| Brand | Switchgear parts |
| Numero sa Modelo | 40.5kV/1250A-31.5kA TRES POSISYON GIS VCB (Vacuum circuit breaker) |
| Naka nga boltahang rated | 40.5kV |
| Rated Current | 1250A |
| Rated na nga kusog sa pag-abli sa short circuit | 31.5kA |
| Serye | RNGIS-40.5 |
Ang 40.5kV vacuum circuit breaker (VCB) nga kini usa ka pagpadayon nga gipasabot para sa gas-insulated switchgear (GIS) systems, nag-integrate og three-position functionality (breaking, isolating, and grounding) aron mohatag ug mas simple nga high-voltage power control. Ini suporta og rated current nga 1250A ug breaking capacity nga 31.5kA, naghatag og reliable protection labi na kon may short circuits ug overcurrents sa medium-to-high voltage grids.
Adopting modular design, characterized by compact structure, good breaking performance, high reliability, long service life, complete isolation, maintenance free, small footprint, and can be widely used in industrial and civilian ring networks and terminal power supply networks. Especially suitable for small secondary distribution stations, switch stations, industrial and mining enterprises, airports, railways, highways, subways, commercial areas, residential areas, wind power, optoelectronics and other fields.
Pangungunehan sa paggamit
| Item | Parameter |
|---|---|
| Lugar sa Pagsulay | Sa loob ng Cabinet |
| Temperatura sa Paligid (°C) | -45~+140 |
| Altitude (m) | ≤2000 |
| Kapal ng Hangin (%) | Average kada adlaw dili mas daghan sa 95%, average kada bulan dili mas daghan sa 90% |
| Intensity sa Lindol | ≤8 Degree |
Tecnikal nga Espesipikasyon
| 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) |
Mga katangian mekanikal
| Numero sa Serye | Item sa Pagsusuri | Pangangailangan sa Teknolohiya |
|---|---|---|
| \multirow{4}{*}{1} | \multirow{4}{*}{Pagsusuri sa Pangunahing Switch ng Circuit Breaker} | Numero sa Chamber para sa Pagpapatigil ng Arc (Ipakita ang Manufacturer) |
| Layong Buka 18-22mm | ||
| Over Travel 3±1mm | ||
| Pwersa sa Kontak ≥3000N | ||
| \multirow{4}{*}{2} | \multirow{4}{*}{Pagsusuri sa Mekanikal na Katangian} | Asynchronism sa Tatlong Phase sa Buka ≤2ms |
| Asynchronism sa Tatlong Phase sa Sarado ≤2ms | ||
| Averahe na Bilis sa Buka 1.4-2.0m/s | ||
| Averahe na Bilis sa Sarado 1.0-1.8m/s | ||
| 3 | Loop ng Circuit Breaker | Resistensya sa Loop ≤45μΩ |