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National Institute of Solar Energy Autonomous Institute under Ministry of New and Renewable Energy Government of India.
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Solar PV Power Converters/Inverters testing:

NISE offers Solar PV power Converters testing as per different IEC standards as mentioned below and MNRE guidelines up-to 50 kVA only.


Different kinds of Test Facilities are available such as:

  1. SPV Inverter: Standalone [(Solar + Battery only),( Solar + Grid import + Battery only)]
  2. SPV Inverter: Hybrid [(Solar + Grid import & Export + Battery only + any other source)]
  3. SPV Inverter: Grid tied [string inverter]
  4. SPV charge controller
  5. SPV pump controller

SPV Inverter: Standalone [(Solar + Battery only), (Solar + Grid import + Battery only)]:-

  1. Visual Inspection
  2. Performance testing
    1. Inverter efficiency test as per IEC 61683
    2. MPPT efficiency test as Per EN 50530
    3. Charge controller performance test as per IEC 62509
  3. Protection test
    1. Battery reverse Polarity test
    2. PV reverse polarity test
    3. Insulation resistance test
  4. Environmental test as per IEC 60068-2-(1,2,14 & 30 )

SPV Inverter: Hybrid [(Solar + Grid import & Export + Battery only + any other source)]:-

  1. Visual Inspection
  2. Performance testing
    1. Inverter efficiency test as per IEC 61683
    2. MPPT efficiency test as Per EN 50530
    3. Charge controller performance test as per IEC 62509
    4. Islanding prevention measures for utility interconnected inverter photovoltaic inverters as per IEC 62116
    5. Photovoltaic Systems- characteristics of utility interface as per IEC 61727
  3. Protection test
    1. Battery reverse Polarity test
    2. PV reverse polarity test
    3. Insulation resistance test
  4. Environmental test as per IEC 60068-2-(1,2,14 & 30 )

SPV Inverter: Grid tied [string inverter]:-

  1. Visual Inspection
  2. Performance testing
    1. Inverter efficiency test as per IEC 61683
    2. Over all system & MPPT efficiency test as Per EN 50530
    3. Islanding prevention measures for utility interconnected inverter photovoltaic inverters as per IEC 62116
    4. Photovoltaic Systems- characteristics of utility interface as per IEC 61727
  3. Protection test
    1. Battery reverse Polarity test
    2. PV reverse polarity test
  4. Environmental test as per IEC 60068-2-(1,2,14 & 30 )

SPV charge controller:-

  1. Visual Inspection
  2. Performance testing
    1. MPPT efficiency test as Per EN 50530
    2. Charge controller performance test as per IEC 62509
  3. Environmental test as per IEC 60068-2-(1,2,14 & 30 )

SPV pump controller:-

  1. Visual Inspection
  2. Performance testing
    1. MPPT efficiency test
    2. System efficiency test
    3. Overall system efficiency test
  3. Protection test
    1. PV reverse polarity test
    2. Short- circuit test
    3. Open circuit test
    4. Dry run test
    5. Insulation resistance test
  4. Data monitoring test
    1. Electrical parameter Logging
    2. Continuous flow
    3. Cumulative sum of flow
    4. Fault indication
  5. Environmental test as per IEC 60068-2-(1,2,14 & 30 )

The following Solar PV power converter/Inverter tests are available:

  • IEC 61683 OFF-Grid SPV inverter/converter teste
  • IEC 61683 ON-Grid SPV inverter/converter test
  • IEC 62509 OFF-Grid SPV inverter/converter test
  • OFF-Grid SPV inverter/converter MPPT test
  • EN50530 ON-Grid SPV inverter/converter test
  • IEC61683+IEC62509+EN50530 OFF-Grid SPV inverter/converter test
  • IEC 62116: Test procedure of islanding prevention measure for utility-interconnected PV inverters + IEC 61727: PV systems-characteristics of the utility interface test for both ON-Grid and OFF-Grid
  • IEC 60068 -2 (1,2,14,30) OFF-Grid test
  • IEC 60068 -2 (1,2,14,30) ON-Grid test

Select testing service to order:

testing-of-inverters