TY - RPRT TI - High voltage DC switchgear development for multi-kW space power system: Aerospace technology development of three types of solid state power controllers for 200-1100VDC with current ratings of 25, 50, and 80 amperes with one type utilizing an electromechanical device AU - Billings, W. W. PY - 1981 UR - https://ntrs.nasa.gov/citations/19820005484 ID - 19820005484 ER -