TAVRIDA ELECTRIC Rec15, Техническое руководство

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10
Main technical data and recloser technical parameters are presented in tables below.
Table 1
– Recloser technical parameters
Parameter OSM15_Al_1 OSM25_Al_1
Rated data
Rated maximum voltage (Ur) 15.5 kV 27 kV
Rated short-duration powerfrequency withstand voltage (Ud), 1 min dry 50 kV 60 kV
Rated short-duration powerfrequency withstand voltage, 10s wet 45 kV 50 kV
Rated lightning impulse withstand voltage (peak) (Up) 110 kV 125
1
/ 150
2
kV
Rated continuous current (Ir) 630 A 630 A
Rated cable-charging current switching 10 A 25 A
Rated line-charging current switching 2 A 5 A
Rated short-circuit breaking current (Isc) 16 kA 12.5 kA
Rated peak withstand current (Ip) 41.6 kA 32.5 kA
Rated short-time withstand current (Ik) 16 kA 12.5 kA
Rated duration of short circuit (tk) 4 s 4 s
Rated frequency (fr) 50/60 Hz 50/60 Hz
Switching performance
Mechanical life (CO-cycles) 30 000 30 000
Operating cycles, rated current (CO-cycles) 30 000 30 000
Electrical endurance, breaking current (O-CO cycles) See Figure 1 See Figure 1
Closing time, not more than 77 ms 77 ms
Opening time for overcurrent protection according to IEC 62271-111/C37.60, not
more than (at I>2xIp) 43 ms 43 ms
Clearing time for overcurrent protection according to IEC 62271-111/C37.60, not
more than (at I>2xIp) 51 ms 51 ms
Rated operating sequence O-0.1s-CO-2s-CO-2s-CO O-0.1s-CO-2s-CO-2s-CO
General information
Main circuit resistance
< 85 μOhm < 95 μOhm
Weight 68 kg 72 kg
Altitude
2000 m (derating according
to ANSI C37.60 applied
above 1000 m)
2000 m (derating
according to ANSI C37.60
applied above 1000 m)
Humidity 100%, condensing 100%, condensing
Solar Radiation
≤ 1.1 kW/m² ≤ 1.1 kW/m²
Temperature Range -
40 °C ... +55 °C
-
40 °C ... +55 °C
Type of driving mechanism
Monostable magnetic
actuator
Monostable magnetic
actuator
Pollution level
Very heavy (as per IEC
60815)
Very heavy (as per IEC
60815)
1 Across vacuum gap
2 Closed contacts