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photovoltaic testing facility

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NATIONAL INSTITUTE OF
SOLAR ENERGY

NISE-PVTF

Globally unique, our testing is ISO 17025 certified

PHOTOVOLTAIC TEST FACILITY

The Photovoltaic testing facility at National insti-tute of solar energy is an independent test laboratory and engaged in testing of solar PV module, systems BOS and components as per national and interna-tional standards. In order to accomplish these activi-ties PVTF is having 3 different laboratories i.e. PV module testing lab, advanced SPV systems & light-ing lab and battery test lab. The etailed activities being taken up at these laboratories are as below:

PV module test lab:

The PV module test lab is a NABL (National accreditation board for testing & calibration labo-ratories) accredited laboratory as per standard IS 17025: 2005 for qualification testing of PV module as per IEC 61215/ BIS 4186. The facility for conduct-ing the testing for safety standard i.e. IEC 61730-1, 61730-2 and salt spray test is under accreditation.In addition to this the laboratory offers wide range of ser-vices to the Customers such as Quantitative and Quali-tative analysis of PV modules and assessment of the deg- radation mechanism by way of conducting the EL test.

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SERVICES OFFERED

  • Performance measurment
  • Qualification testing of PV module
  • Quality benchmarking of PV modules
  • Electroluminescence recording
  • Thermography
  • Root-cause analysis
  • Potential Induced Degradation (PID)

PERFORMANCE AND QUALIFICATION TESING OF PHOTOVOLTAIC MODULES

Performance measurement

The performance of PV modules is measured under stand-ard i.e 25°C module temperature, AM 1.5 spectrum and 100mW/m2 intensity and different test conditions in accordance with IEC standard 60904-3.

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Qualification testing of PV modules as per IEC standards.

Performance measurement The performance of PV modules is measured under stand -ard i.e 25°C module temperature, AM 1.5 spectrum and 100mW/m 2intensity and different test conditions in accordance with IEC standard 60904-3.Qualification testing is designed to accelerate and induce many of the same failure mechanisms that the module will be subjected to in the field. Procedures involve a set of well-defined accelerated stress tests irradiation, environmental, mechanical and electrical tests - with strict pass/fail criteria based on functional- ity/performance, safety/insulation and visual require - ments according to relevant standards.

  • IEC 61215 “Crystalline silicon terrestrial photovoltaic (PV) mod-ules – design qualification and type Approval” testing time of 4 months
  • IEC 61646 “Thin-film terrestrial photovoltaic (PV) modules – design qualification and type approval” testing time of 4 months
  • IEC 61730-1 “Photovoltaic (PV) module safety qualification - Part 1: Requirements for construction” testing time of 1 month
  • IEC 61730-2 “Photovoltaic (PV) modules safety qualification” test-ing time of 1 month
  • IEC 61701 “Salt mist corrosion testing of photovoltaic modules” testing time of 1 month
  • Potential Induced Degradation test keeping in mind of Indian operating conditions
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QUALITY BENCHMARKING OF PV MODULES

Benchmark against expected performance parameters through relevant standards through root-cause analysis.Drawing on relevant field experience, these test se-quences will also inspect module characteristics. Aim of this testing is to enable rapid quality control on a spot check basis.This includes the following:

  • Performance benchmarking
  • Performing output characteristics with stress-run
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Thermal imaging

Thermal imaging by the use of an infrared thermography camera measures the thermal irradiance of a PV module.

  • To identify defective cells with hotspots.
  • Possible to check the junction boxes for material failure in PV modules.
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Multiple repetitions of benchmarking is possible.Benchmark test pattern can be used by manufactur-ers, product developers, EPCs, traders and operators who wish to have their products tested independent-ly. Individual benchmark tests (e.g. IEC +100%) allow increased security for manufacturers and investors.

Potential Induced Degradation (PID)

PID is a failure mechanism, which is currently much discussed.In a PID test the module’s sensitivity towards electrical potential differences between cell and frame / glass is tested. We test and evaluate the module’s sensi-tivity according totechnical guideline as per IEC 62804

Electroluminescence

The Electroluminescence enables detailed quality check of all types of PV modules, phenomenon to im-age micro-cracks, cell failures and inhomogenities

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ADVANCED SPV SYSTEMS AND LIGHTING LAB

Advanced SPV Systems & Lighting Laboratory is having well equipped testing facilities. Labora-tory is engaged in the performance, reliability testing & validation of Solar Lighting & other systems i.e. solar e-rickshaw, air conditioner, Hybrid Lighting Systems as per National & International standard.The laboratory is involved in R&D in the field of application of Solar Photovoltaic systems & Illumination Engineering.

Standard and specifications

  • MNRE Technical Specifications for White LED(W-LED) based Solar Photovoltaic Light-ing systems (Lantern, Home lighting system, Street Lighting System, Torch and Task Light etc.).
  • User defined Technical Specifications for other PV based system i.e. road stud, garden light, task light, study lamp, torch, solar e-rickshaw, street lights for different roads & air conditioner etc.

Services and Technical support

White LED (W-LED) Based Solar Photovoltaic Light-ing Systems (Off-grid Solar Applications)

  • Solar Home Systems (Solar Power Pack, AC & DC Model)
  • Solar Home lighting system
  • Solar Street Lighting System
  • Solar Lantern
  • Solar Study Lamp
  • Solar Torch
  • Solar Task Light
  • Solar Road Stud
  • Solar Garden light

Nominal testing duration for SPV systems are 25-30 days.

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Contribution to the industry and research

White LED (W-LED) Based Solar Photovoltaic Light-ing Systems (Off-grid Solar Applications)

  • Helping the industry to design & develop PV based systems for different applications (Solar home sys-tems for different household requirement, security lights, solar interface, solar AC etc.) by developmen-tal testing.
  • Developing and upgrading the technical specifica-tions for solar PV industry and their performance reliability evaluation.
  • Guiding the state nodal agencies and other pro-gramme implanting organizations in preparation of different user defined system specifications and de-velopment of the systems conforming to the specifi-cations.

BATTERY TESTING AND CHARACTERIZATION FACILITY

The battery testing and characterization facility at NISE is well equipped to carry out certification of major secondary battery technologies according to relevent national and international standards upto a cpacity of 18V and 2000Ah. In additiuon to rpoutine testing the facility is engaged in various experimental and theoritical research projects to promote manufacturing of quality battery products by the industry.

BATTERY TECHNOLOGIES BEING TESTED

  • Lead Acid (All types)
  • Li - ion (All Salts)
  • NiMH- Nickel Metal hydride
  • NiCd - Nickel Cadmium
  • Nickel iron

TEST SERVICES OFFERING

TEST SERVICES DURATION
  • Capacity test
  • Efficient test(Ah & Wh)
  • Self discharge test
  • Conductance test
  • Environmental Testing
  • Type test
  • Life cycle tests
  • 20 days
  • 15 days
  • 50 days
  • 15 days
  • 05 months
  • 06 months
  • 08 months
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In case of any clarification contact

Dr.Rajesh Kumar, DIRECTOR

National Institute of Solar Energy,

Photovoltaic Test Facility,

Gwalpahari, Gurgaon-Faridabad Road, Gurgaon – 122003 (Haryana)

Phone: 0124*2579084

Email : pvtf.nise@gmail.com

Web : www.nise.res.in