摘要:
A method (144) for locating a ground fault in an electrical power distribution system (12) includes providing a plurality of current sensors (14, 16, 17, 18, 20, 22) at a plurality of locations in the electrical power distribution system (12). The method (144) further includes detecting a ground fault in the electrical power distribution system (12). Current is monitored at a plurality of locations in the electrical power distribution system (12) via the current sensors (14, 16, 17, 18, 20, 22) and a test signal is introduced into the electrical power distribution system (12) via a test signal generating device (44). The plurality of locations are monitored (62) to locate the ground fault between a location at which the test signal is detected and a downstream location at which the test signal is not detected.
摘要:
A monolithically integrated semiconductor assembly (100) is presented. The semiconductor assembly includes a substrate (110) including silicon carbide (SiC), and gallium nitride (GaN) semiconductor device (120) is fabricated on the substrate. The semiconductor assembly further includes at least one transient voltage suppressor (TVS) structure (130) fabricated in or on the substrate, wherein the TVS structure is in electrical contact with the GaN semiconductor device. The TVS structure is configured to operate in a punch-through mode, an avalanche mode, or combinations thereof, when an applied voltage across the GaN semiconductor device is greater than a threshold voltage. Methods of making a monolithically integrated semiconductor assembly are also presented.
摘要:
A monolithically integrated semiconductor assembly (100) is presented. The semiconductor assembly includes a substrate (110) including silicon carbide (SiC), and gallium nitride (GaN) semiconductor device (120) is fabricated on the substrate. The semiconductor assembly further includes at least one transient voltage suppressor (TVS) structure (130) fabricated in or on the substrate, wherein the TVS structure is in electrical contact with the GaN semiconductor device. The TVS structure is configured to operate in a punch-through mode, an avalanche mode, or combinations thereof, when an applied voltage across the GaN semiconductor device is greater than a threshold voltage. Methods of making a monolithically integrated semiconductor assembly are also presented.
摘要:
A method of operating a wind farm (102) that includes a plurality of wind turbine generators (WTGs) (103) includes generating wind turbine generator (WTG) availability data (210) for each WTG. The method also includes generating wide-area meteorological data (126) for a first geographical region. The method further includes generating narrow-area meteorological forecast data for a second geographical region by transmitting at least a portion of the wide-area meteorological data to at least one resident narrow-area meteorological forecast algorithm. The first geographical region includes at least a portion of the second geographical region. The method also includes generating electric power production forecast data by using at least one resident electric power production forecast algorithm to manipulate the WTG availability data and the narrow-area meteorological forecast data.