Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Yoshino Kogyosho Co., Ltd.

Masafumi Fujita

Tadashi Tokumasu

Mikio Kakiuchi

Takashi Ueda

Yasuo Kabata

Masanori Arata

Norio Takahashi

Ken Nagakura

Koji Ando

Takahiro Sato

Susumu Nagano

Yoshihiro Taniyama

Masashi Kobayashi

Koji Matsuyama

Toshio Hirano

Atsushi Yamamoto

Hideyuki Nakamura

Kazuma Tsujikawa

Hiroaki Ishizuka

Takashi Miya

Hiroshi Hatano

Mikio Takabatake

Tetsushi Okamoto

Takashi Harakawa

Hitoshi Katayama

Yo Sasaki

Yuichiro Gunji

Fumio Sawa

Masashi Okubo

Hidehito Matsuzaki

Takaaki Hirose

Yuuichiro Gunji

Yoshiyuki Shimoda

Yoshinori Torii

Hirotada Endo

Yoichi Tomoe

Miki Nakamura

According to an embodiment, a field winding interlayer short-circuit monitoring device comprises: an input unit configured to obtain field winding current values and field winding voltage values at a predetermined sampling cycle; a memory configured to store field winding resistance versus current characteristic curves at an abnormal state and a normal state; and a field winding resistance calculator configured to calculate a field winding resistance value by dividing the field winding voltage value by the field winding current; an average value calculator configured to calculate an average resistance value and an average current value by averaging those obtained during a predetermined time interval; and an image data generator configured to generate image data to display a predetermined number of average value data along with the field winding resistance versus current characteristic curves at the normal state and the abnormal state.

Field winding interlayer short-circuit monitoring device and field winding interlayer short-circuit monitoring method

In general, according to one embodiment, there is provided an abnormality detection system of a rotary electrical machine. The system includes a plurality of magnetic flux sensors disposed at intervals on a back of a stator core in a circumferential direction or an axial direction, and configured to detect a magnetic flux, and an abnormality detection apparatus configured to detect an abnormality of the stator core from a predetermined event that appears in a composite signal or a differential signal obtained from signals respectively output from at least two magnetic flux sensors of the plurality of magnetic flux sensors.

Abnormality detection system of rotary electrical machine

According to one embodiment, there is provided an armature winding of a rotating electrical machine, the armature winding being a 3-phase 6 or more even-number pole two-layer wound armature winding. The armature winding includes three or more parallel circuits provided in each phase, an individual coil constituting each of the circuits being connected by wave winding, each circuit being arranged so that phase belts respectively overlap phase belts of 'number of poles/2' in the circuits on both adjacent sides, and the phase belts being arranged at different positions in a circumferential direction in each circuit.

Armature winding of rotating electrical machine, and rotating electrical machine

According to one embodiment, a winding interlayer short-circuit detection apparatus includes a processor configured to perform at least an interlayer short-circuit detecting process to detect, based on a difference between a measurement value of a field current in a field winding of a brushless exciter and a reference value, and based on a difference between a calculated value of an armature reaction voltage induced in the field winding of the brushless exciter and a reference value, a presence or absence of an interlayer short-circuit that may occur in any of the field winding of the brushless exciter, an armature winding of the brushless exciter, and a field winding of a rotary electric machine body.

Winding interlayer short-circuit detection apparatus and winding interlayer short-circuit detection method

According to the embodiment, a field winding interlayer short-circuit detection apparatus comprises: a field winding resistance calculator to calculate, for a field winding of a rotating electrical machine, a field winding resistance calculated value from a detected value of a field winding current and a detected value of a field winding voltage; a determiner to determine presence or absence of an interlayer short-circuit in the field winding by using a comparison result between the field winding resistance calculated value and the reference resistance value.

Field winding interlayer short-circuit detection apparatus and field winding interlayer short-circuit detection method

A stator core support device according to an embodiment includes plural types of support members that support a stator core on a stator frame disposed radially outward. These support members are combined so as to form a closed circuit portion. Then, an insulating part for electrically insulating part of the closed circuit portion is provided.

Stator core support device and rotating electrical machine

According to one embodiment, there is provided a rotating electrical machine coil with a conductor and an insulation layer that is provided around the conductor to cover the conductor, the rotating electrical machine coil including a linear part of the coil and a coil end that is separable from and electrically connectable to the linear part of the coil.

Rotating electrical machine coil

According to one embodiment, there is provided a three-phase even-numbered-pole two-layered armature winding housed in forty five slots per pole provided in a laminated iron core. Coil pieces corresponding to first and second parallel circuits are arranged in the first phase belt, coil pieces corresponding to fourth and fifth parallel circuits are arranged in the second phase belt, coil pieces corresponding to the third parallel circuit are arranged in the first and second phase belts, and the upper coil pieces and the lower coil pieces of each parallel circuit are placed in same-numbered positions from a pole center.

Armature winding of rotating electrical machine

According to one embodiment, there is provided a 3-phase even-numbered-pole 2-layered armature winding housed in 45 slots per pole provided in a laminated iron core. The coil pieces corresponding to first, second, and third parallel circuits are placed in the first phase belt, and the coil pieces corresponding to fourth, fifth, and sixth parallel circuits are placed in the second phase belt. The upper coil pieces and the lower coil pieces of each parallel circuit are mutually placed in identical-numbered positions from a pole center.

According to one embodiment, there is provided a 3-phase even-numbered-pole 2-layered armature winding housed in 45 slots per pole provided in a laminated iron core. In each coil piece group of each phase belt, the coil pieces of the second and fifth parallel circuits are placed in the second positions from the pole center among three positions of coil pieces in corresponding coil piece group. In six or four groups out of ten coil piece groups of each phase belt, coil pieces of the first or fourth parallel circuit are placed in the first position from the pole center. In first and second coil piece groups, coil pieces of the first or fourth parallel circuit are placed in different-numbered positions from the pole center.

A blow-molded container includes a container body having a body portion that forms a square shape in a cross-sectional view orthogonal to a container axis; and in-mold labels, which are integrally glued on outer peripheral surfaces of glued portions, ranging from corner surfaces to respective planar portions continuing on both sides of corner surfaces around the container axis, in body portion. Among front and back surfaces of in-mold labels, multiple recesses are formed over entire back surfaces, which are glued to the outer peripheral surfaces of the glued portions. When tensile elasticity of in-mold labels is E (MPa) and thickness of in-mold labels is t (mm), E&#xd7;tis 0.20 or less. When the radius of curvature of the corner surfaces is R (mm) and angle formed between the planar portions is &#x3b8; (&#xb0;) in a cross-sectional view of the glued portions, R&#xd7;&#x3b8;is 45000 or more.

Blow-molded container with in-mold label and method for manufacturing blow-molded container with in-mold label

A technical problem of this invention is to create in-mold labels that can be adhered to wide areas, including 3D curved areas, of the peripheral wall of a synthetic resin container in a high-grade state without air entrapment and/or wrinkling. A principal means of this invention to solve the technical problem described above is in-mold labels used as an inserted material and adhered to the outer peripheral wall of a container main-body concurrently when the main body is being molded, said labels including an adhesive layer to be adhered to the outer peripheral wall of the container main-body, wherein this adhesive layer has depressed portions on a back surface thereof, the depressed portions being formed by embossing and being disposed in a regular pattern.

In-mold labels and a labeled container

According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel circuits separated into two phase belts. Upper coil pieces of first and fourth parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, and lower coil pieces of the first and fourth parallel circuits are placed at 1st, 6th, 9th, and 10th positions, upper and lower coil pieces of second and fifth parallel circuits are placed at 2nd, 5th, 8th, and 11th positions, and upper coil pieces of third and six parallel circuits are placed at 1st, 6th, 9th, and 10th positions, and lower coil pieces of the third and six parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, from the center of a pole.

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Yokohama, Japan

Masafumi Fujita