Workshop Program


On October 23, 2011 we offer a series of tutorials. Please note that the registration for the tutorials will be different from the workshop registration. If you would like to participate in both the tutorials and the workshop you will have to register in two different ways.

Modelling, diagnostics, and monitoring for PV arrays

1 h (Dezso Sera)
14:00 - 15:00
  1. Modelling
    • PV cell models
    • Effects of environmental conditions
    • Model parameter determination
    • System modelling (series/parallel connection of cells)
    • Application - PV simulator
  2. Diagnostics and characterisation
    • IV curve measurement
    • Main failure types and their effects on the IV curve
    • Series resistance measurement
    • Temperature measurement
    • Partial shadowing detection
  3. Monitoring
    • Purpose
    • Structures and main methods
    • PV plant monitoring examples

PV inverter structures, topologies, and control

1 h (Tamas Kerekes)
15:00 - 16:00
  1. PV inverter structures
    • Central, String, Module
    • Structures
    • Advantages, disadvantages
  2. PV inverter topologies and modulation
    • Galvanic isolation
    • H-Bridge, HERIC, H5, NPC, etc.
    • PWM techniques
  3. PV inverter control
    • Basic function
    • PV specific
    • Ancillary service
Break: 30 minutes

Grid Requirements for PV Systems and Grid Interactive PV Inverters

1.5 h (Remus Teodorescu)
16:30 - 18:00
  1. Grid Requirements for PV Systems
    • LV grid interface international regulations
      • IEEE 1547, IEC61727, VDE0126, Forum Netztechnik / Netzbetrieb im VDE (FNN)
    • MV (DS) Grid Codes for PV (LVRT, grid support, etc.)
      • Spanish Grid Code O.P.12.2 (2008)
      • EON
    • EMI/EMC
      • EN61000-3-2, EN61000-3-3, EN61000-3-12, EN61000-6-1, EN61000-6-2, EN61000-6-3, EN61000-6-4
    • Anti-Islanding requirements
      • IEEE 1547, VDE0126, IEC62116, IEC61727
      • AI methods
  2. Grid Interactive PV Inverters
    • Grid disturbances generated by PV inverters
      • Voltage rise, harmonics, unbalance, dc injection, sags, flickers
    • Voltage rise problem in rural and suburban networks
      • Voltage support methods based on P and Q, max. installed PV in a feeder
    • Control methods for voltage harmonics compensations
      • Active power filters
    • Control methods for voltage unbalance compensations
      • P sharing among phases, negative sequence Q injection
    • Control methods for LVRT
      • DC voltage control under grid faults, reactive current injection
    • Control methods for grid frequency
      • Synthetic inertia, primary control, secondary control
    • Control methods for power oscillation damping
      • PSS, modal analysis, control using P or Q