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Electro Luminescence (E.L) Test

Objective

Looking To Invisible Cracks Or Micro Cracks Of The PV Cells, Defects And Failures

Equipment

Special Camera

Portable I-V Tracer

Objective

Verify Power, Voltage And Current At STC (1000 W/M2 ±10 % , 25 ºC Cell Temperature) -Determine Maximum Power , Imax And Voltage Before And After Each Sequence.
To Measure The Current , Voltage And Power Of The Each Module, Row And Entire String.

Equipment

Portable IV Tracer

Reference

IEC 61215 , IEC 61730

Hot Spot Endurance Test

Hot Spot Endurance  Test

To Determine The Possible Locations Where Could Cause A Hotspot Which Might Leads To Fire And Hazard.

  • Shadowing Or Soiling
  • Mismatched Cells
  • Faulty Cells
  • Poor Soldering

Equipment

Special Infra Red Camera

Reference

IEC 61215 , IEC 61730

Potential Induced Degradation Test

Objective

To Perform Repeatable Test Which Evaluates The Crystalline Silicon PV Module’s Performance Against System Voltage Stress. Screen For PID Susceptibility Of Si Solar Cells In A Given Module Package (Glass, Encapsulant) With Related PID  Safeguards Bypassed.

Equipment

  • High Voltage Source
  • Temperature Sensors
  • Combined Temperature And Humidity Sensor

Reference

IEC TS 62804-1

Salt Mist Test

Objective

  • To Determine The Resistance Of Different PV Modules To Corrosion Form Salt Mist
  • 6 Severities Test Scenarios According To Site Condition

Equipment

  • Salt Mist Chamber
  • Na Cl Solution

Reference:

IEC 61701

Cut Susceptibility Test

Objective

To Determine Whether Any Front And Rear Surfaces Of The PV Module Made Of Polymeric Materials Are Capable Of Withstanding Routine Handling During Installation And Maintenance Without Exposing Personnel To The Danger Of Electric Shock.
Equipment

  • The Defined Shaped Object Shall Be A 0,64 Mm ± 0,05 Mm Thick Hardened Steel Blade Sufficiently Rigid As Not To Bend Sideways During The Test.

Reference

IEC 61730

Peel Off Test

Objective

Purpose Of This Test Is To Qualify Insulation As A Cemented Joint. It Shall Provide Confidence Regarding The Durability Of The Adhesion Between Different Layers Of Rigid-To-Flexible Or Flexible To-Flexible Constructions Of The PV Module Stack.

Equipment

  • Tensile-Testing Machine,
  • Fixture, For Holding The Test Piece To The Moving

Reference

IEC 61730

Accessibility Test

Objective

To Provide Confidence That Risk To Determine If PV Modules Are Constructed To Provide Adequate Protection Against Accessibility To Hazardous Live Parts (> 35 V).

Equipment

  • A Cylindrical Test Fixture
  • Ohm Meter Or Continuity Tester

Reference

IEC 61730

Module Breakage Test

Objective

To Provide Confidence That Risk Of Physical Injuries Can Be Minimized If The PV Module Is Broken In Its Specified Installation.

Equipment

  • Mounted Frame
  • Impactor
  • Lifting System

Reference

IEC 61730

Reverse Current Test

Objective

To Determine The Acceptability Of The Risk Of Ignition Or Fire Under Reverse Current Fault Conditions The Electrical Conductors And The Cells Of The PV Module Are Forced To Dissipate Energy As Heat Prior To Circuit Interruption By An Over-Current Protector Installed In The System

Equipment

  • Constant Current Supply
  • Voltmeter
  • Dry Table

Reference

IEC 61730

Continuity Test

Objective

To Verify The Continuous Path Between Accessible Conductive Parts That Are In Direct Contact With Each Other. (Ie Metallic Frame)

Equipments

  • Constant Current Supply
  • Voltmeter
  • Dry Table

Reference

IEC 61730

UV Preconditioning Test

Objective

  • To Evaluate The Effect Of UV Radiation On The Module.
  • Focus On Material Made From Polymers  Such As EVA And Back Sheet.
  • To Precondition The Module With UV Radiation Before Climatic Tests. Maintain Module

Equipment

  • UV Chamber

Reference

IEC 61215 And IEC  61730

Bypass Diode Test

Objective

To Assess The Adequacy Of The Thermal Design And Relative Long-Term Reliability Of The Bypass Diodes Used To Limit The Detrimental Effects Of Module Hot-Spot Susceptibility

Equipment

  • Heating Table
  • Instrument To Apply Multiple Of Rated Current And To Measure The Voltage Drop In Diode

Reference

IEC 61215 & IEC 61730

Static Mechanical Load Test

Objective

To Determine The Ability Of The Module To Withstand A Minimum Static Load Under Certain Installations And Climate.

Equipment

  • Instrument To Monitor The Electrical Continuity Of The Module During The Test.
  • A Rigid Test Base For Mounting The PV Module And Apply The Load

Reference

IEC 61215 & IEC 61730

Robustness Of Termination Test

Objective

To Determine The Terminations, Attachment Of Terminations, And Attachment Of Cables To Body Of  Module Will Withstand Stresses That Are Likely To Be Applied During Normal Assembly Or Handling Operations.

Equipment 

  • Set Of Weights
  • Fixing Device
  • Table
  • Torque Force Sensor

Reference

IEC 61215 & IEC 61730

Hail Test

Objective

To Verify That The Module Is Capable Of Withstanding The Impact Of Hail.

Equipment

  • Launcher Of Ice Ball
  • A Freezer
  • Control System

Reference

IEC 61215

Damp Heat Test

Objective

To Determine The Ability Of The Module To Withstand The Effects Of Long-Term Penetration Of Humidity

Equipment

  • Climatic Chamber
  • Temperature Sensors

Reference

IEC 61215 & IEC 61730

Humidity Freezing Test

Objective

To Determine The Ability Of The Module To Withstand The Effects Of High Temperature & Humidity Followed By Zero Temperature.

Equipment

  • Climatic Chamber
  • Current Induction And Temperature Sensors

Reference

IEC 61215 & IEC 61730

Thermal Cycling Test

Objective

To Determine The Ability Of The Module To Withstand Thermal Mismatch, Fatigue And Other Stresses Caused By Repeated Changes Of Temperature.

Equipment

  • Climatic Chamber (Simulates Heat, Cold , Humidity).
  • Current Induction And Temperature Sensors

Reference

IEC 61215 & IEC 61730

Insulation Test

Objective

To Determine Whether Or Not The Module Is Sufficiently Well Insulated Between Live Parts And Accessible Parts.

Equipment

  • Insulation Resistance Tester
  • High Voltage D.C Source
  • Dry Table.

Reference

IEC 61215 & IEC 61730

Wet Leakage Test

Objective

To Evaluate Insulation Under Wet Operating Conditions And Verify That Moisture From Rain, Fog, Melted Snow Not Enter The Active Parts.

Equipments

  • Insulation Resistance Tester
  • High Voltage D.C Source
  • Water Container.

Reference

IEC 61215 & IEC 61730

Performance Measurement

Objective

  • Verify Power, Voltage And Current At STC (1000 W/M2 ±10 % , 25 ºC Cell Temperature)
  • Determine Maximum Power , Imax And Voltage Before And After Each Sequence.

Equipment

Pulse Simulator

Reference

IEC 61215 & IEC 61730

Visual Inspection Test

Objective

To Detect Any Visual Defects In The Module Under No Less Than 1000 Lux Examples Broken, Cracks , Bubbles Or Delamination, Cells Overlaps

Equipment

  • Inspection Board (Vertical)
  • Camera
  • Caliper
  • Luxmeter

Reference

IEC 61215 & IEC 61730