SSEG Commissioning Report

• Site conducted

  Select

• Conducted on

  Date

• Prepared by

• Location
  Address

Array inspection

• Does this system include solar PV modules?

  Yes

  No

  N/A

Design and installation inspection

• Have all strings been labelled at both points of termination (PV module and inverter side) and on the PV module itself? (PV module cable labelling suitable if they are easily visible, otherwise module frame label required.)

  Yes

  No

  N/A

• Have all DC string cables been specified to withstand DC voltages up to 1500V and are they double insulated? (Solarflex H1Z2Z2)

  Yes

  No

  N/A

• Are all DC components rated for continuous DC operation?

  Yes

  No

  N/A

• Are all DC components rated to handle the highest expected voltage at the lowest temperature and the highest short circuit current expected (Isc@STC x 1.25)?

  Yes

  No

  N/A

• Have all wiring systems been selected and erected to withstand the expected external influences such as wind, ice formation, temperature and solar radiation?

  Yes

  No

  N/A

• Systems without string over-current protective devices: String cables sized to accommodate the maximum combined fault current from parallel strings?

  Yes

  No

  N/A

• Systems with string over-current protective devices: over-current protective devices are correctly specified to local codes or to the PV module manufacturer's instructions?

  Yes

  No

  N/A

• Where the DC isolator on the inverter is not specified to comply with IEC 60947-3, has a separate DC switch disconnector been fitted to the DC side of the inverter?

  Yes

  No

  N/A

• Array frame equipotential bonding installed and confirmed to be less than 0.2 ohm between exposed conductive parts within arm's reach of each other? (This includes any electrically conductive structures within arm's reach)

  Yes

  No

  N/A

• Bonding conductors have been run parallel to DC cable arrangements?

  Yes

  No

  N/A

• All DC junction boxes (PV generator and PV array boxes) and wireways carry a warning label indicating that active parts inside these components are fed from a PV array and may still be live after isolation from the PV inverter and public supply.

  Yes

  No

  N/A

• Ventilation provided behind array to prevent overheating / fire risk?

  Yes

  No

  N/A

• Array frame and material corrosion proof?

  Yes

  No

  N/A

• Array frame correctly fixed and stable; roof fixings weatherproof.

  Yes

  No

  N/A

• Is the array mounting structure suitable for the given application?

  Yes

  No

  N/A

• Is the array mounting structure free from any damage and corrosion and have the correct fasteners been used for the structure?

  Yes

  No

  N/A

• Where cables/conductors have broken any weather proof barrier or entered into any underground conduit/piping arrangement, have these entries been made weatherproof to prevent water ingress?

  Yes

  No

  N/A

Environmental conditions

• Have suitable water access points been provided to allow for easy access to water for O&M purposes?

  Yes

  No

  N/A

• Have suitable means been provided to prevent unauthorized access to the array?

  Yes

  No

  N/A

• Have all modules been cleaned prior to commissioning?

  Yes

  No

  N/A

• Is this a ground mounted system?

  Yes

  No

  N/A

• Have fire barriers been created to prevent fire egress from the PV array to vegetation outside the boundaries of the PV array?

  Yes

  No

  N/A

• Has all vegetation been managed to prevent any negative impact on the performance of the PV array?

  Yes

  No

  N/A

• Is this a roof mounted system?

  Yes

  No

  N/A

• Have CAT ladders been installed to provide roof access?

  Yes

  No

  N/A

• Are these ladders structurally sound and has a competent person approved their design and installation?

  Yes

  No

  N/A

• Have the ladders and their fixings been protected against corrosion?

  Yes

  No

  N/A

• Are these ladders easily accessible to authorized personnel?

  Yes

  No

  N/A

• Are these ladders suitably protected from unauthorized access?

  Yes

  No

  N/A

• Have anchoring points been provided to allow safe access to sections of the roof without scaffolding and other means of fall protection?

  Yes

  No

  N/A

• Have these anchoring points been designed and their installation approved by a competent person?

  Yes

  No

  N/A

AC Electrical Works Inspection

• Have means been provided to safely isolate each individual inverter on site.

  Yes

  No

  N/A

• Are all isolation devices wired with utility supply on the "Line" side and the PV inverter on the "Load" side of the device?

  Yes

  No

  N/A

• Have labels been provided to indicate the contrary? And have all other labels/markings indicating otherwise been obscured.

  Yes

  No

  N/A

• Are all protective devices correctly specified for the continuous duty of the circuit and for the prospective fault levels that may be experienced?

  Yes

  No

  N/A

• Have SPDs of the correct type and rating been installed to the correct standard?

  Yes

  No

  N/A

• Are all terminations securely fastened and correctly terminated?

  Yes

  No

  N/A

• Is correct colour coding convention used for phase, neutral and protective conductors?

  Yes

  No

  N/A

• Are all exposed extraneous conductive parts within arm's reach bonded with an impedance less than 0.2 ohm between any two parts?

  Yes

  No

  N/A

• Are all electrical covers correctly installed, allowing no physical access to live parts without the use of a key or tool?

  Yes

  No

  N/A

• Are all circuits, protective devices, switches and terminals suitably labelled?

  Yes

  No

  N/A

• Main AC isolator clearly labelled?

  Yes

  No

  N/A

• Dual supply warning labels fitted at point of interconnection?

  Yes

  No

  N/A

• Single line wiring diagram displayed inside DB boards?

  Yes

  No

  N/A

• Emergency shutdown procedures displayed on site?

  Yes

  No

  N/A

• All signs and labels suitably affixed and durable?

  Yes

  No

  N/A

• All cable trays are suitably bonded where and as required.

  Yes

  No

  N/A

• All cable trays are securely fastened and their covers have been secured with the correct clips?

  Yes

  No

  N/A

Revenue meter commissioning

• Are there billing grade meters installed on site?

  Yes

  No

  N/A

• Have the CTs been configured correctly to ensure that the burden on the CT circuit maintains the CTs at their class 0.2 accuracy? (CT wiring not too small and not too long)

  Yes

  No

  N/A

• Have the CTs of the meters had their secondary terminals grounded?

  Yes

  No

  N/A

• Have means been provided to safely short out the terminals of the CTs to allow for removal/maintenance of the meters to avoid the need to shut down the power supply?

  Yes

  No

  N/A

• Have the CTs been positioned with the primary side (K) pointing towards the source of energy generation? (If PV meter then facing inverters and if grid meter facing utility)

  Yes

  No

  N/A

• Have the CT ratios been configured correctly for the CTs used on site?

  Yes

  No

  N/A

• Have the serial number of the meters been recorded? (Please repeat for number of meters on site)

  Yes

  No

  N/A
Meter serial number and address

• Please fill in the serial number of the meter.

• Has this meter been added to the monitoring platform?

  Yes

  No

  N/A

• Is this the meter where the LTE modem is connected?

  Yes

  No

  N/A

• Please fill in the cellphone number of the SIM card used and disable the PIN on the SIM card.

• Please fill in the physical SIM card number printed on it.

• Please enter the serial number of the LTE modem. (MSK-000xxxx number)

• Please enter the barcode serial number of the LTE modem.

• Have you confirmed that the LTE antenna has been suitably placed and that there is adequate signal for the modem?

  Yes

  No

  N/A

• Is this meter connected by means of an RS485 module to the main LTE modem?

  Yes

  No

  N/A

• Please take note of the KMP address of the meter when configuring the CT ratio and provide it here. (If there are multiple meters connected via an RS485 module please ensure that they are sequential addresses and unique)

Inverter commissioning

• Are the inverters rated to withstand the environmental conditions where they are installed?

  Yes

  No

  N/A

• Have the spacing limits of the inverters been adhered to? (Please refer to the installation manual as this can void warranty claims)

  Yes

  No

  N/A
Inverter number

Inverter general information

• What brand of inverter has been installed?

• What model of inverter has been installed?

• What is the label/name on this inverter on site?

• What is the serial number of this inverter?

• What firmware version was installed at the time of commissioning?

Installation conditions

• Free from signs of physical damage both internal and external?

  Yes

  No

  N/A

• Fans functioning correctly and free from dirt?

  Yes

  No

  N/A

• Airways not obstructed?

  Yes

  No

  N/A

• Not exposed to direct sunlight for duration of the entire day?

  Yes

  No

  N/A

• Mounted correctly, securely and level?

  Yes

  No

  N/A

• Where applicable, doors are aligned, locking and functioning correctly?

  Yes

  No

  N/A

• Substructure/base mounted correctly?

  Yes

  No

  N/A

• All parts (base, side panels, lids, etc.) have been secured and fastened with the correct screws and no screws are missing?

  Yes

  No

  N/A

• All used cable glands are securely fitted and sealed around cables as much as reasonably possible?

  Yes

  No

  N/A

• Unused cable gland seals have been maintained?

  Yes

  No

  N/A

• Original fittings have been used?

  Yes

  No

  N/A

• Inside of inverter is clean and dry?

  Yes

  No

  N/A

Cabling

• All cables have been correctly terminated and labeled?

  Yes

  No

  N/A

• Insulation of cables has been stripped to the correct length to prevent fastening terminations onto insulation material?

  Yes

  No

  N/A

• AC cables correctly labeled?

  Yes

  No

  N/A

• All cable terminations have been torqued to the correct specification?

  Yes

  No

  N/A

• DC cables correctly labeled indicating voltage of the circuit?

  Yes

  No

  N/A

• Is this a battery inverter?

  Yes

  No

  N/A

Battery Wiring

• What size cable has been used for the battery terminations? (If multiple runs please specify)

• Has adequate protection against short circuit currents been provided?

  Yes

  No

  N/A

Output wiring

• What size AC cable has been used on the backup wiring of the inverter?

• Has adequate protection against short circuit currents been provided? (Taking into account current limiting characteristics of the inverter?)

  Yes

  No

  N/A

Input wiring

• What size AC cable has been used on the input wiring of the inverter?

  Yes

  No

  N/A

• Has adequate protection against short circuit currents been provided?

  Yes

  No

  N/A

Input wiring

• What size AC cable has been used for the wiring of the inverter?

  Yes

  No

  N/A

• Has adequate protection against short circuit currents been provided?

  Yes

  No

  N/A

Commissioning information

• Is the inverter configured to use MODBUS TCP or MODBUS RTU?

  MODBUS TCP

  MODBUS RTU

• Please enter the local domain name for the inverter. (If it is not applicable please type N/A)

• Please enter the static IP address of the inverter if it is applicable, if it is dynamically assigned and makes use of a domain name type N/A.

• Please enter the MAC Address of the inverter.

• Please enter the MODBUS ID that was configured on the inverter.

• Inverter configured to correct NRS 097 grid code?

  Yes

  No

  N/A

• Measured L1-L2 voltage at inverter breaker with breaker in OPEN position (V)

• Measured L1-L3 voltage at inverter breaker with breaker in OPEN position (V)

• Measured L2-L3 voltage at inverter breaker with breaker in OPEN position (V)

• Measured L1-L2 voltage at inverter breaker with breaker in CLOSED position with inverter feeding power at least at 20% of inverter rating (V)

• Measured L1-L3 voltage at inverter breaker with breaker in CLOSED position with inverter feeding power at least at 20% of inverter rating (V)

• Measured L2-L3 voltage at inverter breaker with breaker in CLOSED position with inverter feeding power at least at 20% of inverter rating (V)

• Confirmed that there is no voltage at the inverter terminals when the breaker has been opened? (Loss of mains / islanding test)

  Yes

  No

  N/A

• Reconnection time after grid recovery greater or equal to 60 seconds? (Confirm with current clamp after closing the breaker)

  Yes

  No

  N/A
MPPT number

• Does the current rating of the MPPT exceed the total combined MPP current (IMPP) of the strings that are connected to this MPPT?

  Yes

  No

  N/A

• Do the expected minimum and maximum string voltages of the connected strings adhere to the inverter's voltage limits?

  Yes

  No

  N/A
String number

• Number of modules in string?

• Expected open circuit voltage for string (V) (STC conditions)

• Expected short circuit current of string? (A) (STC conditions)

String Tests

• Polarity of string correct?

  Yes

  No

  N/A

• Module temperature at time of measurement? (deg C)

• Irradiance at time of measurement? (W/m2)

• Measured open circuit voltage (V)

• Measured voltage positive to ground (V) (Red lead of meter to red string conductor and black lead to ground)

• Measured voltage negative to ground (V) (Black lead of meter to black string conductor and red lead to ground)

• Insulation resistance positive string to ground (Megohm) (Test at 1000V)

• Insulation resistance negative string to ground (Megohm) (Test at 1000V)

• Measured MPP voltage during operation (V)

• Measure MPP current during operation (A)

• String test passed?

  Yes

  No

  N/A

Network and Plant Controller Commissioning

• Is there a UPS system in place to supply backup power to all monitoring devices?

  Yes

  No

  N/A

• Has the system been tested by tripping the input supply and is it functional?

  Yes

  No

  N/A

• Is the battery able to be charged? (Power supply voltage higher than 27V)

  Yes

  No

  N/A

• Is the battery size suitable for the selected loads (Consider all equipment nominal power consumption)

  Yes

  No

  N/A

Router Commissioning

• Has a SIM card been used to provide internet access to this router?

  Yes

  No

  N/A

• Please provide the SIM card number.

• Please provide the cellphone number of the SIM card.

• Please provide the PUK number of the SIM card.

• Please provide the PIN code number of the SIM card.

• Please enter the IP address or local domain name for the main router used for the system.

• Please provide the admin username for the router.

• Please provide the admin password for the router.

• Please provide the WiFi SSID of the router.

• Please provide the WiFi password of the router.

• Has the LAN been configured correctly to ensure that all LAN devices are within the same subnet?

  Yes

  No

  N/A

Plant controller

• Please enter the IP address or local domain name for the plant controller. (Specify any prefixes or suffixes necessary, e.g. HTTPS:// or /webvisu.html)

• Please enter the admin username to access the device.

• Please enter the admin password to access the device.

• Have all power measurement devices been added and are their values reporting correctly? (Confirm with current clamps and multimeters where required)

  Yes

  No

  N/A

• Are all power measurements reporting correctly?

  Yes

  No

  N/A

• Where applicable, have all external environmental sensors been added and are their values reporting correctly? (Confirm with test equipment if possible)

  Yes

  No

  N/A

• Where applicable, has export control functionality been tested as fully functional?

  Yes

  No

  N/A

• Where applicable, has generator integration functionality been tested as fully functional?

  Yes

  No

  N/A

• Does the device have access to the internet?

  Yes

  No

  N/A

• Has the device been connected to the respective monitoring platform using the company credentials?

  Yes

  No

  N/A

Vendor logger / data manager commissioning

• Please enter the IP address or local domain name for the plant data logger. (Specify any prefixes or suffixes necessary, e.g. HTTPS:// or /webvisu.html)

• Please enter the admin username to access the device.

• Please enter the admin password to access the device.

• Does the device have access to the internet?

  Yes

  No

  N/A

• Has the device been connected to the respective monitoring platform using the company credentials?

  Yes

  No

  N/A