129 results about "Charge number" patented technology

A method for implementing an anonymous face to face or Mail Order Telephone Order credit card transaction by a user who has established a user account associated with a fictitious name. The user generates a valid personal charge number by executing an algorithm in a computer affixed to the electronic credit card that uses a user key and a card number as input variables. A merchant is provided with the valid personal charge number and the fictitious name that is submitted for approval to a credit approval center. The electronic credit card is sized such that a standard magnetic stripe reader can read it.

The invention relates to a titanium-based multi-metal oxide catalyst for removing diesel engine NOx by NH3-SCR in a wide temperature window, belonging to the technical field of exhaust contaminant control on diesel engine tail gas. The catalyst uses nano TiO2 as a carrier, uses metal oxides V2O5, CeO2, MnO2 and Fe2O3 as main active components, and uses WO3 and MoO3 as catalyst promoter components, wherein the contents of the main active component in the catalyst respectively are as follows in percentage by weight: 48-84% of TiO2, 1-3% of V2O5, 5-15% of MnO2, 1-5% of CeO2, 1-5% of Fe2O3, 3-9% of WO3 and 5-15% of MoO3. The preparation process of the catalyst comprises the following steps: pre-activating the TiO2; and determining charge numbers of the metal oxide main active components and the catalyst promoters, and charging the metal oxide main active components and the catalyst promoters. By replacing high poisonous V oxides with Ce, Mn and Fe oxides, the invention reduces environmental hazard of the catalyst, greatly improves the low-temperature activation and the high-temperature selectivity, and effectively decreases NOx in the wide temperature window of 100-550 DEG C. The catalyst has high sulfur poisoning resistance and water poisoning resistance, and is suitable for high-sulfur diesel fuel and urban road conditions in China.

The invention discloses a method for measuring partially coherent vortex light beam topological charge number. A measured light beam passes through an imaging convex lens and then passes through a beam splitter to be divided into a transmission light beam and a reflection light beam, optical fiber scanning probes of two single-photon counters are respectively arranged at the centers of the transmission light beam and the reflection light beam, the position of a single-photon counter optical fiber probe is fixed, the position of the other single-photon counter optical fiber probe is regulated to perform point-by-point scanning measurement, correlation function values of the two beams on measuring position points are recorded, a spatial distribution image of a fourth-order correlation function is output through computer processing according to fourth-order correlation function relationship of partially coherent laguerre-gaussian beams, and the topological charge number of the beam to be measured is obtained through the number of dark rings on the image. The method is based on the fourth-order correlation function, a novel method for measuring the partially coherent vortex light beam topological charge number is provided, an adopted measuring device is simple in light path and easy to achieve, measuring method is simple, data processing is convenient, and result is reliable.

The present invention provides a method and device for predicting a battery life, relating to the technical field of battery detection. The method is executed by a server which is in communication connection with a charging terminal. The method comprises a step of obtaining a current charging record of a battery through the charging terminal, wherein the charging record comprises starting power and ending power of the charging terminal and a starting value and an ending value of the remaining power of the battery, a step of determining a current capacity efficiency of the battery according to the current charging record, a step of determining a charging number of times corresponding to the current capacity efficiency through a pre-established battery capacity attenuation table, wherein the battery capacity attenuation table records a corresponding relation between capacity efficiency and a charging number of times, and a step of generating a life prediction result of the battery according to the charging number of times. The above battery life prediction mode is simple and convenient and has low cost, and a user can conveniently and clearly understand the service life of the battery after charging the battery.

The invention relates to an integrating method of three-dimensional spatial distribution vortex arrays, and belongs to the field of diffraction optics. A pure-phase code of a two-dimensional uniform-strength vortex optical grating and a pure-phase code of a spiral Dammam wave zone plate are obtained through analytic operation and an optimization algorithm respectively, phase information of the pure-phase codes is overlaid, a lens factor is introduced, discretized phase values are loaded to a spatial light modulator according to the pixel number and the pixel size of the spatial light modulator, and then the corresponding three-dimensional vortex arrays can be obtained. According to the method, the equal-strength and regular-distribution three-dimensional vortex arrays can be obtained, and each vortex beam in the arrays has the specific topological charge number.

The invention discloses a self-assembly method for a high-load inorganic nano particle hybridized organic membrane, which belongs to the technical field of membranes. The method comprises the following steps of: preparing membrane-forming solution from polycations and polyanions respectively, adding amphoteric oxide nano particles respectively, and adjusting pH values; performing ultrasonic treatment and centrifugation, and replacing solvents to prepare polyion nano particle envelope solution; impregnating a substrate or a basal membrane in the polyion nano particle envelope solution or performing dynamic filtration to form a membrane layer, and performing washing and blow-drying; impregnating the substrate or the basal membrane in the polyion nano particle solution loaded with opposite charges; performing the washing and the blow-drying; and repeating the membrane-forming, the washing and the blow-drying to form an inorganic nano particle hybridized polyelectrolyte membrane. The method has the advantages of hybridizing a polycation layer and a polyanion layer with the nano particles, improving the charge numbers of the nano particles in the double layers and effectively overcoming the defect of easy stripping of organic and inorganic layers of the prepared membrane during hybridization.

An oxidation sweetening method for fuel oil selecting modified titanium-silicon molecular screen as accelerating agent belongs to technical sphere of petroleum process. The invention provides an accelerating agent of modified titanium-silicon molecular screen which can be used in oxidation sweetening of fuel oil. The charge number of earth silicon in this invention adopting immersion method is 1.0wt%-3.0wt%. The obtained modified titanium-silicon molecular screen is used for catalytic and oxidation desulfurization of fuel oil. The significance effect of this invention is that it improves the repetitive use of accelerating agent in oxidation sweetening reaction. The method includes selecting modified titanium-silicon molecular screen as accelerating agent and removing sulfidization of fuel oil by hydrocarbonylation, which can reduce the sulfur content of fuel oil to 29.7 mu / g from 226.1 mu / g and reach deep desulfuration, and the accelerating agent can be recovered and the catalytic oxidation susceptibility of the recovered accelerating agent is good. The invention is of mild reaction condition, simple equipment and no consumption of hydrogen gas.

This invention relates to a multi-process information process method and a multi-process ticket process method, in which the ticket process method used in parallel process to tickets in the charge system includes 1, setting up a shared memory for every process, 2, the process fetches the tickets for processing in the shared memory block, 3, distributing the tickets and storing them in the shared memory according to the preset load balance rule based on the current occupation situation of the memory block and storing the tickets with the same charged numbers in a same shared memory.

The present invention relates to a flight body angular velocity measurement method based on a vortex light rotation Doppler effect. The flight body angular velocity measurement method based on vortex light rotation Doppler effect is characterized in that according to the vortex light rotation Doppler effect principle, a vortex light generation system and a measurement system are placed on a flight body rotating shaft; firstly, the vortex light of which the orbital angular momentum topological charge number is 1 is generated according to a vortex light wave function and by utilizing a phase modulation method; the vortex light generation system and the synchronous rotation of a vortex light beam and a flight body induce an rotation Doppler effect, so that the vortex light carries the flight body motion information; a vortex light path is adjusted, the transmission direction of the vortex light path is changed, and the waveform of the vortex light is received and measured after the modulation and filtering; the flight body motion information carried by the vortex light is extracted by the waveform analysis, and the flight body angular velocity information is obtained by utilizing a vortex light rotation Doppler effect conclusion. The flight body angular velocity measurement method based on the vortex light rotation Doppler effect of the present invention belongs to the new concept gyro field in an inertial technology, and can be applied to the high-precision flight body angular velocity measurement.

The invention provides an electric current balancing method and system for multi-battery or multi-battery-pack parallel connection charging or discharging. The electric current balancing method and system are suitable for discontinuous currents, easy to implement and effective in implementation. The electric current balancing method and system comprise a plurality of parallel branches formed by a plurality of batteries or battery packs, each parallel branch comprises a battery or battery pack, a low-resistance switch passage and a voltage reduction component passage, and the low-resistance switch passages are connected with the voltage reduction component passages in parallel. When low-resistance switches are turned on, discharged or charged currents only flow through the low-resistance switch passages, the low-resistance switches are controlled by the pulse width adjustment to be turned on or turned off, and the discharged or charged currents of the batteries or battery packs are adjusted in real time; When the low-resistance switches are turned off, the currents only flow through the voltage reduction component passages, and voltage reduction components adjust the voltage, relative to other batteries or battery packs, of the batteries or battery packs. Balancing of the charged and discharged charge number of the multiple batteries or battery packs is achieved by a plurality of algorithms through time integrations, and the balanced control over the discharged current or the charged current when the multiple batteries or battery packs are charged and discharged in a parallel connection mode is achieved.

The invention relates to a nano carbon tube capacitive type touch screen and a production and manufacturing method of the nano carbon tube capacitive type touch screen. The structure comprises a cover plate layer, an OCA (Optically Clear Adhesive) optical adhesive layer and a nano carbon tube transparent conducting thin film layer, wherein a line layer is further arranged on the lower surface of the nano carbon tube transparent conducting thin film layer; an electrode layer is arranged at the periphery of the line layer; the electrode layer is used for leading out the line layer; in a working process, a low-voltage alternating-current electric field is formed in the nano carbon tube transparent conducting thin film layer; when a finger of a user touches the surface of the nano carbon tube capacitive type touch screen, a coupling capacitor is formed between the finger and the nano carbon tube transparent conducting thin film layer; meanwhile, a certain number of charges are transferred to a human body; in order to recover charge loss, the charges are supplemented from four corners of the nano carbon tube capacitive type touch screen; the charge number supplemented in each direction is proportion to the distance to a touch point so that the position of the touch point can also be calculated.

The present invention provides a charging method and a mobile terminal. The method comprises a step of obtaining the number of first cycle charging of a battery, a step of determining a first charging parameter corresponding to the number of the first cycle charging according to a pre-established first corresponding relation between the cycle charging number and a charging parameter, and a step of charging the battery according to a first charging parameter. Through establishing the first corresponding relation between the cycle charging number and the charging parameter in advance, the charging parameter is determined, thus the charging parameter is dynamically changed with the number of cycle charging, and the problem that the charging mode of existing electronic equipment mostly is charging with a constant charging parameter and the service life of the battery is shortened is solved.

An image forming apparatus uses a two-component developer containing a toner and a carrier. The apparatus has a latent image bearer for bearing an electrostatic latent image. A toner bearer bears the toner to be conveyed to a development region to develop the electrostatic latent image. A developer bearer bears the two-component developer and supplies the toner to the toner bearer. A regulator sets the thickness of a toner layer carried on the toner bearer to 6 μm to 15 μm and sets a difference between a half width of a first toner charge number distribution as a number distribution of the charge amount of the toner carried on the toner bearer and that of a second toner charge number distribution as a number distribution of the charge amount of the toner in the two-component developer carried on the developer bearer to 0.8 (10−10 C / m) or smaller.

Provided is an image encryption method based on vortex beams and a phase recovery algorithm. The method includes the following two major steps of encryption and decryption, wherein in the encryption step, an image to be encrypted is encrypted into a phase plate on the basis of the phase recovery algorithm of iteration Fresnel transform under irradiation of the vortex beams, and the topological charge number, the light wave wavelength and the diffraction distance, used in iteration calculation of the phase recovery algorithm, of a spiral phase plate all become secret keys required in the decryption process; in the decryption step, the spiral phase plate and the phase plate obtained in the encryption process are correctly placed in an optical decryption system according to the parameter, namely, the diffraction distance, and then the decrypted image can be obtained on an output face of the system. The encryption method has the advantages that the decryption light path is simple in structure, the number of data to be transmitted and stored is small, and the security of the system is high.

The invention discloses a CCD imaging spectrometer image correcting method. A CCD imaging spectrometer forward data model is built for formulating noise and deviation in the CCD imaging process for reversing the later spectrum image data correcting process. In the spectrum imaging modeling process, corresponding parameters calibrated by a laboratory need to be adopted. Firstly, a dark current temperature correction factor is added for correcting the spectrum image dark current, and according to an imaging model, the space dimension dark current inconsistency is corrected. Secondly, according to the frame transfer time and the exposure time, the smear signal size is calculated by adopting the charge number as the standard. Finally, the CCD pixel response non-uniformity is collected throughuniform light radiation. By adopting the method, deviation and noise in the CCD imaging process can be effectively removed, and the later data inversion accuracy is improved.

The invention discloses an electroplating solution for surface pore filling of plate parts and an electroplating method thereof. The electroplating solution contains 0.1-200g / L tetravalent vanadium and 0.2-15g / L pentavalent vanadium. The tetravalent vanadium and the pentavalent vanadium which are added to the electroplating solution are capable of forming a quasi-reversible redox system, and in the redox system, the pentavalent vanadium is superior to bivalent copper in reduction. Compared with the bivalent iron / trivalent iron system in the prior art, the charge number of the pentavalent vanadium is far higher than that of trivalent ferric irons so that the radius of the pentavalent vanadium hydrated ion can be greater than that of the trivalent ferric hydrated iron. The case that the metal ions of high titanium oxide are difficult to supplement by the way of electron transfer due to concentration polarization is avoided, so that more excellent pore-filling effect can be achieved.

The invention relates to the communication field, and discloses a charging test method and a charging device which can test a price rule which is effective in the future on the prior network device. The charging test method comprises the following steps: receiving a charging message; if a charging number received in the charging message is a testing number, amending the charging time of the charging message into time within a time period of the effective charging rule to be tested, namely virtual time; and charging the message by the prior network device by using the charge rule to be tested according to the virtual time. A testing number assembly is arranged; if the charging number received in the charging message belongs to a number in the testing number assembly, the charging number is determined into the testing number.

The invention relates to a scheduling method of a cluster type DC charging system of a reconfigurable annular bus, and belongs to the field of power and electron technologies and new energy automobilecharging infrastructures. The main application object of the scheduling method is a reconfigurable annular bus based cluster-type DC charging station; a vehicle entering the charging station is guided by the scheduling system so as to enter a reasonable parking space, so that the maximum advantage of the reconfigurable annular bus is played and efficient distribution of the charging power is realized. Meanwhile, when the concurrent charging number is big and the DC charging demands of all the connected electric vehicles cannot be met, the scheduling method automatically adjusts and reconstructs a bus section which is composed of multiple segmental buses based on the priority by adopting a translation reconfiguration algorithm, realizes optimal combination of charging modules and optimal power distribution. The scheduling scheme is combined with the reconfigurable annular bus; and compared with the existing technologies such as charging pile and flexible charge, the scheduling method can greatly reduce the number of linked switches and the system complexity.

The invention is suitable for the technical field of optics and provides a device for generating a vortex light field. The device comprises a vortex light generating system, a pumping light generating system, a non-collinear optical parameter amplifier and a mode recording analyzing system, wherein a narrow band vortex light beam enters into the non-collinear optical parameter amplifier so as to form a narrow band vortex signal light; a broadband pumping light enters into the non-collinear optical parameter amplifier and pumps the narrow band vortex signal light so as to trigger triple-wave coupling nonlinear conversion and generate an idler frequency light with a broadband vortex light field; the idler frequency light and the narrow band vortex signal light have reciprocal relation at the aspect of topological charge number; the idler frequency light is analyzed and recorded through the mode recording analyzing system. According to the invention, the broadband pumping light enters into the non-collinear optical parameter amplifier and pumps the narrow band vortex signal light so as to trigger triple-wave coupling and acquire the idler frequency light; the narrow band vortex is converted to the broadband vortex; the wavelength and frequency conversion can be realized; the problems of narrow bandwidth and few frequencies of the traditional vortex light beam are solved; the application requirement of the broadband vortex light is met.

The embodiment of the invention discloses a device for calculating state-of-health parameters of an electric automobile battery and a method thereof. The device comprises a reduced discharge number calculation module which is used for calculating the reduced discharge number of the battery based on the total number of discharge of the battery within a preset period of time and the discharge type of each time of discharge; a reduced charge number calculation module which is used for calculating the reduced charge number of the battery based on the total number of charge of the battery within the preset period of time and the charge type of each time of charge; and an SOH parameter calculation module which is used for calculating the SOH parameters of the battery based on the reduced discharge number and the reduced charge number.

The invention relates to a method for establishing a nanometer heterostructure based on FePt nanometer particles. The FePt nanometer particles serve as seeds, multiple materials are induced to grow on the surfaces of the FePt nanometer particles in a follow-up mode, and then nanometer heterostructure materials containing magnetic FePt parts and follow-up growth parts are established, wherein the diameter of the FePt nanometer particles is larger than 1 nm and smaller than 10 nm, and the follow-up growth parts comprise iron oxide materials, semiconductor materials of II-VI group elements and noble metal materials. According to the method, in a simple oleylamine system, the FePt nanometer particles serve as the seeds, and by simply controlling fundamental reaction conditions such as temperature, time and the charging number of follow-up second material precursors, the multifunctional nanometer heterogeneous materials of different types are prepared. The preparation method is simple in system, good in universality, high in controllability and suitable for large-batch repeated production of the multifunctional nanometer heterogeneous materials based on the magnetic nanometer particles.

The invention relates to a real-time electrostatic monitoring device for powder. The monitoring device serving as one part of a powder conveying pipe comprises an inner conducting cylinder (5) and anouter conducting cylinder (4); an insulator layer (3) is arranged between the inner conducting cylinder (5) and the outer conducting cylinder (4); the inner conducting cylinder (5) are in contact withthe powder directly. When being in use, the monitoring device is installed at a material conveying pipe and is capable of monitoring the electrostatic charge number in the conveying pipe in real time.

The invention relates to a compound spoil-retaining wall with holes for a tundish and a preparation process thereof. The compound spoil-retaining wall comprises a spoil-retaining wall body arranged on a proper position of the tundish and a mosaic; the mosaic is arranged on the spoil-retaining wall body; and the center of the mosaic is provided with steel flowing holes. The preparation process comprises the following steps: casting the spoil-retaining wall body by an aluminum magnesium or aluminum silicon or high aluminum or magnesium or magnesium aluminum material, and casting the mosaic by a corundum material; and curing the two casting materials with moulds after initial setting for 24h, demoulding, naturally curing for 12 to 24h, assembling and baking. The compound mosaic spoil-retaining wall for the tundish, on the basis of slightly increasing the cost of materials, further prolongs the service life of the steel flowing holes, avoids the change of the flow field of the tundish caused by early deformation due to the scouring of tapping holes in the using process, and has important functions of ensuring the synchrony of the service life of the spoil-retaining wall body and the steel flowing holes, further improving continuous casting charge number and molten steel quality, reducing inclusion and uniformizing the molten steel temperature of the tundish.

A high-precision digital speckle related measurement method adopts a measuring device consisting of a CW (continuous wave) laser, a collimated beam expander, a converging lens, a CCD (charge coupled device) camera and a computer for measurement, and is realized through adopting the following steps: filtering speckle images arranged in a generation plane of a to-be-tested object before and after the displacement and recorded by the CCD camera, so as to obtain the complex signal distribution of light intensity; performing interpolation after analyzing the phase position distribution, so as to obtain the phase position distribution matrix with the sub-pixel accuracy; utilizing the phase position vortex topological charge numbers plus 1 and minus 1 to replace the original phase position values, and replacing other points with 0, so as to build two sparse matrixes; and finally performing related operation to the two sparse matrixes so as to obtain the in-plane displacement information of the to-be-tested object. The method can realize the high computational efficiency and high measuring accuracy at the same time, has the characteristics of compactness in optical path, simplicity and feasibility, and is suitable for the real-time and on-line detection in the field of photoelectric nondestructive detection.

The invention discloses a method and a system for measuring complex coherence degrees of partially coherent vortex light beams. The method includes recording the light intensity of the to-be-measuredpartially coherent vortex light beams; introducing disturbance with cubic different phase assigned values into the to-be-measured partially coherent vortex light beams; carrying out Fourier transformation on the disturbed to-be-measured partially coherent vortex light beams and recording the light intensity of Fourier planes under the conditions of the cubic different phase assigned values; carrying out inverse Fourier transformation according to the cubic different phase assigned values and the light intensity of the Fourier planes under the conditions of the cubic different phase assigned values to obtain cross-spectrum density functions of the to-be-measured partially coherent vortex light beams; acquiring the complex coherence degrees of the to-be-measured partially coherent vortex light beams by the aid of the cross-spectrum density functions and the light intensity of the to-be-measured partially coherent vortex light beams. The method and the system have the advantages that coherent singular points can be directly observed from phase distribution graphs of the complex coherent degrees, accordingly, topological charge number magnitude and positive-negative information of theto-be-measured partially coherent vortex light beams can be obtained, and the method and the system have important significance in the fields of laser processing, optical tweezers, atom cooling and the like.

The invention discloses a hydrotalcite acid acceptor for polyolefin. The hydrotalcite has a structural formula [Mga(1-x) <2+>Ca(1-a)(1-x)<2+>Alx<3+>(OH)2]<x+>(A<n->)x / n.yH2O, wherein A<n-> is an interlayer negative ion, n is the charge number of the interlayer negative ion and is equal to 1-7; x is the ratio of the amount of substance of Al<3+> to (Ca<2+>+ Al<3+>) and has a value range of equal to or greater than 0.2 and less than or equal to 0.33; a is the ratio of the amount of substance of Mg<2+> to (Mg<2+>+ Ca<2+>) and has a value range of equal to or greater than 0 and less than or equal to 1; and y is the number of water of crystallization and has a value range of equal to or greater than 0 and less than or equal to 2. By adopting hydrotalcite as a clean polyolefin talc acid acceptor, chlorine ions can be effectively absorbed and fixed by virtue of the layered structure and the porous structure of hydrotalcite and by virtue of intercalation modification of the organic acid negative ion, the dispersity of hydrotalcite in the resin can be increased; by adjusting and controlling the laminate structure and interlayer negative ion, the different application requirements can be met and meanwhile, hydrotalcite is hardly precipitated in the resin, the corrosion of metal stearate acid acceptor residues to a production device is eliminated and the acid acceptor is low in toxicity and environment friendly and is in line with the requirements of the current environment-friendly production.

The invention discloses an alkylation derivatization reagent and an application of the alkylation derivatization reagent in peptide fragment marking and mass spectrometric detection. A molecular formula of the alkylation derivatization reagent is brominated 1-[3-[(2-iodine-1-oxo-ethyl) amino] propyl]-3-butyl imidazole (IPBI), and a structure thereof is as shown in Formula (I). The alkylation derivatization reagent takes an iodoacetamide base as an active functional group, and has high hydrophobicity, high gas phase alkalinity and a structural feature of containing permanent positive charges; selective derivatization and efficient mark of active sulfhydryl in polypeptide / protein can be achieved; the charge number of a peptide fragment, the ionization efficiency and the detection sensitivity in mass spectrometric analysis can be increased and improved remarkably, so that a detection rate of a cysteine peptide fragment is increased remarkably; and the alkylation derivatization reagent is simple in synthetic process, lower in cost, good in reaction reproducibility, and convenient to popularize and apply.

The invention discloses a direct-current microgrid coordination and control method including electric automobile charging and discharging management. The method comprises steps of: firstly determining features of constitutional units in a direct-current microgrid, wherein the features comprise the power P1 of an access power supply, the total power P2 of a distributed power supply, the power P3 of an energy storage system, the total power P4 of loads, the rest capacity SOC of the energy storage system, the controllable range of the charging power of a charging pile, and the number N of the charged electric automobiles, and determining that the maximum charging capacity of the electric automobiles is P1+P2+P3+P4; and then according to the relation between the (P1+P2+P3+P4) / N, the minimum charging power and the maximum charging power, controlling the charging and discharging of the energy storage system, thereby increasing charging number or speed of an electric automobile charging station. According to the invention, through the energy storage system and the distributed charging, additional charging capacity used for electric automobile charging is increased and the number of rapidly charged electric automobiles is increased.

The invention provides a charging prompting method and a mobile terminal, and relates to the technical field of mobile terminals. The method comprises the steps that the current environment temperature is determined when the detection result indicates that the mobile terminal is currently in the charging state; when the environment temperature meets the preset abnormal temperature condition, the abnormal charging number of times under the preset abnormal temperature condition from the first time of charging and the total number of times of charging are determined; the first proportion of the abnormal charging number of times in the total number of times of charging is determined; and when the first proportion meets the first preset proportion condition, prompting information used for indicating the charging temperature abnormity is displayed. When the mobile terminal is in the charging state, the environment temperature is abnormal and the proportion of the abnormal charging number oftimes in the total number of times of charging is high, the user can be prompted and the user is enabled to perform charging under the appropriate temperature so that the user can be guided to changethe charging habit, the hardware loss of the battery can be reduced, the aging speed of the battery can be alleviated and the battery life can be prolonged.

The invention provides a reactive power partition method based on reactive power source-charge numbers and community mining and belongs to the technical field of power system automation. Basic parameters are input through programs by means of a computer, then a power system reactive equivalent lossless network is determined, then reactive power, reactive source-charge numbers and reactive coupling modularity of all power transmission routes in a power system are determined, the optimal reactive voltage partition of the power system is determined by means of the traditional genetic algorithm, and finally the partition reactive coupling degree and the reactive balance degree of the optimal partition scheme are inspected. The method has the advantages that in the reactive voltage partition process, influences of reactive power output by a reactive power source on reactive loads through the transmission routes between reactive source-load node pairs are taken into consideration, reactive coupling performance of reactive source-load nodes in partitions can be strong, reactive coupling performance of the reactive source-load nodes between the partitions can be weak, and on the basis that reactive balance in the partitions is guaranteed, global optimality of the partitions is ensured from the perspective of reactive transmission. The method can be widely used in the reactive voltage partitions of the power system and provides scientific bases for reactive voltage control of the power system.