PV Plant Audit - 2020

• Date of audit

  Date

• Scope the audit

  Select

• Prepared by:

• Score Ranking

  

• Evaluation Chart

  

• All the items with Class III score must be defined at least one corrective action.

• In the items with Class II & III score should be added an evidence or the issue description

• The questions marked with "C" (critical question), the section of Class III will be taken as Failed response in the final result of the audit

1.0 Buildings (MV / Inverters / Substation / Wharehouse)

• 1.1. Check the global state of conservation of the buildings and equipments

  OK

  Class I

  Class II

  Class III

  N/A

• 1.2. Check the global state of cleanliness

  OK

  Class I

  Class II

  Class III

  N/A

• 1.3. Condition of grid meters

  OK

  Class I

  Class II

  Class III

  N/A

• 1.4. Condition of sensors and meteo stations

  OK

  Class I

  Class II

  Class III

  N/A

• 1.5. Check safety signs (emergency posters, extinguishers posters, electrical risk, first-aid kit posters, signs of do not enter ins restricted areas, evacuation map, coordenates map of the site...)

  OK

  Class I

  Class II

  Class III

  N/A

• 1.6. Check First-aid kit (take a picture of the First-aid kit, add comments)

  OK

  Class I

  Class II

  Class III

  N/A

• 1.7 Validate the fire extinguishers state (take a picture to one of them, add comments)

  OK

  Class I

  Class II

  Class III

  N/A

• Checked accessibility, good apparent condition of conservation, insurance, seals, inscriptions, hose, etc.
  Checked the state of charge (weight and pressure) of the extinguisher and the gas pump bottle (if any) state of the mechanical parts (nozzles, valves, hoses, etc)
  Check the correct fire control system, fire dections, (if is aplicable)

• Other types of facilities on site audited

  Select SET PV PLANT WTG WAREHOUSE N/A

  • SET
  • PV PLANT
  • WTG
  • WAREHOUSE
  • N/A
1.8 SET AUDITED

• 1.8.1 Check the outside general state (lighting, fences, vegetation…)

  OK

  Class I

  Class II

  Class III

  N/A

• 1.8.2 State of transformers (leaks, silica, tap changer, ventilation…)

  OK

  Class I

  Class II

  Class III

  N/A

• 1.8.3 Check the state of electrical equipment "C"

  OK

  Class I

  Class II

  Class III

  N/A
1.9 WAREHOUSE AUDITED

• 1.9.1 Check the global state of cleanliness

  OK

  Class I

  Class II

  Class III

  N/A

• 1.9.2 State of the hazard substances. Containers, labels, MSDS, signaling "C"

  OK

  Class I

  Class II

  Class III

  N/A

• 1.9.3 Check the state of fire estinguisher equipments "C"

  OK

  Class I

  Class II

  Class III

  N/A

• 1.9.4 Check safety signs (emergency posters, extinguishers posters, electrical risk, first-aid kit posters, signs of do not enter ins restricted areas, evacuation map, coordenates map of the site...)

  OK

  Class I

  Class II

  Class III

  N/A

2.0 MV Switchgears, Q.SS.AA, Inverters

• 2.1. Check the general aspect of switchgears

  OK

  Class I

  Class II

  Class III

  N/A

• 2.2. Check the correct identification of all MV switchgears

  OK

  Class I

  Class II

  Class III

  N/A

• 2.3. Check the correct operation of tension detectors/indicators and SF6 indicators "C"

  OK

  Class I

  Class II

  Class III

  N/A

• 2.4. Check the general aspect of electric switchboard (QSSAA and others)

  OK

  Class I

  Class II

  Class III

  N/A

• 2.5. Operation of inverters

  OK

  Class I

  Class II

  Class III

  N/A

• 2.6. Verification of ventilation, fans of the inverters

  OK

  Class I

  Class II

  Class III

  N/A

3.0 Comunications, alarms and SCADA

• 3.1. Check communications<br>

  OK

  Class I

  Class II

  Class III

  N/A

• 3.2. SCADA conditions

  OK

  Class I

  Class II

  Class III

  N/A

• 3.3. Alarms (MV proteccions, SCADA, etc)

  OK

  Class I

  Class II

  Class III

  N/A

• 3.4. Remote access (To SCADA, CCTV, etc)

  OK

  Class I

  Class II

  Class III

  N/A

4.0 Field Inspection (String Boxes, structure, DC cables, PV panels)

• 4.1. Visual Inspection (corrosion, excessive dirt…)

  OK

  Class I

  Class II

  Class III

  N/A

• 4.2. Identification labels (If applicable)

  OK

  Class I

  Class II

  Class III

  N/A

• 4.3. State of PV panels

  OK

  Class I

  Class II

  Class III

  N/A

• 4.4. Cleanliness of PV panels

  OK

  Class I

  Class II

  Class III

  N/A

• 4.5. General state of the metallic structure

  OK

  Class I

  Class II

  Class III

  N/A

• 4.6. General state of DC cables

  OK

  Class I

  Class II

  Class III

  N/A

• 4.7. General state of vegetation and possible shadows

  OK

  Class I

  Class II

  Class III

  N/A

• 4.8. Earth connections of the structure

  OK

  Class I

  Class II

  Class III

  N/A

• PV Plant with trackers?

  Yes

  No

  N/A

• 4.8.1 Verify the state of motors and electrical connections

  OK

  Class I

  Class II

  Class III

  N/A

• 4.8.2 Verify the state of axis, traction cables and metal parts

  OK

  Class I

  Class II

  Class III

  N/A

• 4.8.3 Verify abnormal inclinations

  OK

  Class I

  Class II

  Class III

  N/A

• 4.8.4 Verify state of control boxes

  OK

  Class I

  Class II

  Class III

  N/A

• 4.8.5 Verify operation of tracker wind sensors

  OK

  Class I

  Class II

  Class III

  N/A

• General subjective evaluation

• Obs.:

5.0 Roads, Drainage and Fences

• 5.1. Condition of roads and accesses

  OK

  Class I

  Class II

  Class III

  N/A

• 5.2. Condition of the aqueducts and gutters

  OK

  Class I

  Class II

  Class III

  N/A

• 5.3. Condition of fences all around PV farm (Electrical fences included)

  OK

  Class I

  Class II

  Class III

  N/A

• Select if O&M Questionnaire applies

  Yes

  No

  N/A

6. General

• 6.1. Indicate who are the main O&M providers, what are their responsabilities (Preventive/corective work for: Civil work, BoP, electrical infrastucture)

• 6.2. How often is carried out MV and HV preventive maintenance ? Please describe the scope

• 6.3. Is there oil sample available of the HV transformers ?

  Yes

  No

  N/A

• Precise last sample analysis result date

• 6.4. How often is carried out civil work maintenance? if is necessary add notes

• 6.5. Is there any noise or visual impact claim from any neighbour? if is necessary add notes

  Yes

  No

  N/A

• 6.6. Is there any specific legal obligation to conduct environmental follow up? if is necessary add notes

  Yes

  No

  N/A

7. O&M Structure

• 7.1. Are there spare parts for electrical infrastructure components (extra switch gear…) ?

  Yes

  No

  N/A

• 7.2. Is there any agreement for 24/7 corrective maintenance with limited response time?

  Yes

  No

  N/A

• 7.3. What is the response time during the working hours, night and weekend?

• 7.4. Describe the role of the Asset manager/owner (control center, remote/local operation, on site personal)

• 7.5. Is there 24/7 Control center and how can they operate remotely the substation ? If yes, indicate the provider in notes

  Yes

  No

  N/A

• 7.6. Describe the security measures of the site (CCTV, guards…)

8. Control and Scada of Inverters and substation

• 8.1 What SCADA version is installed in the plant?

• Provide Screenshot of the SCADA

  Media

• 8.2 What SCADA version is installed in the substation?

• Provide Screenshot of the substation SCADA

  Media

• 8.3. Indicate remote access possibilities

• 8.4. Describe how Power factor is controlled

• 8.5 Are there OPC/ODBC ports available ?

• Other Comments

• Site Manager/ Supervisor

  Sign

• Auditor

  Sign