Outdoor Type Vacuum Circuit Breakers Panel - 11kv 33kv Rated Continuous Current 2000a, 3 Pole Design, White Color, High Standard Surface Finish

11KV 33KV PCVCB OUTDOOR CHAPTER a II EREVA TRANSFORMERS AND SWITCHGEAR GHAZIABAD UP A. CIRCUIT BREAKERS only relevant voltage level to be filled Sl. Description Unit Guaranteed Particulars No. 132 kV 33 KV 1 Manufacturera s Name and Country CGL MAKE 2 Manufacturera s type designation 3 Applicable Technical Standards IEC : 62271-100-200 4 (a) Type of circuit breaker VACUUM CIRCUIT BREAKER (b) Type of tank (live/dead) NA (c) Altitude MSL 1000m (d) Mechanical endurance 2M 5 Rated frequency (Hz) 50Hz 6 Number of poles (Nos.) THREE (3) 7 Whether 3 pole or single pole unit 3 POLE 8 No. of breaks per pole 1/pole 9 Type a Outdoor OUTDOOR TYPE 10 Rated continuous current at design (Amp) 2000A temperature of 38 deg. C 11 Rated short circuit breaking current 40KA a) RMS value of AC component (kA) 40KA b) Percentage DC component (%) <50% c) Asymmetrical breaking current at highest (kA) 31.5KA system voltage d) Is it possible to increase the rupturing (Yes/No No capacity at a later date) 12 Short time current rating for 1 sec. (kA) 40KA 13 Rated operating duty cycle O-0.3sec-CO-3min-CO 14 Rated short circuit making current (kA 100KA peak) 15 First pole to clear factor 1.5 16 Rated characteristics for short time faults (kA 40 and rated breaking capacity peak) 17 Rated line charging breaking current with (kA) 40 temporary over voltage upto 1.4 p.u. 18 Rated out of phase breaking current and (kA, 100KA corresponding transient recovery voltage kV) 19 Rated small inductive breaking current with (Amp,AS PER IEC corresponding switching over voltage p.u) 20 Rated cable charging breaking current and (Amp, 0A corresponding over voltages recorded during p.u) Test 21 (a) Maximum period between first AS PER IEC contact and last contact in a pole (b) Maximum pole descrepancy 15 22 Rated (single) capacitor bank (Amp, 400A breaking current and corresponding p.u) over voltages recorded during test 23 Data on re-striking voltage for terminal faults a) Amplitude factor WITHIN 100% capacity LIMITH 60% capacity OF IEC 30% capacity 10% capacity b) Phase factor WITHIN 100% capacity LIMITH 60% capacity OF IEC 30% capacity 10% capacity c) Rate of rise of re-striking voltage WITHIN 100% capacity LIMITH 60% capacity OF IEC 30% capacity 10% capacity d) Transient recovery voltage WITHIN 100% capacity (kV LIMITH peak) 60% capacity (kV OF IEC peak) 30% capacity (kV peak) 10% capacity (kV peak) 24 a) Is circuit breaker re-strike free (Yes/No Yes under all conditions of operation.) b) Means adopted if any to check the N/A voltage rise 25 Max. arcing time under any duty (ms) 10 Ms condition with limiting conditions of voltage and pressure 26 Maximum total break time under any (ms) 60 Ms duty condition for any current up to rated breaking current with limiting conditions of voltage and pressure 27 Maximum closing time (ms) 100 Ms 28 Minimum opening time under any (ms) 50 Ms duty condition with limiting voltage and pressure 29 Maximum close open time under any (ms) 100 Ms condition with limiting voltage and pressure 30 Minimum re-closing time at rated (ms) 100 Ms interrupting capacity from instant of trip coil energisation 31 Minimum dead time for a) Three phase reclosing (ms) 0.3 SEC b) Single phase reclosing (ms) AS PER IEC