HV design of vacuum-insulated power supplies for space applications

Space vacuum is considered as an insulation component to achieve constructional and operational advantages over totally enclosed designs for the increasing demand for higher levels of electrical power and voltages in spaceborne electrical systems. The dielectric properties of space vacuum insulations are determined mainly by the space environment and local contaminations of the spacecraft structure. Specific aspects of the insulation, such as temperature, pressure, radiation, charged particle flux, outgassing products, and effluents, are discussed.>