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BIPV

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    Daily check items

    Solar cell array

    Solar cell array information
    Inspection type Check list Inspection tips
    Visual inspection Contamination and damage to the surface No significant contamination or damage.
    Adrenal glands and rust on supports No corrosion and rust.
    Damage to external wiring (connection cable) There should be no damage to the connecting cable.

    Junction box

    Junction box information
    Inspection type Check list Inspection tips
    Visual inspection Corrosion and damage to the enclosure No corrosion and rust.
    Damage to external wiring (connection cable) There should be no damage to the connecting cable.

    Inverter

    Inverter Inpormation
    Inspection type Check list Inspection tips
    Visual inspection Corrosion and damage to the enclosure No corrosion or rust, and the first part is not exposed.
    Damage to external wiring (connection cable) There must be no damage to the cables connected to the inverter.
    Check ventilation (vents, ventilation filters etc.) Vents must not be blocked.
    Noise, odor, smoke generation and abnormal overheating There should be no abnormal noise, abnormal vibration, odor and abnormal overheating during operation.
    Indication of abnormality in the display There should be no abnormal codes or lamps indicating an abnormality on the display unit.
    Development status There should be no abnormality in the development status of the display part.

    Storage battery

    Storage battery Inpormation
    Inspection type Check list Inspection tips
    Visual inspection Discoloration, deformation, expansion, damage, liquid level drop, temperature rise, odor, rust, loose terminals, etc. Do this while power is supplied to the load.
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    Periodic inspection

    Solar cell array

    Solar cell array Inpormation
    Inspection type Check list Inspection tips
    Visual inspection Connection of ground wire and relaxation of connection terminals The grounding wire must be securely connected. There must be no loosening of the screw.

    Junction box

    Junction box Inpormation
    Inspection type Check list Inspection tips
    Visual inspection Corrosion and damage to the enclosure No corrosion or damage
    Damage of external wiring and loosening of connection terminals There should be no abnormality in wiring and no loosening of screws
    Damage of ground wire and loosening of connection terminal There should be no abnormality in the ground wire, and there should be no loosening of screws
    Measurement
    and Exam    		 Insulation resistance <Solar cell module-ground wire> 0.2MΩ or more, measured voltage DC 500V (measured for each circuit) <between output terminal and ground>1MΩ or more, measurement voltage DC 500V
    Open voltage It must be the specified voltage and the polarity must be correct (measured for each circuit)

    Inverter

    Inverter Inpormation
    Inspection type Check list Inspection tips
    Visual inspection Corrosion and damage to enclosure No corrosion or damage
    Damage of external wiring and loosening of connection terminals There should be no abnormality in wiring and no loosening of screws
    Check ventilation (ventilation hole, ventilation filter, etc.) Damage to ground wire and loosen connection terminal There should be no abnormality in the ground wire, and there should be no loosening of screws
    Check ventilation (vents, ventilation filters, etc.) Vents should not be blocked
    Abnormal sound, odor and vibration during operation There should be no abnormal sound, vibration, or odor during operation
    Measurement
    and Exam    		 Insulation resistance (between inverter input/output terminals and ground) 1MΩ or more, measuring voltage DC 500V
    Check the operation of the display unit (display unit display, generated power, etc.) There should be no abnormality in the display status and development status
    Timer operation test for input blocking time The inverter will start automatically after a certain period of time after stopping

    축전지

    축전지 정보
    Inspection type Check list Inspection tips
    Visual inspection Discoloration, deformation, expansion, damage, drop in liquid level, temperature rise, odor, rust, loose terminals, etc. Do this while power is supplied to the load
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    Maintenance cycle

    Module

    Module Inpormation
    Item Years 1-3 Years 4-6 Years 7-9 10+ years
    Module wiring O O
    Diode O O
    Frame O O
    Color, discoloration O O
    PIC, Hot sopt O O

    Junction panel

    Junction panel Inpormation
    Item Years 1-3 Years 4-6 Years 7-9 10+ years
    Ventilation structure O O
    Unbolt O O
    Diode O O
    Replacement of life cycle parts such as fuse O O

    Inverter

    Inverter Inpormation
    Item Years 1-3 Years 4-6 Years 7-9 10+ years
    Ventilation structure O O
    Unbolt O O
    Fan behavior O O
    Replacement of lifecycle parts such as capacitors O
    Dust removal O O

    Switchboard

    Switchboard information
    Item Years 1-3 Years 4-6 Years 7-9 10+ years
    Ventilation structure O O
    Unbolt O O
    trans overheat O O
    Dust removal O O

    Cable

    Cable information
    Item Years 1-3 Years 4-6 Years 7-9 10+ years
    Wind twist O O
    Wire heating O O
    Connection status O O

    Structure

    Structure Information
    Item Years 1-3 Years 4-6 Years 7-9 10+ years
    Unbolt O O
    Sink O O
    Corrosion O O
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    Inspection items before use of solar power generation facilities

    Solar cell

    Solar cell
    Item Content Inspect
    Appearance check Solar cell discoloration and damage
    Check for leaks, corrosion, and damage to the insulation of the terminal block
    Check the electrical connection (equipotential bonding) between the solar cell and the support
    Electrical property test Maximum output
    Open voltage
    Short-circuit current
    Maximum output voltage and current
    Fill rate
    Power conversion efficiency
    Array Insulation resistance
    Ground resistance

    Power converter

    Power converter
    Item Content Inspect
    Appearance check Whether power converter is installed
    Check for abnormalities in switchboard (protection and control) instruments, alarm devices, etc.
    Check the insulation interval of the switchboard and the wiring status of the wiring
    Check grounding location and connection status
    Insulation resistance Measure the insulation resistance between the circuit and the ground after opening the input/output switch of the power converter
    Dielectric strength For new equipment, the test is omitted by checking the test report
    Control circuit and alarm device Check alarms by simulating various protection and control functions
    Static switch automatic/manual transfer test Check the automatic/manual switching between the power control unit and the static switch from the setting value presented by the manufacturer or the testing institute
    Reverse operation control test If solar power generation fails or the generated power is insufficient to supply the load, check whether there is insufficient power supply from the grid
    Independent driving prevention test Check the state of disconnection of the linkage by the independent operation prevention function so that it is not fed back to the distribution line in the event of a power outage on the KEPCO line
    Power converter automatic/manual transfer test Auto/manual transfer test is performed to check whether there is an abnormality in the power converter in operation or the state of uninterrupted transfer with the power converter in standby in case of overload
    Charging function test Check the contents of the capacity test conducted at the factory, select the charging mode arbitrarily, and check whether the operating values ​​such as voltage and current can be varied for each charging mode

    Power conversion facility protection device

    Power conversion facility protection device
    Item Content Inspect
    General specification Check name plate and test report
    Capacity of power converter
    Appearance check Check for damage or damage to the protective device enclosure
    Check whether the installation status is appropriate
    Insulation resistance Protecting deviceㅣ Measuring insulation resistance between terminals and ground
    Test guard Whether or not power generation facilities are stopped or power is cut off to prevent reverse transmission in the event of a power outage in the KEPCO grid
    Check the electrical equipment protection device and operation status when various abnormal conditions such as overvoltage and overcurrent of solar cell power generation facilities occur
    accumulator Check facility status
    Check electrolyte
    Ventilation status

    Comprehensive interlocking test

    Comprehensive interlocking test
    Item Content Inspect
    Check overall interlock drawing Check drawing
    On-site installation Check the inlet, switchgear and parking breaker interlock
    Check interlock between parking breaker and low voltage circuit breaker
    Check interlock of low voltage circuit breaker and power converter

    Comments

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    Attachments

    Attachments Information
    Classification File Size
    Drawing BIMer Mechanical Template_v1.0_2014.rte 삭제
    Drawing BIMer Mechanical Template_v1.0_2014.rte 삭제
    Drawing BIPV_Template_v1.0_2014.rte 삭제
    Drawing BIMer Mechanical Template_v1.0_2014_02_17_1546546135165465.rte 삭제
    Drawing BIPV_Template_v1.0_2014.rte 삭제
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