PERFORMANCE REPORT
      Type Test Certificates - Switchgear      
             
Cat Product Rating Test Details Test Location Rep No. Date
             
A Air Break Isolator 29KA rms for 1 sec 20.63 rms for 1 sec & CPRI Bangalore SC/92/99/A 30th Apr 1992
    & 50KA peak 50KA peak, Clause 3.3      
    11KV 630A of IS:9921 (Part 4) - 1985      
      Short time withstand current &      
      peak withstand current      
             
R Panel with Load break TKL 3/12, 11KV, 400A 26.3KA rms for 1 Sec & 80KA Peak CPRI Bangalore SC/92/99/C 1st May 1992
  switch 3 phase, 50Hz 31.5KA rms for 1 Sec & 80KA Peak      
      Clause 8.4 of IS:3427 - 1969      
      Short time current test on Main      
      Circuits      
             
A Load Break Switch TKL 3/12/630A 31.5KA rms for 1sec & 80KA peak CPRI Bangalore SC/89/76/D 3rd April 1989
    12KV 630A Three Poles 25.1KA rms for 1.7sec (Equivalent      
    50 Hz, 1 breaks per to 32.73KA for 1 sec ) & 80.64KA      
    Pole Peak IS:9920 (Part IV) - 1985      
      Short time withstand currrent &Peak      
      withstand current      
             
A Load Break Switch TKL-3 / 11KV / 1250A / Short Circuit Current Carrying CPRI Bangalore SC/92/154/B 22nd July 1992
    210 -D, 11KV, 1250A Capability      
      26.2kA rms for 3 sec & 65.5kA Peak      
      26.3kA rms for 3 sec & 66.7kA Peak      
      Clause 3.4 of IS:9920 (Part 4) - 1985      
             
A Load Break Switch TKL3/12/630A Rated peak withstand current & CPRI Bangalore SC/90/84 3rd Apr 1990
  Air Break 12KV 630A 50Hz rated short time withstand current      
      100 KA peak & 40 kA for 1 sec      
      101.76kA Peak & 28.75kA rms      
      for 2.2 Sec ( Equivalent to 42.64kA      
      rms for 1 sec)      
      IS:9920 (Part 4) - 1985      
             
A Load Break Switch 11kv Load Break Switch Short time withstand current & Peak CPRI Bangalore SC/93/174/B 3rd Aug 1993
  Air Break TKL3/12/1250/210-D withstand current      
    11KV 1250A Three Pole 40kA rms for 1 sec & 100kA Peak      
      Clause 3.3 of IS:9920 (Part IV)-1985      
             
A Off Load Isolator 33KV 630A Air Break Short time withstand current and CPRI Bangalore SC/92/154/A 22nd July 1992
    TKL-3/33KV/630A Peak withstand current      
      20kA rms for 1 sec & 50 kA Peak      
      Clause 3.3 of IS:9921 (Part 4)-1985      
             
A 33KV Off Load Isolator TKL3/33-630 Air Break Short time withstand current & Peak CPRI Bangalore SC/93/174/A 2nd Aug 1993
    3 Poles 50Hz withstand current      
      26kA rms for 1 sec & 65kA peak      
      Clause 3.3 of IS:9921 (Part IV)-1985      
             
A Load Break Switch 11KV 630A, Short Circuit Making Test CPRI Bhopal 92/STN-1/134 1st July 1992
    TKL3/12/630A-D Insulation Level - 35/75KV Pk      
      Rated Short Circuit Making Current      
      62.5kA Pk      
      Clause 3.3.14.7 of IS:9920 (Pt-4),1985      
             
A Load Break Switch 11kV 400A Test Duty 2 CPRI Bhopal 92/STN-1/52 2nd March 1992
    TKL3/12-400/150-D Rated short circuit making current      
      80kA pk      
      Rated short time current      
      a) Dynamic 80kA Peak      
      b) Thermal 31.5kA rms for 1 sec      
      Clause 3.3.14.2 of IS:9920(pt-4),1985      
             
             
A Load Break Switch 11kV 630A Load Break Impulse and Power Frequency Department of Ref - ABSM/ 14th Mar 1989
    Switch Drg No. ABSP Withstand test on 11kV 630A Load High Voltage CE/89/2601  
    -18 Break Switch Engineering dt. 27.02.89  
      Impulse test at 75kV and 85kV Peak Anna University    
      at STP and Power Frequency withstand      
      test at 35kV and 45kV at STP      
      IS:9920 (Part I to IV) 1985      
             
A Load Break Switch Isolator 11kV 630A Temperature rise test Dept of Electrical EEL/Switch/ 15th Mar 1989
    Load Break Switch Temp rise in Centigrade of Various Engineering 4/89  
    Panel Parts Anna University    
      Room Temp in C - 31      
      Relative humidity - 70      
      IS:9920 Part III as per table 4      
             
A Load Break Switch Air Break TKL3/12/630A Rated Peak Withstand current and CPRI Bangalore SC/89/13 23rd Jan 1989
    12KV 630 51KA Peak rated short time withstand current      
    20KA rms for 1 Sec 52.5KA peak and 20.2 KA rms for      
    50Hz 3Poles 1 sec      
      IS:9920 (Part 4 ) - 1985      
             
R Ring Main Units Metal enclosed Short time current test on Main CPRI Bangalore SC/95/114/B 22nd May 1995
    Switchgear & Control Circuit      
    gear Assembly 13.1kA rms for 3 sec & 33kA peak      
    12KV RMU Clause 4.6 & 4.7 of IS 3427-1969      
             
R Field Switch Panel 6.6kV Field Switch Panel Short time current test on Main CPRI Bangalore SC/95/114/A 22nd May 1995
    20kA rms for 1 sec & Circuit      
    50kA peak 20.32 kA rms for 1.06 sec &      
      53.85kA peak      
      Clause 4.6 & 4.7 of IS 3427-1969      
             
             
R Load Break Switch 7.2KV 400A Load Break Environmental Tests on Load Break Govt of India 66/E/PEPL/ 16th Sep 1993
  Panel Switch Panel (Outdoor Switch Ministry of Def P/22/93-94  
    Type) IP-55 As per IS:12063-1987 (Cat-2) (DGQA)    
      2 KVAC for one Minute Bangalore    
             
R Ring Main Unit 12KV 400A Ring Main IP X5 Test CPRI Bangalore 20/EATD/ 28th June 1985
    Unit (HV / LV Panel) 12KV 400A IS:2147-1962   IP-16/95-96  
      a) Insulation resistance test at      
      1000V D.C. - 18.4 Meg Ohms      
      b) Power Frequency High Voltage      
      test at 2.5KV AC for 1 Min - Withstood      
             
R Ring Main Unit 12KV 400A Ring Main IP X5 Test CPRI Bangalore 19/EATD/ 28th June 1995
    Unit (Without L.V. Panel) 12KV 400A IS:2147-1962   IP-16/95-96  
      a) Insulation resistance test at      
      1000V D.C. - 5000 Meg ohms      
      b) Power Frequency High Voltage      
      test at 2.5KV AC for 1 Min - Withstood      
             
ES Earth Switch 12kV Earth Switch (Acc Short time Current test CPRI Bhopal 94/STN-1/ 16th Aug 1994
    to Isolator) 44 kA rms for 1 sec with an initial   222-A  
    Designation & Type- peak of 110 kA      
    Air Break, Spring Assisted Clause 3.3 of IS:9921 (Pt-4),1985      
    Type EU        
             
ES Earth Switch 12kv Earth Switch (Acc to Short time Current Test CPRI Bhopal 94/STN-1/ 16th Aug 1994
    Isolator) 25ka rms for 3 sec with an initial   222-B  
    Designation & Type - peak of 62.5kA      
    Air Break, Spring Assisted Clause 3.3 of IS:9921 (Pt-4) 1985      
             
A Isolator 12kV / 17.5kV 630A 3 pole Temperature rise test CPRI Bangalore CC - 5393 1st July 1997
    TKL-3/12/24/95/630/210-D Resistance of the Main Circuit-Before      
      & After Temperature Rise Test      
      As per IEC 129 - 1984 & IS 9921      
      Part IV - 1985 / RA1992      
             
             
A Isolator Switch 12/17.5kV with Mounting Temperature rise test Anna University SEEE/LBS/ 5th Aug 1997
    Stand and Accessories IEC 129-1984 and Clause 6.102.3   1/97  
      IS -9921 (Part 4)-1985 Clause 3.5.3      
             
A Isolator 12KV/17.5kV 630A Three a) Lightning Impulse Voltage Withstand CPRI Bangalore No.43/1/97 13th June 1997
    Pole Indoor Type Test   -HV/6426/  
    TKL-3/12/24/95/630/210-D b) P.F Voltage withstand Test (Dry)   A.Bond  
      Test Voltage as per 17.5kV rating      
      IEC:129/84(A1)92, IS:9921(Part-II & IV)      
      /1982/1985 - RA-1992      
             
ES Earth Switch 12kV Short Circuit Making Capacity Test CPRI Bhopal 2000/STN-1 8th May 2000
      (Test duty - 5)   /107  
      Short Circuit Making Capacity-62.5kA      
      Peak at 12kV      
      As per IEC:60265-1, IEC:60129,1984      
      and IS:9920, Part-4,1985      
             
R Load Break Switch 33kV 630A three Phase Resistance Measurement of the Main CPRI Bangalore CC-5894 7th Oct 1998
  in Panel   Circuit      
      Temperature Rise Test      
      As per IS:9920(Part4)-1985/RA-1992      
             
A Isolator Changeover 33kV 2500A & 1250A Impulse Voltage Withstand Test Dept of High Lr.No.F:133 24th Sep 1996
  Box   Test Conducted at 170kV BIL and Voltage    
      195kV BIL Anna University    
      IEC:298, Clause 6.1.6, 1981      
             
R Load Break Switch 11kV 630A Impulse Voltage withstand Test Dept of High Lr.No.144/ 24th June 1994
  with Cubicle   Tested at 75kV BIL Voltage MSEB/7454  
        Anna University    
             
             
R Isolator Panel 11kV 630A Impulse Voltage Withstand Test Dept of High Lr.No.133/KK 6th Jan 2000
      Test Conducted at 80kV BIL Voltage /12-99  
        Anna University    
             
C Automatic Vacuum 11kV 200A 12.5kA rms Special electro mechanical endurance CPRI Bhopal 2002/STN-1 11th March 2002
  Capacitor Switch   test - 4000 close -open switching   /87  
      operations of 11kV 600kVAR Capcitor      
      Bank      
             
C Vacuum Capacitor 12kV 200A Mechanical Endurance Test CPRI Bangalore HPL/98/147 19th Aug 1998
  Switch 3 Poles, 6 kA rms for 1 sec IS:9920(Ppart4) 1985      
    & 15kA Peak        
             
ES Earthing Switch 12kV EU type 2 Short time and Peak withstand current CPRI Bangalore HPL/94/69 2nd Sep 1994
    Air Break Spring Assisted test IS 9921-Part4 (1985)      
      40kA rms for 1 sec and 110kA Peak      
             
ES Earthing Switch 12kV EU type 1 Short time and Peak withstand current CPRI Bangalore HPL/94/70 2nd Sep 1994
    Air Break Spring Assisted test IS 9921-Part4 (1985)      
      40kA rms for 1 sec and 110kA Peak      
             
ES Earthing Switch 12kV Indoor Type A Short circuit making capacity CPRI Bangalore HPL/96/05 11th Jan 1996
    Three Pole test IS 9920-Part4 (1985)      
      50kA Peak at 12kV      
             
A Isolator 12kV 630A 3 Pole Short time withstand current & Peak CPRI Bangalore SC97249A 12th June 1997
    Inter Pole Clearance 160mm withstand current Tests      
    TKL-3/12/24/95/630/210 26.3kA rms for 3 Sec and 67kA Peak      
      Clause 3.3 of IS:9921 (Part 4) : 1985 &      
      Clause 6.5 of IEC 129-1984      
             
             
A Load Break Switch 12kV 630A TKL3/12/630 Test duty -1 for Mainly active load CPRI Bhopal 2000/STN-1 11th Feb 2000
      current   /135  
      test I ( 5% of Mainly active Load      
      Current ie 32A at 12kV). 20 Break /      
      Make Operations      
      As per Clause 6.101.8.1 & 6.101.9 of      
      IEC:60265-1,1998      
             
A Load Break Switch 12kV 630A TKL3/12/630 Test duty -1 for Mainly active load CPRI Bhopal 2000/STN-1 14th Jan 2000
    Class E current at I Current (100% of Mainly   /11  
      active load Current ie 630A at 12kV)      
      As per Clause 6.101.8.1 & 6.101.9 of      
      IEC:60265-1,1998      
             
R Load Break Switch 33kV 630A 3 Pole Short time Withstand current and peak CPRI Bangalore SC98368A 6th OCT 1998
  with Panel Rated Insulation Vol 70/170kV withstand current tests      
      19.59* kA rms for 1.05 Sec &      
      53.74kA Peak      
      (Equivalent to 20.07kA rms for 1 sec      
      IS:9920 (Part 4)-1985 Sub Clause 3.4      
             
A Load Break Switch 12kV 630A TKL3/12/630 No Load Transformer Current CPRI Bhopal 2000/STN-1 14th Feb 2000
      Breaking Test (Test duty -3)   /36  
      12kV , 1A - tested      
      As per Clause 6.101.8.3 of IEC:      
      60265-1,1998      
             
C Load Break / Capacitor 12kV 200A 3poles Short Circuit Making Capacity CPRI Bangalore HPL/99 2nd Feb 1999
  Switch Insulation Level 28kVrms / 15kA Peak      
    75kV peak IS:9920 (Part 4)-1985      
             
C Vacuum Capacitor 12 kv 200A Pole Mounted Impulse Voltage Withstand Test Division of High Lr No.133/02 2nd Feb 1998
  Switch Type Conducted as per 3.1.6 at 75kV BIL Voltage Engg -98  
      IS:9920 (Part 4), 1985 Anna University    
             
             
C Automatic Vacuum 12kV 200A three Phase Short Circuit Current Carrying Capability CPRI Bangalore SC00152A 24th May 2000
  Capacitor Switch Rated short time withstand tested - 13.17kA rms for 1.03 sec &      
    current & Peak withstand 32.15kA Peak      
    current - 12.5kA rms for 1 sec IS:9920(Part 4)-1985 clause 3.4      
    & 31.25kA Peak        
             
C Vacuum Load Break / 12 kv 200A 3 Pole Single Capacitor Bank Breaking CPRI Bangalore HPL/98/46 13th Mar 1998
  Capacitor Switch Ins Level 75kV Peak/28kv rms Capacity Test Duties 4a,4b,4c,4d      
    Rated Short Time Current - IS:9920 (Part 1)- 1981      
    6kA rms for 1 sec & 15kA Peak        
             
C Vacuum Load Break / 11 kV 200 A IP - 55 Test CPRI Bangalore 277/EATD / 11th Mar 1998
  Capacitor Switch   Insulation resistance test at 1000 V   IP-133/97-98  
      DC to be conducted between all      
      terminals shorted and body, before &      
      after IP-5X and IP X5 tests      
      Power frequency high voltage test at      
      28 kV AC for 1 Min      
      IS:12063-1987      
             
C Control Unit for Vacuum Rating - 240V IP-55 Test CPRI Bangalore 280/EATD/ 12th Mar 1998
  Load break / Capacitor   Insulation resistance test at 500V   IP-135/97-98  
  Switch   DC to be conducted between all      
      terminals shorted and body, before &      
      after IP-5X and IP X5 tests      
      Power frequency high voltage test at      
      2 kV AC for 1 Min      
      IS:12063-1987      
             
A Isolator Change Over 36kV 1250 / 2500 A 25kA rms for 3 sec & 62.5 kA Peak CPRI Bangalore SC/96/ 31st July 1996
  Box TKL3 3 Phase Clause 3.3 of IEC : 298   279/A