PVV: Photo Voltaic Installations Safety/Quality (ADK: D-5/712) – Presentation PDF on 30 + pages Evaluating safety and quality of the photo-voltaic systems. The parameters of the panels and the strings, quality and degradation parameters, measuring methods assuring of the safety conditions and protection against electrical shock.
PVV – Presentation PDF: Photo Voltaic Installations Safety/Quality
10,50 €
Description
Practical Knowledge with Measuring Methods and Procedures
Inspections, Tests & Measurements
- Type of Voltage System
- Type of Earthing system
- Visual Inspection
- Fault Conditions and permissible touch voltage evaluation:
- Line to ground case situations
- RCD protection type B
- Automatic trip-out evaluation
- Short-Circuit Currents
- Fuse characteristics evaluation
- Continuity and Equalization Testing
- Earthing and Grounding Measuring Methods:
- Earth Resistance Measurement 2/3/4 wire test method
- Ground loops testing with 2 clamps method
- SPD protection testing
- Insulation Resistance Measurement
- Leakage current testing
- Basic parameters evaluation
- Isc short circuit current
- Uop open loop voltage
- Insulation Roc +, Roc -, Rsc
- STC measurement and quality evaluation
- Panel characteristic
- String characteristic
- Invertor measurement
- MPP maximal power point tracker
- Power on DC string compared with AC output
- Efficiency on single 1f invertor
Evaluation of Results
- Find the PASS / FAIL / LIMIT values
- Compare results to the limit
- Bring the decision
Act and Inform Appropriately
- Report the results
- Mark the equipment accordingly
- Enabling of further use when PASS
- Rejecting the usage when FAIL
- Inform and transfer the responsibility
Troubleshooting and Maintenance
- Work close to energized objects
- Voltage presence Checking
- Leakage Current AC or DC
- Earth Bonding and Main protection evaluation
- Find Faults and potential dangerous
