Openshaw & Co

Embodiments of the disclosure provide an integrated power distribution apparatus and a power distribution cabinet. The integrated power distribution apparatus includes: a rack (1) including a receiving cavity (11) formed in the rack (1) and adapted to extend from an operation side of the rack (1) toward a wiring side of the rack (1); a plurality of functional modules (2) arranged in the receiving cavity (11 and coupled to the rack (1), and the plurality of functional modules (2) being arranged in an arrangement direction; a busbar (3) arranged on the wiring side of the rack (1) and coupled to and electrically connected to the plurality of functional modules (2); and a communication bar (4) arranged on the wiring side of the rack (1) and coupled to the plurality of functional modules (2).

A common-mode voltage cancellation (CMVC) circuit and method of forming is disclosed. The CMVC circuit (130), (230), (330), (430), (530), (630) includes a set of input lines (113) configured to receive a respective input phase voltage (VA1), (VB1), (VC1), each respective input phase voltage (VA1), (VB1), (VC1) including a common-mode voltage component (Vcm), and a set of output lines (114) configured to provide a respective output phase voltage (VA3), (VB3), (VC3). The CMVC circuit (130), (230), (330), (430), (530), (630) also includes a set of first capacitors (250) electrically coupled between a respective input line (113) and a node (231), and a coupled inductor (220), having a primary winding (221) and at least one secondary winding (222a), (222b), (222c), the at least one secondary winding (222a), (222b), (222c) electrically coupled in series between a respective input line (113) and a respective output line (114). A first resistor (261) and the primary winding (221) are electrically coupled in series between the node (231) and an electrical ground (202).

Described herein are compositions, and more particularly to alloy compositions and articles formed with the alloy compositions. The alloy compositions are broadly applicable in applications requiring alloys with at least one of improved hardness stability, improved Charpy performance, and improved creep strength at higher operating temperatures.

A dual-power transfer switch (100) includes a support (10), an opening and closing mechanism (20), and a buffer mechanism (40). The opening and closing mechanism (20) includes a driving member (21) and a pivot shaft (22). The driving member (21) is provided with a first hole (211). The pivot shaft (22) is sleeved in the first hole (211) and non-rotatably engaged with the first hole (211). The pivot shaft (22) is pivotally connected to the support (10) to allow the driving member (21) to perform a closing rotation or an opening rotation around an axis of the pivot shaft (22). The buffer mechanism (40) includes a flywheel (42) and a one-way bearing (41). The flywheel (42) is sleeved on the pivot shaft (22) via the one-way bearing (41). The one-way bearing (41) is configured to allow the flywheel (42) to rotate along with the pivot shaft (22) when the driving member (21) performs the closing rotation.

The disclosure provides a system and method for separation and use of oxygen from flue gas, e.g., from a gas turbine (GT) engine (100). A system according to the disclosure includes an oxygen separator(128) downstream from a gas turbine (GT) engine. The oxygen separator is configured to separate a flue gas from the GT engine into an oxygen rich stream and an oxygen reduced stream. A first conduit (130) is coupled to the oxygen separator and configured to transmit the separated oxygen rich stream to a power plant component (136).

Alloys, bond coatings formed from the alloys, and components including the alloys are disclosed. The alloys can include between approximately 20 atomic percent and approximately 30 atomic percent titanium (Ti), between approximately 35 atomic percent and approximately 55 atomic percent aluminum (Al), and a balance of niobium (Nb). Additionally, or alternatively, the alloys can include between approximately 1 atomic percent and approximately 10 atomic percent molybdenum (Mo), between approximately 1 atomic percent and approximately 7 atomic percent chromium (Cr), between approximately 1 atomic percent and approximately 20 atomic percent silicon (Si) and/or between approximately 1 atomic percent and approximately 5 atomic percent hafnium (Hf).

An airfoil for a gas turbine engine (10) includes a leading edge (220), a trailing edge (225), a pressure sidewall (210) extending between the leading edge (220) and the trailing edge (225), a suction sidewall (215) opposite the pressure sidewall (210) and extending between the leading edge (220) and the trailing edge (225), and a flared portion (303, 403, 503, 603, 703, 803, 903) extending from the suction sidewall (215). The flared portion (303, 403, 503, 603, 703, 803, 903) extends from a flare lead point (310) towards the trailing edge (225). The flare lead point (310) is downstream of a throat point (313) on the suction sidewall (215). The throat point (313) is at a minimum distance between the suction sidewall (215) of the airfoil and another pressure sidewall (210) of an adjacent airfoil.

An electrical switch (100) includes: a stationary contact assembly (1) including a stationary contact (11); a moving contact assembly (2) switchable between closed and open positions relative to the stationary contact assembly (1), and including a moving contact (21); an arc extinguishing chamber (3) including first and second groups of arc extinguishing grids (31,32), the first group of arc extinguishing grids (31) being closer to the stationary contact (11) than the second group of arc extinguishing grids (32), adjacent arc extinguishing grids in the respective first and second groups of arc extinguishing grids (31,32) being spaced apart from each other; and a pair of arc striking pieces (4), a first arc striking piece (41) being adjacent to the stationary contact (11), and a second arc striking piece (42) being adjacent to the moving contact (21) when the moving contact assembly (2) is in the open position, where the first and the second group of arc extinguishing grids (31,32) are arranged between the pair of arc striking pieces (4).

To appropriately preserve a log (history) of processing executed inside a device even when an error occurs in a system. Provided is an information processing apparatus including: a system memory configured to temporarily store a program of a system; a processor configured to execute system processing by the program stored in the system memory; and a device that includes a controller and an internal memory inside the device and configured to store a history of processing executed inside the device in a ring buffer area as history information, the ring buffer area being a part of the internal memory, in which when detecting occurrence of an error in which the system processing is not able to be normally continued, the processor acquires the history information stored in the ring buffer area in the device from the device, and stores the history information in the system memory.

An airfoil (154) for an aircraft engine (100) includes a blade body (194) and a leading edge protector (225) operably coupled to the blade body (194). The leading edge protector (225) includes a preformed sheet (220) defining a nose portion (222) and two flange portions (224). The nose portion (222) and the flange portions (224) are arranged in the chordwise direction. The preformed sheet (220) further defines a defined point (230) located on the nose portion (222). An X-axis and a Y-axis are defined relative to the defined point (230). A deposit (232) is operably coupled with the nose portion (222) of the preformed sheet (220) and extends from the nose portion (222) along the flange portions (224) on opposing sides of the defined point (230) in the X-axis direction.