Được sản xuất theo công nghệ hiện đại của TAVRIDA tuân thủ theo tiêu chuẩn ANSI/IEEE C37.60-2003 và IEC 62271-111
Thông số chính của recloser:
Operating Parameter | OSM15_Al_1(2) | SM25_Al_1(2) |
Class and Type | Outdoor, pole-mounted, combined (solid and air) insulation with arc extinguishing in vacuum | |
OSM tank construction | Aluminium alloy | |
Operating mechanism | Magnetic actuator | |
Current sensing | 6x Rogowski current sensors | |
Voltage sensing | 6x Capacitively coupled voltage sensors | |
OSM Dimension (LxWxH), mm | 744x644x649 | 744x720x730 |
OSM Weight, kg | 68 | 72 |
Bushing type | Silicon rubber with built-in terminals connectors | |
Distance between phases, mm | 237 | 274 |
Distance between Phase and Earth, mm | 212 | 297 |
Creepage distance,mm | 497 | 868 |
Degree of protection | IP65 | |
Expected life time, years | 30 | |
Ambient temperatures, °C | – 40° to +55° | |
Solar radiation | ≤ 1.1kW/m | |
Humidity | 0 – 100% | |
Altitude, m | 3000 | |
Pollution | very heavy (as per IEC 60815) | |
Rated maximum voltage, kV | 15.5 | 27 |
Rated continuous current, A | 630 | |
Rated power frequency, Hz | 50/60 | |
Rated power-frequency test voltage: | ||
Main circuits, kV, 1 min, dry | 50 | 60 |
Main circuits, kV, 1 min, dry | 2 | |
Rated power-frequency withstand voltage, kV, 10 s, wet | 45 | 50 |
Rated lightning impulse withstand voltage, kV | 110 | 125/150 |
Partial discharge decay level, kV, not less than (at 10 pC) | 13.2 | 17.2 |
Fault make capacity, peak, kA | 40 | 31.5 |
Fault break capacity, kA | 16 | 12.5 |
Rated short time current withstand kA | 16 (4s) | 12.5 (4s) |
Mechanical life, CO cycles, not less than | 30 000 | |
Interrupting life oOpening time, msperations, CO cycles, not less than: | ||
at rated current | 30000 | |
at breaking current | 200 | |
Closing time, ms | 50 | |
Opening time, ms | 25 | |
Clearing time, ms | 35 | |
Main contacts resistance, µΩ, not more than | 85 | 95 |