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4221results about "Overhead installation" patented technology
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Power Line De-Icing Apparatus
InactiveUS20100243633A1Efficient removalWeaken layerOverhead installationOhmic-resistance heatingChiselEngineering
A power line de-icing apparatus that incorporates both thermal and mechanical means to remove various forms of accumulated ice or wet snow from power lines. The apparatus uses a minimum amount of energy to first de-bond and then break off ice from the power line; using far less power than required to fully melt ice. The apparatus operates autonomously, activating heating and chisel mechanisms, and moving between power line support towers in response to both temperature and ice sensor inputs. This operation is repeated in both directions along the power line as long as icing continues to activate the sensors; removing ice more quickly than it can accumulate and thereby preventing mechanical or electrical damage to the power lines and supporting towers. The apparatus is self contained and powered inductively from the power line. It is installed onto the power line without the need for disconnecting the power line.
Owner:HUYNH TUNG +2
Transmission/distribution line fault indicator with remote polling and current sensing and reporting capability
InactiveUS20050151659A1Overhead installationTransmission systemsCurrent loadElectric power transmission
The present invention includes a fault indicator for an electrical transmission line comprising: a fault indicator circuit; and a remote communicator operatively coupled to the fault indicator circuit to transmit condition data to a remote location, where such condition data includes current load data. The invention also includes a method of monitoring and responding to current faults and load variations across an electrical transmission network, the method comprising: installing two fault indicators in electrical communication with an electrical transmission network and including two-way communication capability; generating, by the two fault indicators, condition data specific to a respective location of each of the two fault indicators, where such condition data includes current load data; transmitting the condition data from the two fault indicators to a remote location; receiving, at the remote location, the condition data transmitted from the two fault indicators; and, monitoring and processing the condition data received.
Owner:DONOVAN DAVID L +2
Thermal powerline rating and clearance analysis using thermal imaging technology
ActiveUS8374821B2Minimize impactThermometer detailsOverhead installationVegetationElectrical conductor
A method and apparatus are provided to acquire direct thermal measurements, for example, from a LiDAR collecting vehicle or air vessel, of an overhead electrical conductor substantially simultaneous with collection of 3-dimensional location data of the conductor, and utilize temperature information derived from the direct thermal measurements in line modeling, line rating, thermal line analysis, clearance analysis, and / or vegetation management.
Owner:HUDSON POWER TECH LLC
Method for installing an object using an unmanned aerial vehicle
ActiveUS20160023761A1Overhead installationUnmanned aerial vehiclesAircraft flight control systemMechanical devices
A method for using an unmanned aerial vehicle to install objects on wire and catenary structures is described. The method includes tagging the location, attaching the object to the UAV, navigating the UAV to the position, attaching the object, testing the attachment, releasing the object, inspecting the attachment, and returning the UAV to the ground. Sensors, flight control systems, means for attachment, and variations of embodiments of the methods, systems, and mechanical devices are described.
Owner:MCNALLY JONATHAN
Anti-icing nano composite paint and application
InactiveCN101358106AGood anti-icingFunction increaseOverhead installationOther chemical processesElectric power systemSolvent
The present invention relates to an anti-icing composite nano-coating and an application thereof. The anti-icing composite nano-coating is composed of organic fluorine-silicon composite polymer material, nano-material, curing agent, solvent and filler, the weight percentages of which are as follows: 1 to 98 percent of organic fluorine-silicon composite polymer material, 1 to 92 percent of nano-material, 1 to 50 percent of curing agent, 0 to 90 percent of solvent and 0 to 50 percent of filler. The doses of substances are uniformly mixed and ground so that the anti-icing composite nano-coating is prepared. The anti-icing composite nano-coating can be used to prevent the power transmission lines, conductors, conductor metal fittings, pole towers, stayguys, stayguy fixtures and other power and communication facilities of electric power systems and communication networks from being iced.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Method and device for de-icing conductors of a bundle of conductors
InactiveUS6018152AThe process is simple and effectiveOverhead installationBus-bar/wiring layoutsCurrent loadElectrical conductor
A method and device for removing ice from overhead conductors of a bundle of conductors or preventing an accumulation of ice on these conductors. The method includes forcing the entire current load of the line in one or a portion of the conductors, the excessive power dissipated in this manner de-ices the conductor by Joule heating. The method is repeated for different conductors of the bundle until they have all been de-iced or for the entire duration of an ice storm. Electric power units are provided on each conductor to control the current circulation as needed, and a command module controls the entire system. Conducting elements are provided at the beginning and at the end of the line to allow a distribution of the current as needed.
Owner:ALLAIRE MARC ANDRE +1
Wildlife guard cover
InactiveUS6291774B1Minimum of effort and timeEasy to install and removeOverhead installationNutsWildlifeField conditions
A wildlife guard for electrical power distribution equipment has two hingedly mounted sections which close together to form a protective cover at the top of an insulator bushing on electrical equipment. The wildlife guard is adapted by its structure to fit a range of bushing sizes and yet provide structural integrity and reliable protection once in place. The wildlife guard also accommodates passage of conductive members such as electrical conductors and sparkgap bars through the cover at locations governed by actual field conditions. The wildlife guard has a cover locking mechanism allowing its easy removal when desired.
Owner:RELIANT ENERGY
Self-made heat conductor and heating equipment into which insulating heat conduction material is embedded and implementation method of self-made heat conductor and heating equipment
PendingCN108366442AHeating evenlyLow costOverhead installationHeating element shapesElectrical conductorEngineering
Owner:SICHUAN UNIV +1
MRI compatible implantable lead
ActiveUS20110079423A1Easy maintenanceOverhead installationMagnetic/electric field screeningMedical deviceMri compatible
An implantable lead is provided that includes a lead body configured to be implanted in a patient. The lead body has a distal end and a proximal end, and a lumen extending between the distal and proximal ends and includes a connector assembly provided at the proximal end of the lead body. The connector assembly is configured to connect to an implantable medical device and includes an electrode provided proximate to the distal end of the lead body with the electrode configured to at least one of deliver stimulating pulses and sense electrical activity. A multi-layer coil is located within the lumen and extends at least partially along a length of the lead body. The coil includes a first winding formed with multiple winding turns, the winding turns being segmented in an alternating pattern of insulated segments and non-insulated segments along the length of the lead body. The multi-layer coil further includes a winding turn connective layer extending along and interconnecting the winding turns within at least one of the non-insulated segments. The multi-layer coil further includes a first winding formed with multiple winding turns, the winding turns being segmented into an alternating pattern of insulated segments and non-insulated segments along a length of the winding with a winding turn connective layer extending along and interconnecting the winding turns within at least one of the non-insulated segments.
Owner:PACESETTER INC
Live conductor stringing and splicing method and apparatus
Owner:QUANTA ASSOC
Wildlife guard for electrical power distribution and substation facilities
The present disclosure provides a wildlife guard for electrical power equipment including a disc having a central opening for fitting onto the equipment. The disc includes an electrically insulating material with a conductive filler material in quantity sufficient for the disc to maintain an electrostatic charge. The disc has an insertion slot extending from an outer portion to the central opening for movement of the disc onto the equipment. The present disclosure also provides a wildlife guard for an electrical insulator bushing having an electrical conductor extending outwardly therefrom. The wildlife guard includes an electrically nonconductive cover for covering at least a portion of the electrical conductor, the cover being adapted to mount upon the bushing and a conductive panel attached to the cover.
Owner:NAT SAFETY APPL INC
Wildlife guard for electrical power distribution and substation facilities
The present disclosure provides a wildlife guard for electrical power equipment including a disc having a central opening for fitting onto the equipment. The disc includes an electrically insulating material with a conductive filler material in quantity sufficient for the disc to maintain an electrostatic charge. The disc has an insertion slot extending from an outer portion to the central opening for movement of the disc onto the equipment. The present disclosure also provides a wildlife guard for an electrical insulator bushing having an electrical conductor extending outwardly therefrom. The wildlife guard includes an electrically nonconductive cover for covering at least a portion of the electrical conductor, the cover being adapted to mount upon the bushing and a conductive panel attached to the cover.
Owner:RAUCKMAN SHIRLEY S +1
System for distribution of electric power
InactiveUS6867364B2Raise the barrierEliminate needOverhead installationTransformers/inductances coolingTransformerBusbar
A subsea electrical power distribution system including a first chamber (20) housing a transformer, a second chamber (30) housing a power distribution system with busbars (32) for distribution of power to individual consumers connected to said busbars via connectors (33). The interface between the first and second chamber includes a flexible membrane (22) allowing the oil in the first chamber to expand into the second chamber and vice versa. The second chamber being connected to an external volume expansion chamber (34) allowing the pressure in the second chamber to balance against the pressure of the ambient sea.
Owner:VETCO GRAY SCANDINAVIA
Direct current de-icing device based on full-bridge modular multilevel converter
ActiveCN102739080ASolve the problem that cannot be adjusted in a large rangeReduce volumeOverhead installationFlexible AC transmissionFull bridgeHigh-voltage direct current
The invention discloses a direct current de-icing device based on a full-bridge modular multilevel converter. The full-bridge modular multilevel converter has a three-phase bridge structure, each phase of the converter comprises an upper bridge arm and a lower bridge arm, the upper and lower bridge arms which are respectively formed by serially connecting N full-bridge power modules end to end, and the full-bridge power modules form a chain type multilevel structure, the front ends of the first power modules of the upper bridge arms of all phases are connected to form the positive pole of a public direct current bus; the tail ends of the Nth power modules of all lower bridge arms of all phases are connected to form the negative pole of the public direct current bus; the tail ends of the Nth power modules of all upper bridge arms are connected with the front ends of the first power modules of the respective lower bridge arms of the phases by smoothing reactors; and the center of the electric reactor serves as the alternating current bus of the phase. The device has high high-voltage direct current output capacity and the direct current voltage of the device can be regulated continuously from zero; on the other hand, the fully compatible chain type scalable vector graphics (SVG) topology can realize quick dynamic reactive regulation; and the device has the combined functions of direct current de-icing and alternating current dynamic reactive compensation.
Owner:BEIJING SIFANG JIBAO AUTOMATION +1
Novel structure of deicing robot based on pneumatic type electric transmission line
InactiveCN101938095AReduce weightIncrease working spaceOverhead installationApparatus for overhead lines/cablesControl engineeringGravity center
The invention discloses a novel structure of a deicing robot based on a pneumatic type electric transmission line, comprising a forearm unit, a middle arm unit, a rear arm unit and a gravity center adjustment balance mechanism, wherein the forearm unit, the middle arm unit and the rear arm unit are sequentially connected with the gravity center adjustment balance mechanism positioned below the forearm unit, the middle arm unit and the rear arm unit; the forearm unit and the rear arm unit are symmetrically arranged; the forearm unit comprises a stacked type mechanical arm mechanism, a travelling driving mechanism, a deicing mechanism, a palm opening and closing mechanism and a brake braking mechanism; the middle arm unit comprises a vertical type telescopic arm mechanism, the travelling driving mechanism, the palm opening and closing mechanism and the brake braking mechanism; and the rear arm unit is the same as the forearm unit in structure and comprises a pneumatic control loop which enables the forearm unit, the middle arm unit and the rear arm unit to take telescopic actions, travelling actions, obstacle detouring actions and deicing actions and takes compressed air as a power source. The invention can complete the deicing operation, the on-line stable travelling and high-efficiency autonomous obstacle detouring under the conditions of intelligent control and has the advantages of compact structure, light weight, easy control, and the like.
Owner:SHANDONG UNIV OF SCI & TECH
Power transmission line cone cutter head milling and extrusion deicing method and apparatus thereof
InactiveCN102255270AReduce volumeEasy to assemble and disassembleOverhead installationElectricityMilling cutter
A power transmission line cone cutter head milling and extrusion deicing method and an apparatus thereof are disclosed. The apparatus comprises a case body. The case body comprises: a deicing unit, a stop unit, an opening and closing unit, a walking unit, a storage battery, a high voltage taking electricity unit and a remote control unit. In the deicing unit, a conic milling cutter head is adopted and methods of transverse plane milling and inclined plane extruding are used to carry out mechanically deicing. The conic milling cutter head, on one hand, performs rotary motion so as to mill power transmission line icing and on the other hand performs translational motion along the power transmission line driven by the walking unit as a line-tracking mode so as to extruding the icing cut by the milling cutter head. Therefore, a rapid and high efficient deicing effect can be reached; the power transmission line during a deicing process can be protected from being damaged. The induction taking electricity unit of the high voltage power transmission line is used to real-timely charge the storage battery so that operational use time of the deicing apparatus can be increased.
Owner:HUBEI UNIV OF TECH
Ice melting method for overhead contact system of electrified railway and ice melting system thereof
InactiveCN101640400AEliminate damageReduce the impactOverhead installationTrolley linesEngineeringContact line
The invention relates to an ice melting method for overhead contact system of an electrified railway and an ice melting system thereof. Major hazards of ice coating of the overhead contact system include accidents that pantograph of electric locomotives can not contact with a contact line to obtain current, contact system brandishes, even falls of piles and collapses, and the like. In the ice melting method and the ice melting system thereof, an upper overhead contact system and a lower overhead contact system are connected in series to form a circuit by a section post, AC or DC ice melting current is input at the head end of the circuit, ice coating thickness and safe ice melting current value are obtained by analyzing meteorological and overhead contact system parameters with an ice coating data processing and control module, and then the ice melting system is controlled to output the ice melting current at the end of the circuit, thus ice is molten by Joule heat generated by the current. In the ice melting method and the ice melting system thereof, ice attached to the contact line is molten by joule heat, and compared with the deicing modes of artificial knock and the like of operation departments, the ice melting method and the ice melting system thereof greatly improve deicing efficiency, thus reducing the effect on railway transport, and eliminating damages of external force on the contact line.
Owner:CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
Conducting wire deicing method and device for high-voltage transmission line
The invention provides a conducting wire deicing method and device for a high-voltage transmission line. The conducting wire deicing device comprises a conducting wire walking robot, a rotating deicing device, a power device and a control device, wherein the conducting wire walking robot is driven by a fuel generator; the rotating deicing device is arranged on the conducting wire walking robot and used for removing ice coated on the conducting wire by rotating strike force; the power device is coupled with the rotating deicing device and used for driving the rotating deicing device to rotate; and the control device is used for controlling the movement of the conducting wire walking robot and the rotation of the power device. In the conducting wire deicing device for the high-voltage transmission line, a rotating strike rod, a vibration shock hammer and an ice scraping shovel are arranged on the conducting wire walking robot and simultaneously work to effectively remove the ice coated on the conducting wire by transverse shock, axial shock and axial extrusion.
Owner:CHINA ELECTRIC POWER RES INST
Method and system for laser deicing for power transmission and transformation equipment
ActiveCN101562320AAchieve removalGood removal effectOverhead installationVisible laserTransmission line
The invention discloses a method and a system for laser deicing for power transmission and transformation equipment. The method comprises the steps of: adopting laser frequency conversion technology and a galvanometer scanning focusing principle; adopting a continuous or long-pulse solid laser as core deicing equipment; outputting infrared laser, partially converting the infrared laser into visible laser; coaxially outputting the infrared laser and the visible laser; focusing and irradiating on an ice-covering area of the power transmission and transformation equipment to deice through a collimating mirror, two scanning galvanometers and a focusing mirror; adopting control equipment to control the opportunity and the time of laser output of the laser and the vibration of the scanning galvanometers to ensure that the laser irradiated on the ice-covering area of the power transmission and transformation equipment performs two-dimensional mobile scanning; and observing the irradiation position of the visible laser through a tracking and aiming device to prevent the laser from damaging the power transmission and transformation equipment. The system has small volume and light weight, realizes the long-distance focusing of the laser, is favorable for removing large-area ice coating, realizes the tracking and observation of the laser deicing, prevents the laser from damaging the power transmission and transformation equipment, and can remove ice layers under the condition of no poweroff for a conducting wire iron tower; and the system can also be used for the deicing of the power transmission and transformation equipment such as insulators, overhead transmission lines, iron towers and the like.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST +1
Remote control automatic coating robot for preventing icing on transmission line
The invention discloses a remote control automatic coating robot for preventing icing on a transmission line. The robot comprises a trolley body, a control system, a power module, a brush system and a coating system, wherein the upper part of the trolley body is provided with a driving roller and a driven roller; the brush system is arranged on the front of the trolley body; the coating system isarranged on the rear of the trolley body; and the control system is provided with a remote control receiving module. The robot can walk on the transmission line, and can control dual electric spray guns of the trolley body of the robot on the line through a wireless remote control device under the line to automatically coat an anti-icing coating on the surface of an earth wire.
Owner:北京深浪电子技术有限公司
Method and system for the determination of wind speeds and incident radiation parameters of overhead power lines
InactiveUS20140163884A1Overhead installationFluid speed measurement using thermal variablesElectrical conductorEngineering
The present invention relates to a method and system for the determination of parameters related to the speed of wind that blows near an overhead electrical power line (single or bundle conductors). The parameters include an “effective wind speed” as well as an “effective incident radiation” acting on a power line span. The measurement is made by using the combination of mechanical vibrations and movements / positions in two or three dimensions through sensors in direct link with the power line conductor.
Owner:AMPACIMON
Electric power transmission line with protection devices against lightning overvoltages
InactiveUS6108187AImprove reliabilitySimplify the impulse lightning arresterOverhead installationEmergency protective arrangement detailsElectric power transmissionS function
PCT No. PCT / RU96 / 00251 Sec. 371 Date May 18, 1998 Sec. 102(e) Date May 18, 1998 PCT Filed Sep. 5, 1996 PCT Pub. No. WO97 / 19456 PCT Pub. Date May 29, 1997An electric power transmission line with protection devices against lightening overvoltages in the form of a lighting arrester with a surface discharge. Having a relatively long discharge path, the impulse lightening flashover does not lap over a power arc of operational frequency and, after passing of the lightening overvoltage impulse current, the line will continue a trouble-free operation without being disconnected. Simple and reliable arrester designs are disclosed among which are fittings with dielectric covers and insulators, integrating their direct functions with the lightening arrester's functions.
Owner:OTKRYTOE AKTSIONERNOE OBSCHESTVO NPO STREAMER
Thermal powerline rating and clearance analysis using thermal imaging technology
ActiveUS20120019622A1Minimize impactOverhead installationThermometer detailsVegetationElectrical conductor
A method and apparatus are provided to acquire direct thermal measurements, for example, from a LiDAR collecting vehicle or air vessel, of an overhead electrical conductor substantially simultaneous with collection of 3-dimensional location data of the conductor, and utilize temperature information derived from the direct thermal measurements in line modeling, line rating, thermal line analysis, clearance analysis, and / or vegetation management.
Owner:HUDSON POWER TECH LLC
A device for covering surface of melting wires, poles and insulators in transmission line with ice
The invention relates to a device for thawing the surface ice coating of a line, a tower and an insulator with load for an overhead transmission line, which can thaw ice on the line without stopping supplying electricity and is characterized in that a current transformer is adopted and electric power used for thawing the surface ice coating of line with load is obtained from the overhead transmission line with load; according to concrete line conditions, the parameters of current, time and space position of thawing is set span by span (the distance between two towers that set up the transmission line). The device has the beneficial effects of ice thawing operation without stopping transmission and, equipment needed with light weight, low price and small power.
Owner:郑卫东
Dynamic electric power line monitoring system
ActiveUS20120029871A1Prevent buildupFacilitate transmissionThermometer detailsOverhead installationUltrasonic sensorElectrical conductor
A device and method of precise distance measurement of a transmission line to any object below it is disclosed, along with a network of such devices. The technique employs ultrasonic sensor technology to measure the distance to the nearest object, be it vegetation or a crossing conductor below, and reports that distance wirelessly to the system operator or transmission asset owner. The ultrasonic measurement package may be part of a Transmission Line Security Monitor, which mounts to a transmission line conductor and is powered by the transmission line, transmitting the data by radio links. The technology is equally applicable to encroachment of objects from the side (for example, other transmission lines), as well as to other electrical lines, such as distribution lines, or to other sensing. A built-in transceiver allows the device to communicate with other devices and forward alerts from these devices in a daisy-chain fashion to the intended recipient.
Owner:LINDSEY MFG
Deicing robot for transmission distribution line
InactiveCN101299523AOverhead installationProgramme-controlled manipulatorAgricultural engineeringMotor power
The invention discloses a transmission line deice robot with high efficiency, low consumption and easy operation in the technical field of the deice device, wherein the transmission line deice robot includes a host computer connected with a flexible pushing arm, a hanging guiding arm and a deice working arm. A switching motor power pack is connected at the front end of the flexible pushing arm; a switching wire holding guide pack is connected at the front end of the hanging guiding arm; a switching deice working head is connected at the front end of the deice working arm. At least two forward deice rotating knife packs are connected at the front end of the switching deice working head in the arc swing.
Owner:汤靖邦
De-icing technology for overhead transmission line
InactiveCN101431224ADoes not affect power deliveryNo change to normal operationOverhead installationNormal caseEngineering
The invention relates to an AC / DC overhead transmission line ice-melting technology which adopts split-phase conductors. When a line needs ice-melting, the load current which is evenly distributed in every split-phase conductor under normal conditions is transferred to one or more split-phase conductors; and when the centralized single conductor has the load current to a certain extent, the ice on the conductor can be melted. The deicing purpose can be realized by adopting the alternate switching manner by melting the ice on other split-phase conductors in sequence. If the manner is adopted before the line is iced, the purpose of line-icing prevention can be achieved.
Owner:WUHAN UNIV
High-capacity direct current de-icing device
InactiveCN101316033AMeet the needs of melting iceMeet ice melting needsOverhead installationAc-dc conversion without reversalEngineeringDc voltage
The invention provides a large-capacity DC thawing apparatus, comprising a rectifier transformer, six-pulse rectifier, measurement and control units, a DC voltage and current transformer TV and TA, a DC smoothing reactor, a balancing reactor, an AC voltage transformer TVa, an AC current transformer TAa and a central control system; the large-capacity DC thawing apparatus has N six-pulse rectifiers with identical parameters; N measurement and control units respectively provide triggering pulses for each six-pulse rectifier; the input terminal of the DC thawing apparatus is provided with the AC voltage transformer TVa and AC current transformer TAa and the output terminal thereof is connected with the central control system; the output anodes of the N six-pulse rectifiers are directly connected in parallel by the smoothing reactor and connected with one end of the transmission line to be thawed and the output cathode thereof is connected with the other end of the transmission line to be thawed in parallel by N tap balance reactors. By adopting the parallel running technique of the rectifier, the problems of the large-capacity DC thawing apparatus such as large current, high voltage and large capacity are solved.
Owner:STATE GRID ELECTRIC POWER RES INST
Snow blowing and ice thawing device for electrical device
ActiveCN102983538AGuaranteed uptimeImprove work efficiencyOverhead installationDrive wheelElectric machine
The invention discloses a snow blowing and ice thawing device for an electrical device, which comprises a travelling frame, wherein a transverse opening is formed in a side wall of the travelling frame; a controller, a heating cabinet, a driving wheel and a first compaction wheel are arranged on the travelling frame; a motor is arranged in the controller; the travelling frame is provided with first vertical sliding grooves; sliding bearing components are arranged at the periphery of a wheel shaft of the first compaction wheel; the upper part of an outer sleeve of each bearing is connected with one end of each spring; the other end of each spring is fixedly connected with the top of each first sliding groove; the springs apply downward forces on the bearings all along; the heating cabinet is mounted at the bottom of the travelling frame; a blower is arranged at one end of the heating cabinet; an air outlet pipe is arranged at the other end of the heating cabinet; and a heating wire is mounted in the heating cabinet. The snow blowing and ice thawing device is mounted on electric transmission lines such as cables, and travels along the electric transmission lines; ice and snow on the lines are blown off by heated air to allow the ice and the snow to thaw; with the adoption of a soft method to remove the ice and the snow, the working efficiency is improved; a snow blowing and ice thawing effect is good; the cleaning speed is high; the working process is safe and stable; the direct manual working is avoided; and the normal operation of a power grid in the winter is ensured.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1
Hinged bushing suspension clamp and method for using said clamp
Owner:AFL COMM LLC
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