Ngwa nchekwa nchekwa nkeonwe n'elu nchekwa ala ụwa
Ntinye ngwaahịa
Nchekwa ụwa waya kwesịrị ekwesị maka nnyefe ahịrị, ike osisi na substation akụrụngwa, obere sekit grounding maka ike mkpọpu mmezi.
The zuru set nke nche ụwa waya mejupụtara a gwara mmanụ na-arụ ọrụ mkpara na conductive clip, grounding mgbanwe ọla kọpa waya na transperent n'ọbọ, grounding pin ma ọ bụ grounding clip.
A na-ekewa njigide ihe na-eme ka ọ bụrụ: okpukpu abụọ nke mmiri na-eduzi mmiri na ihe mgbochi okirikiri nke a na-eji na-amachi onye na-eduzi ya, na ihe mgbochi dị larịị nke a na-eji machie bọsbar.
1.Wire clamper na aluminum alloy casting, elu ike, ezi conductivity.
2.The obere obere-circuit grounding waya juru n'ọnụ na kwaaji akpa na exported osisi igbe, nke dị mfe na-ebu na ibufe.
ihe kwesiri nlebara anya:
1. Buru ụzọ lelee ma akara ahụ dị ndụ wee gosi na enweghị ike.
2. Jikọọ ọnụ ala na-ebu ụzọ na mgbe ahụ onye nduzi.Usoro nke iwepu waya grounding kwesịrị ịtụgharị;
3. A ga-eji mkpuchi mkpuchi mkpuchi mee ihe maka ikpokọta na ikpokọta wires ala.Ahụ mmadụ agaghị emetụ wires n'ala ma ọ bụ waya akwụsị akwụsị iji gbochie ntugharị inductive.
Nka nka nka n'uwa waya
Klas voltaji | Ala dị nro ọla kọpa waya | Ogologo mkpanaka Ọrụ Ala (mm) | |||
(mm2) | (m) | ||||
Ihe mkpuchi | Ejidere | Ngụkọta ogologo | |||
10KV | 25 | 1*3+7~1.5*3+20 | 700 | 300 | 1000 |
35KV | 25 | 1.5*3+18 | 900 | 600 | 1500 |
68KV | 25 | 1.5*3+20 | 900 | 600 | 1500 |
110KV | 25,35 | 9*3 | 1300 | 700 | 2000 |
2*3+20 | |||||
220KV | 25,35 | 9*3 | 2100 | 900 | 3000 |
3*3+25 | |||||
330KV | 35,50 | 12*3 4*3+25 | 3000 | 1100 | 4100 |
500KV | 35,50 | 13*3~20*3 | 4600 | 1400 | 6000 |
220-500KV n'elu ala waya | 25 | 1*3+7~1.5*3+20 | 700 | 300 | 1000 |
Ngwá ọrụ ule nrụgide dị elu | 35,50 | 5*3-10*3 | 700 | 300 | 1000 |
Ọnụ ego nke waya ọla kọpa kwa mita
Mpaghara ngalaba (mm2) | 10 | 16 | 25 | 35 | 50 | 70 | 95 | 120 |
Dayameta waya (mm) | 4.2 | 5.7 | 7.5 | 8.78 | 11 | 12 | 16 | 17 |
Dayameta sheath (MΩ) | 7.3 | 7.8 | 9.6 | 11.2 | 12.6 | 16.5 | 21 | 22 |
Uru nguzogide(A) | 1.98 | 1.24 | 0.79 | 0.56 | 0.4 | 0.28 | 0.21 | 0.16 |
Nchekwa ugbu a | 90 | 100 | 123 | 150 | 210 | 238 | 300 | 300 |