RO129809A2 - Apparatus in metal housing () of medium voltage with vacuum commutation, with magnetic interlocking, meant for the primary distribution of electric energy - Google Patents
Apparatus in metal housing () of medium voltage with vacuum commutation, with magnetic interlocking, meant for the primary distribution of electric energy Download PDFInfo
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- RO129809A2 RO129809A2 ROA201300230A RO201300230A RO129809A2 RO 129809 A2 RO129809 A2 RO 129809A2 RO A201300230 A ROA201300230 A RO A201300230A RO 201300230 A RO201300230 A RO 201300230A RO 129809 A2 RO129809 A2 RO 129809A2
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- medium voltage
- cells
- permanent magnets
- electromagnets
- functions
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- 239000002184 metal Substances 0.000 title description 3
- 230000006870 function Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 7
- 230000003915 cell function Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Description
Aparataj in carcasa metalica (celule) de medie tensiune, cu comutație in vid, cu zavorare magnetica, destinat distribuției primare a energiei electriceMedium voltage metal housing (cells) with vacuum switching, with magnetic locking, intended for the primary distribution of electricity
Celulele de medie tensiune pentru distribuția primara a energiei elecrice sunt folosite in construcția stațiilor de distribuție in scopul asigurării funcțiilor necesare, închidere sau întrerupere, cuplare sau separare si legare sau deconectare de la pamant a circuitului de medie tensiune.Medium voltage cells for the primary distribution of electricity are used in the construction of distribution stations in order to ensure the necessary functions, closing or interrupting, coupling or separating and connecting or disconnecting from the ground the medium voltage circuit.
In prezent pentru realizarea funcțiilor celulei sunt folosite următoarele aparataje:Currently, the following devices are used to perform cell functions:
- Intreruptor cu comutație si izolație in vid sau hexaflorura de sulf pentru funcția de închidere sau întrerupere a curentului nominal de suprasarcina sau scurtcircuit;- Switch with vacuum switching and insulation or sulfur hexafluoride for the function of closing or interrupting the rated overload or short circuit current;
- Cărucior debrosabil pentru funcția de cuplare sau separare fata de circuitul primar de medie tensiune cu izolație si comutație in aer;- Detachable trolley for the function of coupling or separation from the primary medium voltage circuit with insulation and air switching;
- Separator de legare la pamant pentru funcția de legare sau deconectare de la pamant a circuitului primar de medie tensiune cu izolație si comutație in aer.- Grounding separator for the function of grounding or disconnecting from the ground the medium voltage primary circuit with insulation and air switching.
In cazul comenzilor de la distanta (telecomanda) a căruciorului debrosabil sau a separatorului de legare la pamant acestea sunt acționate cu ajutorul unor mecanisme motorizate.In the case of remote controls (remote control) of the detachable trolley or the earthing separator, they are operated by means of motorized mechanisms.
Dezavantajul acestor celule consta in faptul echipării lor cu aparataj avand anduranta mecanica scăzută (cărucior debrosabil, separator de legare la pamant) ce implica riscuri mari in realizarea comenzilor de la distanta si costuri economice substanțiale in vederea asigurării mentenantei acestora.The disadvantage of these cells is that they are equipped with equipment with low mechanical endurance (detachable trolley, earthing separator) which involves high risks in remote control and substantial economic costs to ensure their maintenance.
Datorita condițiilor climatice in continua schimbare (creșterea umidității si temperaturii, cat si formarii condensului), aparatajul de comutație si izolație in aer din echiparea celulelor de distribuție primara a energiei electrice, cedeaza ușor, existând riscul producerii unor avarii cu consecințe in nealimentarea cu energie electrica a consumatorilor.Due to the constantly changing climatic conditions (increasing humidity and temperature, as well as condensation formation), the switching and air insulation equipment in the equipment of primary electricity distribution cells, gives way easily, there is a risk of damage with consequences in non-power supply of consumers.
Avand in vedere informatizarea vieții sociale si economice ce impune o alimentare fara întrerupere cu energie electrica, înlocuirea in echiparea celulelor a aparatajului cu anduranta mecanica scăzută si cu izolație si comutație in aer devine necesara,avand in vedere existenta camerelor de stingere in vid la preturi competitive.Given the computerization of social and economic life that requires an uninterruptible power supply, the replacement in the equipment of cells of low mechanical endurance and insulation and air switching becomes necessary, given the existence of vacuum extinguishing chambers at competitive prices .
Problema pe care o rezolva soluția propusa este aceea ca pentru realizarea funcțiilor celulei, prin comanda locala sau de la distanta, folosesc in echiparea lor aparataj debrosabil, multifuncțional cu doua camere cu comutație in vid, acționat cu mecanism cu/efectroma cuThe problem solved by the proposed solution is that in order to perform the functions of the cell, by local or remote control, they use in their equipment detachable, multifunctional device with two chambers with vacuum switching, operated with mechanism with / effectroma with
c\- 2 Ο 1 3 - Ο Ο 2 3 Ο - 1 4 -03- 2013 magneți permanenti, cu zavorare magnetica, ce asigura funcțiile de închidere sau întrerupere a curentului (nominal de suprasarcina sau scurtcircuit), iar odata cu aceasta realizează si funcția de cuplare sau separare fata de barele generale si fata de cablurile de medie tensiune si un alt aparataj cu o camera cu comutație in vid, acționai cu mecanism cu electromagneti cu magneți permanenti, cu zavorare magnetica, pentru funcția de legare sau deconectere de la pamant a circuitului primar de medie tensiune (bare generale sau cabluri). Celulele de medie tensiune pentru distribuția primara a energiei electrice echipate cu aparataj cu comutație in vid pentru toate funcțiile celulei prezintă următoarele avantaje:c \ - 2 Ο 1 3 - Ο Ο 2 3 Ο - 1 4 -03- 2013 permanent magnets, with magnetic locking, which ensure the functions of closing or interrupting the current (nominal overload or short circuit), and with this it also realizes the function of coupling or separation from the general bars and from the medium voltage cables and another device with a vacuum switching chamber, operated with electromagnet mechanism with permanent magnets, with magnetic locking, for the function of connection or disconnection from the ground of the primary medium voltage circuit (general bars or cables). Medium voltage cells for primary power distribution equipped with vacuum switching devices for all cell functions have the following advantages:
- Anduranta mecanica si electrica superioara celulelor actuale cu costuri de mentenanta mult mai mici pe durata de viata si care asigura un risc minim in cazul comenzilor de la distanta;- Mechanical and electrical endurance superior to current cells with much lower maintenance costs during life and which ensures a minimum risk in the case of remote controls;
- Pasul si volumul celulei cu ~25% mai mic decât al celulelor actuale;- The pitch and volume of the cell by ~ 25% lower than the current cells;
- Reducerea consumului de energie pentru realizarea funcțiilor celulei;- Reducing energy consumption to achieve cell functions;
- Corespund funcționarii in condiții climatice severe conform CEI/TS62271-304/2008, avand izolația in vid pentru comutație si izolație compozita fata de masa;- Correspond to officials in severe climatic conditions according to CEI / TS62271-304 / 2008, having vacuum insulation for switching and composite insulation to ground;
- Aparatajul trifazat de echipare cu comutație in vid este realizat din trei faze separate evitând defectul de scurtcircuit intre faze;- The three-phase vacuum switching equipment is made of three separate phases avoiding the short-circuit defect between phases;
- Mecanismele de acționare ale aparatajului cu comutație in vid din echiparea celulelor sunt cu electromagneti cu magneți permanenti cu zavorare magnetica, comandate prin modul electronic local sau de la distanta;- The operating mechanisms of the vacuum switching apparatus in the cell equipment are with electromagnets with permanent magnets with magnetic locking, controlled by local or remote electronic mode;
- Se elimina operația de brosare sau debrosare a căruciorului pentru funcția de cuplare sau separare a circuitului de medie tensiune, aceasta operație ramanand numai pentru poziția de control sau pentru introducerea sau extragerea din celula a aparatajului.- The operation of broaching or unplugging the trolley for the function of coupling or separating the medium voltage circuit is eliminated, this operation remaining only for the control position or for inserting or removing the appliance from the cell.
Descrierea si modul de funcționare al celulelor echipate cu aparataj cu comutație in vid pentru distribuția primara a energiei electrice din fig. 1,2.Description and mode of operation of the cells equipped with vacuum switching apparatus for the primary distribution of electricity in fig. 1.2.
Fig. 1. Vedere laterala cu rupturi a celuleiFig. 1. Rear side view of the cell
Fig. 2. Schema electrica primara a celuleiFig. 2. The primary electrical diagram of the cell
Celula (1) de medie tensiune pentru distribuția primara a energiei electrice are trei compartimente de medie tensiune si anume:The medium voltage cell (1) for the primary distribution of electricity has three medium voltage compartments, namely:
- compartiment (2), bare (3) generale izolate;- compartment (2), insulated general bars (3);
^3.^ 3.
X^COnO'XX ^ COnO'X
2013-00230 1 < -03- 20132013-00230 1 <-03- 2013
- compartiment (4), aparataj (5) debrosabil,multifuncional,cu doua camere cu comutație in vid, acționat cu mecanism (6) cu electromagneti cu magneți permanenți, cu zavorare magnetica;- compartment (4), detachable apparatus (5), multifunctional, with two chambers with vacuum switching, driven by mechanism (6) with electromagnets with permanent magnets, with magnetic locking;
-compartiment (7) pentru cabluri (8) de medie tensiune, cat si un compartiment (9) de circuite secundare si care sunt complet separate unele fata de altele.- compartment (7) for medium voltage cables (8), as well as a compartment (9) for secondary circuits and which are completely separated from each other.
Operațiile de punere sub tensiune a celulei (1)Cell energizing operations (1)
Prin comanda locala sau de la distanta se deschide si se verifica poziția aparataj ului (10) cu comutație in vid, (acționat cu mecanism (11) cu electromagneti cu magneți permanenți cu zavorare magnetica), efectuând decuplarea de la pamant a cablurilor (8), de medie tensiune.By local or remote control, the position of the device (10) with vacuum switching is opened and checked (operated with a mechanism (11) with electromagnets with permanent magnets with magnetic locking), disconnecting the cables from the ground (8). , medium voltage.
Prin comanda locala sau de la distanta se închide si se verifica poziția închis a aparatajului (5) debrosabil, multifuntional cu doua camere cu comutație in vid, efectuând cuplarea acestuia cu barele (3) generale, susținute de izolatorii (12) suport.By closing the local or remote control, the closed position of the detachable, multifunctional device (5) with two vacuum-switched chambers (5) is closed and checked, making its connection with the general bars (3), supported by the support insulators (12).
Se verifica prezenta tensiunii pe cablurile (8) de medie tensiune.Check the presence of voltage on the medium voltage cables (8).
Operațiile de scoatere de sub tensiune a celulei(l)Cell de-energization operations (l)
Prin comanda locala sau de la distanta se deschide si se verifica poziția aparatajului (5) debrosabil, multifuncțional, cu doua camere, cu comutație in vid, apoi se verifica absenta tensiunii pe cablurile (8) de medie tensiune.By local or remote control, the position of the detachable, multifunctional, two-chamber, vacuum-switched (5) detachable device is opened and checked, then the absence of voltage on the medium voltage cables (8) is checked.
In cazul necesității legării la pamant a cablurilor (8) se închide prin comanda local sau de la distanta aparatajul (10) cu comutație in vid si se verifica poziția acestuia.If it is necessary to ground the cables (8), close the device (10) with vacuum switching by local or remote control and check its position.
Operațiile necesare pentru extragerea aparatajului (5) din celula (1)Operations required to remove the device (5) from the cell (1)
- se deschide prin comanda locala si se verifica poziția aparatajului (5);- open by local control and check the position of the device (5);
- se verifica absenta tensiunii pe cablurile (8) de medie tensiune;- check the absence of voltage on the medium voltage cables (8);
- se deschide usa (13) de acces in compartimentul (4) al aparatajului (5) si se debroseaza acesta pe verticala, pana in poziția de control. In aceasta poziție aparatajul (5) poate fi supus diferitelor teste necesare, după ce in prealabil orificiile de acces a broselor din izolatorii (12) suport au fost obturate cu panoul (14) metalic legat la pamant;- open the access door (13) in the compartment (4) of the appliance (5) and disconnect it vertically, up to the control position. In this position the apparatus (5) can be subjected to the various tests required, after previously the access holes of the pins in the support insulators (12) have been closed with the metal panel (14) grounded;
- se decuplează fisa cu circuitele secundare aferenta aparatajului (5) si aceasta se extrage din celula.- disconnect the plug with the secondary circuits related to the device (5) and it is extracted from the cell.
^-2013-00230-1 4 -03- 2013^ -2013-00230-1 4 -03- 2013
Operațiile de introducere a aparatajului (5) in celula (1) in poziția de lucru se realizează in ordine inversa si anume:The operations of inserting the apparatus (5) in the cell (1) in the working position are performed in reverse order, namely:
- se introduce aparatajul (5),deschis,in poziția de control din celula (1);- insert the appliance (5), open, in the control position in cell (1);
- se cuplează fisa de circuite secundare;- the secondary circuits plug is connected;
- se efectuează testele necesare asupra aparatajului (5);- the necessary tests are performed on the equipment (5);
- se deplasează panoul (14) legat la pamant pentru a permite accesul broselor in izolatorii (12) suport;- move the grounded panel (14) to allow access of the pins to the support insulators (12);
- se deplasează pe verticala aparatajul (5) in poziția de lucru si se blochează in aceasta poziție;- move the appliance (5) vertically in the working position and lock it in this position;
- se închide usa (13) de acces in celula (1) si se blochează in aceasta poziție,celula (1) fiind pregătită pentru punere sub tensiune.- close the access door (13) in cell (1) and lock it in this position, the cell (1) being ready for energization.
Operațiile necesare pentru acces in compartimentul (7) cablurilorOperations required for access to the cable compartment (7)
- se deschide prin comanda locala aparatajul (5), se verifica poziția acestuia si absenta tensiunii pe cablurile (8);- the appliance (5) is opened by local control, its position and the absence of voltage on the cables (8) are checked;
- se închide aparatajul (10) si se verifica poziția acestuia;- close the appliance (10) and check its position;
- se deschide panoul (15) de acces in compartimentul (7) al cablurilor.- the access panel (15) opens in the compartment (7) of the cables.
Pentru realizarea măsurătorilor si proiecției celulei (1), aceasta este prevăzută cu transformatoare (16) monofazate de curent de joasa tensiune montate pe cablurile (8) de medie tensiune si transformatoarele (17) de medie tensiune avand legaturile de racord ale fiecărei faze izolate.For the measurements and projection of the cell (1), it is provided with single-phase low-voltage current transformers (16) mounted on medium voltage cables (8) and medium voltage transformers (17) having the connection connections of each isolated phase.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA201300230A RO129809A2 (en) | 2013-03-14 | 2013-03-14 | Apparatus in metal housing () of medium voltage with vacuum commutation, with magnetic interlocking, meant for the primary distribution of electric energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA201300230A RO129809A2 (en) | 2013-03-14 | 2013-03-14 | Apparatus in metal housing () of medium voltage with vacuum commutation, with magnetic interlocking, meant for the primary distribution of electric energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO129809A2 true RO129809A2 (en) | 2014-09-30 |
Family
ID=51587940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ROA201300230A RO129809A2 (en) | 2013-03-14 | 2013-03-14 | Apparatus in metal housing () of medium voltage with vacuum commutation, with magnetic interlocking, meant for the primary distribution of electric energy |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO129809A2 (en) |
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2013
- 2013-03-14 RO ROA201300230A patent/RO129809A2/en unknown
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