Abstract: A cradle apparatus configured to detachably support an ultrasound diagnostic apparatus, the cradle apparatus including: a base portion configured to support a bottom portion of the ultrasound diagnostic apparatus; a back supporting portion extending from the base portion along an attaching/detaching direction of the ultrasound diagnostic apparatus, the back supporting portion being configured to support a back portion of the ultrasound diagnostic apparatus on a side opposite to a front portion of the ultrasound diagnostic apparatus, the front portion being provided with a display device; and a guide disposed in the back supporting portion and configured to be fitted with a rail provided in the back portion of the ultrasound diagnostic apparatus so as to allow the ultrasound diagnostic apparatus to slide along the attaching/detaching direction.

Abstract: An ultrasound diagnostic apparatus, including: an ultrasound diagnostic apparatus main body which transmits a drive signal to an ultrasound probe that transmits and receives ultrasound waves, and which generates an ultrasound image based on a received signal that is obtained from the ultrasound probe; and a battery unit which is externally attached to the ultrasound diagnostic apparatus main body and supplies electric power to the ultrasound diagnostic apparatus main body, wherein the battery unit includes: a battery housing which is made of resin and contains a battery therein; an electrical connector for connection to the ultrasound diagnostic apparatus main body, the electrical connector being fixed to the battery housing; and a conductive member which is arranged between the battery and an inner wall of the battery housing, and the conductive member is grounded to the ultrasound diagnostic apparatus main body.

Abstract: An ultrasonic probe holder which holds and houses an ultrasonic probe including a head including an output surface which outputs ultrasonic waves and a grip extending from the head includes: a bottom that includes a first opening having a size such that the head and the grip of the ultrasonic probe do not pass therethrough; and a tube that extends from the bottom and includes a second opening having a size such that the head and the grip of the ultrasonic probe pass therethrough at an extended end and a slit connected to the second opening and the first opening on the bottom.

Abstract: A cradle apparatus configured to detachably support an ultrasound diagnostic apparatus, the cradle apparatus including: a base portion configured to support a bottom portion of the ultrasound diagnostic apparatus; a back supporting portion extending from the base portion along an attaching/detaching direction of the ultrasound diagnostic apparatus, the back supporting portion being configured to support a back portion of the ultrasound diagnostic apparatus on a side opposite to a front portion of the ultrasound diagnostic apparatus, the front portion being provided with a display device; and a guide disposed in the back supporting portion and configured to be fitted with a rail provided in the back portion of the ultrasound diagnostic apparatus so as to allow the ultrasound diagnostic apparatus to slide along the attaching/detaching direction.

Abstract: A power generation system is provided in which, when a static frequency converter (SFC) is connected to synchronous generator's armature windings, an AC exciter performs AC excitation by allowing a d-axis winding and a q-axis winding of the AC exciter to configure d-q orthogonal axes; and, at the time of steady-state operation of the synchronous generator, an alternating current(s) supplied from an electric power source is rectified by a thyristor excitation device, and also the AC exciter thereby performs DC excitation by connecting the d-axis winding and the q-axis winding in series with each other.

Abstract: A power generation system is provided in which, when a static frequency converter (SFC) is connected to synchronous generator's armature windings, an AC exciter performs AC excitation by allowing a d-axis winding and a q-axis winding of the AC exciter to configure d-q orthogonal axes; and, at the time of steady-state operation of the synchronous generator, an alternating current(s) supplied from an electric power source is rectified by a thyristor excitation device, and also the AC exciter thereby performs DC excitation by connecting the d-axis winding and the q-axis winding in series with each other.

Abstract: As an arrangement to reduce an operational force to draw the drawer 3 forward from the drawer storage position 2, wherein at least a rear end side of a drawer 3 is supported in a drawer storage portion 2 in a manner movable along back and forth and a front end 3b side thereof is supported in a manner movable along back and forth by a floor F at least through a rolling supporting body, the rolling supporting body adopts a free motion rotating body 12 whose upper end 12b makes an abutting contact with a downward facing surface 3a of the drawer 3 and whose bottom end 12a contacts the floor F and the free motion rotating body 12 supports the front end 3b side of the drawer 3 with making a rolling movement at a half traveling speed of the drawer 3.

Abstract: As an arrangement to reduce an operational force to draw the drawer 3 forward from the drawer storage position 2, wherein at least a rear end side of a drawer 3 is supported in a drawer storage portion 2 in a manner movable along back and forth and a front end 3b side thereof is supported in a manner movable along back and forth by a floor F at least through a rolling supporting body, the rolling supporting body adopts a free motion rotating body 12 whose upper end 12b makes an abutting contact with a downward facing surface 3a of the drawer 3 and whose bottom end 12a contacts the floor F and the free motion rotating body 12 supports the front end 3b side of the drawer 3 with making a rolling movement at a half traveling speed of the drawer 3.

Abstract: An excitation controller controls excitation of a synchronous machine, which is connected to a power transmission system through a transformer, so that a high-side voltage of the transformer is maintained at a target voltage with high accuracy. An output terminal target voltage of the synchronous machine is set to precisely compensate for a voltage drop in the transformer, corresponding to the transformer phase angle variation. To achieve this result, the excitation controller detects an output terminal voltage and an output current of the synchronous machine and calculates active and reactive currents of the output current, sets the output terminal target voltage of the synchronous machine from the active and reactive currents, the high-side voltage of the transformer, and the reactance of the transformer, and controls excitation of the synchronous machine to compensate for the voltage drop in the transformer corresponding to phase angle variation of the transformer.

Abstract: An excitation controller for a synchronous machine includes a voltage detector for detecting an output terminal voltage of the synchronous machine connected to a transmission system through a transformer; a current detector for detecting a current outputted by the synchronous machine; a module type high side voltage control apparatus for operating arithmetically on a reactive current value on the basis of output from the voltage detector and the current detector, operating arithmetically on a high side voltage value from the reactive current value thus arithmetically operated on and a reactance of the transformer, and outputting a correction signal based on a deviation between the high side voltage value thus arithmetically operated on and a voltage setting value; an automatic voltage regulator, having a voltage setter, for outputting a command which is obtained by adding the correction signal to a voltage setting value provided by the voltage setter; and an exciter for carrying out field control of the synch

Abstract: An excitation controller controls excitation of a synchronous machine which is connected to a power transmission system through a transformer in such a way that a high-side voltage of the transformer is maintained at its target voltage with high accuracy by setting an output terminal target voltage of the synchronous machine to precisely compensate for a voltage drop in the transformer corresponding to its phase angle variation. To achieve this, the excitation controller detects an output terminal voltage and an output current of the synchronous machine and calculates active and reactive currents of the output current, sets the output terminal target voltage of the synchronous machine from the active and reactive currents, the high-side voltage of the transformer and the reactance of the transformer, and controls excitation of the synchronous machine to compensate for the voltage drop in the transformer corresponding to its phase angle variation.

Abstract: An excitation controller for a synchronous machine includes: a voltage detector for detecting an output terminal voltage of the synchronous machine connected to a transmission system through a transformer; a current detector for detecting a current outputted by the synchronous machine; a module type HSVC apparatus for operating arithmetically a reactive current value on the basis of output from the voltage detector and the current detector, operating arithmetically a high side voltage value from the reactive current value thus arithmetically operated and a reactance of the transformer and outputting a correction signal based on a deviation between the high side voltage value thus arithmetically operated and a voltage setting value; an automatic voltage regulator, having a voltage setter, for outputting a command which is obtained by adding the correction signal to a voltage setting value provided by the voltage setter; and an exciter for carrying out field control of the synchronous machine on the basis of th