| Muhimmiya | RW Energy |
| Model NO. | 10kV Short-Circuit Current Limiter Ahafo 10kV Short-Circuit Current Limiter |
| Rated Voltage | 12kV |
| Raitidu kọ̀ọ̀kan | 630A |
| Rated Frequency | 50/60Hz |
| Siri | DDX |
Àwọn DDX1 Short-Circuit Current Limiter (tẹlẹ̀ jẹ́: Current Limiter) jẹ́ ipinlẹ̀ ẹ̀ka tó ní ìmọ̀ tó péye láti kọ́kọ́ àwọn ẹ̀ka tó ní ìpinnu. Ó lè kọ́kọ́ àwọn ẹ̀ka tó ní ìpinnu lọ́wọ́ 10ms nígbà tí ó bẹ̀rẹ̀ ìṣẹ̀lẹ̀ ẹ̀ka tó ní ìpinnu, gẹ́gẹ́ bí i ṣe ní alaye tó fẹ́ kọ́kọ́. Ó ní ìmọ̀ tó péye nínú fast cutting technology, high-voltage current limiting technology, electronic measurement and control technology, àti high-voltage insulation technology. Èyí ní ètò tó mọ́ pé ó lè kọ́kọ́ àwọn ẹ̀ka tó ní ìpinnu pẹ̀lú àwọn ẹ̀ka tó ní ìpinnu nínú àwọn ètò nípa generation, distribution, àti consumption, láti dá àwọn ohun tó jẹ́ nǹkan pàtàkì bí generators àti transformers kúrò nínú ìṣẹ̀lẹ̀ ẹ̀ka tó ní ìpinnu tó ní ìtàn. Ní àkókò kan, ó lè tún àwọn ọ̀nà tó wọ́pọ̀ nínú ètò distribution, láti mú kí a ṣe energy conservation àti reduction, ìdásílẹ̀ power quality, àti ìdàbábámú power supply.
Ètò àti Àwọn Aládàáni
Ìṣẹ́ tó péye láti kọ́kọ́ àwọn ẹ̀ka tó ní ìpinnu (large capacity): rated breaking short-circuit current 50kA~200kA.
Ìsẹ́ tó péye láti kọ́kọ́ àwọn ẹ̀ka tó ní ìpinnu (high speed): full breaking time less than 10ms.
Ní ìṣẹ̀lẹ̀ kọ́kọ́, ó ní ìṣẹ̀lẹ̀ tó péye nínú current limiting.
Ó ní ìṣẹ̀lẹ̀ tó péye nínú instantaneous value of current àti instantaneous value of current change rate.
Current sensor ní ètò tó péye nínú fast isolator, àti àwọn ọ̀nà tó sọ̀rọ̀ tó tóbi.
Electronic controller ní ètò tó péye nínú three phases through high temperature and strong interference tests láti dá àwọn ohun tó jẹ́ nǹkan pàtàkì bí reliability tó ní ìtàn.
Àwọn òní electrical
serial number |
Orúkọ Òní |
unit |
Technical parameters |
|
1 |
Rated voltage |
kV |
12 |
|
2 |
Rated current |
A |
630-6300 |
|
3 |
Rated expected short-circuit breaking current |
kA |
50-200 |
|
4 |
Current limit coefficient = cut-off current / expected short-circuit current peak |
% |
15~50 |
|
5 |
Insulation level |
Power frequency withstand pressure |
kV/1min |
42 |
Lightning impact withstand pressure |
kV |
75 |
||
Àwọn Ọ̀nà Tó Lè Lò Iṣẹ́
Bypass current limiting reactor (energy saving and consumption reduction, eliminating reactor reactive power, and improving power supply quality).
Parallel operation of segmented buses in large-capacity power distribution system (optimizing load distribution and reducing network impedance).
Short-circuit protection at generator outlet or low voltage side of transformer.
Short-circuit protection for power plant branch buses and plant high variations.