Complete switchgears (KRU): hom, yam ntxwv, lub hom phiaj

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Kab lus no yuav muaj cov ntaub ntawv hais txog kev ua tiav switchgears. Lawv cov yam ntxwv, hom thiab lub hom phiaj yuav muab.

Scope of application

Ua tiav switchgears (KRU) yog cov khoom siv uas muaj cov keyboards, uas suav nrog:

• khoom siv rau kev pib thiab tswj cov khoom siv hluav taws xob;
• khoom siv nyab xeeb;
• ntsuas tam sim no;

Zoo li lwm yam ntxiv tau sib sau ua ke thiab npaj mus.

Lub hom phiaj tseem ceeb yog kom tau txais thiab xa hluav taws xob ntxiv hauv peb-theem tes hauj lwm nrog kev ua haujlwm zaus ntawm 50 Hz thiab qhov hluav taws xob ntau dua 1000 V.

Tag nrho switchgears (KRU) muab faib ua ob hom: sab nraum zoov thiab sab hauv tsev installation. Rau kev teeb tsa sab hauv tsev, lawv muab tso rau hauv cov tsev lossis sab hauv tsev. Cov khoom siv zoo li no tau sib sau ua ke nrog lub tshuab busbar. Thaum siv rau kev khiav hauj lwm voltages saum 35 kV, cua rwb thaiv tsev yog siv; nyob rau hauv tes hauj lwm ntawm voltage 110 kV, SF6 yog siv raws li rwb thaiv tsev.

HowRaws li txoj cai, niaj hnub switchgear siv high-voltage lub tshuab nqus tsev Circuit Court breakers raws li kev tiv thaiv thiab kev hloov khoom siv, tab sis muaj ntau dua kev teeb tsa nyob rau hauv uas cov roj Circuit Court breakers raug ntsia.

KRU RN 6 cov khoom xa tawm yog tsim rau kev teeb tsa sab nraum zoov thiab muab faib ua ob hom raws li kev ua tiav: dov tawm, uas txhua qhov chaw thiab cov rooj sib txoos tau tsau rau ntawm daim thaiv tshwj xeeb, thiab nyob ruaj ruaj, qhov twg txhua qhov chaw thiab cov rooj sib txoos yog ntsia tau rau lub neej ua haujlwm ntev.

External installation

Ua tiav switchgears rau kev teeb tsa sab nraum zoov yuav tsum tau npaj rau kev teeb tsa, yog li lub hauv paus tau muab tso ua ntej. Cov hlwb raug tsiv mus ntim ua ntej txhua yam khoom siv raug teeb tsa. Tom qab ntawd, cov trolleys yog unpacked thiab dov tawm ntawm rooj plaub, nyob rau hauv uas lub switching khoom yog ntsia. Txhim kho cov hlwb raws li kev npaj layout. Kev teeb tsa pib nrog qhov kawg. Tom qab ua kom paub tseeb tias lub txee raug teeb tsa kom raug, nruab ib qho tom ntej. Qhov tseem ceeb yog cov hlwb yuav tsum tsis txhob nyob ntawm ib sab.

Thiab rau kev teeb tsa ntawm cov kab nyiaj siv ua haujlwm ntawm lub ru tsev, cov hlua khi tau teeb tsa. Nws tseem yog ib qho tsim nyog rau nruab lub teeb pom kev hauv zos ze ntawm txhua lub xov tooj. High-voltage cable kab yog tsau rau lub switchgear terminals nyob rau hauv lub rear qhov rooj ntawm lub txee nrog kev pab los ntawm terminations. Tom qab ntawd, ua kom tiav sab nraum zoov switchgears npaj rau kev ua haujlwm.

Tsim

ua tiavswitchgear (KRU) rau qhov hluav taws xob ntawm 6/10 kV yuav tsum xyuas kom meej qhov kev ua haujlwm ib txwm muaj ntawm tag nrho cov khoom nruab rau hauv nws. Switchgear outwardly zoo li loj steel hlwb, nyob rau hauv uas switching, tiv thaiv thiab auxiliary pab kiag li lawm yog mounted. Lub hau sab nraud ntawm lub xov tooj ntawm tes yog ua los ntawm cov ntawv hlau, qhov no yog ua los ntawm kev ua kom lub zog ntawm cov qauv thiab tiv thaiv luv luv tam sim no kev puas tsuaj rau lwm yam khoom siv nyob ze.

Cov khoom faib khoom KRU RN 6 tau nruab nrog cov cua sov tshwj xeeb hauv zos, ua tsaug rau cov cuab yeej ntsuas tam sim no ua haujlwm ib txwm nyob rau lub caij ntuj no.

Specifications thiab hloov peev xwm

Complete switchgear (KRU) 10 kV muaj cov ntaub ntawv nominal hauv qab no:

• network ua haujlwm voltage - 6, 10, 35, 110 kV;
• kev lag luam network ua haujlwm zaus - 50 Hz;
• ua haujlwm tam sim no - 630 A;
• txiav tawm tam sim no - 12, 5, 20, 25, 35, 40 kA;
• kev cais - huab cua;
• breaker type – nqus;
• hom transformer tam sim no - TOLK-6;
• hom fais fab transformer - ТМ-25;
• tsav hom - hluav taws xob.

Hloov kev ruaj ntseg ntawm lub switchgear yog txiav txim siab raws li qhov tsis muaj ntawm cov khoom siv uas tau tsim rau hauv cov cuab yeej ntawm cov keyboards nrog lub tsav teeb tsa ntawm nws. Lub switchgear, uas yog ntsia tau rau hauv lub switchgear, yuav tsum ua hauj lwm ib txwm nyob rau hauv rated loads thiab tiv thaiv kev xeem cycles ntawm high tripping tam sim no, uas yog teem nyob rau hauv cov kev specifications ntawm lub sab hauv.khoom siv.

Retractable element thiab qib ntawm kev tiv thaiv

Lub caij tshem tau, uas cov cuab yeej hloov pauv tau nruab, tuaj yeem hloov pauv ob qho tib si manually thiab mechanically. Nyob rau tib lub sijhawm, xws li lub trolley yuav tsum hla txoj hauv kev ntawm qhov chaw, vim nws muaj qhov loj heev.

Txhua lub thawv hloov khoom siv yuav tsum yooj yim siv thiab tsim kom yooj yim installation, kho thiab hloov qhov chaw. Nyob rau hauv feem ntau switchgear txee, thaum lub zawv zawg trolley yog dov tawm ntawm lub cubicle mus rau hauv lub chaw ua hauj lwm, qhov qhib rau lub taag disconnecting hu ntawm lub ntsiab Circuit Court yog xauv nrog tshwj xeeb shutters.

Nyob ntawm hom kev thov, muaj ntau hom kev teeb tsa. Lub switchgear yuav tsum tau ua raws li cov kev cai ntawm hluav taws xob thiab mechanical zog ntawm cov qauv, rwb thaiv tsev thiab tsis kam mus rau nruj kev ua hauj lwm tej yam kev mob. KRU Chaw Nyob:

• U3 - tsim los ua haujlwm hauv chav nrog huab cua ncig;
• U4 - tsim rau cov chav uas muaj kev nyab xeeb huab cua.

Tus qauv tsim ntawm lub tshuab hloov pauv yuav tsum ua kom muaj kev ruaj ntseg tiv thaiv kev vibrations uas tshwm sim thaum lub sij hawm hloov thiab tawm ntawm high-voltage Circuit Court breakers, nrog rau thaum lub installation yog tsiv. Tib lub sijhawm, txhua yam khoom siv yuav tsum ua haujlwm kom raug, thiab kev tiv thaiv relay yuav tsum tsis txhob ua haujlwm thaum lub sijhawm ua haujlwm ntawm tus nqi nominal.

KRU tuaj yeem tsim rau cov huab cua sib txawv uas siv cov cua sov hauv zos lossis cua txias.

Kev ua haujlwm

Thaum lub sijhawm ua haujlwm ntawm lub tshuab hloov pauv, nws yog qhov yuav tsum tau teem sijhawm kev tshuaj xyuas thiab kev saib xyuas cov khoom siv nyob rau hauv lub cell, nrog rau kev daws teeb meem.

Cov khoom siv tau saib xyuas los ntawm cov kws kho hluav taws xob ntawm lub luag haujlwm lossis los ntawm cov neeg ua haujlwm uas ua haujlwm rau kev teeb tsa. Raws li cov kev cai niaj hnub kev nyab xeeb, ib tus neeg tsis raug tso cai ua haujlwm nrog cov khoom siv hluav taws xob, yog li, tsawg kawg yog ob tus neeg yuav tsum tau ua haujlwm nrog switchgear.

Cov neeg ua haujlwm kho qhov kev teeb tsa yuav tsum raug cob qhia thiab muaj pab pawg tshem tawm tsawg kawg yog IV, thiab tseem yuav tsum paub txog cov khoom siv nyob rau hauv lub switchgear thiab sawv cev rau kev ua hauj lwm ntawm ib qho chaw ntawm hluav taws xob mechanisms.

Kev teeb tsa nrog kev ua haujlwm voltage txog 35 kV

Lub BM-4 high voltage switchgear yog siv los xa hluav taws xob hauv peb-theem tam sim no tes hauj lwm nrog kev lag luam zaus ntawm 50 Hz thiab kev khiav hauj lwm voltage ntawm 35 kV.

KRU cell yog cov qauv sheathed nrog galvanized steel, cov nplooj ntawv uas txuas nrog vuam lossis riveting. High-voltage Circuit Court breakers, voltage transformers, switching khoom, ntsuas ntsuas thiab ib tug disconnector yog ntsia rau hauv.

KRU zoo li no yog tsim los rau ob txoj kev pabcuam. Thaum ntsia rau hauv cov qauv me me, qhov hloov pauv hloov nrog kev pabcuam ib-txoj kev yog tsim. Txhawm rau tswj hwm qhov kub thiab txias hauv cov hlwb muaj qhov muag tsis pom. Tsis tas li ntawd, txhawm rau txo qhov siab tshaj plaws uas yuav tshwm sim hauvNyob rau hauv cov ntaub ntawv ntawm kev ua hauj lwm xwm ceev hom los yog luv luv Circuit Court tam sim no, so li qub yog ntsia rau ntawm lub ru tsev ntawm tes.

K-63 hom khoom siv

KRU hom K-63 yog ua los ntawm cov ntaub ntawv hlau, rigidly tsau ntawm kev txhawb nqa, sab hauv uas yog tag nrho cov khoom siv tiv thaiv, hloov pauv thiab hloov pauv. Ua kom tiav switchgears ntawm KRU K-63 hom, zoo li lwm tus, yog tsim los rau kev sib kis thiab kev faib hluav taws xob tam sim no hauv peb-theem tes hauj lwm, nrog rau kev lag luam zaus ntawm 50 Hz thiab kev khiav hauj lwm voltage ntawm 6 kV.

KRU K-63 feature yog tias nws tuaj yeem siv los ua lub tshuab hloov pauv. Lub ntsiab hloov khoom siv ntawm K-63 yog niaj hnub high-voltage BB/TEL Circuit Court breakers siv electromechanical relays lossis microprocessor tiv thaiv.

K-63 hlwb yog tsim los rau kev teeb tsa sab hauv tsev, thiab lub tshuab hloov pauv tuaj yeem nyob sab nraum zoov. K-63 yog sib sau ua ke nrog ib lub busbar system, hluav taws xob uas yog muab los ntawm high-voltage input hlwb mus rau lub switchgear nyob rau ntawm lub ru tsev.

Ntaus hom K-594: qhov zoo

Ua tiav switchgear switchgears ntawm qib K-594, zoo li tag nrho cov kev teeb tsa saum toj no, yog siv hauv cov tes hauj lwm nrog qhov hluav taws xob ntawm 6-10 kV thiab kev khiav hauj lwm zaus ntawm 50 Hz.

Raws li txoj cai, KRU K-594 yog siv rau ntawm cov chaw hloov pauv, cov chaw tsim hluav taws xob, chaw ua liaj ua teb thiab kev tsheb ciav hlauthauj. Ua tiav switchgear KRU-594, tus nqi uas nyob ntawm tus neeg muag khoom thiab thaj tsam ntawm kev yuav khoom, yog qhov zoo tshaj plaws rau kev sib txuas cov tshuab hluav taws xob thiab lwm yam khoom siv hluav taws xob. Qhov zoo ntawm KRU yog:

• tag nrho cov tshuab hluav taws xob tau sib sau ua ke hauv ib lub xov tooj thiab ua tiav ntawm lub Hoobkas;
• KRU nce kev nyab xeeb ntawm kev teeb tsa nws tus kheej, nrog rau cov neeg ua haujlwm ua haujlwm;
• tag nrho cov ntsiab lus nyuaj tshaj plaws tau teeb tsa rau ntawm lub trolley tawm, uas txo qhov nyuaj ntawm cov khoom siv tu;
• KRU hlwb tsis loj, yog li lawv txuag tau qhov chaw hauv chav.

Ua tiav switchgears (KRU) ntawm K-594 series muaj cov yam ntxwv kev ua haujlwm uas tuaj yeem hloov pauv thaum muaj kev nce lossis txo qis hauv cov ntsuas nominal ntawm cov neeg siv khoom uas KRU yuav txuas nrog.

Zaj lus

KRU yog txoj hauv kev txhim khu kev qha rau cov neeg siv khoom sib txuas, vim nws muaj kev ntseeg siab thiab siv tau yooj yim, nrog rau kev yooj yim ntawm kev tu thiab kho. Lawv tau txais lawv lub koob npe nrov hauv lub ntiaj teb ua lag luam raws li cov khoom siv hluav taws xob sib kis tau zoo.