#### Filter Results:

- Full text PDF available (15)

#### Publication Year

1979

2018

- This year (4)
- Last 5 years (37)
- Last 10 years (47)

#### Publication Type

#### Co-author

#### Journals and Conferences

Learn More

- Kenneth J. Sauer, Thomas Roessler, Clifford W. Hansen
- IEEE Journal of Photovoltaics
- 2015

In order to reliably simulate the energy yield of photovoltaic (PV) systems, it is necessary to have an accurate model of how the PV modules perform with respect to irradiance and cell temperature.â€¦ (More)

- Clifford W. Hansen
- 2013 IEEE 39th Photovoltaic Specialistsâ€¦
- 2013

Many popular models for photovoltaic system performance (e.g., [1], [2]) employ a single diode model (e.g., [3]) to compute the IV curve for a module or string of modules for given irradiance andâ€¦ (More)

- Joshua S. Stein, William F. Holmgren, Jessica Forbess, Clifford W. Hansen
- 2016 IEEE 43rd Photovoltaic Specialistsâ€¦
- 2016

PVLIB is a set of open source modeling functions that allow users to simulate most aspects of PV system performance. The functions, in Matlab and Python, are freely available under a BSD 3 clauseâ€¦ (More)

Many popular models for photovoltaic system performance employ a single diode model to compute the I-V curve for a module or string of modules at given irradiance and temperature conditions. A singleâ€¦ (More)

We present a simple algorithm for identifying periods of time with broadband GHI similar to that occurring during clear sky conditions from a time series of global horizontal irradiance (GHI)â€¦ (More)

- Matthew Lave, William Hayes, Andrew A. Pohl, Clifford W. Hansen
- IEEE Journal of Photovoltaics
- 2015

We report an evaluation of the accuracy of combinations of models that estimate plane-of-array (POA) irradiance from measured global horizontal irradiance (GHI). This estimation involves two steps:â€¦ (More)

Variability of photovoltaic (PV) power output is a potential concern to utilities because it can lead to voltage changes on the distribution system and have other adverse impacts on power qualityâ€¦ (More)

- Clifford W. Hansen, D. M. Riley, Maria Jaramillo
- 2012 38th IEEE Photovoltaic Specialistsâ€¦
- 2012

The Sandia Array Performance Model (SAPM) describes the DC output of a PV module under a range of irradiance and temperature conditions. Coefficients for SAPM are normally obtained through a sequenceâ€¦ (More)

This study examines the accuracy and value of three different PV module performance modeling approaches by calibrating selected performance models to outdoor IV data measured on different moduleâ€¦ (More)

- Katherine A. Klise, Clifford W. Hansen, Joshua S. Stein
- 2015 IEEE 42nd Photovoltaic Specialist Conferenceâ€¦
- 2015

Air mass modifiers are frequently used to represent the effects of solar spectrum on PV module current. Existing PV module performance models assume a single empirical expression, a polynomial in airâ€¦ (More)