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56results about How to "Improve ROI" patented technology

Urban bus dynamic scheduling optimization method and system

ActiveCN107330547AImprove operation scheduling efficiencyLow costForecastingResourcesDecision modelOperational costs
The present invention belongs to the data processing technology field, and discloses an urban bus dynamic scheduling optimization method and system. The method comprises: on the basis of obtaining information such as degree of congestion of a bus, a road congestion condition, bus real-time location and the like, establishing a three-layer scheduling decision model comprising a time frame bus-times model, a departing time decision model and a path changing model; realizing information interaction of people, vehicles and roads through an internet technology; determining optimal time frame bus times through the time frame bus-times model from the beginning of balancing bus operating cost, passenger waiting time and riding comfort; taking the maximum total meeting times and the minimum total meeting stations of an area as a target regulation departing moment through the departing time decision model so as to effectively reduce the probability of transferring and waiting; and employing the idea of being far away from a jamming road by employing the path changing model to effectively improve the running speed and reduce the following station passenger waiting time, and arranging response stations to allow passengers having missed the stations to get off.
Owner:CHONGQING JIAOTONG UNIVERSITY

Small-sized self-walking hand mower

The small self-propelled walk type mower is composed of reel bat, vertical header, machine rack, gasoline engine, transmission mechanism, hand throttel, hand controlled mechanism, land wheel, transmission mechanism and cutter constitution. After the gasoline engine power changes speed through the transmission mechanism, and changes the gear shift through clutch handle by clutch, it is sent to the land wheel, reel, transmission mechanism and cutter, the nearside divider separates the grazing which is needed to be cut from the grazing which is not needed to be cut, the reel holds the upright grazing or the lodging grazing then pushes them to the header for cutting, the transmission mechanism transmits the grazing to the left side of the mower then puts them on the ground neatly, in order to realize the technology innovation of grazing cutting and transmitting, at the same time to prevent the grazing from plugging on the header or winding on the reel. The machine which can adapt to the grazing mowing work on the lower hilly region, river table land and small block ground in plain region, is operated by one person's hands and has the advantages of easy operation, convenient transportation, lower cost and wide application prospect.
Owner:刘万里

Airflow power generation system and method

The invention relates to an airflow generating system and a method thereof. The system comprises an air source, a passage, at least an unpowered air draft device and at least a turbine generator set, wherein, the passage comprises an airflow inlet and an airflow outlet which are communicated with the air source; the unpowered air draft device is installed at the airflow outlet and is positioned in a natural wind field; the turbine generator set at least comprises rotating blades positioned in the passage; and driven by the airflow of the air source and / or the external wind power, the unpowered air draft device forms the negative pressure in the passage, and constantly sucks in air from the air source to form the airflow in the passage, and the airflow pushes the rotating blades to rotate so as to drive the turbine generator set to generate electricity. The system of the invention can constantly run, stably generate electivity, lower the dependence on weather and overcome the unicity and the limitation of clean energy of single type.
Owner:彭坚宁

User recognition method and device

The invention discloses a user recognition method and device. The method comprises the following steps of: obtaining an internet surging log of a user, and extracting equipment IDs and browsing behavior information thereof from the internet surfing log; aiming at every two undetermined equipment IDs, determining appointed feature values according to the browsing behavior information; and if the appointed feature values satisfy an appointed rule or are classified into appointed types according to a pre-learnt classification model, recognizing that the two undetermined equipment IDs belong to asame user. According to the method and device, the fact that different equipment IDs belong to a same user can be realized, and the advertisement putting ROI can be improved for advertisers.
Owner:北京秒针信息咨询有限公司

Method for achieving anti-snaking broadband energy absorption mechanism and optimal configuration method for parameters of bogie

ActiveCN105109510AOvercome constraintsMeet the technical requirements of cross-line applicationBogiesBogieEnergy absorption
The invention discloses a method for achieving an anti-snaking broadband energy absorption mechanism and an optimal configuration method for the parameters of a bogie. According to the method and the optimal configuration method, a dynamic design method is mainly applied, and lead-lag correction of unstable snaking oscillation phenomena of the bogie is achieved in a self-adaptive control manner; an anti-snaking redundant design form of an ICE3 prototype is borrowed, the anti-snaking broadband energy absorption mechanism is achieved through combination application of novel anti-snaking vibration reducers, and the method and the optimal configuration method are simple and applicable; and an anti-snaking soft constraint or anti-blocking technology is borrowed, the hydraulic rigidity is properly reduced, and rheology nonlinear influences are avoided. By means of the method and the optimal configuration method, the design defects of the ICE3 bogie prototype are overcome, a high-speed-rail passenger-dedicated development manner is gradually changed, and then the rate of return on investment is increased; in addition, the adaptability and the friendliness to track lines are improved, and the railway construction investment cost can be saved; and meanwhile the robustness of perturbation or disturbance of natural factors is improved, and particularly when the method and the optimal configuration method are used for mountain lines, and the structural technical service cost can be obviously reduced.
Owner:DALIAN JIAOTONG UNIVERSITY

Solar energy utilization device and application method

The invention provides a solar energy utilization device and an application method. A fixed reflector provided with a shallow camber-shaped reflection surface is utilized for reflecting sunlight, anda tracking mechanism is utilized for operating a receiver for tracking the sunlight collected by the reflection of the reflector. By adopting the fixed shallow camber-shaped reflection surface, the solar energy utilization device greatly simplifies the structure, reduces the manufacturing cost and can bear gale and other severe environments, and simultaneously, compared with the existing linear concentration solar device with the fixed reflection surface, the solar energy utilization device can effectively reduce the defocusing degree, thereby achieving a higher concentrating ratio. The reflector comprises a coreboard to which a reflecting layer is attached, and the coreboard comprises an upper base board, a lower base board and an intermediate thermal insulation layer. A tongue-and-groovesealing strip is installed on the lateral surface of the coreboard, and the coreboard can be used as a roof board, a thermal insulation board, a wallboard, a floorboard and the like. The receiver canbe a vacuum tube collector or a solar panel. The solar energy utilization device can be fixed on a locking device at a terminal of the reflector under severe weather and other extreme conditions.
Owner:孙涛

Ultrasonographic perfusion parameter imaging method based on single-pixel TIC source

ActiveCN104688272AImprove SCRSuppression of clutter interferenceBlood flow measurement devicesInfrasonic diagnosticsMoving averagePerfusion
The invention provides an ultrasonographic perfusion parameter imaging method based on a single-pixel TIC source. The method comprises the following steps: extracting original TIC under each pixel unit of an ultrasonographic sequence video image; carrying out effective TIC screening, bidirectional weighted moving average filtering and bolus perfusion model fitting on the original TIC to obtain a high-SCR single-pixel TIC matrix; respectively extracting time class, strength class and specific value class of perfusion parameter matrixes in the single-pixel TIC matrix, and carrying out pseudo-color encoding. The process of extracting the TIC of the ultrasonographic sequence video image by single pixel ROI is automatically carried out, and the SCR of the TIC under the single-pixel ROI is greatly improved and the interference of noise wave is inhibited by virtue of the combination of bidirectional weighted moving average filtering and lognormal bolus perfusion model fitting. Compared with traditional perfusion parameter evaluation and imaging, the ultrasonic blood perfusion parameter imaging based on the single-pixel TIC source contains the most abundant detail information and is more visual.
Owner:XI AN JIAOTONG UNIV

Integrated refining system and process using oil shale retorting gas to produce hydrogen and upgrade

The invention discloses an integrated refining system and process using an oil shale retorting gas to produce hydrogen and upgrade. The system comprises an oil shale destructive distillation unit, a shale oil hydrogenation and upgrading unit, a methane vapor reforming unit and a building material production unit, wherein the methane vapor reforming unit comprises a vapor reforming reactor, a CaO regenerative combustion furnace, a compression heat exchanger, a vapor reforming gas flash-evaporation tower and a transformation adsorption device. According to the system and process disclosed by the invention, methane reforming reaction is carried out onto the destructive distillation gas, a hydrogen source is provided for shale oil hydrogenation and upgrading, complementary utilization of the destructive distillation gas and the shale oil hydrogen element is realized, and waste fragment shale of the oil shale destructive distillation unit is combusted to provide heat for roasting CaCO3 in the CaO regenerative combustion furnace, so that utilization efficiency of resources and energy resources is improved. According to the system and process disclosed by the invention, economic benefits of the existing oil shale oil-refining and upgrading processes can be remarkably improved, resource utilization rate of the process is increased, and emission of solid waste and an industrial waste gas is reduced.
Owner:SOUTH CHINA UNIV OF TECH

Environment-friendly and energy-saving integrated cast-in-situ lightweight concrete wall and construction method thereof

The invention discloses an environment-friendly and energy-saving integrated cast-in-situ lightweight concrete wall and a construction method thereof. The wall comprises a wall body made from formwork cast-in-situ lightweight concrete, and tie bars. The tie bars are arranged on structure columns at the two ends of the wall body and located on a structure beam on the top of the wall body and anchored in the wall body. Wire boxes and pipelines are embedded into the wall body. Holes and door and window holes are reserved in the wall body. The cast-in-situ process is adopted, construction is convenient and rapid, the flatness of the wall obtained after formwork removal is high, plastering is not needed, rendering is avoided, and building rubbish is reduced. The wall is high in strength and capable of being suspended, bolts can be directly embedded, the problems that formwork collapse is caused by too high lateral pressure during vertical pouring of foam concrete, and layering non-uniformity is generated due to sedimentation are solved, one-time pouring can be achieved for the wall with the vertical height of 3-4 m, the whole construction process is shorted by almost half compared with the brick laying construction period, construction efficiency is improved, engineering management cost is reduced, the rate of return on investment is increased, and good economic benefits and social benefits are achieved for enterprises.
Owner:GUANGDONG PROVINCIAL ACAD OF BUILDING RES GRP CO LTD +1

Externally arranged steam cooler system in heat regenerative system of power plant and heat regenerative system

The invention provides an externally arranged steam cooler system in a heat regenerative system of a power plant and the heat regenerative system. The heat regenerative system comprises multiple stages of water feeding heaters, a deaerating heater, a water feeding pipeline and a water drainage pipeline. The externally arranged steam cooler system comprises an externally arranged steam cooler and a steam pipeline, wherein the externally arranged steam cooler is arranged on the water drainage pipeline of the water feeding heaters, a steam inlet of the externally arranged steam cooler is communicated with a superheat-degree steam suction port of a steam turbine through a pipeline, and the externally arranged steam cooler is used for heating water drained from the water feeding heaters. Compared with a system in which high-pressure feeding water is heated directly through an existing externally arranged steam cooler system by utilization of the superheat degree of superheat-degree steam, the externally arranged steam cooler system in the heat regenerative system of the power plant can improve efficiency of a thermal system, can remarkably lower the fabricating cost of equipment and the pipelines, can improve the rate of return on investment and can expand the application scope of the energy-saving and consumption-lowering technology at the same time.
Owner:CHINA POWER ENG CONSULTING GRP CORP EAST CHINA ELECTRIC POWER DESIGN INST

Futures recommendation method and system based on data analysis

The invention discloses a futures recommendation method and system based on data analysis. The method comprises the following steps of collecting historical futures data samples, wherein the historical futures data sample comprises futures transaction information of each futures and corresponding transaction type tags; establishing a futures data-based risk control model according to the collectedhistorical futures data samples, predicting current futures transaction information according to the established futures data-based risk control model, and recommending high-probability futures withrevenue periods for selection according to a prediction result of predicting the current futures transaction information. By means of the method, high-probability futures with the recommend income period can be selected, and the probability of investment income of investors in the futures market can be increased.
Owner:PUTIAN UNIV

Steel strip degreasing process

The invention discloses a steel strip degreasing process. The steel strip degreasing process comprises the steps of: steel strip precleaning, chemical degreasing, spray brushing, electrolytic degreasing, cleaning section and hot air drying. The steel strip degreasing process has the following advantages and beneficial effects: as steel strip degreasing production line and process are improved, the viscosity of oil stains on a steel strip is reduced, the infiltration capacity with alkaline liquid is improved, the oil stain removing efficiency is promoted,the whole degreasing efficiency is improved, the practicability is strong, and the operability is excellent; and the process is simple and feasible, is convenient to realize, is obvious in product quality promoting effect, and is high in improvement and transformation investment benefits.
Owner:TIANJIN FUREN STRIP

Single reheat pressurizing steam turbine thermodynamic system

ActiveCN103821574AGreat effortImprove thermal efficiency of power generationSteam useCoalEngineering
The invention discloses a single reheat pressurizing steam turbine thermodynamic system. The single reheat pressurizing steam turbine thermodynamic system is characterized in that a high parameter steam turbine generator set is provided with a back pressure steam extraction cylinder, the back pressure steam extraction cylinder and an ultra-high pressure cylinder are arranged to be separated or combined, a heat return and single reheat thermodynamic circulation system is provided with a second high pressure heater used for heat return, and extracted steam of the second high pressure heater is guided and connected from exhausted steam of the back pressure steam extraction cylinder. According to the single reheat pressurizing steam turbine thermodynamic system, the electricity generation heat efficiency is further improved, coal consumption for power supply is reduced, and the capacity of the set is obviously improved.
Owner:CHINA POWER ENG CONSULTING GRP CORP EAST CHINA ELECTRIC POWER DESIGN INST

Double-reheat supercharged steam turbine thermal system

ActiveCN103806966AGreat effortImprove thermal efficiency of power generationSteam useEngineeringHigh pressure
The invention discloses a double-reheat supercharged steam turbine thermal system which is characterized in that a high parameter steam turbine generating set is provided with a back pressure steam extraction cylinder; the back pressure steam extraction cylinder and an ultrahigh pressure cylinder are set into a split or combined structure; a regeneration and double-reheat thermal cycle system is provided with a second high pressure heater for regeneration; steam extraction of the second high pressure heater is led from steam exhaust of the back pressure steam extraction cylinder. The double-reheat supercharged steam turbine thermal system disclosed by the invention further improves thermal efficiency of electricity generation, reduces power supply coal consumption, and obviously increases the unit output.
Owner:CHINA POWER ENG CONSULTING GRP CORP EAST CHINA ELECTRIC POWER DESIGN INST

Method for determining weight of evaluation index of rural power grid renovation and upgrading project

The invention relates to a method for determining the weight of an evaluation index of a rural power grid renovation and upgrading project. According to the method, first, the subjective weight is determined with an analytic hierarchy method; secondly, statistic analysis is performed on historical data of a rural power grid, and the objective weight is determined with a mean-variance method; finally, the subjective weight and the objective weight are integrated through multiplication, and the final index weight is determined. Not only are influences caused by subjective deviation avoided, but also the objective actual conditions can be fully reflected, and scientificity and accuracy of index weight assignment can be effectively improved.
Owner:STATE GRID CORP OF CHINA +1

Interface testing method and device

PendingCN111198813AImprove ROIImprove human-efficiency ratioSoftware testing/debuggingAutomatic processingE testing
The invention discloses an interface testing method and device, and relates to the technical field of computers. One specific embodiment of the method comprises the steps of executing a preset test operation, wherein the preset test operation comprises the steps of running a test script and sequentially detecting test script exception and test case exception; if it is detected that the test scriptis abnormal, determining a change factor by using the identifier of the test script and the identifier of the tested interface parameter nesting link text, updating the test script according to a corresponding repair strategy, and then re-executing a preset test operation; if detecting that the test case is abnormal, updating the test case, executing the test script again by utilizing the updatedtest case, and detecting the test case abnormal condition again; and generating a test result under the condition that the test script exception and the test case exception do not exist. According tothe method, the problems of test scripts and incomplete test cases can be automatically solved, manual participation is completely not needed in the interface test intermediate execution process, theinterface test ROI is improved, the human-to-effect ratio is increased, and the quality of the tested system is better guaranteed.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Comprehensive energy simulation planning design system

The invention relates to a comprehensive energy simulation planning design system. The system comprises a map import module, a condition planning module, a resource statistics module, an index settingmodule, a load estimation module, a scheme setting module and a scheme optimization module. Energy is supplied to the to-be-supplied area from the energy station area with the lowest operation cost,the maximum renewable energy utilization rate and the highest investment yield as the targets, and therefore reasonable distribution and utilization of energy are achieved.
Owner:BEIJING GAS & HEATING ENG DESIGN INST +1

Method and system for targeted delivery of mobile advertisements

The invention discloses a method and a system for directionally putting a mobile advertisement. The method comprises the following steps of: 1) making a dictionary for keyword word segmentation; 2) extracting user keywords; 3) establishing a user keyword feature weight library; 4) generating a keyword feature model; 5) obtaining a keyword set; 6) extracting target audiences; 7) mobile advertisement putting. According to the method, the keyword feature generation algorithm model is selected based on the advertisement user request information to implement the keyword extension scheme, then the target audience crowd is obtained through the recommendation word set, the advertisement is guided to be put in the audience crowd which is in closer contact with the advertisement content, and finallypositioning putting of the mobile advertisement is completed.
Owner:DONSON TIMES INFORMATION TECH CO LTD

Process for preparing foundry coke

The invention discloses a method for preparing foundry coke, employing blind coal as stock, disintegrating it separately into three grade size: 1~3mm, 0.18~1mm, <0.18mm, for reservation. Adding coal pitch and coal tar as adhensive, filling the mixing and kneading pot with the said three blind coal, stirring at the temperature 110~130 DEG C for 10 minutes, adding the fused coal pitch and coal tar into the mixing and kneading pot, stirring for 10 minutes. Employing pair roller forming or press forming to the mixed and kneaded sample for forming, then setting for 24 hours, for reservation. Feeding the retort with formed sample for warming-up and charring, covering the surface of the sample with pulverized coke for air insulation and avoiding oxidization; cooling in natural way after charring to normal temperature, removing the pulverized coke, fetching it out and getting the needed product.
Owner:常泰建设集团有限公司 +1

Continuous steel-strip degreasing method

The invention discloses a continuous steel-strip degreasing method. The continuous steel-strip degreasing method comprises the steps of soaking in alkali liquor, washing with the alkali liquor, electrolytic degreasing, derusting with acid liquor, washing with fresh water and rinsing with fresh water. A steel strip is subjected to oil fouling viscosity reduction in advance before being soaked in the alkali liquor, so that the oil fouling and alkali liquor infiltration capability is improved, accordingly, the oil fouling removal efficiency in the follow-up procedures is improved, and finally, the integral degreasing efficiency is improved.
Owner:CISDI ENG CO LTD

Pressurization main machine coaxial driving feed water pump system comprising pure condensing steam extraction small steam turbine

ActiveCN105822360AGreat effortImprove thermal efficiency of power generationMachines/enginesElectricityEngineering
The invention provides a pressurization main machine coaxial driving feed water pump system comprising a pure condensing steam extraction small steam turbine. The pressurization main machine coaxial driving feed water pump system is additionally provided with a second back pressure steam extraction steam cylinder. The steam inlet end of the second back pressure steam extraction steam cylinder is connected with the steam outlet end of a high pressure cylinder. The steam outlet end of the second back pressure steam extraction steam cylinder is connected with the water inlet end of a condensate pump after steam is condensed through a second condenser. The pressurization main machine coaxial driving feed water pump system comprising the pure condensing steam extraction small steam turbine can further improve the thermal efficiency of electricity generation and reduce electricity supply coal consumption; and meanwhile, the unit output is increased to generate more electricity, and the rate of return on investment is increased.
Owner:国能浙江北仑第一发电有限公司 +2

A realization method of an anti-snaking broadband energy-absorbing mechanism and a bogie parameter optimization configuration method

ActiveCN105109510BOvercome constraintsMeet the technical requirements of cross-line applicationBogiesBogieControl manner
The invention discloses a method for achieving an anti-snaking broadband energy absorption mechanism and an optimal configuration method for the parameters of a bogie. According to the method and the optimal configuration method, a dynamic design method is mainly applied, and lead-lag correction of unstable snaking oscillation phenomena of the bogie is achieved in a self-adaptive control manner; an anti-snaking redundant design form of an ICE3 prototype is borrowed, the anti-snaking broadband energy absorption mechanism is achieved through combination application of novel anti-snaking vibration reducers, and the method and the optimal configuration method are simple and applicable; and an anti-snaking soft constraint or anti-blocking technology is borrowed, the hydraulic rigidity is properly reduced, and rheology nonlinear influences are avoided. By means of the method and the optimal configuration method, the design defects of the ICE3 bogie prototype are overcome, a high-speed-rail passenger-dedicated development manner is gradually changed, and then the rate of return on investment is increased; in addition, the adaptability and the friendliness to track lines are improved, and the railway construction investment cost can be saved; and meanwhile the robustness of perturbation or disturbance of natural factors is improved, and particularly when the method and the optimal configuration method are used for mountain lines, and the structural technical service cost can be obviously reduced.
Owner:DALIAN JIAOTONG UNIVERSITY

Sidetrack well optional drilling-grinding-free well completion device and method

The invention provides a sidetrack well optional drilling-grinding-free well completion device and method. The sidetrack well optional drilling-grinding-free well completion device comprises positioning centralizers and removable drilling-grinding-free windowing devices; the positioning centralizers are located in a shaft, the exact position of a sidetrack well section is positioned, and the shaftand a sleeve are centralized; the removable drilling-grinding-free windowing devices are located in the position, at a oil reservoir part needing windowing and sidetrack drilling, of the sleeve, whena windowing sidetrack well section needing to be branched is drilled, the removable drilling-grinding-free windowing devices are remotely controlled to be started, a sleeve section needing to be subjected to sidetrack drilling and windowing is directly opened, and the position, at the windowing part, of the sleeve does not need to be drilled and ground. According to the sidetrack well optional drilling-grinding-free well completion device and method, the sidetrack well drilling cost is greatly reduced, the well drilling efficiency is improved, the actual well drilling cycle of a sidetrack well and a sidetrack horizontal well is shortened, the investment efficiency and return rate are improved, the labor intensity of operators is relieved, the operation time is shortened, and the operationcost is reduced.
Owner:CHINA PETROLEUM & CHEM CORP +1

Method and equipment for automatic production of macromolecule wear-proof sliding-proof sole

The present invention relates to automatic production process and apparatus of antiwear skidproof polymer shoe sole. The production process includes milling rubber powder and / or crude rubber into semi-sulfurized rubber sheet, pressing shoe sole blank in a continuous rolling shoe sole press, conveying with automatic belt conveyer, sulfurizing in a far infrared sulfurizing room at 120-220 deg.c and 3.0-50.0 MPa for 3-30 min, automatic demolding, and edge trimming to obtain shoe sole. The mechanical process has low cost, high product quality and high efficiency, and may be used in producing various kinds of shoe soles.
Owner:何永峰

Stock selection method, system and device based on weight sums of factors

InactiveCN107844589AReduce learning costs and time costsImprove ROIFinanceSpecial data processing applicationsRankingSelection method
The invention discloses a stock selection method, system and device based on weight sums of factors, wherein the method includes: extracting, by a calculation module, a stock factor association tablein a database, wherein the stock factor association table contains all stocks and one or more factors allocated to each stock, and each factor is a characteristic label; acquiring, by the calculationmodule, weights of the corresponding factors from the factor database according to the factors contained in each stock; calculating, by the calculation module, weighted sum of factor weights of each stock; ranking, by the calculation module, the stocks from large to small according to the weights, and pushing results.
Owner:武汉优品楚鼎科技有限公司

Large file exchange method

The embodiment of the invention provides a large data file exchange method. The method comprises the following steps: a sender splits a large file into small data packets; the small data packets obtained from splitting are sequentially exchanged, a data abstraction layer is created, and the attribute information of each packet is recorded in the data abstraction layer; and after receiving all the split data packets, a receiver groups the packets according to the attribute information recorded in the data abstraction layer to recover the large file. By adopting the large data file exchange method provided by the embodiment of the invention, big data exchange in a heterogeneous environment can be realized.
Owner:FORESEE TECH

Low-voltage portable pluggable refined reactive power compensation device and monitoring system

The invention discloses a low-voltage portable pluggable refined reactive power compensation device and a monitoring system, and belongs to the technical field of reactive power compensation devices, the low-voltage portable pluggable refined reactive power compensation device comprises a waterproof box body, a plurality of plugging supports are arranged in the waterproof box body, the plugging supports are uniformly arranged from top to bottom, and compensation modules are arranged on the plugging supports. And an acquisition control module is arranged in the waterproof box body. According to the invention, the standard refinement and stepped compensation unit is directly inserted into the compensation bin after rapid capacitance matching, a master control compensation mode is set, and the standard refinement and stepped compensation unit is installed by using a matched hardware single rod or fixed on the ground and put into operation after being connected in parallel. Telemetering, telesignaling and capacitance value monitoring are supported, anti-theft early warning is achieved, and transportation and installation are convenient. The cloud monitoring platform and the mobile phone APP can monitor the operation condition in real time, and the device is suitable for 0.4 kV voltage grade distribution lines and is mainly used for low power factor or low power supply voltage caused by insufficient reactive compensation due to aging, damage and failure of the reactive compensation device.
Owner:广西电网有限责任公司梧州供电局
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