| Muhimmiya | Rw Energy |
| Model NO. | Kamfami da Yawan Kirkiya na Iyakokin Kirkiya/FCL (Fuskar Kirkiyar Yawan Kirkiya) |
| Rated Voltage | 20kV |
| Raitidu kọ̀ọ̀kan | 1250A |
| Rated Frequency | 50/60Hz |
| Siri | DDXK |
Nkàsị́pụ́rụ́ ọnụ̀ghọ́ n'ime ụdị oke ìkíkí ágwà (35kV-220kV grids, industrial parks), FCL nọrọ na ọkà ≤10ms site na ọgbaghara ọgbagbá. Ọ kọtọ ihe dị ka ọgbaghara na ọtụtụ ọchịchị 15%-50% nke ọ pụtara mgbe ọ gụnyere ọkachamara, ọ na-enye ọgụgbọ generators/transformers. Nkàsị́pụ́rụ́ a na-enyere ọkà 630A-4000A, ọ na-enye AC/DC systems ma ọ na-agbakọ na switchgear maka ọdịmma ọrụ grid.
Ihe Mepụta
Interruption Nkà: Ọ na-enye ọkachamara na ọtụtụ ọchịchị n'ime onwe ugbua nke mbụ nke ọgbaghara ọgbagbá - mgbe ọ bụla ọ na-enye ọkà ọ chọrọ anya. Ụgbọ ọkachamara ni 2–5 ms, ọ bụ otu ọkà 10–20 site na circuit breakers ndị ọzọ.
Current-Limiting Interruption: Ọ na-enye ọkachamara na ọtụtụ ọchịchị 1 ms mgbe ọgbaghara ọgbagbá na-eme, na enwere ọkachamara ọtụtụ ọchịchị na ọ bụla ọ na-enye ọkà ọ chọrọ anya 15%–45% nke ọ pụtara.
High Interruption Capacity: Ọkà nke ọmụmaatụ ọkachamara ọtụtụ ọchịchị na-eweta na 63 kA ruo 200 kA, mgbe ọkà ọkachamara ọtụtụ ọchịchị nke circuit breakers ndị ọzọ na-enye ọkà ọ chọrọ anya 40.5 kA ruo 50 kA.
Built-in Rogowski Current Sensor: Ọ na-enye measurement ziri ezi, ọ na-eme n'ụzọ nkà, na ọ na-enye ọkà ọ chọrọ anya maka arrangement nke phase-separated ma ọ bụ integration nke switchgear cabinets.
High Reliability: Ọ bụ otu n'ime ihe mepụta nke ọkà ọ chọrọ anya ọ bụla ọ na-enye ọkà ọ chọrọ anya. Design na craftsmanship ọzọ na-enye ọkà ọ chọrọ anya, ọ bụ ọkà ọ chọrọ anya nke ọ na-akọwa na onye na-akọwa na onye na-enye ọkà ọ chọrọ anya.
Ihe Mepụta
No. |
Item |
Unit |
Technical Parameters |
|
1 |
Rated Current |
A |
630~6300 |
|
2 |
Rated Voltage |
kV |
7.2/12/20/40.5 |
|
3 |
Rated Frequency |
Hz |
50/60 |
|
4 |
Rated Prospective Short - Circuit Breaking Current |
kA |
63/80/120 |
|
5 |
Rated Insulation Level (Power Frequency / Lightning) |
7.2kV |
kV |
23/60 kV |
12kV |
42/75 kV |
|||
20kV |
50/125 kV |
|||
40.5kV |
95/185 kV |
|||
6 |
Breaking Time |
ms |
2~5ms |
|
7 |
Cut - off Current / Prospective Short - Circuit Current Peak Value |
% |
20~45 |
|
8 |
DC Resistance of Main Circuit |
μΩ |
＜40 |
|
9 |
Operating Current Setting Range |
kA |
6kA~60kA |
|
10 |
Rated Breaking Current of Fuse |
kA |
63/120 |
|
11 |
Rated Short - time Withstand Current of Main Circuit |
kA/s |
31.5/2 |
|
12 |
Rated Peak Withstand Current of Main Circuit |
kA |
80 |
|
Figure 4: Using DDXK1 as rapid short-circuit protection for generators and transformers
(a) Rapid short-circuit protection at the 10kV/35kV side outlet of transformers
(b) Rapid short-circuit protection at generator outlets
(c) Rapid short-circuit protection for power plant branch busbars
(d) Rapid short-circuit protection at grid-connected generator outlets
Yadda 40 mirko ohms (μ Ω), da kusa hanyar zama, ba tana iya haɗa da yin aiki na rayuwa ta cikin sassan.
Yadda karamin karamin kudurwa zai iya haɗa zuwa 20% zuwa 45% na ƙirƙira, wanda yake taimakawa da kadan hanyar daɗi da kula da karamin kudurwa masu abubuwa kamar fayafayoyi da kabiluka.
Ana ƙarkashin karamin 7.2kV, 12kV, 20kV, da 40.5kV, yana iya amfani a cikin hanyoyin karamin sauran ɗaya daga 35kV zuwa 220kV da tattalin arzikin masu karatu na gaba-gaba.
