Qeexida alaabta
JN17-12/50 (nooca jir waa JN15-12/50) taxane gudaha danab sare earthing biiro waa design cusub iyo wax soo saarka la hagaajiyay ee naga mid ah sida ay nooca ESI ah, qaab-dhismeedka waa la soo ururiyey, ku haboon nidaamka korontada 3-10KV , Saddex-waji, AC 501601Hz, taageero leh noocyo kala duwan oo ah beddelashada HV iyo ilaalinta dhulka. Waxaa loo hoggaansamay GB1985-2004 iyo heerka IEC129.
Xaaladda shaqada
1. Heerkulka deegaanka:-10°Cmid+40°C
2. Allitude: 1000m Issensor heighi: 140mm)
3. Qoyaanka qaraabada: celceliska qoyaanka maalinta w 95% qoyaan qaraabo ah celceliska bisha w
4. Xoogga dhulgariirka: w 8degree
5. Darajada wasakhda: II
Inta badan xuduudaha farsamada
| Shayga | Unug | Xogta | |
| danab lagu qiimeeyay | KV | 12 | |
| La qiimeeyay waqti gaaban oo u adkeysanaya hadda (dejinta kulaylka) | THE | 50 | |
| Wareegga gaaban ee la qiimeeyay ayaa u adkeysanaya waqtiga | S | 4 | |
| Wareeg gaaban oo la qiimeeyay samaynta hadda | THE | 125 | |
| Heerarka ugu sarreeya ee u adkaysan kara hadda (xasilooni firfircoon) | THE | 125 | |
| Heerka dahaarka ee la qiimeeyay | Wakhtiga gaaban ee la qiimeeyay inta jeer ee tamarta u adkeysata danabka | KV | 42 |
| Dareenka hillaaca ee la qiimeeyay u adkaysta danab | 75 | ||
| Nolosha Mashiinnada | waqti | 2000 |
◎ JN17-12/50Earthing beddelka (ES-10/31.5) Tilmaamaha iyo cabbirka rakibidda
Saldhigga Copper
Jaantuska goobta godka
| Tilmaamid | IYO | F | G | H | D |
| JN17-12/5O-21O | 210 | 50 | 185 | 655 | 516 |
| JN17-12/50-220 | 220 | 50 | 185 | 675 | 536 |
| JN17-12/50-230 | 230 | 50 | 85 | 695 | 556 |
| JN17-12/50-250 | 250 | 50 | 185 | 735 | 596 |
| JN17-12/50-275 | 275 | 50 | 210 | 810 | 646 |
Dalbo notesdndicate sifaynta alaabta, masaafada dhexe ee u dhaxaysa tiirarka, haddii qalabka soo bandhiga korontadu uu ii baahan yahay iyo haddii kale Fadlan ogow dhererka isku xirka jilicsan marka aad dalbanayso (caadi L=250mm).
Fadlan nala tasho haddii aad hayso codsi gaar ah.
