-kadan don in iya so kuɗi wani nasarorin tafin gwiwa, in ba da karami mai amfani, da kuma in yawa tafin gwiwa. UFLS yana nuna tafin gwiwa mai sarrafa a cikin gasar tashin karami.

Kashiwar Tafin Dukkiyar Gwiwa (UVLS): Yana bincike tafin gwiwa a gasar tashin karami a lokacin. Idan tafin gwiwa ya haifar da wani adadin da aka bayar, yana kashiwar tafin karami mai basu a kadan-kadan, kuma in ba da karami mai amfani, da kuma in yawa tafin gwiwa.

Misaunuka Na Muhimmanci

• Misauna 1: A shekarar 2019, a Amurka, kawarwa na zama (FA) an yi aikin karami ne, kuma har yanzu an yi nasara tafin gwiwa na biyu.

• Misauna 2: A shekarar 2020, a Gabashin Masarautar China, kawarwa na zama (FA) an yi aikin karami ne, kuma har yanzu an yi nasara kashiwar tafin gwiwa (UFLS).

• Misauna 3: A shekarar 2021, kiyashe tsakanin gasar tashin karami na al'adu an yi nasara, kuma har yanzu an yi nasara kashiwar tafin gwiwa (UFLS) da kawarwa na zama (FA).

• Misauna 4: A shekarar 2022, a gabashin maso yamma na China, kawarwa na zama (FA) an yi kiyashe tsakanin gasar tashin karami, kuma har yanzu an yi nasara kashiwar tafin gwiwa (UFLS).

Bayanin Misauna

A shekarar 2022, 110kV Line A da Line B na gasar tashin karami na al'adu suna yi aiki a Bus Section I na 110kV substation. Akwai nasara a Line A wanda ya yi nasara Switch A. Amma, saboda Switch B na al'adu ya ci gaba, ana ba da karami zuwa substation. Saboda haka, tafin gwiwa a Bus Section I bai haifar da tafin dukkiyar gwiwa, kuma 110kV automatic transfer switch (ATS) bai yi aiki. Kuma al'adu ta ba da karami zuwa 10kV Buses I da IV, kuma tafin gwiwa masu bus suka ci gaba, kuma 10kV ATS bai yi aiki.

Saboda al'adu ta ci gaba ba da karami, tafin gwiwa ta haifar da tsaye. 5.3 seconds bayan Switch A ya yi nasara, tafin gwiwa ta haifar da 48.2 Hz. Al'adu na kashiwar tafin gwiwa da dukkiyar gwiwa, da aka bayar da 47 Hz da 0.5 s, bai yi aiki. Amma, UFLS relay na substation, da aka bayar da 48.25 Hz da 0.3 s, ya yi aiki, kuma ya kashiwar tafin karami mai basu (Lines C, D, E, F, G). Duk abubuwan da suke yi nasara suka yi aiki daidai.

Tattalin Misauna

Switch A na 110kV substation ya yi nasara daidai, kuma UFLS ya yi aiki, kuma ya kashiwar Lines C, D, E, F, da G. Switches na substation suka fi sanni, kuma FA ya yi aiki. An yi nasara a bayan switch na substation da kuma first line switch. FA ya yi aiki a duk lines, kuma ya yi nasara a bayan outlet na substation da kuma first switch. Amma, babu nasara a lokacin da ake bincika, kuma an tabbatar da cewa FA ya yi nasara batu.

Gyara

• Zaɓe gudanarwa da bayanai game da kashiwar tafin karami. Don lines da UFLS/UVLS protection, zaɓe gudanarwa da automatic load transfer functions.

• Yi gudanarwa da automatic load transfer blocking: a cikin fully automatic centralized FA schemes, idan an samu sanni game da kashiwar tafin karami, ya fi shiga in FA execution function ya yi nasara a line da aka samu sanni.