CS227380B1 - Substation for high voltage - Google Patents

Abstract

A high-voltage substation comprises two busbar systems or parts, connected to each other by means of a transverse or longitudinal busbar switch, each of which is connected to a power source and has n connections with switches with insufficient breaking capacity, an additional circuit, designed as a resistor connected to a communication element, connected by one terminal to one of the busbar systems or parts and by the second terminal to the other busbar system or part, an automatic advance division block, the input of which is connected to the current sensors of each of the connections, one of the outputs is connected to the commutation element of the additional circuit, a busbar relay protection block, the input of which is connected to the current sensors of the connections and the output to one of the inputs of the transverse or longitudinal busbar switch. The device can be used in the electric power industry, in particular in protecting high-voltage substations from faults at high current values that exceed the nominal capacity for disconnecting the switches.

Description

(54)

High voltage switchgear

The high-voltage substation comprises two busbar systems or parts, connected to each other by means of a transverse or longitudinal busbar switch, each of which is connected to the power supply and has n connections with switches with insufficient breaking capacity, an additional circuit, designed as a resistor connected to a communication element, connected by one terminal to one of the busbar systems or parts and by the second terminal to the other busbar system or part, an automatic advance division block, the input of which is connected to the current sensors of each of the connections, one of the reinforcements is connected to the commutation element of the additional circuit, a busbar relay protection block, the input of which is connected to the current sensors of the connections and the output to one of the inputs of the transverse or longitudinal busbar switch.

The device can be used in the power industry, especially in protecting high-voltage substations from faults at high current values that exceed the nominal capacity for disconnecting the circuit breakers.

227,380

CORRECTION of the description of the invention to the author's certificate No. 227 >80 Int.Cl? H 02 B 1/24

There is an error in the title in the description of the invention for patent certificate No. 227 380.

Correct: High voltage substation

OFFICE FOR INVENTIONS AND DISCOVERIES y

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3aTeM BOCcTaHaBJHíBaeMaH HCxoAHaa cxeMa BKJsoHeHiieM no GKFHajiy ot djioxa 10 ηβτομητηκη onepenazomero αθαθηηη KOMMyTannoHHoro θαθμθητη 9 AonoAHHTejrBHofi nenn.

OTKJHoHemie κοροτκοΓο 3aMHKaHHH Ha οηοτθμθ hah ceKiw niHH 2 (hjih 3) npoHCxoAHT b 9Tom cjiynae anajiormiHO paccMOTpeHHOMy BLnne, a πρη θτομ KOMMyTaiXHOHHHÉ θαθμθητ 9 αοποαΗϋΤΘΑΒΗΟΗ ΗθΠΕ Ηθ OTKJHOHaeT CH.

Ecjih npeACTOHT Bnepsne nocne pewoHTa hjih AAHTejn>Horo oTKJHoneHHH πα^τβ Ha oTKjnoneHHyio cncTewy hjm ceKmw aura 2 (hah 3) HanpHHeHne, to HysHo npe&Ae otkjhohutl KOMMyTaimOHHHH 9ΑΘΜΘΗΤ 9, 3aTeM BKJHOHHTL UIHHOCOeAHHHTeJIBHÍEK HJIH οβκφϊΟΗΗΕΐίί BHKasjnaTejiL I, h eojna: onpodOBaHne dyAeT HeycneiUHHM Η ΒΚΑΚΗΘΗΗΘ dyAeT Ha K.3., TO TOK K.3. CymeCTBeHHO OrpaHHHHBaeTCH pe3HCT0p0M 8 H THJXeCTB 9Τ0Γ0 peiKHMa AJK οηοτθμη hah cewH eehh 2 (hah 3) dyAeT μθηβπιθη, ηθμ πρκ niyHTTipOBaHHOM pe3HCT0pe 8 KOMMyTaiíHOHHHM 9ΑΘΜΘΗΗΗ 9.

HajDFiHe cbh3h οηοτθμ hjih ceKunfi hihh 2 h 3 nepe3 pe3HCTop 8 nocne οτκακηθηηη τηηθαογο aah BHKjnonaTejiH 7 k.3. cnocodcTByeT coxpaHemcD chhxpohhoh AHHaMHnecKOfi ycTOHHHBOCTH 9THX CHCTeM.

B pacnpeAejiHTejiBHKx ycTpoiícTBax, rne npeAnojiaraeTCH nOCAeAOBaTeABHOe ΒΚΑΚΗΘΗΗβ ΙΠΗΗΟΟΟΘΑΗΗΗΤβΑ&ΗΟΓΟ HJIH ΟΘΚΗ0ΟΗΗΟΓΟ BHKJnOHaTeJIH I H OdXOAHOBO ΒΗΚJHOHaTeAH, B03M0HH0

-7b KanecTBe KOMMyTanaoHHoro eaeMeHTa 9 ηοπολβ3οβητβ odxoshoh BUKJiioAaTej!B (par.3), TaK KaK:

- TH&ejítíe k.3. Ha otxoawíx sjíeMeHTax, Tpedyromae padoTu KOMMyTamíOHHoro eaeMeHTa 9, peana;

- npa κοροτκΗχ 3βμηκβηηηχ Ha cacTeMax a is οθκηηηχ πεη 2 a 3 BO3MOSHO osHOBpeMeHHoe oTKJooneHHe μηηοοοθαηηητθλβηογο hje οθκηηοηηογο BHKJnoAaTe jih I a KOMMyTaiEOHHoro 3JieweHTa (ajih HaaeuHOCTa), ho Torsa ójiok 12 peaeaHoa 3ainaTH πεη aeacTByeT a Ha BHKJDoaaTejiB I a Ha KOMMyTanaoH— hhh oaeMeHT 9;

- BpeMH, Β ΤΘΑΘΗΗβ ΚΟΤΟρΟΓΟ OdXOAHOH BHKJWAaTeJIB acnojn>3yeTCH no CBoeMy npaMOMy HasHaneHino, cocTaBaneT Maayio AOJno οτ measure BpeMeHa Hcnojn>3OBaHHH, and Hajiojseane peMOHTa Ha BpeMH THíKeaoro k.3. - MaaoBepoHTHa.

TaKHM odpa3OM, npesJíaraeMoe BHcoKOBOJiBTHoe pacnpesejETea&Hoe ycTpoftcTBO no3BOJineT yupocTaTB Η3ΒβοτΗΗθ ycTpoacTBa a MOseT óhtb peajE3OBaHo de3 3HaA2TejiBHHx KanaTaJiBHHX BJIOJKeHHŽ.

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BHCOKOBOXLTHoe pacnpexexaTexBHoe ycTpoxcTBO coxepwT ΟόΒβχΗΗΘΗΗΗβ Mesxy COÓOH ΙΠΗΗΟΟΟθχΗΗΗΤθΧΒΗΗΜ ΗΧΗ ΟΘΚΙΊΗΟΞhhm βηκχηηβτθχθμ I xBe cacTeMH axa ceanaa nn2H 2, aasxaa H3 KOTOpHX IIOXKWieHa K HCTOWLKy ΠΗΗΗΗΧ 4,5 Η ΗΜββΤ 71 npacoexaHSHHa 6 c BHKJisHaTexHMH 7 HexocTaTOHHoa QTKJimasmefl CnOCOÓHOCTH, XOnOXHHTeJILHyiO IíeHB, ΒΗΠΟΧΗΘΗΗΤΏ b bhxe coexHHHX Mesxy coóoa pe3acTopa 8 a KOMMyTanaoHHoro sxeweHTa 9 a noxKmoneHHyio oxhhm bleboxom k oxhoh H3 chctsm axa ceanaa maH 2, a xpyraM bhboxom - κ xpyroa cacTeMe axa οθκχηη ehh 2, όχοκ 10 aBTOMaTHKa onepesaioEnero xexshhh, Βχοχ κοτοροτο ποχκχκηβΗ κ xaTnanaM Toaa II aaswoΓΟ H3 npaCOeXHHeHHfí, ΟχΗΗ H3 BHXOXOB - K KOMMyTaiíHOHHOMy axeMeHTy 9 χοποχηητθχβηοιΊ nena, όχοκ 12 pexeaHofl 3ainaTH ιπηη, Βχοχ κοτοροτο ποχκχκπβΗ κ xaTHHKHM Toaa npacoexaneHHfl, BKXOX - K OXHOMy H3 ΕΗΗΟΟΟΘΧΗΗΗΤΘΧΒΗΟΓΟ ΗΧΗ ceKxaoHHoro BHKxiQHaTexa I.

yCTpOHCTBO MG&6T ÓHTB HCH0XB30BaH0 Β 3ΧβΚΤρ03ΗβρΤβthk®, β nacTHOcTH, npa 3amHTe bhcokoboxbthhx pacnpexexaτθχβκηχ ycTpoflcTB ot aoBpesxeHaa npa óoxbhiiix Toaax k.3. , moiuhoctb κοτορΗχ npeBHmaeT HOMHHaxLHyio mouíhoctl οτκχκπβhhh BHKxronaTexefl.

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3, xasnaa Z3 χοτορκχ noAXASzeHa κ zcToznzxy πζτβηζη 4,5 Z ΖΜΘβΤ TU ΠρΖΟΟβΑΖΗΘΗΖΖ 6 C BHXAKZaTeAHMZ 7 ΗβΑΟΟΤΗΤΟΖ— hoé OTKJimafficieS cnocodHOCTZ, AonojiHZTeALHyio zeni>, βηποαHeHHyio b βζαθ οοθαηηθηηηχ Mesny codoz pe3ZCTopa 8 z xomMyTanaoHHoro θαθμθητη 9 z noAXAiozeHHy® oahhm bhboaom k O£HOZ Z3 CHCTeM ZAZ ΟΘΚΙΙΖΗ ΠΙΖΞ 2 ZJIZ 3, ÓJIOK 10 aBTOMaTHxz onepesawro αβαθηζη, bxoa κοτοροΓο ποακαεζθη κ AaTzzΚ3Μ II Toxa xasAoro H3 ηρζοοθΑΗΗβΗζίί, oazh Z3 bhxoaob κ KOMMyTaqzoHHOMy ezeiweHTy 9 αοποληζτθζβηο2 penz, dzox 12 pejieznoS 3amzra ιπζη, bxoa κοτοροΓο ποαχαεζθη x AaTZZKaM Toxa npzcoeAHHeHZx, bhxoa - x OAHOMy Z3 bxoaob sizHOcoeAHHZTejiLHoro zjiz cexnzoHHoro BHXJimaTeJiH I, oTzzzanneecz ΤβΜ, ZTO ΑΡΪΓΟΖ BHPOA yKa3aHH0S AOnOAHZTeALHOĚ zenz ΠΟΑxjwzeH κ ApyroS οζοτβΜβ zaz cexzzz ahh 2.

2. PaczpsASAZTeABHoe ycTpoScTBO no n.I, OTAzzawecz τβΜ, zto yxa3aHHas αοποαξζτθαβηηη z e π l noAKAazena zapazAeALHO mzHocoeAZHZTejiBHOMy zjiz cexzzoHHOMy BHXAazaTSAK) I, a ee ρβ3ζοτορ 8 z xoMMyrazsoHHOz sAeweHT 9 coeAnΗβΗΗ ηοοαθαοβητθαβηο, npxzeM BTopoS bhxoa dAOxa ΙΟ ηβτο— mstzxz onepesaffiqero αβαθηζη noAXAmzen x ApyroMy BXOAy mzΗΟΟΟΘΑΗΗΖΤβΒΗΟΓΟ ZJIZ CeXZHOHHOrO BHKJWZaTeAH I.

3. PacnpeAeAHTeALHoe ycTpozcTBO no n.I, OTnzzawecs τβΜ, zto yxa3aHHas AonoAHZTeALHaa zeni zoAXAiozeHa noczeAOBaTeALHO C fflZHOCOeAHZZTejILHHM ZAZ CeXZZOHHHM BXABHaTe— ΑβΜ I, a ee ρβ3ζοτορ 8 z KOMMyTazzoHHZ θΑβΜβζτ 9 coeAHHe— hh zapameALHO.

4. PaczpeAeAZTeABHoe ycTpozcTBO no π.3, OTAZzanueecs τθΜ, zto Ha yzacTxe xoMMyTazHOHHoro SAeMeHTa 9 yxa3aHsofl AOnOZHZTeJILHOH ΖθΗΖ ΒΚΑΚΖβΗ OdXOAHOŽ ΒΗΧΑΚΖΒΤβAL·

Claims (4)

SUBJECT OF THE INVENTION 1. A high-voltage switchgear, comprising two busbar systems or components connected to each other by means of a transverse or longitudinal busbar switch, each connected to a power supply and having (n) a circuit breaker connection with insufficient breaking capacity, an additional circuit, designed as a resistor connected to a commutating element, connected by one terminal to one of the systems or busbar components, or an automatic advance block, whose input is connected to the current sensors of each connection and one of the outputs is connected to the commutating element of the auxiliary circuit the input of which is connected to the sensors of the connection current and the output of one of the inputs of the transverse or longitudinal busbar switch, characterized in that the second terminal of said supplementary circuit is connected to the second system or part of the busbars (3) or (2). Substation according to claim 1, characterized in that the auxiliary circuit is connected in parallel with the transverse or longitudinal busbar switch (1) and its resistor (8) and the commutating element (9) are connected in series, the second output of the advance splitting block ( 10) is connected to the second input of the transverse or longitudinal busbar switch. Substation according to claim 1, characterized in that the auxiliary circuit is connected in series with a transverse or longitudinal busbar switch (1) and its resistor (8) and the commutating element (9) are connected in parallel. Substation according to claim 3, characterized in that a bypass switch is connected to the commutating element (9) of the supplementary circuit. Recognized by the invention based on the results of expertise carried out by the State Committee for Inventions and Discoveries of the USSR, Moscow, SU