Testing duration and Lead time

Testing duration and Lead time

• CPRI Bangalore
  

  Sl.No	Name of the Equipment	Testing Duration	Laboratory Lead Time
  A	Distribution Transformers
  1.	Distribution Transformers as per IS 1180:2014	3 ½ days	1 week
  B	Current Transformers
  1.	Current Transformers as per IEC 61869/ IS 16227
  	a. Short Circuit test	3 days	1 week
  	b. Lightning Impulse / Power Frequency test	½ day	3 weeks
  	c. Temperature rise test	2 days	10 – 15 days
  	d. Cantilever Test (3 directions)	1 day	10 days
  	e. Partial Discharge test o upto 66kV o 132kV	3 days 3 days	1 week 3 weeks
  	f. Degree of Protection (IP) test	2 days	1 week
  C	Potential Transformers
  1.	Potential Transformers as per IEC 61869 / IS 16227
  	a. Short Circuit test (upto 33kV)	3 days	1 week
  	b. Lightning Impulse test	½ day	3 weeks
  	c. Cantilever Test (3 directions)	1 day	10 days
  D	MCCB
  1.	MCCB as per IEC 60947	20 days	1 week
  E	MCB
  1.	MCB as per IEC 60898	4 Months	1 week
  F	LV Assemblies
  1.	Distribution Panel Board/Feeder Pillar as per IEC 61439
  	a. Short Circuit and related tests	5 days	1 week
  	b. Temperature rise test	3 – 6 days	15 – 20 days
  	c. Degree of Protection (IP) test	2 days	1 week
  	d. Resistance to Corrosion Test (Severity A), Resistance to UV radiation	29 days	1 month
  G	Power Transformers
  1.	Power Transformers
  	a. Short Circuit test	3 days	1 week
  	b. Lightning Impulse test, Separate source Voltage Withstand Test (upto 100MVA, 220kV)	1 day	3 weeks
  H	Power Cables
  1.	Type test on 1.1kV PVC/XLPE Cables	25 – 30 days	1 week
  2.	Type test on 11 kV to 33 kV Cables	30 days	3 weeks
  3.	Type test on 66 kV to 220 kV Cable system	40 to 50 days after completion of installation of accessories	2 months
  I	Energymeters
  1.	Electro-mechanical meters (Type test)	45 days	1 week
  2.	Static Energymeters (Type test)	45 days
  3.	Prepayment Meters (Type test)	60 days
  4.	Smart Meters (Type test)	60 days
  5.	Protocol testing of IEDs	15 days
  6.	Calibration of Reference Standards	1 – 7 days (depends on no. of calibration points)	15 days
  J	LED / Solar Inverters
  1.	Inverter testing as per IS/ IEC 61683: 1999	7 days	1 week
  2.	Inverter testing as per IS 16169/ IEC 62116	14 days
  3.	Inverter testing as per IS 16221-1 &-2/ IEC 62109-1 & 2	45 days	1 month
  4.	LED/ Inverter testing as per IEC 60068-2 (1,2,14,30)	21 days	1 week
  5.	Inverter testing as per IS 13314: 1992	7 days
  6.	Inverter/ LED testing as per IS 14700-4-5/ IEC 61000-4-5	8 days
  7.	Inverter/ LED testing as per IS 14700-3-2/ IEC 61000-3-2	4 days
  8.	Inverter/ LED testing as per IS 14700-3-3/ IEC 61000-3-3	3 days
  9.	Pump controller/VFD/ inverter testing as per IS 17018	5 days
  10.	LED testing as per IS 16102-1 & 2	45-250 days
  11.	LED testing as per IS 16106/ LM 79-08	5 days
  12.	LED testing as per MNRE specification	28 days
  13.	Solar PV module testing as per IS 12762-1 / IEC 60904-1	7 days
  K	Insulators
  1.	Electrical tests on Porcelain disc insulators (three samples)	3 days	3 weeks
  	a. Lightning impulse withstand
  	b. Lightning impulse flashover
  	c. Power frequency withstand, flashover dry/wet
  	d. Temperature cycle
  	e. Mechanical failing load
  	f. Twenty four hours mechanical
  	g. Puncture
  	h. Porosity
  	i. Galvanizing test
  2.	Design test for Polymer Insulators (three samples)	8 days
  3.	Steep Front wave test on Porcelain Insulators (ten insulators)	2 days
  4.	Mechanical Tests	23 days	10 days
  	a. Cantilever test (3 directions)
  	b. Assembled Core Load test
  	c. Damage Limit proof test
  	d. Brittle fracture resistance test
  	e. Torsion test
  	f. Tensile/compression test
  L	Insulator Strings
  1.	132/220kV Strings	2 days	3 weeks
  	a. Lightning impulse withstand, flashover
  	b. Switching impulse withstand
  	c. Power frequency dry withstand/flashover
  	d. Power frequency wet withstand/flashover
  	e. Voltage distribution
  	f. R.I.V and Corona test
  2.	400kV Strings	2 days	3 weeks
  	a. Lightning impulse withstand, flashover
  	b. Switching impulse withstand
  	c. Power frequency dry withstand/flashover
  	d. Power frequency wet withstand/flashover
  	e. Voltage distribution
  	f. R.I.V and Corona test
  3.	Mechanical Test		10 days
  	a. All types of Fatigue/Vibration test (upto Quad conductors)	10 days
  	b. All types of Fatigue/Vibration test (six bundle conductors and above)	>10 days
  ÂÂ	c. ‘ I ‘- String	Â	10 days
  	Single/Double (Composite)	1 day
  	Single/Double (Porcelain)	1 ½ days
  	d.‘ V ‘- String
  	Single/Double (Composite)	1 ½ days
  	Single/Double (Porcelain)	2 days
  	e. Tension String
  	Single/Double (Composite)	1 day
  	Quad (Composite)	2 days
  	Single/Double (Porcelain)	1 ½ days
  	Quad (Porcelain)	2 ½ days
  M	Overhead Conductors
  1.	400kV Strings	1 day	10 days
  2.	UTS/DCR Test	1 day
  3.	Stress Strain test	1 day
  4.	RIV and Corona Test	½ day	3 weeks
  N	Lightning Arresters
  1.	Electrical Test as per IEC 60099-4 Ed 3.0	50 days	3 weeks
  	a. Residual voltage test
  	b. Test to verify long term stability under continuous operating voltage
  	c. Test to verify the repetitive charge transfer rating, Qrs
  	d. Heat dissipation behavior of test sample
  2.	Electrical Test as per IEC 60099-4 Ed 2.2	51 days	3 weeks
  	a. Residual voltage test
  	b. Test to verify long term stability under continuous operating voltage
  	c. Test to verify the repetitive charge transfer rating, Qrs
  	d. Heat dissipation behavior of test sample
  3.	Low Current Short Circuit Test	½ day	1 week
  4.	Partial Discharge Test
  	a. Upto 132kV	2 days	1 week
  	b. Above 132kV	2 days	3 weeks
  5.	Mechanical Test	2 days	10 days
  	a. Mean Breaking load test (cantilever test only)
  	b. Specified short-term load test (cantilever test only)
  O	Hardware Items (Cable, Anchoring/Suspension clamps, Piercing Connectors)
  1.	Mechanical Test	1 day	10 days
  2.	Tensile Test / Compression / Bending Strength on metallic material / other hardware items tested on UTM	2 to 4 hours (depends on sample size)
  3.	Voltage test	1 day	3 weeks
  4.	Corrosion test	56 days
  5.	Climatic ageing test	44 days
  P	Transmission Line Towers
  1.	Prototype Tower Testing
  a)	S/C or D/C Towers [Including ground assembly & dis-assembly of towers]		3 months
  Â	Weight Up to 5t	4 days
  	Weight Between 5t-10t	5 days
  	Weight Between10t-15t	6 days
  	Weight Between 15t-20t	7 days
  	Weight Between 20t-25t	9 days
  	Weight More than 25t	1 day for every additional 4t
  b)	Multi circuit towers	Additional 1.5 to 2 days for respective Weight category
  c)	Test on Tower members Tensile Test	2 to 4 hours	3 days after Tower test
  Q	Capacitors
  1.	LT Power Capacitors
  a)	Self-healing type as per IS 13340/IEC 60831 – Routine, Type and Ageing test for 1500 hrs	80 days	2 weeks
  b)	Non Self-healing type as per IS 13585/IEC 60931 – Routine, Type and Ageing test for 1500 hrs	80 days
  2.	AC Motor Capacitors as per IS 2993/IEC 60252  - Routine, Type and Endurance test  for 1500 hrs	80 days
  3.	HT Shunt Power Capacitors as per IS 13925/IEC 60871 - Routine, Type and Endurance-Ageing test for 1000 hrs	70 days
  4.	HT Series Capacitors as per IS 9835/IEC 60143 - Routine, Type and Ageing test for 1000 hrs	70 days

• Switchgear Testing & Development Station, CPRI, Bhopal
  

  Sl.No	Name of the Equipment	Testing Duration	Laboratory Lead Time
  1.	Distribution Transformer - Up to 630kVA, 11 kV/ 0.433 kV (Station 2)	1 day	1 month
  	Distribution Transformer (STL)	2 days	3 weeks
  2.	Cable (Station 2)	1 day	1 month
  3.	LV Panels (Station 2)	2 days	1 month
  	LV Panels (STL)	15 days	3 weeks
  4.	MCB (Station 2)	2 days	1 month
  5.	ACB/ MCCB (Station 2)	1 day	1 month
  6.	CT (Station 2)	1 day	1 month
  7.	Isolator, Disconnector, Earth Switches, AB Switch and GO Switches (Station 2)	1 day	1 month
  8.	On Load Tap Changer (Station 2)	15-40 days	1 month
  9.	Lightning Arresters (Station-1)	2 days	15 days
  10.	Energymeters
  	a. Direct connected Energy meters	60 days	50 days
  	b. Transformer connected Energy meters	90 days	50 days
  	c. Smart Energy Meters	100 days	50 days

  
  

• UHV Research Laboratory, CPRI, Hyderabad
  

  Sl.No	Name of the Equipment	Testing Duration	Laboratory Lead Time
  A	Insulator strings, Insulators and other similar equipment
  1.	Upto 132 kV rating	6 days	1 week
  2.	Upto 400 kV rating	6 days
  3.	Upto 765 kV rating	6 ½ days
  B	Bushings
  1.	Upto 132 kV rating	5 days	1 week
  2.	Upto 400 kV rating	5 days
  3.	Upto 765 kV rating	5 ½ days
  C	Distribution / Power Transformers
  1.	Distribution / Power Transformers	1 ½ days	1 week
  D	Conductors / Conductor Accessories, Power Connectors
  1.	RIV and Corona Test (upto 765kV rating)	1 day	1 week
  E	Current Transformers
  1.	Upto 132 kV rating	8 ½ days	1 week
  2.	Upto 400 kV rating	9 days
  3.	Upto 765 kV rating	9 days
  F	Inductive Voltage Transformers
  1.	Upto 132 kV rating	6 ½ days	1 week
  2.	Upto 400 kV rating	7 days
  3.	Upto 765 kV rating	8 days
  G	Capacitive Voltage Transformers
  1.	Upto 132 kV rating	8 ½ days	1 week
  2.	Upto 400 kV rating	9 days
  3.	Upto 765 kV rating	9 days
  H	Switchgears (Disconnectors, Circuit Breakers, GIS, AB Switches)
  1.	Upto 132 kV rating	4 days	1 week
  2.	Upto 400 kV rating	5 days
  3.	Upto 765 kV rating	5 days
  I	Insulator strings, Insulators for HVDC applications
  1.	Upto 320 kV rating	4 ½ days	1 week
  2.	Upto 500 kV rating	4 days
  3.	Upto 800 kV rating	4 ½ days
  J	Conductors / Conductor Accessories for HVDC applications
  1.	RIV and Corona test (Upto 800 kV rating)	1 day	1 week

  
  

Note: The information above is only indicative in nature. The actual testing duration / lead time will be decided by the laboratory on submission of sample.