Potential Induced Degradation Of Solar Cells And Panels

Nevertheless the pid effect does not occur on all or even a majority of solar modules.

Potential induced degradation of solar cells and panels.

Pid causes an accelerated degradation in performance which expands exponentially. Country club rd tucson arizona 85756. This paper is focusing on potential induced degradation pid of wafer based standard p type silicon technology once exposed to external potentials in the field. It is a process which occurs only a few years after installation.

Depending on the technology different types of potential induced degradation pid occur. Pid is an undesirable effect on of some solar modules. Potential induced degradation pid is a potential induced performance degradation in crystalline photovoltaic modules caused by so called stray currents this effect may cause power loss of up to 30 percent. The cause of the harmful leakage currents besides the structure of the solar cell is the voltage of the individual photovoltaic pv modules to the ground.

Depending on the technology different types of potential induced degradation pid occur. Solar panels depending on the leakage current between solar cells and ground has been first addressed by nrel in 2005 1. Potential induced degradation as the name implies can occur when the module s voltage potential and leakage current drive ion mobility within the module between the semiconductor. Winkler solon se am studio 16 12489 berlin germany solon corporation 6950 s.

The effect of hvs on long term stability of solar panels depending on the leakage current between solar cells and ground has been first addressed by nrel in 2005. Potential induced degradation of solar cells and panels. This paper is focusing on pid of wafer based standard p type silicon technology aiming on increasing life. Potential induced degradation of solar cells and panels.

Depending on the technology different types of potential induced degradation pid occur. This paper is focusing. This potential degradation mechanism is not monitored by the typical pv tests listed in iec 61215 2.