| Branda | ROCKWILL |
| Uimhir Módel | 252kV Ardchúlraíochta Ghearráin Ardionnach (GIS) |
| Voltáil réamhsraithe | 252kV |
| Cúr amach ar a dtugtar an-réiteach | 3150A |
| Sraith | ZF28 |
Product Overview:
ZF28-252 type GIS is composed of standard modules through flanged joint, which can meet the demand for substation optimization design through the flexible combination between modules. It saves space and conforms to technical requests.
This product can be applied to power system, power generation, rail transportation, petrochemical, metallurgy, mining, building materials and other large industrial consumer.
Features:
Speisial arc extinguish chamber design with spring operation mechanism.
The structure is tight and the minimum interval width can reach 1670mm.
Three phase encapsulated main bus-bar and 3- position disconnector and earthing switch.
Self- researched 3-position disconnector and earthing switch.
Completely self-research and development with high starting point and large investment.
Inspected to be qualified by KEMA.
High level of parameters, advanced structural design.
Insulation level is higher than IEC and GB standards.
Self-blast combined interrupter, 3- position disconnector and earthing switch, spring operating mechanism.
Double sealing ring structure.
Minimum area; Compact and standardized module design with minimum intervals width 1670mm.
It is applied to cold, humid, salt fog, coastal, high altitude areas.
Spring operating mechanism base.
Technical Parameters：
What are the basic principles of GIS operation ？
Under normal circumstances, the circuit breaker and disconnector of GIS equipment are mainly operated remotely, and the "remote/local" opening of the circuit breaker and disconnector is concerned about the "remote" position.
The grounding switch of GIS equipment can only be operated on the spot, and the knife will be opened "remote/local" and concerned about the "local" during operation.
In any case, only the program can be operated, and the "interlock release switch" on the control cabinet must be in the "interlocking" position, and the unlocking key is sealed together with the microcomputer anti-mistaken unlocking key, and is used according to the same regulations.
Prionsabal:
I réim eileachta, déantar aonadú beag éagsúil idir na próitóna agus na náidí i ngáis SF₆. Tá an struchtúr mólach SF₆ chomh stiúrthach go bhfuil sé deacair do náidí fágáil amach agus ionsaithe saor a dhéanamh, rud a d'fhéadfadh tóirtheacht eileachais ard a chruthú. Sa chuid uirlisí (GIS - Gas-Insulated Switchgear), éiríonn eileachas trí chórasú cruinn ar bhrú, glanach, agus réim eileachta an gháis SF₆. Seo a chinntíonn réim eileachta comhtháthach agus stiúrthach idir na codanna íochtach agus an bosca gcomhartha, agus idir na córais íochtacha éagsúla.
Ag brú oibre gnách, faightear fuinn ón réim eileachta ag na náidí saorga sa ghéas, ach níl an t-energach sin leor chun ionsaithe coiscthe a dhéanamh sna molacháin géise. Seo a chinntíonn go mbíonn na hairíonna eileachais ina luí.
Mar gheall ar an fheidhmiú insuláide, fheidhmiú ceimiceach agus stailchruthaithe SF6, tá na haiseanna seo ag eochairchórais GIS: achaí suíomh, cumas mór chun arc a dícheadú agus ionsaithiúlacht ard, ach tá an cumas insuláide SF6 go mór faoi thionchar ó chothromacht réimse deileachta, agus is éasca é bheith ag déanamh insuláide neamhrialta nuair atá spéaclaí nó míreanna coigríochta istigh sa GIS.
Cuirtear struchtúr lán-dúntha i bhfeidhm le haghaidh eochairchórais GIS, rud a sholáthraíonn na haiseanna seo: gan aon iarracht ón timpeallacht ar mhíreanna inmheánacha, ciorcal feithimh fhada, oibríocht feithimh íseal, imeartha deileachta íseal, agus mar sin de, agus tá fadhbanna cosúil lena n-áirítear obair forleathan athshocraithe amháin agus modhanna éagsúla tuairisciú, agus nuair a éireoidh brú ar an struchtúr dúnta agus a dhéanfaidh sé damáiste ón dtimpeallacht, beidh sé ag cur leis an bpriacal fadhbanna cosúil lena n-áirítear uisce ag teacht isteach agus scáthadh aer.
