195results about "Power supply line details" patented technology

A method of controlling a neutral section operation of a train (14) including a lead locomotive (16) and at least one remote locomotive (12) in communication with the lead locomotive. The locomotives are electrically powered from respective electrical connections to a catenary (22) having at least one neutral section (26). The method includes sensing when a lead locomotive is proximate the neutral section of the catenary. The lead locomotive then commands the remote locomotive to perform a neutral section operation when the lead locomotive has traveled a distance equal to a distance (20) between the lead locomotive and the remote locomotive. The lead locomotive determines when to issue a neutral section command based on a speed of the lead locomotive and an elapsed time from when the lead locomotive senses its location proximate the neutral section.

A third rail power insulating system, comprising an insulator assembly and a cover board assembly. The insulator assembly comprises pedestal supporting insulators that are mounted onto a contact rail assembly. The insulator assembly further comprises an insulator anchor bolt assembly, a base shim plate, a bolt assembly, a lubricating shim, and retaining clips. The cover board assembly is also mounted onto the contact rail assembly and it comprises a support bracket assembly, retaining clips, a side cover board, and a top cover board. The support bracket assembly has a general C-shape and comprises a lateral wall, a top wall, a base wall, and a protrusion. The side cover board comprises an elongated plate having at least one hole, and the top cover board comprises an elongated plate having sufficient curvature to contour the support bracket assembly.

A device and process for cleaning electrical insulators mounted under an electrified contact rail parallel to a rail track comprises positioning arm(s) attached to a vehicle that travels on the track and a cleaning station with fixed or moveable fingers. The fingers have attached cleaning tools and engage, operate on, partly rotate around the circumference of the insulator, and disengage, as the vehicle passes by the insulator. The cleaning station can also ride on the contact rail and have moveable vertical members with cleaning tools attached to L-shaped tool holders that rotate around a portion of the circumference of the insulator. Cleaning tools include powered rotating, reciprocating, vibrating, oscillating and / or linear brushes, wrap-around cleaning belts, sonic horns, ultrasonic vibrating guns, lasers, pressure washing and / or water jetting nozzles on stationary, rotating or oscillating spray bars and spinning heads using steam, tap or deionized water, and pneumatic polishing nozzles.

An electrical vehicle transportation system that includes a powered roadway system having electrically conductive roadway segments that are engageable to a roadway surface, and an electrical vehicle having a control system and an energy harvesting system, the vehicle control system being programmed to energize roadway segments disposed within a defined vehicle envelope and de-energize the roadway segments prior to transitioning outside of the vehicle envelope when the vehicle is traversing the roadway.

The invention relates to an alternating current and direct current mixed traction power supply system with an ice melting function. The alternating current and direct current mixed traction power supply system comprises an alternating current power supply assembly, a direct current power supply assembly and a discharging coil, wherein the alternating current power supply assembly is used for realizing alternating current power supply, a traction transformer of the alternating current power supply assembly is connected into a traction power supply net through a first circuit breaker, the traction transformer outputs alternating current after the voltage reduction and is connected with the traction net through an alternating current feeder switch, the direct current power supply assembly is used for realizing direct current power supply, a rectifying transformer of the direct current power supply assembly is connected into a traction power supply net through a second circuit breaker, the rectifying transformer is subjected to voltage reduction and outputs direct current after being rectified via a rectifier, one path is connected with the traction net through the direct current feeder switch, the other path is connected with the traction net through a double-electrode high-voltage isolation switch, in addition, a high-voltage isolation switch used for realizing short circuit on a traction net uplink and a traction net downlink is arranged at the tail end of a section post line, and the traction net uplink and the traction net downlink form a ice melting loop; the discharging coil is arranged at the positive bus end of the output side of the direct current feeder switch and is provided with a high-voltage switch. The alternating current and direct current mixed traction power supply system has the advantages that the principles are simple, the function integrality is high, the operation is safe and reliable, and the like.

A switching electromagnetic moving system is comprised of at least one track and at least one moving body located on the track. The track is comprised of a power buss, at least two track sections and a controller. Each track section has a contact surface and comprises electrically connected coil windings spaced apart in a series way to form a multi-phase linear stator. Each track section has a switch and at least one sensor to detect the position of the moving body on the track. For each track section the sensor of the preceding track section relative to the direction of travel of the moving body controls the switch to power on and the sensor of the subsequent track section controls the switch to power off.

A method of controlling a neutral section operation of a train (14) including a lead locomotive (16) and at least one remote locomotive (12) in communication with the lead locomotive. The locomotives are electrically powered from respective electrical connections to a catenary (22) having at least one neutral section (26). The method includes sensing when a lead locomotive is proximate the neutral section of the catenary. The lead locomotive then commands the remote locomotive to perform a neutral section operation when the lead locomotive has traveled a distance equal to a distance (20) between the lead locomotive and the remote locomotive. The lead locomotive determines when to issue a neutral section command based on a speed of the lead locomotive and an elapsed time from when the lead locomotive senses its location proximate the neutral section.

A power transport apparatus for transporting electric power to an electric vehicle on the road is provided. The apparatus includes a plurality of power supply units provided at a road in a longitudinal direction of the road, one or more of the power supply units simultaneously transporting the electric power to the electric vehicle; and a power line supplying the electric power to the respective power supply units.

The present invention relates to an insulated barrier preventing wildlife from simultaneously contacting an electrically energized and an electrically grounded surface, comprising: electrically insulated radially and axially extending members forming an hexagonal web having a first hexagonal rib that defines an opening offset from the geometric center of the barrier; and an insertion slot extending from an outer portion of said barrier to the offset opening for movement of said barrier onto electrical equipment utilizing and installation grip area for engagement with a gripping portion of an installation tool.

Disclosed is a method and apparatus for charging electrically powered devices. In accordance with the invention, the device is powered by two storage devices. One storage device is capable of receiving a substantial charge very rapidly while the other storage device requires a longer time to receive a charge. The advantage is that the powered device can be used almost instantly and continually while at the same time rebuilding electrical charge.

An induction line cover includes a cylinder-shaped section into which an induction line can be fitted, plate-shaped sections continuously connected outwardly from a pair of ends created by cutting a slit longitudinally in the cylinder-shaped section at a circumferential position of the cylinder-shaped section, and engaging sections formed adjacent outer faces of the plate-shaped sections and being engageable toward the movement track. A cover joining member for connecting the induction line cover has a receiving section which can receive the engaging sections, and is configured to be accommodated within the extent of the outer diameter of the cylinder-shaped section when the engaging sections are engaged toward the movement track. By this, connection between induction line covers can be performed firmly with stability using the cover joining member, and sufficient clearance can be secured between the cover joining member and a pickup coil.

A charging module for an electric vehicle includes an enclosure having a plurality of sides and an at least partially open top, the enclosure defining a hollow interior; a conductor rail disposed in the at least partially open top of the enclosure, the conductor rail being configured to be placed in electric communication with an electrical power source; and at least one external insulator disposed in the at least partially open top of the enclosure adjacent to the conductor rail. The at least one external insulator is disposed between the conductor rail and at least one of the sides of the enclosure. The conductor rail is configured to transmit electrical energy from the electrical power source to the electric vehicle.

Designs introduced to three sectors that relate to the distribution network and support structures for delivering energy and utilities services to buildings, distributed renewable energy generation and its supply to electrical vehicles, and public transportation including roadway services and mass transportation infrastructure, including the application of aerially supported utilities whereby the implementation and distribution of utility and municipal services are now integrated with the objective of a more efficient installation, maintenance and operation. Disclosed is an aerial modular support system that can accommodate all categories of utility services whether handling fluids, solids, energy or digital signals. An electrified roadway power distribution for vehicles, an electrified train in a semi-continuous tunnel and a solar energy collector used to provide electricity and to protect roadways are also disclosed.

Disclosed is a method and apparatus for charging electrically powered devices. In accordance with the invention, the device is powered by two storage devices. One storage device is capable of receiving a substantial charge very rapidly while the other storage device requires a longer time to receive a charge. The advantage is that the powered device can be used almost instantly and continually while at the same time rebuilding electrical charge.

A ground power supply line for electric traction vehicles is provided with two conductors carried by a series of tiles aligned to one another; each tile has a conductive plate and a lower supporting structure, which is made of insulating material and accommodates electric connectors, normally open switches, and a control and command unit, which switches the switches for selectively electrically connecting the conductive plate to the conductors in response to a signal deriving from an electric traction vehicle passing over said external conductive plate; the upper surface of the conductive plates is flushed with the remaining part of a road surface.

The invention discloses a ground-based electric power supply system (1) for a transportation vehicle (T) and the system includes: a transportation vehicle (T), a plurality of elements (4) emitting an electromagnetic field in order to power the transportation vehicle (T) by induction, the emitting elements (4) being positioned and spaced apart from each other along the circulation track of the transportation vehicle (T), a device (5) for receiving the energy emitted by the plurality of emitting elements (4), borne by the transport vehicle (T), means (6) for electrically powering the plurality of emitting elements (4) selectively, the means (6) being laid out so as to electrically power at least one emitting element (4) when the vehicle (T) is located above said at least one emitting element (4), characterized in that the length (L) of the receiving device (5) measured in the direction of circulation of the vehicle, is greater than the distance (D) which separates two consecutive emitting elements (4) along the circulation track.

A cover assembly includes a support bracket from which a cover board is selectively suspended. The support bracket is itself mounted to a third rail or contact rail by a clip which cooperates with the bracket. The cover board is held in place on the bracket by an upper flange which has a tapered or V-shaped front wall, as well as a tapered bottom wall. A flag holder, which can be selectively attached to the bracket, includes a first section with an engaging member that cooperates with an engaging member located on the support bracket, a center section including a through bore for holding a flagstaff of a safety flag and a second end section. The second end section is adapted to attach the flag holder to a different type of cover board support bracket.

A cable for hybrid vehicle includes the cable core and the outer insulation layer, as well as shielding layer, isolation layer and protection layer out of the insulation layer in order. The cable core is composed by electric conducting units kinked together, each of the units is composed by kinked wires. The cable is capable of bearing 125oC for long term and 250oC for short term.

The present invention provides a gantry type movable catenary system at railway crossing having a simple and reliable structure, which can be applied to a conventional railway crossing as well as to a new railway crossing, and at the same time is improved such that service and maintenance are easy. The gantry type movable catenary system according to the present invention comprises: a pair of auxiliary rails 110 with a fixed length installed in parallel with railway rails 10 from the right and left outsides of the railway rails at the crossing; a frame structure of which a lower end is installed on the auxiliary rail, the frame structure being connected with a drive motor 130 to be reciprocally movable on the auxiliary rail; a movable contact wire 160 with a certain length connected via an insulator 152 On top of the frame structure and installed to parallel to a catenary wire 20; and a control unit which controls driving of the drive motor to operate the positioning of the frame structure, wherein, from a first power connecting section 21 of the catenary wire 20, a second power connecting section 161 of the both ends of the movable contact wire 160 is connected or disconnected depending on reciprocal movement of the frame structure, thus supplying or disconnecting electric power.

A system for wireless power transfer of on-road vehicles is provided herein. The system includes a plurality of base stations; a power transmission line located beneath a surface of a road having a plurality of segments, each segment having at least one pair of coils and at least one capacitor electrically connected via a switch to the coils in the segment; and at least one vehicle having at least one power receiving segment having at least two coils, connected to at least one capacitor, wherein the at least one vehicle further includes a communication transmitter configured to transmit a power requesting signal, wherein the coils of the power transmitting segment are configured to receive the power requesting signal; and wherein each of the base stations is further configured to feed a plurality of the power transmitting segments with current at a resonance frequency, responsive to the power requesting signal.

The present invention provides a train neutral-section passing control method and device. The train neutral-section passing control method comprises: acquiring the current running position of a train; comparing the running position with the data of the pre-stored neutral section position to determine whether the distance between the train and the first neutral section into which the train is about to go is less than the preset threshold; and unloading the train if the distance between the train and the first neutral section into which the train is about to go is less than the preset threshold. By applying the train neutral-section passing control method, the accurate time point at which the train starts the neutral-section passing control is obtained, and thus the safety and stability of neutral-section passing of the train are enhanced.

A process for cleaning electrical insulators supporting a contact rail parallel to a rail track comprises moving a vehicle having cleaning stations with cleaning tools (such as water jets) mounted on them, along a rail track adjacent to a parallel contact rail supported by electrical insulators, said cleaning stations being mounted on a positioning arm(s); positioning cleaning tools in proximity to an electrical insulator, while the cleaning stations rotate around at least a portion of the circumference of the insulator; energizing the cleaning tools; disengaging the cleaning tools from the insulator; and returning the cleaning station to the engagement position.

The invention discloses a method for acquiring the traction current disturbing amount during arc burning of a bow net, and an arc burning detection device, and relates to the technical field of overhead line detection. The technical key points are as follows: the method comprises the steps of acquiring a train traction current signal and an arc-burning electrical signal of the bow net simultaneously, and removing a trend term from the traction current signal; carrying out windowing on detrended traction current information, and calculating the wavelet packet singular entropy value of the current signal in each time window; dividing the time into three stages before and after the arc burning during the arc burning according to the arc-burning electrical signal of the bow net; calculating the mean value of the wavelet packet singular entropy values of all time frames; averaging the entropy values before and after the arc-burning to obtain a reference value; and calculating the change of the mean entropy value during the arc burning relative to a reference value to obtain the disturbance amount of the traction current during the arc burning, and the like.

A transportation system includes a vehicle having wings, a propulsion system, a lifting gear coupling the vehicle to an undercarriage, and a guidance assembly movably connecting the undercarriage to guide rails. The wings generate aerodynamic lift when the vehicle exceeds a first speed. The lifting gear supports a load of the vehicle in a first position in relation to the undercarriage when the vehicle travels at less than the first speed, allows the vehicle to lift to a second position in relation to the undercarriage as the vehicle accelerates beyond the first speed, and maintains the vehicle in the second position when the vehicle exceeds the first speed. The guidance assembly shiftingly engages the guide rails through rollers that are in rolling contact with the guide rails when the vehicle is in the first position and are displaced from the guide rails when the vehicle is in the second position.

The embodiment of the invention discloses a processing method for an ATP automatically passing through a neutral zone. The processing method comprises the steps that when a vehicle-mounted ATP passesthrough an entrance ahead transponder, an entrance ahead signal about to enter the neutral zone sent by the entrance ahead transponder is received, an enable signal that the ATP automatically passes through the neutral zone is sent to a vehicle, after an enable feedback signal that the ATP automatically passes through the neutral zone and which is fed back by the vehicle is received, a feedback signal is sent to the vehicle-mounted ATP, after the traction is cut off, coasting is started and a main circuit breaker is disconnected, so that a train coasts to pass through the neutral zone. The entrance ahead transponder, an exit ahead transponder and a neutral zone protective annunciator are arranged on the trackside, neutral zone forecasting is carried out in advance, it is ensured that the train has a certain speed value before reaching the neutral zone, it is achieved that the train automatically coasts to pass through the neutral zone, the situation that the train parks on a nonelectric zone of the neutral zone is avoided, the working strength of drivers and scheduling personnel is reduced, and the comfort of passengers is improved.

Disclosed a ground power set is characterized in that: when the contactor projects from the ground, the door formed by the insulator which covers the contactor can form a inclined surface; and when the contactor sinks into ground, the door can be closed according to the seesaw theory, which can not be opened with wheel force or gambado, while avoiding the entrance of foreign matters. The invention can effectively avoid the electric shock and the entrance of foreign matters.

The invention relates to an aerial power supply assembly (1) hinged on a fixed base (2) and including a fixed portion and a mobile or deformable portion (5) comprising friction members (9) for supplying electrical power to a vehicle (4) through an upper collecting structure (11) on the roof of the vehicle when passing or stopping under said aerial power supply. The friction members are not powered when the power supply assembly (1) is in a rest position, and are powered when the power supply assembly (1) or the mobile or deformable portion (5) thereof is moved by the arrival of the front part of the upper collecting structure (11) of the vehicle under the power supply assembly (1) that contacts the friction members (9) so as to transfer electrical power to the vehicle. After the passage of the vehicle, the mobile portion of the power supply assembly (1) automatically returns to the rest position in which the friction members are not powered.

A vehicle auxiliary electric-power-supplying system can normally stop an electric power inverter by the frequency in use for an electric power supplier being suppressed as low as possible, and electric power being immediately started to be supplied from the power supplier to a controller in a case in which normal electric power has become unable to be obtained from power-outputting of the electric power inverter. The system includes: the electric power inverter for converting a first type of dc power received through an overhead wire to a second type of dc power, and supplying the second type of dc power to a dc load; the power supplier for converting the first type of dc power received through the overhead wire to a third type of dc power; a power-outputting unit, connected to both the electric power inverter and the electric power supplier, for outputting either the second type of dc power or the third type of dc power; and the controller for receiving power from the power-outputting unit, and controlling the electric power inverter.

A road bearing for inductive coupling to an electrical connection device of an electric vehicle includes a series of primary induction coils, a bearing surface element, and a plurality of deformation features in the bearing surface element. The series of primary induction coils are interconnected to a source of electrical power and disposed in a substantially linear array below a roadway surface and within a roadway structure, and are aligned generally parallel to an alignment of the roadway. The bearing surface element is disposed above the primary induction coils, and has an upper surface that is substantially flush with the roadway surface, has a surface flatness in the range of ±1 μm per 30 mm, and a magnetic permeability in the range of 0.9 to 2. The plurality of deformation features include depressions in the upper surface of the bearing surface element, and are configured to provide friction to vehicle wheels.