Kamfami da Yawan Kirkiya na Iyakokin Kirkiya/FCL (Fuskar Kirkiyar Yawan Kirkiya)
Abubuwa gaba
| 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 |
Bayani na sayen daga mai wuyaci
Gwọ́n Tóburú
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
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