43results about How to "Increase electricity sales" patented technology

The invention discloses a method for changing tension simulators on live 10kV power supply line, which includes steps: firstly, confirming weather conditions; secondly, preparing; thirdly, changing the tension insulators on the live 10kV power supply line and includes step 1 insulation shielding, step 2 mounting insulating tightening racks and insulating tighteners, step 3 mounting backup insulating protective pull cords, and step 4 changing the tension insulators. The method can change defective tension insulators timely when the power supply line supplies power normally, guarantee safe and normal power supply of the power supply line, avoid adverse effects of power outage upon power supply enterprises and power consumers, improve power supply reliability, increase power sales, improve industrial service quality, and guarantee uninterrupted power supply for the consumers.

The invention discloses a lifting type rail insulation operation platform which comprises a mobile device and an insulation platform body that is provided with a rail, wherein the mobile device comprises an up-down lifting device, a left-right moving device and an insulation platform bracket; the up-down lifting device comprises a guide rail, a worm and gear device, a pulley block, a lifting rope and a lifting limiter; the worm and gear device is arranged at the bottom end of the guide rail; the pulley block comprises guide rail pulleys fixed on the insulation platform bracket and used for clamping the guide rail and a lifting pulley penetrating and guiding the lifting rope; one end of the lifting limiter is fixed on the insulation platform bracket, the other end of the lifting limiter is matched and fixed with the guide rail; the insulation platform bracket is arranged in front of the guide rail and is fixed with the insulation platform body, the insulation platform bracket moves up and down along the guide rail through the guide rail pulleys arranged at the upper end and the lower end of the bracket; and the left-right moving device comprises a support pulley, two pulley chains and a metal fixing chain. According to the invention, up-down and left-right regulations of an operation position can be carried out, thus the safety of a hot line work is improved.

The invention discloses a high voltage isolator electrified oil lubricator. The main body of the oil lubricator is an insulating box lubricator (1) with an insulating rod (2), an oil outlet nozzle (41) on the box lubricator (1) is connected with an oil outlet pipe (4) inside the box lubricator; the oil outlet pipe (4) is provided with a fixed piston (5) and a moveable cylinder body (6); the bottom surface of the moveable cylinder body (6) is provided with an oil inlet hole (61); an oil inlet spring (62) and an oil inlet steel ball (63) are arranged between the fixed piston (5) and the oil inlet hole (61); the piston (5) is provided with an oil outlet (51); an oil outlet spring (52) and an oil outlet steel ball (53) are arranged between the oil outlet hole (51) and the oil outlet pipe (4); a pull rod (7) arranged outside the moveable cylinder body (6) is connected with a lever (8); and the lever (8) is connected with an oiling handle (3) through an insulating pull rod (10). The oil lubricator completes oiling lubrication to a high voltage isolator under the electrified state, brings the convenience to state maintenance, and reduces abnormal power failure.

The invention relates to a live-working drainage wire bracket which is characterized in that a plurality of through holes (21) are uniformly formed in a sleeve (2); the rear end of the sleeve (2) is connected with a fixing device (4) through a T-shaped plate (22); elastic pins (11) in match with the through holes (21) are arranged on a moving rod (1); a fixing clamp (5) is arranged at the end part of the moving rod (1); the fixing device (4) consists of a left semicircular bracket (41) and a right semicircular bracket (42); one end of the left semicircular bracket (41) is hinged with one end of the right semicircular bracket (42); the other end of the left semicircular bracket (41) is fixed on one side of the T-shaped plate (22); the other end of the right semicircular bracket (42) is slightly shrunk and is movably connected with the other side of the T-shaped plate (22), so that the right semicircular bracket (42) can be opened and conveniently fixed on a electric power pole. By adopting the bracket, a live-working drainage wire can be effectively fixed, the times of power outage are greatly reduced, and the reliability in power supply is improved.

The invention discloses a protective device defect eliminating coordination instrument without circuit power outage, and belongs to the technical field of circuit protective devices. The protective device defect eliminating coordination instrument without the circuit power outage at least comprises a protective device replacing unit, a detection unit, a control unit and a state indicating unit, wherein the protective device replacing unit is used for replacing an abnormal protective device appears in a circuit, the detection unit is used for detecting the replacement protective device unit or the repaired abnormal protection device to ensure normal working, reliable action and correct indicating, and transmitting the current checking states to the state indicating unit, the control unit is used for sending out detection control instructions, and controlling the working state of the detection unit, and the state indicating unit is used for displaying current working operation states. The protective device defect eliminating coordination instrument without circuit power outage solves the problems that previously, an operation switch and the circuit have to be powered off so that the failure of the protective device can be handled, power supply reliability is influenced, and potential hazards of accidents are laid for the safety operation of equipment. The protective device defect eliminating coordination instrument without circuit power outage has the advantages of being simple in structure, convenient to use, high in efficiency and capable of improving power sale quantity and circuit reliability.

The invention provides a quick-repairing method for an urban power distribution room. The quick repairing method can solve the problems that during power distribution room repairing, the blackout time is long, cost is high and efficiency is low, and can guarantee normal power supply for residents. The quick-repairing method comprises the following steps that firstly, a set of high-voltage reserved interfaces are additionally arranged at the second 10kV wire inlet end of the power distribution room, and a first low-voltage reserved interface and a second low-voltage reserved interface are additionally arranged on a 0.4kVI section bus and a 0.4kVII section bus of the power distribution room respectively; secondly, a box transformer substation vehicle arrives at the site, a bypass circuit cable of the box transformer substation vehicle is unfolded; thirdly, a superior switch at the second10kV wire inlet end is turned off, a wire inlet cable of a second high-voltage switch and a ring main unit are disconnected, and protection is carried out; fourthly, working is carried out according to the sudden failures of the ring main unit or the routine repairing of the ring main unit or failures of any transformer. The quick-repairing method is suitable for the power distribution room, and also suitable for fast repairing of network distribution box type transformers, column transformers, switching stations and other network distribution devices.

The invention provides a lightning arrester device capable of being dismounted and installed in a charged state. The lightning arrester device capable of being dismounted and installed in a charged state is composed of an insulation support body, a charged part assembly, a detachable assembly, a grounding assembly, a grounding support body, a base and a support strap iron body. The charged part assembly is composed of a fixed contact movable cover and a power source binding post, and the charged part assembly is fixedly connected with the insulation support body as a whole through a bolt. The detachable assembly is composed of a charged end moving contact, an operating ring, a lightning arrester, a grounding end moving contact and a rotating shaft. The grounding assembly is composed of a grounding end fixed contact, a support groove and a bolt hole formed in the support groove, and the grounding support body and a grounding end assembly are fixedly connected as a whole through bolts. The insulation support body and the grounding support body are respectively fixed at two ends of the base through bolts to form the whole lightning arrester device capable of being dismounted and installed in a charged state. The base is fixed on a pole cross arm through the support strap iron body. According to the lightning arrester device capable of being charged in dismounting, workers can securely dismount and install the lightning arrester on the ground under the premise that power (a power grid) is not cut. Therefore, reliability of power supply is improved, and practicability is strong.

The invention discloses a lightning arrester discharge counter live replacement device and a using method for the same. The lightning arrester discharge counter live replacement device comprises insulation operation rods, insulation rotation screws, copper line clamp lower surfaces, copper line clamp adjustment surfaces, copper line clamp upper surfaces, copper line clamp adjustment surface upgoing guide grooves, a short circuit line, copper connection noses, short circuit line fixing bolts, insulation top caps, insulation inner threads and screw thread fixing pins. The lightning arrester discharge counter live replacement device and the using method for the same eliminate long time waiting for an approval process for cutting (recovering) power and safety hazards in processes of cutting (recovering) power and arranging safety measures by personnel. The lightning arrester discharge counter live replacement device is small in size, easy in operation and easy to carry, and greatly shortens effective time of working, greatly reduces number of personnel participating in work, timely eliminates flaws in the discharge counter, recovers effective monitoring on the lightening arrester, and creates a condition for safety operation of a power grid. The replacement without power cutting improves reliability of supplying power and the power sale quantity, and creates economic benefits.

The invention provides an intelligent type on-line monitoring system for a fuse. The on-line monitoring system comprises a detection device installed on the fuse and a system master station in signal connection with the detection device. The detection device is provided with a transmitting end for sending information to the system master station, and the system master station is provided with a receiving end for receiving the information sent by a microprocessor. The detection device and the fuse are arranged in a detection box. The detection device comprises a current sensor, a detection terminal voltage sensor, a position sensor, a timer and a temperature and humidity sensor. A processor, a display and a memory are arranged in the system master station, and the system master station is provided with an inquiry device.

The invention relates to a power network automatic regulation method suitable for open-loop power supply based on the depth-first search of a strongly connected component. The method comprises the following steps: step S1, setting corresponding ordered elements to instantiate a directed graph by collecting the operation conditions of the power supply network. 2, adopt a depth-first search algorithm to analyze and calculate that strongly connected component in real time. Step S3, according to the requirement of changing the operation mode, the depth-first search algorithm is adopted to simulateand calculate the brand-new strongly connected components after changing the operation mode. 4, after confirming that that simulation result is feasible, issue a fast automatic power regulation command to complete the power regulation operation. The ordered elements include: a circuit breaker, which is used to change the structure of the diagram; a transformer, internal strongly connected component; a bus, a supplementary parameter of a strongly connected component used to check that structure of a graph.

The invention discloses a flexible closed-loop power regulation method and device with integrated protection and control configuration, which realize seamless switching of power supply at a segment point of a dual-power-supply ring network and are mainly applicable to an AC distribution network. The flexible closed-loop power regulation method with integrated protection and control configuration in the invention mainly includes the following steps: S1, confirming the section selection of a power section of a distribution network by analyzing the distribution network structure; S2, simulating the influence of the loop closing moment on a power supply system; S3, analyzing the possibility of various faults in the power regulation process and putting forward countermeasures; S4, performing aUPFC control strategy in order to ensure the minimum impact of loop closing; and S5, capturing the loop closing operation time, and completing loop closing at the optimal time of system closing.

The invention provides an overall installation device for a power double cross arm assembly. The device comprises a longitudinal strut, a transverse strut vertically disposed at an upper portion of the longitudinal strut, a holt hoop iron which is rotatably disposed at a lower portion of the longitudinal strut and is used for fixedly connecting with wire poles, and a bracket which is disposed between the transverse strut and the holt hoop iron, is in rotation lifting up and down connection with the longitudinal strut along the length direction of the longitudinal strut and is used for supporting double cross arms and taking the double cross arm assembly to move up and down, wherein a hanging member for hanging a traction rope is disposed on the transverse strut. The invention further provides an overall installation method for the power double cross arm assembly. The device is advantaged in that technical problems of long power-off time and large construction intensity of workers of the wire poles existing in the cross-arm installation technology in the prior art are solved.

The invention discloses a short-circuit impedance tester, which comprises a short-circuit impedance tester main body. The surface of the short-circuit impedance tester main body is provided with a counter, a voltage change-over switch, a short-circuit change-over switch, a voltmeter, an ampere meter, an over-voltage indicator lamp, an over-current indicator lamp, an over-voltage setting window, an over-current setting window and a voltage regulator button. The short-circuit impedance tester has the advantages of simple structure and fixed connecting lines, can reduce the climbing times for the transformer, shorten the climbing time, improve the test safety, and the shorten wiring time.

The invention relates to a remote-control rotary lifting insulation platform, and the platform comprises a rotating mechanism, a double balance mechanism for connecting a machine with the rotating mechanism, and a lifting crawling ladder mechanism for connecting the machine with the double balance mechanism, the rotation of the double balance mechanism and lifting crawling ladder mechanism rotate is driven by the rotating mechanism controlled by remote control signals, and maintainers can finish the hot-line work on the lifting crawling ladder mechanism. According to the invention, the platform can significantly improve the controllability and security in aerial hot-line work operation of maintainers, the hot-line work times can be greatly improved, the hot-line work efficiency can be improved, the hot-line work technological level can be improved, the adaptability of the hot-line work in daily work can be further improved, the safe operation level of distribution network lines can be improved, the power supply reliability can be improved, the strength and technological level a power supply enterprise is shown for clients through no power-off operation, so that the good image the power supply enterprise is established, the investment confidence of the clients is improved, the power sale quantity is increased, and the economic benefit of the power supply enterprise is improved.

The invention refers to a kind of GW6-16-17-21 outdoor isolating switch inspecting terrace applicable to 220KV. It is made up of an upper platform, rope tightening ring, main pole, a supporting outer pipe, inner pipe, a suspending ring, stirrup storing device, outer pipe stirrup, an upper fixing hardware fitting, a bottom board, a subjacent platform, inner pipe stirrup, a tightening hook. The character lies in: the main pole uses steel pipe or high intensity aluminum alloy material to produce the supporting outer pipe and the inner pipe, the inner pipe can rise in the supporting outer pipe, the bottom of the upper platform is connected with the inner pipe with tube type, the invention may sets a monomer subjacent platform or two platforms symmetrically left and right, there sets a upper platform on top of the main pole. The design is reasonable, the operation is simple. It is convenient, safe and reliable.

The invention discloses an auxiliary troubleshooting system for a master control room, and relates to the field of power industry substation robots. The auxiliary troubleshooting system comprises an AI robot trolley. The AI robot trolley comprises a carrying platform and two pairs of wheels installed at the bottom of the carrying platform side by side. A power module is arranged on the carrying platform. The power module adopts a 12V wireless charging module, and the wireless charging module carries out charging continuously in the running state of the trolley. The troubleshooting system is realized through four layers including a sensing layer, a network layer, a platform layer and an application layer. The sensing layer collects corresponding data collected by various sensing modules andtransmits the data to the platform layer for analysis through the network layer, a solution instruction is sent to a WIFI wireless relay of the application layer according to a solution obtained through visual identification and big data analysis, and the solution instruction is processed through the WIFI wireless relay. If the abnormal condition is not handled, operation and maintenance personnel are remotely notified to carry out manual handling. The system has the beneficial effects that power grid accidents are prevented, the cost is saved, and benefits are created.

The invention discloses a load aggregator-oriented distributed energy storage control optimization scheduling method, which obtains system historical data for load forecasting and new energy output forecasting; establishes user operation self-scheduling objective functions equipped with distributed energy storage and user Self-scheduling constraints; establish the optimal purchase strategy and operation scheduling objective function of distributed energy storage control rights and the optimal purchase strategy and operation scheduling constraints of distributed energy storage control rights; determine the aggregation under the transaction mode of distributed energy storage control rights The energy storage purchase strategy and operation scheduling method of the provider, the purchase plan of optimizing the energy storage control right; the scheduling plan of the aggregator for user load; the cost reduction of users participating in the transaction and the economic benefits of the aggregator. The invention improves the utilization rate of distributed energy storage, reduces the peak-valley difference of the power system, and contributes to social benefits to a certain extent.

The invention relates to an automatic closing apparatus of a low-voltage universal circuit breaker. The automatic closing apparatus comprises a control unit that is connected with a power inlet wire of a low-voltage universal circuit breaker by a pair of normally-closed auxiliary contacts (DF) of the low-voltage universal circuit breaker. The control unit contains a coil of a time relay (KT); a first normally-open contact (KT-1) of the time relay (KT) is connected in series with a coil of a first alternating-current contactor (KM1) and then is connected in parallel with the coil of the time relay (KT); and a second normally-open contact (KT-2) of the time relay (KT) and a coil of a second alternating-current contactor (KM2) are connected in series and then are connected in parallel with coil of the time relay (KT). The application of the apparatus demonstrates that the power sending recovery time for users by a cell transformer station is effectively shortened with the apparatus, the power sale quantity is increased, the power supply capability of the distribution grid is improved, and the service level is enhanced.

The invention relates to a tool for the live replacement of an over-voltage protection device of a distribution line. The distribution line comprises a conducting wire, a cross arm, an insulator and the over-voltage protection device, wherein the over-voltage protection device and the insulator are arranged in parallel between the conducting wire and the cross arm. The tool comprises an insulating bracket and an insulating operating rod. The insulating bracket comprises a bracket body and a fastening component. The lower end of the bracket body is fixed on the cross arm of the line through the fastening component, and the upper end of the bracket body jacks the conducting wire. The insulating operating rod comprises a chuck, a fastening bolt, an upper cover and a lower cover. One end of the chuck penetrates through the upper cover, and then is fixed. The lower cover is connected with the upper cover through the fastening bolt. After the bracket body jacks the conducting wire, the chuck clamps the over-voltage protection device. Compared with the prior art, the tool has the advantages of ensuring live work, shortening interruption duration, increasing a power supply volume, and the like.