K. Hoffman

Improved power system performance using inverter based resonant switched compensators

Gerard Ledwich, K. Hoffman, G. Ledwich, 1994, Proceedings of 1994 Power Electronics Specialist Conference - PESC'94.

Fast compensation by a pulsed resonant current source active power filter

Gerard Ledwich, K. Hoffman, G. Ledwich, 1993, Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics.

Lightweight flexible rooftop PV module

Stanford R. Ovshinsky, Masatsugu Izu, Herbert C. Ovshinsky, 1994, Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC).

Amorphous Silicon Alloy Photovoltaic Technology - from R&D to Production

Stanford R. Ovshinsky, Masatsugu Izu, Xunming Deng, 1994 .

Characteristics of hydrogenated amorphous silicon alloy solar cells on a Lambertian back reflector

Subhendu Guha, K. Hoffman, S. Guha, 1994 .

Progress in triple-junction amorphous silicon-based alloy solar cells and modules using hydrogen dilution

Subhendu Guha, K. Hoffman, T. Glatfelter, 1994, Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and PSEC).

Triple-junction amorphous silicon alloy PV manufacturing plant of 5 MW annual capacity

S. Guha, J. Call, K. Hoffman, 1997, Conference Record of the Twenty Sixth IEEE Photovoltaic Specialists Conference - 1997.

Experimental study of p layers in ‘‘tunnel’’ junctions for high efficiency amorphous silicon alloy multijunction solar cells and modules

Subhendu Guha, K. Hoffman, T. Glatfelter, 1994 .