CN204759485U - Meteorological characteristic early warning analytic system of transmission line - Google Patents

Abstract

The utility model belongs to the technical field of the early warning of transmission line risk and the data processing that becomes more meticulous, in particular to meteorological characteristic early warning analytic system of transmission line, including the meteorological data center of transmission line, microclimate data acquisition device, meteorological data input module, sample data analysis module, interpolation analytical calculation module, the PC, remove the operation terminal, line parameter input module and meteorological characteristic early warning analysis module, the peripheral weather information in this system joint line way, combine the meteorological characteristic of transmission line to develop the early warning analysis, the error that meteorological statistics brought has been avoided, for develop transmission line prevent disaster the early warning analysis provide the aassessment more comprehensive meteorological analysis, the aassessment.

Description

A kind of transmission line of electricity Meteorological Characteristics prewarning analysis system

Technical field

The utility model belongs to transmission line of electricity Risk-warning and becomes more meticulous technical field of data processing, particularly a kind of transmission line of electricity Meteorological Characteristics prewarning analysis system.

Background technology

Transmission line of electricity is electric system main artery, it is the tie connecting generating plant and power consumer, because overhead transmission line is crisscross, be directly exposed in physical environment, exceedingly odious meteorological condition, such as thunder and lightning, typhoon, heavy rain, mountain fire etc., all may bring the safe and stable operation of transmission line of electricity and have a strong impact on, according to statistics, because of meteorology, the 110kV that environment reason causes and above transmission line of electricity trip event, often account for more than 70% of the whole trip event of grid power transmission circuit, electric system is needed badly and is carried out transmission line of electricity trip risk evaluation studies under exceedingly odious meteorological condition for this reason.

No matter adopt above that mode, transmission line of electricity weather data is the basic parameter of risk assessment, weather data precision will affect the accuracy of risk assessment, in existing correlative study, it is all the forecast data directly adopting meteorological department, for ease of forecast, website region meteorologic parameter is unified for this website observed reading, general in units of prefecture-level city, for the circuit running through certain prefecture-level city, its weather data along the line is consistent, this and actual conditions difference are larger, directly these data are used for follow-up risk assessment, comparatively big error can be brought, and electric system at present does not still also have correlation analysis method, meteorological department's data are processed, widely distributed in conjunction with transmission line of electricity, along the feature that thread environment is various, become more meticulous and analyze its periphery weather environment, improve risk assessment accuracy.

Utility model content

The purpose of this utility model is the problems referred to above solving prior art, provide a kind of transmission line of electricity Meteorological Characteristics prewarning analysis system, native system is carried out circuit analysis by the data of transmission line of electricity and is calculated, and in conjunction with transmission line of electricity geography information, final generation transmission line of electricity periphery meteorologic parameter, carry out transmission line of electricity Meteorological Characteristics early warning analysis, to achieve these goals, the technical solution adopted in the utility model is as follows:

A kind of transmission line of electricity Meteorological Characteristics prewarning analysis system, it is characterized in that: comprise transmission line of electricity weather data center, microclimate data collector, weather data load module, sample data analysis module, interpolation analysis computing module, PC, mobile operating terminal, line parameter circuit value load module and Meteorological Characteristics early warning analysis module, described transmission line of electricity weather data center, the data of collection are sent to weather data load module by microclimate data collector, and then data are carried out preliminary screening, and be sent to sample data analysis module after being gathered by the data sample of preliminary screening, described sample data analysis module launches initial analysis to data sample, calculate, and result is delivered to interpolation analysis computing module, the line related data that described PC and mobile operating terminal gather are sent to line parameter circuit value and import module, obtain circuit meteorologic parameter along the line, and by sending meteorologic parameter to interpolation analysis computing module, by differential analysis computing module deployment analysis, data after interpolation analysis are finally sent to Meteorological Characteristics early warning analysis module, carry out transmission line of electricity Meteorological Characteristics early warning analysis and generation circuit periphery environment parament.

Preferably, described weather data load module, sample data analysis module, interpolation analysis computing module, line parameter circuit value load module and Meteorological Characteristics early warning analysis module all adopt DSP embedded processor to process.

In sum, the utility model has the following advantages and good effect:

(1) the utility model is based on difference value principle, becomes more meticulous and analyzes transmission line of electricity meteorologic parameter along the line, improves its trip risk assessment accuracy.

(2) this novel early warning analysis effectively can carrying out transmission line of electricity Meteorological Characteristics parameter, prevents and reduces natural disasters have great importance for carrying out transmission line of electricity.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model example or technical scheme of the prior art, introduce doing accompanying drawing required in embodiment or description of the prior art simply below, apparently, accompanying drawing in the following describes is only examples more of the present utility model, to those skilled in the art, do not paying under creationary prerequisite, other accompanying drawing can also obtained according to these accompanying drawings.

Fig. 1 is a kind of principle assumption diagram of transmission line of electricity Meteorological Characteristics prewarning analysis system.

Embodiment

Below in conjunction with the accompanying drawing in the utility model example, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figure 1, a kind of transmission line of electricity Meteorological Characteristics prewarning analysis system, it is characterized in that: comprise transmission line of electricity weather data center, microclimate data collector, weather data load module, sample data analysis module, interpolation analysis computing module, PC, mobile operating terminal, line parameter circuit value load module and Meteorological Characteristics early warning analysis module, in the utility model, described weather data load module, sample data analysis module, interpolation analysis computing module, line parameter circuit value load module and Meteorological Characteristics early warning analysis module all adopt DSP embedded processor to process, function and the annexation of its each parts are as follows:

(1) there is relevant geographical, the weather data in a large amount of regional power grid transmission line road at transmission line of electricity weather data center, as thunder and lightning, icing, typhoon etc.;

(2) microclimate data collector, being installed on the electric power line pole tower in each collection typical meteorological area, for gathering the meteorologic parameter of shaft tower periphery, and being sent to weather data load module;

(3) data of collection are sent to weather data load module by transmission line of electricity weather data center, microclimate data collector, and then data are carried out preliminary screening, by meteorological day by day data process, the weather data that the utility model adopts is meteorological department's research station day at county level Value Data, analyzes in units of sky; Process meteorological data mainly carries out mark to meteorological observation point and numbers and add up its geography information, and meteorologic parameter comprises gas epidemic disaster, wind speed, rainfall amount; Sample data analysis module is sent to after gathering in units of sky.

(4) sample data analysis module launches initial analysis, calculating to data sample, and result is delivered to interpolation analysis computing module;

(5) system manually gathers line related data by PC and mobile operating terminal, and is sent to line parameter circuit value importing module;

(6) line parameter circuit value imports module and the parameters such as transmission line tower coordinate is substituted into space interpolation function, obtains circuit meteorologic parameter along the line; By obtaining overhead line structures periphery weather information, because power system transmission line geographic coordinate is based on shaft tower coordinate, the utility model is meteorological distribution along the line using shaft tower place weather environment as circuit, by shaft tower coordinate, calculate shaft tower and each research station distance, to obtain meteorologic parameter.And send interpolation analysis computing module to by this module;

(7) by differential analysis computing module deployment analysis, by adopting interpolating function based on splines, set up space interpolation function, according to power system transmission line shaft tower geographic coordinate, import in space interpolation function, ask for shaft tower place environment weather parameter, characterize circuit meteorological condition along the line with this, obtain the overhead line structures data of Meteorological Characteristics.

(8) data after interpolation analysis are finally sent to Meteorological Characteristics early warning analysis module, transmission line of electricity Meteorological Characteristics early warning analysis is carried out based on this module, respectively in units of Time and place, generate meteorological distribution curve along the line and each shaft tower weather data earning in a day curve, and in conjunction with transmission line of electricity geography information, generation circuit periphery environment parament.

Below in conjunction with accompanying drawing 1, a kind of transmission line of electricity Meteorological Characteristics prewarning analysis system of the present utility model is further described, the utility model is according to meteorological department's research station day at county level Value Data, with the microclimate data gathered based on on-Line Monitor Device, based on spline interpolation analysis, in conjunction with power system transmission line shaft tower geographic coordinate, import in space interpolation function, ask for shaft tower place environment weather parameter, characterize circuit meteorological condition along the line with this, concrete steps are as follows:

(1) process meteorological data:

In the utility model embodiment, the data that the data of analyzing and processing gather from relevant weather department day Value Data and microclimate data collector, in units of research station at county level, for follow-up interpolation processing provides sample as much as possible, to improve processing accuracy, for ease of subsequent treatment, weather data gathers in units of sky, set up meteorological form day by day, be numbered meteorological observation website, this is numbered subsequent treatment important parameter; Data mainly comprise geography information and meteorologic parameter, and wherein meteorologic parameter only studies gas epidemic disaster, wind speed, rainfall amount.

(2) differential analysis computing module:

In the utility model embodiment, according to the weather data day by day of pre-treatment, carry out space interpolation analysis, because weather station quantity is relatively less, for ensureing interpolation processing accuracy and rationality, the utility model spy adopts interpolating function based on splines, splines is the piecewise function of flexible curve gauge, be ensure that the junction of segment of curve is level and smooth during matching, usually a few sample point is only had to carry out registration, spline interpolation utilizes sample point matching smooth curve exactly, when meeting optimal smoothing principle, find a surface curvature minimum curve surface, by following expression to sample point matching smooth curve:

$Z={\mathrm{\Σ}}_{i=1}^m{A}_i{d}_i^2{\mathrm{logd}}_i+a+bX+cY,$

Wherein, Z is the meteorological element estimated value of point to be inserted, and m is the number of the meteorological observation website participating in interpolation, d _ifor the space length of to be inserted o'clock to i-th meteorological observation point, a+bX+cY is local trend module, and X, Y are the position coordinates of point to be inserted, be a basic function, A _i, a, b and c be equation coefficient, described conjunction smooth curve equation coefficient is solved by following expression, minimizes curvature with what obtain curved surface:

${\Σ}_{j=1,j\≠i}^m{A}_j{d}_j^2{\mathrm{logd}}_j+a+{\mathrm{bX}}_i+{\mathrm{cY}}_i=Z_i,$

$\begin{array}{ccc}{\mathrm{\Σ}}_{i=1}^m{A}_i=0,& {\mathrm{\Σ}}_{i=1}^m{A}_i{X}_i=0,& {\mathrm{\Σ}}_{i=1}^m{A}_i{Y}_i=0\end{array}$

Spline interpolation analysis process is as follows:

(1), according to meteorological form day by day, order selects one of them weather station i as point to be inserted by number, and its meteorological watch parameter is as Interpolate estimation value, and its geographic coordinate (X, Y) is as interpolating function input quantity.

(2), according to the geographic coordinate (Xi, Yi) of weather station i, the distance dj with other research stations j is calculated; Suppose during calculating that the earth is a standard ball, radius is R, and supposes that east longitude is just, west longitude is negative, and north latitude is just, south latitude is negative; Therefore the rectangular coordinate of (Xi, Yi) can be expressed as:

(R×cosY _i×cosX _i，R×cosY _i×sinX _i，R×sinY _i),

The rectangular coordinate of (Xj, Yj) can be expressed as:

(R×cosY _j×cosX _j，R×cosY _j×sinX _j，R×sinY _j),

So, (Xi, Yi) and (Xj, Yj) for the centre of sphere the cosine of an angle size of opening be:

cosY _j×cosY _i×(cosX _j×cosX _i+sinX _j×sinX _i)+sinY _j×sinY _i)＝cosY _j×cosY _i×cos(X _j-X _i)+sinY _j×sinY _i，

Therefore the spherical distance of AB 2 is:

d _i＝R×{cos ^-1[cosY _j×cosY _i×cos(X _j-X _i)+sinY _j×sinY _i]},

(3), basic function is set up and generate equation i;

(4), select next weather station i+1, generate equivalent i+1 by said process;

(5), complete all weather stations data processing after, generate and comprise the system of equations of i+3 equation;

(6), solving equation group, set up space interpolation function Z=F (X, Y).

(3) line parameter circuit value load module:

In the utility model embodiment, because power system transmission line geographic coordinate is based on shaft tower coordinate, the utility model is meteorological distribution along the line using shaft tower place weather environment as circuit; Concrete steps are as follows:

1), according to shaft tower size, shaft tower geographic coordinate (X, Y) is extracted successively from small to large;

2), according to shaft tower geographic coordinate, the distance d of shaft tower apart from each observation station is calculated _i;

3), according to spline interpolation function, the meteorologic parameter of shaft tower point is calculated;

4), complete all shaft tower meteorologic parameters of circuit to calculate.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; allly to use within novel spirit and principle at this, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in utility model.

Claims (2)

1. a transmission line of electricity Meteorological Characteristics prewarning analysis system, it is characterized in that: comprise transmission line of electricity weather data center, microclimate data collector, weather data load module, sample data analysis module, interpolation analysis computing module, PC, mobile operating terminal, line parameter circuit value load module and Meteorological Characteristics early warning analysis module, described transmission line of electricity weather data center, the data of collection are sent to weather data load module by microclimate data collector, and then data are carried out preliminary screening, and be sent to sample data analysis module after being gathered by the data sample of preliminary screening, described sample data analysis module launches initial analysis to data sample, calculate, and result is delivered to interpolation analysis computing module, the line related data that described PC and mobile operating terminal gather are sent to line parameter circuit value and import module, obtain circuit meteorologic parameter along the line, and by sending meteorologic parameter to interpolation analysis computing module, by differential analysis computing module deployment analysis, data after interpolation analysis are finally sent to Meteorological Characteristics early warning analysis module, carry out transmission line of electricity Meteorological Characteristics early warning analysis and generation circuit periphery environment parament.

2. a kind of transmission line of electricity Meteorological Characteristics prewarning analysis system according to claim 1, it is characterized in that: described weather data load module, sample data analysis module, interpolation analysis computing module, line parameter circuit value load module and Meteorological Characteristics early warning analysis module all adopt DSP embedded processor to process.