Jagora zuwa Zig{0}}Masu Canjin Zag

 

Wannan jagorar tana ba da cikakken bayyani na masu taswirar zigzag{0}} na musamman-maƙasudin daidaitawar iskar da ake amfani da ita don ƙaddamar da ƙasa, rage jituwa, haɓaka ingancin wutar lantarki, da canjin wutar lantarki ac{2}}dc a cikin tsarin lantarki na zamani. Jagoran ya ƙunshi mahimman ƙa'idodin aiki, halayen fasaha, la'akari da ƙira, kwatanta tare da madaidaicin tsare-tsare na ƙasa, da cikakkun yanayin aikace-aikacen da suka haɗa da ƙasa tsaka tsaki na tsarin, sokewar jituwa, da haɗaɗɗen tsarin sauya wutar lantarki. Jagoran ya kuma haɗa da lauyoyi masu amfani don zaɓi, ƙima, kariya da bin ƙa'idodi masu dacewa kamar IEEE C57.105 da IEC 60076.

Na'urorin lantarki na zamani guda uku{0}} galibi suna aiki tare da na'urorin lantarki masu haɗin gwiwa, waɗanda ba su da tsaka-tsakin yanayi don dalilai na ƙasa. Fiye da yawa, tsarin tsari guda uku - - ko daga tsarin tsarin delta ko wasu tushe{5}} suna gabatar da ƙalubale masu mahimmanci na aiki, gami da rashin ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, haɗarin wuce gona da iri yayin layi-zuwa{7}}aibukan ƙasa, da matsaloli wajen gano kuskure da gano wuri. The zig{9}}zag transformer (wanda kuma aka sani da haɗin haɗin kai{10}}tauraro ko ƙasa) an ƙera shi don magance waɗannan ƙalubale.

A zigzag transfoma shine na musamman -manufa taswira tare da saitin iska inda kowane fitarwa shine jimlar vector na matakai biyu ana daidaitawa da digiri 120. Kowane babban gaɓoɓin maganadisu yana rarrabuwa zuwa ɓangarori biyu na iska da aka raunata a wasu wurare dabam dabam, kuma coils ɗin suna haɗe-haɗe ta kowane fanni daban-daban don ƙirƙirar tasirin sokewa ga madaidaitan igiyoyin ruwa yayin barin sifili{3} jerin igiyoyin ruwa su gudana cikin yardar kaina ta hanyar tsaka tsaki.

Yayin da ƙasa tsaka tsaki shine aikace-aikacen da ya fi shahara, zig{0}zag transformers sun rikiɗe zuwa wani dandali mai amfani da ayyuka da yawa: samar da ƙaramin{1}}hanyar rashin ƙarfi don ƙasa{2}magudanar ruwa, murkushe harmonics sau uku, daidaita ma'aunin wutar lantarki, da kuma yin aiki a matsayin maɓalli a cikin tsarin jujjuyawar ac{3}dc.

 

 

 

Ko da yake tsarin cikin gida na iya zama da rikitarwa, ainihin ƙa'idar aiki tana ƙarƙashin ƙa'idar Ampere{0}ma'auni na maganadisu a duk faɗin iskar da ke kan wannan cibiya ta nuna cewa halin yanzu da ke gudana a cikin iska ɗaya dole ne ya kasance tare da daidaitaccen halin yanzu a cikin sauran iskar a wannan gaɓar.

2.2 Binciken Tafiya na Yanzu Karkashin Sharuɗɗan Laifi

Don jin daɗin yadda ake kunna sifili - jerin igiyoyin ruwa, yi la'akari da layi{1}zuwa{2}}aibu akan sashe ɗaya na wani tsari mara tushe. Giciye -tsarin iska mai haɗe yana haifar da madaidaicin hanyar yaɗuwar yanzu. A halin yanzu yana gudana zuwa sama daga tsakar tsakar rana ta hanyar iska ta ƙasan lokaci A yana wucewa ta saman iska na lokaci C zuwa haɗin grid. Wannan yana haifar da daidaitaccen halin yanzu a cikin iska na ƙasa na lokaci C, wanda hakanan yana yaduwa zuwa grid ta hanyar lokaci B. Jerin yana ci gaba da haɗa dukkan matakai uku. Muhimmin abin lura shine cewa duk igiyoyin da ke saman iska, iskar ƙasa, da haɗin ƙasa suna cikin tsari tare da juna, ba tare da wata shakka ba ana gano su azaman sifili.

Jimlar waɗannan sifili - jerin igiyoyin ruwa a cikin dukkan matakai guda uku sun yi daidai da jimillar laifin yanzu. Ƙarƙashin daidaitattun yanayin aiki na yau da kullun, lokacin - ƙarfin wutar lantarki ya soke, kuma ƙaramar halin yanzu mai ban sha'awa kawai ke yawo. Sai kawai a ƙarƙashin yanayin rashin daidaituwa -kamar kurakuran ƙasa ko nauyi marasa daidaituwa{4}} sifili{5}} jerin igiyoyin za su iya gudana ta cikin na'urar lantarki.

2.3 Halayen Tasiri

A ƙarƙashin aiki na yau da kullun, na'urar wutar lantarki ta zig{0} zag tana ba da babban cikas ga madaidaitan igiyoyin ruwa masu inganci da mara kyau{2}, yana mai da shi ganuwa ga tsarin lantarki yayin daidaitaccen yanayi. Don sifili - jerin igiyoyin wuta, duk da haka, na'urar taranfoma tana ba da ƙarancin ƙarfi, gajeriyar gajeriyar hanya{5}}yana kewaya tsaka-tsaki zuwa ƙasa don magudanar ruwa.

Maɓallin maɓalli waɗanda ke sarrafa sifili{0} jerin abubuwan da ba su dace ba sun haɗa da ƙidayar jujjuyawar iska, jigon jigon jigo, ɗigogi tsakanin rabi biyu na kowane gaɓa, da abubuwan maganadisu na ainihin kayan. Ƙarfin ƙirar baƙin ƙarfe don iyakance kwararar sau uku{2}masu jituwa shine wata fa'ida ta musamman wacce ke bambanta tsarin zig{3}zag daga sauran tsare-tsaren ƙasa.

2.4 Mahimman Bukatun Shigarwa

Wani lokaci yana buɗe -yanayin kewayawa{1}}kamar fis mai hura ko sako-sako da haɗin gwiwa{2}}yana lalata haɗin kai na igiyoyin ruwa. Tare da katse lokaci guda ɗaya, sarkar yaɗawar yanzu da ake buƙata don sifili{4}} jerin gudana ta karye, kuma na'urar taswirar ƙasa ba zata iya gudanar da halin yanzu laifin ƙasa ba. Don haka, dole ne a haɗa tasfofi na ƙasa da ƙarfi zuwa ga ƙasa da grid ba tare da matsakaitan na'urori masu sauyawa na inji wanda zai iya katse ci gaba ba da gangan ba.

 

 

 

 

Biyu main irigrounding gidajen wutaana amfani da su a tsarin wutar lantarki: gidan wutar lantarki na zig{0}}zag (haɗe-haɗe{1}}tauraro)wye{0}}delta transformer. Zaɓin tsakanin su yana ɗaukar farashi mai mahimmanci, girma, da tasirin aiki.

3.1 Girma da Ƙimar Ƙarfi

Tsarin zig{0}}zag yana ba da ingantacciyar inganci fiye da daidaitawar wye{1}}delta. A cikin na'ura mai ba da wutar lantarki ta zig{3}, kowane iska yana ɗaukar ƙasa da layin - zuwa - ƙarfin lantarki na ƙasa{6}}- yana ba da damar ƙarancin ƙarfin ƙimar jimlar:. Sabanin haka, na'urar wuta ta wye{1}delta tana buƙatardon tsaka tsaki halin yanzu. Wannan babban bambance-bambance yana sanya zig{1} zag tafofi kusan ɗaya{2}}arami na uku a ƙimar kVA fiye da wye{3}}delta transformers don buƙatun tsaka tsaki na yanzu.

Masu kera suna bayar da rahoton cewa zig{0}zag transformers suna ba da ƙarancin farashi da ƙaramin sawun jiki fiye da wye{1}}delta transformers don ƙayyadaddun sifili iri ɗaya{2}, yana mai da su zaɓin da aka fi so a yawancin aikace-aikacen ƙasa.

3.2 Ayyuka masu jituwa

Wye{0}}Transfomason na delta suna zagayawa harmonics sau uku (3rd, 9th, 15th, da dai sauransu) a cikin iskar delta amma basa kawar da tsaka-tsakin igiyoyin ruwa da ke haifar da kaya marasa daidaituwa. Zig-masu tafofi na zag, akasin haka, suna sake zagayowar igiyoyin jituwa na uku daga tsaka tsakin baya zuwa bangaren lodi, yana rage jituwa a gefen na biyu. Wannan wata hanya ce ta daban daga delta{8}}wye transformers, inda nau'ikan jituwa sau uku kawai ke makale a cikin rufaffiyar madauki na delta.

3.3 Lokacin ƙididdigewa da aikin zafi

Dukansu nau'ikan suna aiki azaman gajerun na'urori na lokaci-, yawanci ana ƙididdige su na tsawon minti 10- na daƙiƙa 1- maimakon ci gaba da aiki. ANSI/IEEE Std. 32-1972 yana buƙatar ci gaba da ƙima na 3% don raka'a mai ƙima 10{14}} na biyu, ma'ana ƙimar ɗan gajeren lokaci yayi daidai da kusan sau 33 ci gaba da ƙima. Banki mai ƙima na minti 1 yana ɗaukar ƙimar ci gaba na yanzu na 7%. Wannan sifa mai aiki na tsaka-tsaki yana rage girman girma da farashin masana'anta dangane da ci gaba da taswirar aiki daidai gwargwado, kodayake kula da zafin rana yana da mahimmanci.

 

 

 

 

4.1 Sifili -Tsarin Ci gaba

Sifili -matsalolin da ake iya cewa shine mafi mahimmancin ma'auni don zanen zagayawa na zig{1}. Yana ƙayyade duka ƙasa{3}} girman kuskuren halin yanzu da ka'idojin wutar lantarki a ƙarƙashin yanayin rashin daidaituwa. Matsakaicin wutar lantarki shi kaɗai na iya iyakance halin yanzu zuwa matakan da ake so; A madadin haka, resistor na waje ko reactor da aka saka a cikin tsaka tsaki yana ba da ƙarin ƙarfin iyakancewa.

4.2 Haɓaka Leakage da A'a -Asar Load

Mafi mahimmancin sigogin ƙira guda biyu ba -asara ba ne (rashin ƙarfi da hasara na halin yanzu) da rashin ƙarfi. Ci gaban kwanan nan a hanyoyin nazari da ƙirar ƙira mai iyaka sun ba da damar ƙididdige ƙididdige ƙididdige inductance a cikin taswirar zigzag, wanda ke amfana da masu bincike da masu zanen taswira wajen inganta wannan nau'in. Matsalolin leka yana rinjayar halin taswira na halin yanzu{3}}iyakantawa yayin kurakurai da cikakken aikin sarrafa wutar lantarki.

4.3 Gajeren -Lokaci da Ci gaba da ƙima

Taswirar ƙasa suna aiki tare da gajeren lokaci{0}} da ci gaba da ƙima. Za'a iya yin amfani da da'ira mai ƙarancin ƙarancin nauyi ta hanyar wutan lantarki wanda aka ƙididdige shi ga ɗan gajeren kuskuren tsawon lokaci maimakon ci gaba da aiki. Ci gaba da kima na raka'a 10 - na biyu shine yawanci kashi 3% na gajeriyar ƙimar lokaci, yayin da na minti 1- shine kashi 7%. Misalai masu girma sun kwatanta wannan ƙa'ida: akan tsarin 12.47 kV wanda ke ba da 6000 A ƙasa{15}} ɓangarorin halin yanzu, taswirar zig-zag zai buƙaci ƙimar ɗan gajeren lokaci MVA 24.9. Wannan ƙima na ɗan lokaci ya yi daidai da ci gaba da ƙima na kusan 0.75 MVA, yana ba bankin damar sarrafa 180 A na tsaka tsaki na halin yanzu.

 

 

 

5.1 Kalubalen Kariya

Kare matsakaici{0}}cibiyoyin wutar lantarki tare da zig{1}}zag grounding transformers yana da ƙalubale. Naúrar banbancin taswirar na iya rasa hankali don gano kurakuran ƙasa na ciki a gefen delta saboda ƙaƙƙarfan zig{3}}zag na yanzu haɗe da tasirin ma'aunin wutar lantarki da kuma gudunmawar da ake iya bayarwa na yanzu daga masu ciyar da MV. Ƙuntataccen Laifin Duniya na iya haɓaka hankali, kodayake lokaci na waje -lokaci{6}} kurakuran ƙasa tare da jikewar tasfoma na yanzu suna buƙatar kulawa ta musamman.

Raka'o'in kwatancen kwatance na al'ada waɗanda ke kwatanta kusurwar tsakanin ƙasa da halin yanzu ba su dace ba. Madadin haka, an gabatar da na'urorin gano kuskure na waje waɗanda ke kula da raka'a daban-daban na transfoma a matsayin maye gurbin masu inganci. Don kariyar shugabanci na tsaka tsaki, raka'a na al'ada suna kwatanta ƙarfin lantarki na tsaka tsaki da kusurwoyin lokaci na yanzu suna kunna yanayin kuskuren gaba akan masu ciyar da lafiya ba daidai ba; raka'o'in jagora dangane da sifili{2}matsayin girman juzu'i yana ba da ingantaccen bayani.

5.2 Ma'auni masu dacewa

Zig{0}} ƙira, gwaji, da aikace-aikace ana sarrafa su ta hanyar ma'auni da yawa. IEEE C57.105 -2019 yana bayanin haɗin kai da kuma daidaitawa a cikin tsarin lantarki guda uku{4}, gami da duk haɗin delta da wye, ƙasa da ƙasa, T{5}} haɗaɗɗen, zigzag, da sauran hadi na musamman, wanda ke rufe duka biyu{6}} winding da auto-transformers. Sauran ma'auni masu dacewa sun haɗa da IEEE C57.32 don na'urori masu tsaka-tsakin ƙasa, IEC 60076-25 don masu tsayayyar ƙasa mai tsaka tsaki, da IS 2026/IS 5553 don gwaji da yarda da aiki.

Yana da mahimmanci a gane cewa IEEE C57.105 an rubuta shi ne don tsarin rarrabawa tare da firikwensin firikwensin har zuwa 34.5 kV, kodayake ka'idodinsa sun fi girma.

 

 

 

6.1 Tsare-tsare Tsamiya

Babban kuma mafi yaɗuwar aikace-aikacen zig{0}zag transformers shine ƙirƙirar tsaka-tsakin tsaka-tsaki don tsarin tsari guda uku-wasu lokaci{2}}musamman delta{3}}waɗanda aka haɗa da na biyun transfoma da injin janareta ko inverter bas. Wannan aikace-aikacen yana aiki da ayyuka masu mahimmanci masu yawa: rage yawan damuwa akan rufi yayin layi ɗaya {{5}zuwa{6}} kurakuran ƙasa, samar da ƙayyadaddun bayanin ƙasa don isar da kariya, da ba da damar ci gaba da aiki yayin yanayi mara daidaituwa.

A cikin tsarin samar da makamashi na hotovoltaic da rarraba wutar lantarki, masu juyawa na gargajiya sau da yawa ba su da ingantaccen haɗin kai, wanda ke haifar da rashin daidaituwar wutar lantarki da ƙasa mara inganci. Zig -Transfoman wuta na zag suna kafa tsayayye, ƙananan -hanyar hanawa zuwa ƙasa, tana daidaita tsarin ƙarƙashin sharuɗɗan kuskure. Don matsakaita{4}}cibiyoyin sadarwa masu ƙarfin juriya-ƙasasshen ƙasa, zigzag grounding transformer haɗe tare da tsaka-tsaki masu tsayayyar ƙasa suna ba da hankali ga gano kuskure ba tare da buƙatar tafiya nan take ba-tsari wanda ke ba da ƙaƙƙarfan kariya ga mahimman hanyoyin masana'antu.

 

Ayyukan masu taran wuta na Zig Zag:

Gidajen Iska

• Yana ba da tsaka-tsaki na wucin gadi don matsakaici{0}} tsarin tarin ƙarfin lantarki (misali, 35 kV) don ba da damar ƙasa
• Yana ba da ƙananan -hanyar hanawa don layi ɗaya{1}}zuwa{2}}alamomin ƙasa, iyakance yawan ƙarfin wuta
• Yana danne harmonics sau uku (3rd, 9th, da dai sauransu) daga injin injin injin iska
• Karami da haske fiye da Δ{0}Y masu saukar da tashoshi, manufa don iskar bakin teku

Solar (PV) Systems

• Yana kafa bayanin ƙasa don inverter AC gefen inda babu tsaka tsaki
• Yana rage ma'auni guda uku{0} da inverter{1}}
• Yana haɓaka ƙarancin ƙarfin lantarki-{1}} ta (LVRT), yana hana cire haɗin gwiwa
• Zai iya aiki azaman inductor mai haɗaka mai tacewa a cikin tsarin ajiya na PV +

Na'urorin haɗin kai masu sassauƙa a cikin hanyoyin sadarwa na rarrabawa na zamani sun nuna kyawon zig{0}zag transformer grounding a duka matsakaici{1}} da ƙarama{2}} ɓangarorin ƙarfin lantarki, wanda ya zarce babban matakin mayar da martani da madafan tsakiya a cikin cikakkiyar kwatancen aiki.

6.2 Ragewar masu jituwa

Zig{0}zag transformers suna taka muhimmiyar rawa wajen rage matsalolin tsaka-tsaki na halin yanzu wanda ba{1}} lodin layi ba. Uku -tsari na hudu-Tsarin rarraba wayoyi suna ƙara shan wahala daga yawan lodin madugu saboda yaɗuwar wutar lantarki ta yanayin sauyawa-mode power, m{6}}yawawan motsi, da sauran nau'ikan lantarki marasa linzamin kwamfuta. Matsakaicin matakin farko{9}}wanda aka haɗe na na'ura mai rarrabawa ta al'ada yana kawar da jituwa sau uku kawai a ƙarƙashin ingantattun yanayin kaya; lodi marasa daidaituwa har yanzu suna haifar da igiyoyin tsaka tsaki.

Zig{0}zag transformers suna magance wannan matsala ta hanyar samar da ƙaramin hanya{1}}ƙaƙƙarfan hanya don daidaita jituwa sau uku yayin da suke riƙe babban cikas ga mahimman igiyoyin ruwa. Haɗin kai bisa dabara{3}}zigzag tare da delta{4}}wye transformers na iya soke duka biyun na 5 da na 7, suna samun aikin tsarin bugun jini 12- yadda ya kamata. Don manyan tsare-tsare, ɗimbin ƙananan na'urorin wuta na zig-zag da aka sanya kusa da lodi suna kiyaye igiyoyin ruwa tsaka tsaki, suna kawar da buƙatar manyan madugu tsaka tsaki da haɓaka ma'aunin nauyi na yanzu.

6.3 Haɗin AC - Canjin Wuta na DC

Bayan ayyukan ingancin wutar lantarki na gargajiya, zig{0}}masu canza wuta na zag sun sami aikace-aikace a cikin tsarin jujjuya wutar lantarki na ac{1}dc wanda ke haɗa grid (ac) da maɓuɓɓugan wutar lantarki na hotovoltaic (dc). Za a iya amfani da na'urorin wutar lantarki na zig{3}}zag a matsayin haɗaɗɗen haɓaka inductances a cikin tsarin ac -dc ɗin da aka haɗa, rage ƙidayar abubuwa da ƙarar tsarin gabaɗaya idan aka kwatanta da ƙira ta al'ada tare da inductor daban. Hanyoyi na al'ada tare da maganganun da suka dace na inductance na zubar da ruwa don iska tare da geometry rectangular suna tallafawa tsarin ƙira.

Manyan aikace-aikace sun haɗa da -matakin shunt zigzag sau biyu{1}}matsa ƙananan{2}}masu daidaitawa da yawa{3}masu gyara bugun jini, inda saitin wutar lantarki na zigzag ke goyan bayan gyaran wutar lantarki da haɓakar daidaitawa a cikin babban tsarin lantarki mai ƙarfi{4}.

6.4 Kayan Aikin gwaje-gwaje da Bincike

Wuraren bincike{0}ciki har da na'urori masu kara kuzari da tsarin rarraba wutar lantarki na gwaji{1} sun aiwatar da aikin wutar lantarki na zig{2}}zag a matsayin farashi{3}}masu amfani masu inganci don rage tsaka tsakin igiyoyin ruwa wanda ba- lodin lantarki ke haifarwa. Ƙananan farashi, sauƙi, sauƙi na shigarwa akan tsarin rarraba data kasance, da ikon kiyaye igiyoyin ruwa tsaka tsaki sun sa zig{6}} tasfofi na zag suna da kyau a cikin saitunan gwaji inda ingancin wutar lantarki yana tasiri kai tsaye a aunawa da aikin kayan aiki.

 

 

 

 

7.1 Ƙayyade ƙasa{1}}Abubuwan da ake bukata na yanzu

Mataki na farko na girman zig -zag transformer shine tantance matakin da ake so{1}matakin halin yanzu. Dole ne injiniyoyin ƙira su yanke shawara ko za su dogara kawai da sifilin cikin gidan na'ura mai canzawa{3}}madaidaicin juzu'i don iyakancewa na yanzu ko don saka resistor na waje. Don manyan tsare-tsare na ƙasa-juriya, ƙarancin wutar lantarki yawanci ana iyakance su zuwa 5-10 A don matsakaicin tsarin wutar lantarki-. Ƙarƙashin tsarin juriya na iya ƙyale igiyoyin kuskure na 200 A ko fiye.

7.2 Ana ƙididdige ƙimar kVA

Don halin yanzu tsaka tsaki () da layin tsarin -zuwa - ƙarfin lantarki na ƙasa (), gajeren -lokacin kVA don zig{1}}zag transformer shine:

Dole ne kuma a ƙayyade ƙimar ci gaba. Na na'ura 10{3}} na biyu, ci gaba da kima yana daidai da 3% na ƙimar ɗan gajeren lokaci, yayin da na'urar minti 1 tana buƙatar 7%.

7.3 Tunanin Aikace-aikacen

Ba kamar na'urorin wutar lantarki na al'ada ba, na'urori masu aiki na wucin gadi{0}. Ƙarfinsu na jure manyan magudanar ruwa na ɗan gajeren lokaci yana ba da damar rage ƙimar farashi mai mahimmanci idan aka kwatanta da daidaitattun ƙididdiga masu ci gaba - na'urar wuta. Koyaya, masu zanen kaya dole ne su tabbatar da cewa ƙarfin jurewar zafi ya yi daidai da lokacin sharewar na'urorin kariya na sama. Ana iya ƙididdige tasfofi na ƙasa don ƙaƙƙarfan ƙasa ko don amfani tare da tsayayyar ƙasa tsaka tsaki na waje{5}}ƙarshen yana ba da sassauci wajen sarrafa ƙasa{6}} girman kuskuren halin yanzu.

7.4 Shigarwa da Gudanarwa

Shigar da ingantaccen filin yana da mahimmanci don ingantaccen aiki. Ayyukan ƙaddamarwa ya kamata su haɗa da gwajin juriya, tabbatar da rabon iska, da tabbatarwa lokaci{2}. Dole ne a tabbatar da ingancin hanyar tsaka-tsaki daki-daki{4}}katsewar kowane lokaci dangane da grid na iya sa aikin ƙasa ya daina aiki. Gwajin ƙaddamarwa yakamata ya tabbatar da cewa taransfoma yana gabatar da ƙarancin sifili{6}}madaidaicin juzu'i yayin da yake riƙe mafi inganci{7}} da mara kyau{8}ƙirar rashin ƙarfi a ƙarƙashin yanayin aiki na yau da kullun.

Don aiki na 50 Hz ko 60 Hz, wuraren rufewa dole ne su gamsar da buƙatun muhalli don shigarwa na cikin gida ko waje, yawanci tare da rufewar Nau'in 3R na iska don amfanin waje.

 

 

 

8.1 Hannun Ci gaba na Mataki

Ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwan taswirar zig{0}zag shine dogaro da duk matakai uku da ake haɗa su. Rashin haɗin lokaci guda ɗaya zuwa grid yana karya haɗin kai na yau da kullun, yana kawar da ikon gudanar da kuskuren duniya. Wannan azancin yana buƙatar amintattun hanyoyin haɗin lokaci kuma yana jayayya akan saka na'urori masu sauyawa waɗanda zasu iya haifar da buɗaɗɗen yanayi ba da gangan ba.{3}}.

Ba kamar na'urori masu kariya ba, zig{0}}zag earthing transformers dole ne su ci gaba da aiki yayin da tushen wutar lantarki uku{1} ke aiki. Idan injin da ke ƙasa ya ɓace, layi ɗaya -zuwa{4}} Laifin ƙasa zai iya haifar da babban lokaci{5}}zuwa{6}}ƙara tsaka-tsaki akan matakan da ba su da tushe, kuma rashin daidaituwa na iya haifar da sauye-sauye na tsaka tsaki da wuce gona da iri.

8.2 Jikewa Karkashin allurar DC

A cikin tsarin wutar lantarki na zamani, allurar DC na yanzu {{0}ko daga grid{1}}waɗanda aka haɗa da inverter, rikice-rikice na geomagnetic, ko wasu hanyoyin{2} na iya haifar da saturation na transfour core. Jikewa yana rage tasirin taransfoma wajen samar da ƙaramin -hanyar ƙasa kuma yana iya haifar da zafi fiye da kima. Ana iya buƙatar taka tsantsan na musamman a ƙira ko ƙarin saka idanu don tsarin da ke da mahimman abun ciki na DC.

8.3 Rikicin Gane Laifi

Dole ne injiniyoyin kariya su gane cewa relays na al'ada na iya zama rashin isa ga ƙasa na ciki{0}gane kuskure tare da tasfofi na zig{1}zag. Tsare-tsaren kariya na musamman- gami da Ƙuntataccen Raka'a Laifin Duniya, na'urorin gano kuskure na waje, da girma{4}}asashen jagorori{5} ana iya buƙata don cikakken ɗaukar hoto.

 

 

 

Zig -Transfoman wuta na zag suna da mahimmancin abubuwan da za su iya taimaka wa tsarin lantarki na zamani guda uku{1}. Ta hanyar samar da ƙaramar hanya - don sifili - jerin igiyoyin ruwa yayin da suke gabatar da babban cikas ga abubuwa masu kyau{5}} da mara kyau{6}, suna cike gibin tsakanin tsarin delta/wye mara tushe da aminci da fa'idodin aiki na tsaka tsakin aiki.

Mabuɗin ɗaukar hoto sun haɗa da:

• Gina: Rabin rabi{0}}gila-tsalle{1} an haɗe tsakanin matakai akan cibiya guda uku-
• Ƙa'idar aiki: Ampere{0}}ma'auni yana ba da damar sifili{1}} jerin gudanawar yanzu yayin da ake soke madaidaitan igiyoyin ruwa
• Aikace-aikace na farko: Tsare-tsare na tsaka-tsaki don tsarin tsari guda uku - (delta{1}} tsarin ciyarwa ko janareta)
• Amfanin aiki: Mafi girman inganci da ƙarami fiye da wye{0}}delta grounding transformers
• Aikace-aikace na sakandare: Rage masu jituwa (musamman masu jituwa sau uku), daidaita nauyi, haɗaɗɗen ac{0}}dc
• Abubuwan ƙira: Girma dangane da gajeriyar ƙimar kuskure na tsawon lokaci (minti 10 ko 1), ƙarfin 3%-7%
• Bukatun kariya: Tsari na musamman da ake buƙata; Kariyar bambanci na al'ada na iya zama ƙasa
• Shigarwa mai mahimmanci: Ƙaƙƙarfan haɗin lokaci zuwa grid mai mahimmanci; babu na'urori masu sauyawa a cikin hanyar ƙasa

Zaɓin tsakanin zig{0}}zag da wye{1}}delta grounding transformer a ƙarshe ya dogara da ƙayyadaddun buƙatun tsarin: ƙayyadaddun ƙayyadaddun ƙayyadaddun buƙatu na yanzu, akwai kasafin kuɗi da sarari, buƙatun rage jituwa, da sha'awar samun ƙarfin taimako. Don mafi yawan aikace-aikacen ƙasa, mafi girman ingancin zig{3} zag transformer, ƙaramin sawun sawu, da ingantaccen aiki mai jituwa ya sa ya zama zaɓin da aka fi so don sabbin shigarwa.