1304results about "Distribution substations" patented technology

A modular power plant assembly for distributed power generation includes a power generator assembly, to generate electrical power, mounted on a trailer. An AC / DC distribution panel electrically coupled to the power generator assembly is mounted on the power generator assembly. A Medium Voltage module electrically coupled to the power generator assembly is mounted on the trailer. The AC / DC distribution panel and the Medium Voltage module together control and distribute the electrical power generated by the power generator assembly. A plurality of auxiliary components to supply fuel and air to the power generator assembly are mounted adjacent to the power generator assembly on a skid attached to the trailer.

An off-axis rotary joint (20) for selectively enabling communication of a signal (i.e., electrical and / or optical) between a housing (21) mounted for rotation about an axis (y-y) relative to a hollow shaft assembly (22) at all permissible relative angular displacements (e.g., 0°, 180°, 360°, 540°, 720°, etc.) between the housing and shaft assembly, broadly includes: a first conductor (23) having an first end mounted on the second member and having a second end mounted on the first member, the first conductor being adapted to convey a signal between its ends; a first motor (24) operatively arranged to selectively rotate the first conductor first end through a desired angular displacement relative to the second member; a second conductor (25) having an first end mounted on the second member and having a second end mounted on the first member, the second conductor being adapted to convey a signal between its ends; a second motor (26) operatively arranged to selectively rotate the second conductor second end through a desired angular displacement relative to the first second member; an encoder (28) for monitoring the angular displacement of the first member relative to the second member; a first divider / combiner (29) communicating with the second end of each of the conductors; a second divider / combiner (30); a first connector (31) mounted on the first member for selectively communicating the first and second divider / combiners through the first conductor; a second connector (32) mounted on the first member for selectively communicating the first and second divider / combiners through the second conductor; and a controller (33) for selectively operating the first and second motors and the first and second connectors; whereby a signal may be conveyed though the joint at all permissible angular displacements of the housing relative to the shaft assembly.

The invention relates to an electrical installation, especially a medium-voltage switchgear, comprising at least one encapsulated function module (FM), a decompression channel (DK) which is connected to said function module, and at least one inflow opening (EO . . . ) which connects the function module (FM) to the decompression channel (DK). The covering surface (DF 1,2,3) of the decompression channel (DK), opposite the inflow opening (EO . . . ), comprises at least one partial region which is obliquely oriented in relation to the inflow direction. Hot gases and high pressures produced during an accidental arc can thus be evacuated from the installation, without any risk to humans and buildings. Pressure channels are used, inter alia, in installations used in relation to medium-voltage technique for providing and distributing energy.

An enclosure for electric power system control, monitoring, protection, and automation access devices, which includes a selective workspace enclosure. The enclosure includes a workspace enclosure for enclosing a workspace adjacent to a device for controlling, protecting, monitoring, and / or monitoring an electric power system, thereby providing a shelter or barrier to the elements for personnel accessing the device. Generally, the enclosure may be partitioned to include a number of cabinets, in each of which a number of devices may be installed. The enclosure may further include a platform, guide members, protective barriers and cover members (when retracted housed in a cover cabinet) to provide a shelter or barrier to the elements for personnel accessing the devices from a select workspace. The enclosure may be modular in that multiple modules, each of which may include its own protective cover member, may be installed adjacent to each other, such that enclosed workspaces may be selectively extended to provide enclosed workspaces only as needed.

A transportable modular multi-appliance device comprises a container, a primary power source for producing AC power, a plurality of AC-powered functional modules, AC outlets, sensors, and a controller. The primary power source is inside the container, and the functional modules are removably mounted inside the container and removably electrically coupled to the primary power source to receive AC power therefrom. The AC outlets are also electrically coupled to the primary power source. The sensors detect conditions inside the container and associated with the functional modules, and the controller is coupled to the primary power source and to the sensors and configured to automatically control the primary power source and allocate the AC power among the functional modules and the AC outlets in response to inputs from the sensors.

The invention relates to a centralization remote power feeding system including a primary device machine room arranged with wireless primary devices and power supply primary devices, which include an inverter and a transmission primary device for converting the external electricity 380 V industrial electricity into the -48 to 24 V DC to access to the wireless primary devices to cause the wireless primary devices operate normally; the -48 to 24 V DC is converted to the 220-380V AC through the inverter of the power supply primary devices, then the power is transmitted to the farend unit of the farend covering system of the base station part newly built through the common rod transmission mode of the power transmission line and the optical fiber transmission line, providing the stable power to the farend unit, thereby completing the construction of the whole base station. The invention reduces the building size of the base station, saves the project invest and advances the net operation safety reliability, which is applied in the signal covering of the road, the subway , the tunnel of the city and the small countryside base station.

The invention discloses an anti-seismic anti-collision transformer substation comprising a damping pedestal and a box body. A groove is formed in the upper side of the damping pedestal; a fixed slot is formed in the upper part of the inner side of the groove; a damping plate is installed at the groove by the fixed slot; a damping cushion is arranged at the lower side of the damping plate; a plurality of damping cavities are formed in the damping cushion; and damping springs are arranged inside the damping cavities. Telescopic rods are arranged at the four corners of the left side and the right side of the box body; buffer springs are arranged at the outer sides of the telescopic rods; anti-collision plates are arranged at the outer ends of the telescopic rods; and buffer plates are arranged at the outer sides of the anti-collision plates. An opening is formed in the upper end of the box body; mounting cavities are formed in the four corners of the upper part of the box body; lifting motors are installed at the bottoms inside the mounting cavities; and threaded rods are installed at the output terminals of the lifting motors. Besides, lifting rods are arranged inside the mounting cavities. An annular cover plate is arranged at the upper ends of the lifting rods; and a heat radiation box is arranged at the upper side of the cover plate. The anti-seismic anti-collision transformer substation has advantages of simple structure, convenient usage, good anti-seismic anti-collision performances, and good cooling effect.

Provided are an interdigitated electrode (IDE) for an electronic device, which includes a plurality of anodes and a plurality of cathodes arranged radially in an alternating fashion for electrical insulation from one another, and an electronic device using the same. The IDE in which the anodes and the cathodes are arranged radially in an alternating fashion is fabricated and applied to the electronic device, so that the entire fabrication process can be simplified compared to that of a typical electronic device in which an upper electrode is different from a lower electrode. Also, circular or polygonal IDEs can be applied to systems that are driven or measure values on their central axes, thereby enhancing the performance and efficiency of the systems. Furthermore, the circular or polygonal IDEs can be employed in systems such as acoustic sensors, pressure sensors, micro-speakers, biological sensors, and acceleration sensors, so that the structure and operation of the systems can be simplified.

The equipment consists of the intelligent typed high voltage switch cabinet, three phases five poles delta / Yo-11 connection, intelligent typed low switch cabinet and intelligent integrated console, 10kV dual power sources through the high voltage measuring cabinet, the intelligent high voltage power receiving cabinet and intelligent high voltage power feeding cabinet provides power to the transformer in three phases five poles delta / Yo-11 connection. The intelligent type low voltage cabinet distributes electricity. With two linked sections of low voltage buses, the stand-by generator and the intelligent integrated console being added, the intelligent equipment is built up.

A compartmental transformer and a method maintenance therefor is provided. The transformer includes a first compartment housing first equipment electrically coupled to the high voltage side of the transformer and a second compartment housing second equipment electrically coupled with the low voltage side of the transformer. The transformer further includes a maintenance compartment, separate from the first and second compartments, for housing a plurality of maintenance devices used for servicing the transformer while the transformer is energized. The method includes co-locating and securing preventative maintenance devices in one secured compartment remote from a voltage at or above a level corresponding to the lower of the voltages of the primary or secondary sides of the transformer, maintaining the transformer in an energized state, opening the secured compartment, and performing preventative maintenance tasks on respective preventative maintenance devices while the transformer is maintained in the energized state.

The invention provides an intelligent employed electric system, which comprises a two-way incoming line power supply, an incoming line breaker which is respectively connected with the two-way incoming line power supply and a bus bar which is respectively and electrically connected with the incoming line power supply, wherein a bus coupling circuit breaker is electrically arranged between two sections of the bus bars, the invention also comprises an incoming line detecting unit, an intelligent controlling device which is electrically connected with each output end of the incoming line detecting unit, wherein the intelligent controlling device is also respectively and electrically connected with each breaker, the intelligent controlling device controls a close-open gate of each breaker through judging voltage and electric current value of each incoming line and according to the state of the current close-open gate of the breaker and the operating mode which is required by the system, the intelligent controlling device carries out an auto-switch-on control on each breaker according to the collected information when any incoming line power supply is failed, therefore the employed electric system can be led to continuously supply power, and the reliability of the employed electric system is effectively increased, failure processing time and operating cost are reduced, and the intelligent employed electric system is particularly applied on an unattended transformer station whose voltage grade is 110kV or under 110kV.

The curable casting compound comprises an epoxy resin having at least one aminoglycidyl group in the molecule, a curative, and a fluorosurfactant. In the manufacture of products based on this casting compound, the shaping and curing operation can be shortened considerably.

The invention provides a comprehensive power supply system with a remote monitoring function. The comprehensive power supply system comprises a box, wherein the box comprises a base plate, wall bodies and a top cover, and a high-voltage room, a transformer room, a low-voltage room and an industrial personal computer are arranged in the box; in a box-type substation, the high-voltage room, the transformer room and the low-voltage room are provided with doors and windows, and exhaust fans are arranged on the windows, so that natural ventilation and mechanical ventilation are combined, and maintenance is convenient; the wall bodies and clapboards on the circumference of the substation are respectively provided with inner-layer steel plates and outer-layer steel plates, a cavity is formed between each inner-layer steel plate and outer-layer steel plate, and fireproof sound-insulation cotton is arranged in each cavity; and radiation heat-dissipation cooling coating coats the surface of each outer-layer steel plate. The radiation heat-dissipation cooling coating can radiate object heat and achieve heat-dissipation waterproof functions; and the radiation heat-dissipation cooling coating can automatic radiate the heat of the coated object to an atmospheric space, reduces surface and interior temperature of the box-type substation and also achieves a soundproof function.

A combined transformer is comprised of a transformer chamber, a low-voltage chamber, a high-voltage chamber and a radiator. There is a hollow thermal pipe filled with a heat-transfer medium in the radiator. One of the ends of the thermal pipe is plugged into the transformer chamber and on being located the other end there are heat sinks. Wherein the low-voltage chamber being located on the transformer and the high-voltage chamber being on the side of the transformer, the transformer chamber and the high-voltage chamber are embedded in the ground. The prefabricated substations are comprised of a transformer chamber, a transformer arranged in the transformer chamber, a switch chamber including a low-voltage chamber and a high-voltage chamber, a radiator and a hollow thermal pipe filled with a heat-transfer medium in the radiator. One of the ends of the thermal pipe is plugged into the transformer chamber and the other end is arranged thermally-conductive sheets, the thermally conductive sheets are located on the outside of the switch chamber which is arranged on the transformer chamber. The high-voltage chamber and the low-voltage chamber both have doors the transformer chamber is enclosed with a pit and a cover. The said thermal pipe of the transformer dose not only has the large capacity, the long using life and high reliability, small size and the heat-transfer effect greatly improved but greatly reduces the occupation area of the transformer.

An improved power distribution unit substation, having a plurality of differing voltage rated main breaker cells, encased within a single housing is disclosed. The improved power distribution substation saves considerable floor space as compared to prior art substations. One embodiment houses a plurality of main breaker cells in a single housing. In this embodiment, a low voltage main breaker cell is vertically positioned above a plurality of medium voltage main breaker cells. Alternatively, a medium voltage main breaker cell is vertically positioned above a plurality of low or medium voltage cells. Improved single-ended and double-ended power distribution substations are disclosed that offer cost and floor space savings as compared to prior art substations.

The invention discloses a box type transformer station, which comprises a box body and a control system, wherein a key station and a slave station are arranged inside the box body; the key station comprises an upper computer and a controller; the slave station comprises a high voltage room, a transformer room, and a low voltage room; the control system comprises a detection subsystem and a control subsystem. The intelligent box type transformer station provided by the invention can realize functions of automatic positioning, fault elimination, service restoration and the like of a fault section, and can realize the recovery of power transmission in about one minute.

The invention provides an intelligent box-type substation characterized by effective heat dissipation. The intelligent box-type substation comprises a base, an exhaust device, a frame body, cooling devices, a cover plate device and a monitoring device. First support pillars and a second support pillar are arranged on the base. The frame body is provided with a first through hole, second through holes, third through holes and fourth through holes. The exhaust device comprises an exhaust pipe, a fan, a sponge block, a fixing block and fasteners. Each cooling device comprises a first support plate, a first water tank, a first water output pipe, a first valve, a circulating pipe, a fixing rod, a second water outlet pipe, a second water tank and a second support plate. The cover plate device comprises a cover plate, a bending part, support rods, a cross rod, a control box, an antenna and horizontal rods. The monitoring device comprises a third support plate, a baffle plate, a humidity sensor, a temperature sensor, a noise sensor and a rectangular block. The internal environment parameters of the substation can be monitored in real time and judgment can be made according to the specific parameter information, so that the internal environment parameters of the substation can be made to be more suitable for work of electric devices in the substation.

The invention relates to the technical field of dehumidification systems, in particular to a dehumidification system for box-type substations and ring network cabinets, which includes a housing, the bottom of the shell is fixed with a cabinet body, A humidity sensor is installed on one side of the cabinet body, a first temperature sensor is installed on the other side of the cabinet body, an electric air valve is fixed on the bottom of the cabinet body, a cabinet door is rotatably connected with the cabinet body through a hinge, and an air inlet pipe and an air outlet pipe penetrating the topof the cabinet body are fixed on the lower surface wall of the shell body. An intake duct, exhaust pipes and treatment tanks are provided, and theby setting thetreatment tank, The first fan, the heater, the second temperature sensor and the drying box are connected and fixed so as to facilitate the maintenance and replacement of the dehumidification system. The air inlet pipe and the air outlet pipe arranged at the top of the cabinet body can realize the air circulation drying function in the cabinet body, greatly reduce the air drying amount, save the cost and achieve good drying effect.

The present invention is an enclosed and transportable skid mounted utility apparatus. The apparatus includes an enclosure disposed on a transportable skid. The enclosure has a floor, end and side walls and a roof. The enclosure also includes one or more generator assemblies. The one or more generator assemblies provide power to one or more breaker boxes located in the enclosure. The one or more breaker boxes transfer the power to one or more transformers located on a wall of the enclosure. The one or more transformers transform and transfer the power to an electrical distribution panel in the enclosure. A water tank is also disposed in the enclosure. A water manifold is coupled to the water tank, and the water manifold includes a pump that uses power generated from the one or more generator assemblies.

The invention discloses an AC low-tension intelligent type comprehensive distribution box device for a public transformer substation, comprising a box shell body, a cable outlet chamber and a cable inlet chamber, wherein the box shell body, the cable outlet chamber and the cable inlet chamber are mutually assembled; the box shell body is internally provided with a reactive power compensation device, an isolating fracture or an isolating switch, the reactive power compensation device and an wire outlet loop protection switch or a fuse protector, wherein the wire inlet end of the isolating clearance or the isolating switch is connected with a metering mutual inductor; the information of a current sampling mutual inductor is communicated with the reactive power compensation device; and a maintransverse copper bus is connected with a main protection switch of the reactive power compensation device or the fuse protector and controls the on-off of the power supply of the reactive power compensation device. The invention realizes the low power consumption and no flashy flow and no temperature rise in the operating process, the controlled silicon and no power consumption by adopting the high-capacity reactive power compensation device and realizes the purposes of inputting high-capacity compensation in steps by adopting a small capacitor due to small module volume and high power density, and electric capacity arranged in the capacity of a same frame is enhanced by 30 percent, and the maximum compensation capacity achieves 180 kVar; in addition, a structure of the multipath two-path wire outlet loop protection switch or the fuse protector is adopted, therefore, a protection function of little overload current and low short circuit current is enhanced.

An improved power distribution unit substation, having a plurality of differing voltage rated main breaker cells, encased within a single housing is disclosed. The improved power distribution substation saves considerable floor space as compared to prior art substations. One embodiment houses a plurality of main breaker cells in a single housing. In this embodiment, a low voltage main breaker cell is vertically positioned above a plurality of medium voltage main breaker cells. Alternatively, a medium voltage main breaker cell is vertically positioned above a plurality of low or medium voltage cells. Improved single-ended and double-ended power distribution substations are disclosed that offer cost and floor space savings as compared to prior art substations.

A multilayer printed wiring board is composed of a substrate provided with through-holes, and a wiring board formed on the substrate through the interposition of an interlaminar insulating resin layer, the through-holes having a roughened internal surface and being filled with a filler, an exposed part of the filler in the through-holes being covered with a through-hole-covering conductor layer, and a viahole formed just thereabove being connected to the through-hole-covering conductor layer. Without peeling between the through-holes and the filler, this wiring board has a satisfactory connection reliability between the through-holes and the internal layer circuit and provides a high density wiring.

The invention discloses an outdoor prefabricated transformer substation. By adopting a design idea of small-sized modularized prefabrication, the transformer substation is designed to be in a prefabricated assembled structure. The transformer substation comprises a civil engineering part and an electrical part. Mostly, the civil engineering part adopts prefabricated products, wherein the strip-shaped foundations of a container and a prefabricated cabinet, and the foundation of a transformer need to be prefabricated on site. Except the transformer, the electronic part adopts a container type module or a prefabricated cabinet type module, a wire inlet module adopts a box type gas insulated switchgear (GIS) module, the whole GIS module is mounted in the container or the prefabricated cabinet, the inlet wire adopts a cable, and the transformer is connected with the GIS module through an oil-gas bushing or an overhead wire. The on-site foundation prefabrication of the civil engineering part and the in-plant production debugging work of each functional module of the electrical part are simultaneously carried out, so that the construction period is greatly shortened. The outdoor prefabricated transformer substation is constructed by prefabricating and assembling modularized structures, breaks through the construction thought of a traditional transformer substation, and is high in efficiency.

The invention discloses an anti-vibration box-type transformer station of a sound insulation and thermal insulation type, and the transformer station comprises a damping pedestal and a box body. The upper side of the damping pedestal is provided with a groove, and the upper side of an inner side of the groove is provided with a fixed groove. The groove is provided with a damping plate through the fixed groove. The lower side of the damping plate is provided with a damping pad, and the interior of the damping pad is provided with a plurality of damping cavities. The interior of each damping cavity is provided with a damping spring. Four corners of the lower side of the box body are provided with installation cavities. The interior of each installation cavity is provided with an electronic telescopic rod, and the lower end of each electronic telescopic rod is connected with the upper side of the damping plate. The lower end of the box body is provided with a water level sensor, and the interior of the box body is provided with an intelligent controller. The bottom of the box body is provided with an air incoming cavity, and the lower side of the right end of the air incoming cavity is provided with an air incoming air. The right end of the air incoming cavity is provided with a blower fan, and the left side of the upper side of the air incoming cavity is provided with a plurality of blowing ports. The upper end of the box body is provided with a plurality of air exhaust outlets. The transformer station is simple in structure, is convenient to use, is good in effects of sound insulation and thermal insulation, and is good in anti-vibration performance.

The invention discloses an anti-seismic intelligent box-type substation which includes a base, a fixing device, a positioning device, a frame body, a control device, a cover plate device and an air inlet device, wherein positioning rods and first fastening devices are arranged on the base; each first fastening device includes an upper end part and a lower end part, and a first through hole is formed in the upper end part; the fixing device includes a support plate, vertical rods, support blocks and first springs; the positioning device includes second springs and ejection devices; each ejection device includes fixing rods, a third spring, a movable block, a connecting rod, a rectangular block and a friction block; a third through hole, triangular blocks, a humidity sensor, a temperature sensor and a fourth through hole are arranged in the frame body; the control device includes a control box, a display screen, a circuit board, a processor, a memory, a power supply and a signal transceiver module. The anti-seismic intelligent box-type substation provided by the invention has relatively good anti-seismic property and good anti-seismic effect; even an earthquake occurs, the electrical components inside the substation can be effectively protected, and damages to the electrical components due to shock are prevented.

A network unit includes an enclosure having first and second compartments, plural input terminals, and a primary switch having an input and an output, the input being electrically connected to the input terminals. The output of the primary switch is electrically connected to the input of a network transformer. A network protector includes an input, an output and a circuit breaker electrically connected between the input and the output of the network protector. The network protector input is electrically connected to the network transformer output. Plural circuit protection devices are electrically connected between the network protector output and plural output terminals. The circuit breaker is substantially enclosed by the second compartment. The network transformer, the primary switch and part of the network protector are enclosed by the first compartment.

The invention discloses an intelligent solar photovoltaic box-type transformer substation, and belongs to the technical field of box-type transformer substations. The intelligent solar photovoltaic box-type transformer substation is characterized in that the top of a box body is provided with a casing, the left side of the bottom of an inner cavity of the casing is fixedly connected to a motor box, the bottom of an inner cavity of the motor box is fixedly connected to a motor, a spindle of the motor is provided with a driving gear in a sleeved manner, the right side of the driving gear is meshed with a driven gear, the driven gear is provided with a rotating shaft in a penetrating manner, the top of the casing is fixedly connected to a partition board, the top of the rotating shaft sequentially penetrates through the top of the casing and the partition board, and the top of the partition board is provided with a sliding slot. When a solar panel is required to be used, a controller controls the motor to operate, the motor drives the rotating shaft to rotates through gear transmission, and the rotating shaft drives the solar panel to rotate through a supporting board; and when an inclination angle of the solar panel is adjusted, the controller controls a cylinder to operate, and the inclination angle of the solar panel is changed.