| Chapa | ROCKWILL |
| Namba ya Modeli | 10kV (Mfano wa Kutumia Mifumo Mingi ya Sanduku) Switchgear ya Kufunika na Uchafuzi wa Hewa kwa Kiwango Cha Sahihi / Ring Main Unit |
| volts maalum | 12kV |
| mfumo wa mafano | 50/60Hz |
| Siri | XGN |
Switchgear ya kivuli inayotumika kwa kutengeneza vifaa viwili au zaidi (Flexible Combination of Multiple Cabinet Types) Normal Pressure Sealed Air-Insulated Switchgear / Ring Main Unit ni mfumo wa uhamishaji wa umeme wa kiwango cha mrefu unaojengwa kwa uwezo wa kubadilisha masuala yasiyofanani. Inafanya kazi kwenye 10kV na na muktadha wa upimaji wa kiwango cha normal, inatumia hewa kama medium ya kupambana (kutokataa matumizi ya SF₆ gas) na ina magamba yenye utaratibu ambayo zinaweza kubadilishwa kwa urahisi. Hii switchgear inajumuisha uhamishaji, usalama, na mikakati za kudhibiti, ikifanya iwe ya muhimu kwa maeneo yanayohitaji majukumu yasiyofanani - kama vile eneo la kijishimo, mitandao ya miji, madaraka ya biashara, na nyumba za nishati mpya - ambapo kuwa na uwezo wa kubadilisha mapato na masuala ya nchi ni muhimu.
Jina |
Namba |
Thamani ya Parameter |
|
Rated Voltage (Ur) |
kV |
12 |
|
Rated Frequency (fr) |
Hz |
50 |
|
Rated Current (Ir) |
A |
630 |
|
Short - time Power Frequency Withstand Voltage (Ud) |
Between Fractures |
kV |
48 |
Between Phases |
kV |
42 |
|
Phase to Ground |
kV |
42 |
|
Lightning Impulse Withstand Voltage (Up) |
Between Fractures |
kV |
95 |
Between Phases |
kV |
75 |
|
Phase to Ground |
kV |
75 |
|
Rated Short - time Withstand Current (Ik) |
kA |
20/25 |
|
Rated Short - circuit Duration (tk) |
s |
4 |
|
Rated Peak Withstand Current (Ip) |
kA |
50/63 |
|
Rated Short - circuit Breaking Current (Isc) |
kA |
20/25 |
|
Rated Short - circuit Making Current (Ima)
|
Vacuum Interrupter |
kA |
50/63 |
Earthing Switch |
|||
Auxiliary Circuit and Control Circuit |
Rated Voltage (Ua) DC/AC |
V |
≤400 |
Power Frequency Withstand Voltage (1min) |
V |
2000 |
|
Mechanical Life
|
Circuit Breaker |
Times |
10000 |
Disconnecting Switch |
Times |
3000 |
|
Earthing Switch |
Times |
3000 |
|
Electrical Life |
Circuit Breaker |
Class |
E2 |
Earthing Switch |
Class |
E2 |
|
Protection Grade of Cabinet Enclosure |
IP4X |
||
Protection Grade of Sealed Box |
IP65 |
||
Maelezo ya Kazi ya Kibaisi