| Chapa | Switchgear parts |
| Namba ya Modeli | 40.5kV/1250A-31.5kA VIBAO KIFAA GIS VCB (Vacuum circuit breaker) |
| volts maalum | 40.5kV |
| Mkato wa viwango | 1250A |
| Kukutana kasi ya mwisho kwa current ya majanga | 31.5kA |
| Siri | RNGIS-40.5 |
Hii 40.5kV vacuum circuit breaker (VCB) ni wamesha kwa switchgear za GIS, inayofanikiwa kufanya kazi ya tatu (breaking, isolating, na grounding) ili kukusanya uwezo wa umiliki wa nguvu nyingi. Ina tofikiaji wa kiwango cha 1250A na uwezo wa kugawa wa 31.5kA, inasaidia kuhakikisha uhakika katika mikono ya kivuli na mafuta unaoongezeka katika mitandao ya kiwango cha chini hadi juu.
Kutumia mfumo wa moduli, imeelekea kubana na muundo wa kidogo, ufanisi mzuri wa kugawa, uhakika mkubwa, muda mrefu wa huduma, ukosefu kamili, usimamizi wazi, eneo ndogo la kifaa, na inaweza kutumiwa kwa wingi katika mitandao ya ring ya kiuchumi na maendeleo ya watu. Zaidi ya hilo, inawezekana kwa viwanda vya sekondari madogo, steshoni za kugawa, viwanda vya utambulisho, maeneo ya kimataifa, njia za treni, barabara, metro, maeneo ya biashara, maeneo ya kijiji, nguvu za upepo, teknolojia ya mwanga na maeneo mengine.
Mazingira ya matumizi
| Kitu | Parameteri |
|---|---|
| Sehemu ya Ukurugenzi | Ndani ya Kifuto |
| Joto la Mazingira (°C) | -45~+140 |
| Ukulu (m) | ≤2000 |
| Vigelegele vya Hawa (%) | Wastani wa siku hawezi kuwa zaidi ya 95%, wastani wa mwezi hawezi kuwa zaidi ya 90% |
| Nguvu ya Earthquake | ≤8 Daraja |
Vigezo vya Teknolojia
| Serial Number | Main Equipment and Technical Performance | Parameter and Requirement | |
|---|---|---|---|
| \multirow{22}{*}{1} | Circuit Breaker | 1 Set | |
| • Type | Fixed Vacuum Circuit Breaker | ||
| • Rated Voltage | 40.5kV | ||
| • Rated Current | 1250A | ||
| • Rated Frequency | 50Hz | ||
| • Lightning Impulse Withstand Voltage Peak (Break/Phase-to-Ground) | ≥215kV/185kV | ||
| • 1min Power Frequency Withstand Voltage (Break/Phase-to-Ground) | ≥118kV/95kV | ||
| • Rated Short-time Power Frequency Withstand Voltage of Auxiliary Circuit | 2kV, 50HZ 1min | ||
| • Rated Short-time Withstand Current | 20kA | ||
| • Rated Peak Withstand Current | 50kA | ||
| • Rated Short-circuit Breaking Current | 20kA | ||
| • Rated Short-circuit Making Current | 50kA | ||
| • Rated Short-circuit Duration | ≥4s | ||
| \multirow{4}{*}{• Operating Mechanism} | Type | Spring Operating Mechanism | |
| Operating Voltage | DC 24V/48V/110V/220V | ||
| Auxiliary Contacts | 6 Normally Open, 6 Normally Closed | ||
| Rated Operating Sequence | O-0.3s-CO-180s-CO | ||
| \multirow{2}{*}{• Mechanical Life} | Mechanical Life | 10000 Times | |
| • Electrical Life | Electrical Life | 10000 Times | |
| \multirow{4}{*}{• Mechanical Characteristics} | Closing and Opening Time | 35-70ms | |
| Closing and Opening Speed | 1.2-1.9mm/s | ||
| Contact Opening Distance | 18-22mm | ||
| Three-phase Closing and Opening Asynchronism | ≤3ms | ||
| 2 | Three-position Isolator | 1 Set | |
| • Type | Manual/Electric | ||
| \multirow{2}{*}{3} | • Auxiliary Contacts | 3 Normally Open, 3 Normally Closed | |
| • Mechanical Life | 2000 Times | ||
| • Electrical Life of Earthing Switch | 2000 Times | ||
| 4 | Cabinet Size | Not Larger than 600X1700 (Width X Depth) |
Sifa za kimekano
| Namba ya Mtandao | Kumbukumbu za Utambuzi | Mwimbo wa Teknolojia |
|---|---|---|
| \multirow{4}{*}{1} | \multirow{4}{*}{Utambuzi wa Mfungaji Mkuu wa Mzunguko} | Nambari ya Chumba cha Kuondokana na Magonjwa (Elezea Mtengenezaji) |
| Umbali wa Kufungua 18-22mm | ||
| Urefu wa Kufungua zaidi 3±1mm | ||
| Nyuzi ya Msingi ≥3000N | ||
| \multirow{4}{*}{2} | \multirow{4}{*}{Utambuzi wa Sifa ya Mekanikali} | Udanganyifu wa Tatu-mashuhuri wa Kufungua ≤2ms |
| Udanganyifu wa Tatu-mashuhuri wa Kufunga ≤2ms | ||
| Vikitiko vya Kufungua kwa Pamoja 1.4-2.0m/s | ||
| Vikitiko vya Kufunga kwa Pamoja 1.0-1.8m/s | ||
| 3 | Mzunguko wa Mfungaji | Ukubwa wa Mzunguko ≤45μΩ |