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CN106788709B - Substation optical communication design method and device - Google Patents

Substation optical communication design method and device Download PDF

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Publication number
CN106788709B
CN106788709B CN201611217056.8A CN201611217056A CN106788709B CN 106788709 B CN106788709 B CN 106788709B CN 201611217056 A CN201611217056 A CN 201611217056A CN 106788709 B CN106788709 B CN 106788709B
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China
Prior art keywords
point
optical
attenuation
length
station
Prior art date
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CN201611217056.8A
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Chinese (zh)
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CN106788709A (en
Inventor
谢延涛
邢琳
郝军魁
张红梅
容春艳
吴鹏
李宏博
庞凝
王宁
马聪
张帅
霍晓良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Converge Intelligence Power Engineering Design Co Ltd In Hebei
Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Converge Intelligence Power Engineering Design Co Ltd In Hebei
Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
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Application filed by Converge Intelligence Power Engineering Design Co Ltd In Hebei, Economic and Technological Research Institute of State Grid Hebei Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Converge Intelligence Power Engineering Design Co Ltd In Hebei
Priority to CN201611217056.8A priority Critical patent/CN106788709B/en
Publication of CN106788709A publication Critical patent/CN106788709A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07951—Monitoring or measuring chromatic dispersion or PMD
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

The present invention is suitable for technical field of photo communication, provides a kind of substation's optic communication design method and device.This method comprises: parameter between receiving station；Connector number and fused fiber splice connector average loss between parameter includes optical cable distance between standing, stands between the station；Optical interface type is determined according to optical cable distance between the station；Wherein, optical cable distance between a kind of station of the corresponding preset range of optical interface type；The limited regeneration segment length of decaying, dispersion limited regeneration segment length and transmission quality are calculated according to parameter between the station；The size that the light decay or light added needed for being obtained according to calculated result is put.This method can effectively solve the problem that the problems such as computationally intensive, error-prone during optical interface type selection calculation, realize that regeneration segment length calculates automatically, automatically generates the functions such as transmission quality index estimation table needed for communication scheme report, to improve the working efficiency of transformer substation communication designer, there is general applicability for substation's optic communication design.

Description

Substation's optic communication design method and device
Technical field
The invention belongs to technical field of photo communication more particularly to a kind of substation's optic communication design method and devices.
Background technique
In transformer substation communication design process, the limited regeneration segment length of the decaying to digital section, dispersion limited regeneration are needed Segment length, light decay and light are put addition situation etc. and are calculated.The data volume calculated needed for this process is larger, while with Cable length between two substations is different, and calculation formula can be also varied, therefore relied solely on designer and manually calculated It not only needs to take a substantial amount of time, while being also easy to appear mistake.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of substation's optic communication design method and device, it is existing to solve By manually calculating the problem of being easy error in technology.
The embodiment of the present invention in a first aspect, providing a kind of substation's optic communication design method, comprising:
Parameter between receiving station；Connector number and fused fiber splice connect between parameter includes optical cable distance between standing, stands between the station Head average loss；
Optical interface type is determined according to optical cable distance between the station；Wherein, a kind of optical interface type corresponds to one in advance If optical cable distance between the station of range；
The limited regeneration segment length of decaying, dispersion limited regeneration segment length and transmission quality are calculated according to parameter between the station；
The size that the light decay or light added needed for being obtained according to calculated result is put.
Preferably, described that the limited regeneration segment length of decaying and dispersion limited regeneration segment length are calculated according to parameter between the station Specifically:
When regenerating segment length L is 75~125km, pass through formula:
Calculate the limited regeneration segment length of the decaying；
When regenerating segment length L less than 75km or greater than 125km, pass through formula:
Calculate the limited regeneration segment length of the decaying；
Wherein, L1For the limited regeneration segment length that decays；PsPower is sent for S point light；PrFor R point optical receiver sensitivity；PpFor Maximum optical path power penalty；ΣAcThe sum of connector loss between standing between S point and R point；AfFor optical fiber mean attenuation coefficient；AsFor Optical fiber fixes fusion splice average loss；McFor optical cable degree more than needed, when regenerating segment length L is 75km~125km, Mc= 0.04L, when regenerating segment length L less than 75km, Mc3dB is taken, when regenerating segment length L greater than 125km, McTake 5dB；
Pass through formula:
Calculate the dispersion limited regeneration segment length；
Wherein, L2Segment length is regenerated for dispersion limited；DmaxThe maximum total dispersion value that equipment allows between S point and R point；D For fiber dispersion coefficient.
Preferably, the transmission quality includes optical cable decaying, complete attenuation, light receiving power Pa, power level affluence degree and S Optical fiber total dispersion between point and R point；
It is described that transmission quality is calculated according to parameter between the station specifically:
Pass through formula:
Optical cable decaying=(Af+As)*L3；
Complete attenuation=optical cable decaying+∑ Ac+Pp+Mc；
Pa=minimum sends power-complete attenuation；
Power level affluence degree=Pa-Pr；
Optical fiber total dispersion=L between S point and R point3*D
Calculate the transmission quality；Wherein L3 is cable length between station.
Preferably, the range of the light receiving power are as follows:
Pr+α(B-Pr)≤Pa≤B-α(B-Pr)；
Wherein, α is coefficient, 0.1≤α≤0.3；B is minimum overload level point.
Preferably, it is described provided according to calculated result needed for the light decay that adds or light amplification is small includes:
P is unsatisfactory in the range of the light receiving powerr+α(B-Pr)≤Pa≤B-α(B-Pr) when, detect the light-receiving The size relation of power and the R point optical receiver sensitivity and the minimum overload level point；
When the light receiving power is less than the R point optical receiver sensitivity, addition light is put, and the light amplification added is small Are as follows: 0.5* (Pr+B)-Pa；
When the light receiving power is greater than the minimum overload level point, light decay, and the light decay size added are added are as follows: Pa-0.5*(Pr+B)。
The second aspect of the embodiment of the present invention provides a kind of substation's optic communication design device, comprising:
Receiving module, for parameter between receiving station；Connector number between parameter includes optical cable distance between standing, stands between the station With fused fiber splice connector average loss；
Determining module, for determining optical interface type according to optical cable distance between the station；Wherein, a kind of optical interface class Optical cable distance between the station of the corresponding preset range of type；
Computing module, for calculating the limited regeneration segment length of decaying according to parameter between the station, dispersion limited regenerates segment length Degree and transmission quality；
Optimization module, light decay or light for adding needed for being obtained according to the calculated result of the computing module are put big It is small.
Preferably, the computing module is specifically used for:
When regenerating segment length L is 75~125km, pass through formula:
Calculate the limited regeneration segment length of the decaying；
When regenerating segment length L less than 75km or greater than 125km, pass through formula:
Calculate the limited regeneration segment length of the decaying；
Wherein, L1For the limited regeneration segment length that decays；PsPower is sent for S point light；PrFor R point optical receiver sensitivity；PpFor Maximum optical path power penalty；∑AcThe sum of connector loss between standing between S point and R point；AfFor optical fiber mean attenuation coefficient；AsFor Optical fiber fixes fusion splice average loss；McFor optical cable degree more than needed, when regenerating segment length L is 75km~125km, Mc= 0.04L, when regenerating segment length L less than 75km, Mc3dB is taken, when regenerating segment length L greater than 125km, McTake 5dB；
Pass through formula:
Calculate the dispersion limited regeneration segment length；
Wherein, L2Segment length is regenerated for dispersion limited；DmaxThe maximum total dispersion value that equipment allows between S point and R point；D For fiber dispersion coefficient.
Preferably, the transmission quality includes optical cable decaying, complete attenuation, light receiving power Pa, power level affluence degree and S Optical fiber total dispersion between point and R point；
The computing module is also used to:
Pass through formula:
Optical cable decaying=(Af+As)*L3；
Complete attenuation=optical cable decaying+∑ Ac+Pp+Mc；
Pa=minimum sends power-complete attenuation；
Power level affluence degree=Pa-Pr；
Optical fiber total dispersion=L between S point and R point3*D
Calculate the transmission quality；Wherein L3 is cable length between station.
Preferably, the range of the light receiving power are as follows:
Pr+α(B-Pr)≤Pa≤B-α(B-Pr)；
Wherein, α is coefficient, 0.1≤α≤0.3；B is minimum overload level point.
Preferably, the optimization module includes:
Detection unit, for being unsatisfactory for P in the range of the light receiving powerr+α(B-Pr)≤Pa≤B-α(B-Pr) when, Detect the size relation of the light receiving power and the R point optical receiver sensitivity and the minimum overload level point；
Processing unit is sensitive for detecting that the light receiving power is less than the R point light-receiving in the detection unit When spending, addition light is put, and the light amplification added is small are as follows: 0.5* (Pr+B)-Pa；And described in being greater than in the light receiving power most When small overload level point, light decay, and the light decay size added are added are as follows: Pa-0.5*(Pr+B)。
The embodiment of the present invention compared with the existing technology possessed by the utility model has the advantages that the embodiment of the present invention, according between the station Parameter automatically determines optical interface type, and calculates the limited regeneration segment length, dispersion limited of decaying automatically according to parameter between the station Regeneration segment length, transmission quality, light decay and light are put, the light added needed for then being obtained according to calculated result put or light decay it is big It is small, so as to effectively solve the problems such as computationally intensive, error-prone during optical interface type selection calculation, realize regeneration segment length from It is dynamic to calculate, automatically generate the functions such as transmission quality index estimation table needed for communication scheme report, and then it is logical to improve substation The working efficiency for believing designer has general applicability for substation's optic communication design, is suitable for large-scale promotion and application.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these Attached drawing obtains other attached drawings.
Fig. 1 is the flow chart of substation's optic communication design method provided in an embodiment of the present invention；
Fig. 2 is the flow chart provided in an embodiment of the present invention that size that light decay or light are put is obtained according to calculated result；
Fig. 3 is the structural block diagram of substation's optic communication design device provided in an embodiment of the present invention；
Fig. 4 is the structural block diagram of optimization module provided in an embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment one
Fig. 1 shows the implementation process of substation's optic communication design method of the offer of the embodiment of the present invention one, and details are as follows:
Step S101, parameter between receiving station.
Wherein, between parameter may include substation's station name, stand between the station optical cable distance, stand between connector number and optical fiber Fusion splice average loss.For example, can be by the way that input function area be arranged, between the Liang Ge substation for receiving user's input Station between parameter.
Step S102 determines optical interface type according to optical cable distance between the station.
Wherein, optical cable distance between a kind of station of the corresponding preset range of optical interface type.The optical interface The corresponding relationship of optical cable distance can be obtained according to experiment between type and the station, be arranged to optical interface and corresponded to library.It is receiving Between the station optical cable apart from when, storehouse matching is corresponded to by the optical interface and goes out corresponding optical interface type.
In addition, optical cable distance correspondence between above-mentioned optical interface type and the station, it can also be by counting different factories The parameter for all kinds of optical interfaces that family provides obtains after summarizing.
In the present embodiment, optical interface parameter can be stored using excel file.Table 1, table 2 and table 3 are part optical interface ginseng Number.
1 STM-4 optical interface parameter of table
Wherein, * indicates to determine to international standard in future in table 1；NA expression is not required.
2 STM-16 optical interface parameter of table
Wherein, * indicates to determine to international standard in future in table 1；NA expression is not required.
3 STM-64 optical interface parameter of table
Wherein, * indicates to determine to international standard in future in table 1；NA expression is not required.
Step S103, according to parameter between the station calculate the limited regeneration segment length of decaying, dispersion limited regeneration segment length and Transmission quality.
Specifically, calculating the limited regeneration segment length of decaying and dispersion limited regeneration according to parameter between the station in step S103 Segment length detailed process can be with are as follows:
When regenerating segment length L is 75~125km, pass through formula:
Calculate the limited regeneration segment length of the decaying.
When regenerating segment length L less than 75km or greater than 125km, pass through formula:
Calculate the limited regeneration segment length of the decaying.
Wherein, L1For the limited regeneration segment length that decays；PsPower is sent for S point light；PrFor R point optical receiver sensitivity；PpFor Maximum optical path power penalty；∑AcThe sum of connector loss between standing between S point and R point；AfFor optical fiber mean attenuation coefficient；AsFor Optical fiber fixes fusion splice average loss；McFor optical cable degree more than needed, when regenerating segment length L is 75km~125km, Mc= 0.04L, when regenerating segment length L less than 75km, Mc3dB is taken, when regenerating segment length L greater than 125km, McTake 5dB；
Pass through formula:
Calculate the dispersion limited regeneration segment length.
Wherein, L2Segment length is regenerated for dispersion limited；DmaxThe maximum total dispersion value that equipment allows between S point and R point；D For fiber dispersion coefficient.
In the present embodiment, optical cable transmission regenerates segment length and is less than the limited regeneration segment length of decaying and the dispersion limited Regenerate the arbitrary value in segment length.That is, regenerator section design length value is less than L1And L2。
In the present embodiment, the transmission quality includes optical cable decaying, complete attenuation, light receiving power Pa, power level it is rich Optical fiber total dispersion between degree and S point and R point.Had described in step S103 according to the process that parameter between the station calculates transmission quality Body can be with are as follows:
Pass through formula:
Optical cable decaying=(Af+As)*L3；
Complete attenuation=optical cable decaying+∑ Ac+Pp+Mc；
Pa=minimum sends power-complete attenuation；
Power level affluence degree=Pa-Pr；
Optical fiber total dispersion=L between S point and R point3*D
Calculate the transmission quality；Wherein L3 is cable length between station.
In the present embodiment, when light receiving power is between R point optical receiver sensitivity and minimum overload level point, light is connect Mouth meets engineering demand.It is in meet optical signal that receiving end receives and is preferably worth, light receiving power should be located at R point light-receiving Near sensitivity and the minimum average value for overloading the sum of level point.Preferably, the light receiving power may range from: Pr+α (B-Pr)≤Pa≤B-α(B-Pr).Wherein, α is coefficient, 0.1≤α≤0.3；B is minimum overload level point.In one embodiment, α can be with value for 0.2, but is not limited thereto, and can adjust the value of α according to actual needs.
Step S104, the light added needed for being obtained according to calculated result is put or the size of light decay.
In the present embodiment, needs to increase light when light receiving power is less than R point optical receiver sensitivity and put, work as light receiving power It needs to increase light decay when overloading level point greater than minimum.Specifically, referring to fig. 2, in one embodiment, this step can by with Lower process is realized:
Step S201 is unsatisfactory for P in the range of the light receiving powerr+α(B-Pr)≤Pa≤B-α(B-Pr) when, detection The size relation of the light receiving power and the R point optical receiver sensitivity and the minimum overload level point.
Step S202, when detecting that the light receiving power is less than the R point optical receiver sensitivity, addition light is put, and The light amplification of addition is small are as follows: 0.5* (Pr+B)-Pa。
Step S203 adds light decay, and add when detecting that the light receiving power is greater than the minimum overload level point The light decay size added are as follows: Pa-0.5*(Pr+B)。
Calculate the limited regeneration segment length of decaying, dispersion limited regeneration segment length, transmission quality, light decay and light put with Afterwards, optical interface selected substation can be evaluated according to calculated result, the addition put in conjunction with calculated light decay and light It is recommended that optimization transmission line.
Further, which can also include: the calculated limited regenerator section that decays of display Length, dispersion limited regeneration segment length, transmission quality, the light decay of required addition or light are put.
Further, which can also include: by the limited regeneration segment length of calculated decaying Degree, dispersion limited regeneration segment length, transmission quality, the light decay of required addition or light put the file that output is preset format.For example, Can will calculate and export as WORD document, automatically generate transformer substation communication design needed for table.
Above-mentioned substation's optic communication design method automatically determines optical interface type according to parameter between the station, and according to institute State between station that parameter calculates the limited regeneration segment length of decaying automatically, dispersion limited regenerates segment length, transmission quality, light decay and light and puts, Then the light added needed for being obtained according to calculated result is put or the size of light decay, so as to effectively solve optical interface type selection calculation The problems such as computationally intensive in the process, error-prone, needed for realizing that regeneration segment length is calculated automatically, automatically generated in communication scheme report The transmission quality index estimation functions such as table light is put and light to improve the working efficiency of transformer substation communication designer The selection to decline can further determine that preferably light receiving power, have general applicability for substation's optic communication design, fit Close a wide range of promote and apply.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit It is fixed.
Embodiment two
Corresponding to substation's optic communication design method described in foregoing embodiments, Fig. 3 shows offer of the embodiment of the present invention Substation's optic communication design device structural block diagram.For ease of description, only the parts related to this embodiment are shown.
Referring to Fig. 3, which includes receiving module 301, determining module 302, computing module 303 and optimization module 304.
Receiving module 301, for parameter between receiving station.Connector between parameter includes optical cable distance between standing, stands between the station Number and fused fiber splice connector average loss.
Determining module 302, for determining optical interface type according to optical cable distance between the station.Wherein, a kind of light connects Optical cable distance between the station of the corresponding preset range of mouth type.
Computing module 303, for calculating the limited regeneration segment length, dispersion limited regenerator section of decaying according to parameter between the station Length and transmission quality.
Optimization module 304, light decay or light for adding needed for being obtained according to the calculated result of the computing module 303 are put Size.
In one embodiment, the computing module 303 specifically can be used for:
When regenerating segment length L is 75~125km, pass through formula:
Calculate the limited regeneration segment length of the decaying.
When regenerating segment length L less than 75km or greater than 125km, pass through formula:
Calculate the limited regeneration segment length of the decaying.
Wherein, L1For the limited regeneration segment length that decays；PsPower is sent for S point light；PrFor R point optical receiver sensitivity；PpFor Maximum optical path power penalty；∑AcThe sum of connector loss between standing between S point and R point；AfFor optical fiber mean attenuation coefficient；AsFor Optical fiber fixes fusion splice average loss；McFor optical cable degree more than needed, when regenerating segment length L is 75km~125km, Mc= 0.04L, when regenerating segment length L less than 75km, Mc3dB is taken, when regenerating segment length L greater than 125km, McTake 5dB.
The computing module 303 specifically can be also used for: pass through formula
Calculate the dispersion limited regeneration segment length.Wherein, L2Segment length is regenerated for dispersion limited；DmaxFor S point and R point Between equipment allow maximum total dispersion value；D is fiber dispersion coefficient.
In the present embodiment, the transmission quality includes optical cable decaying, complete attenuation, light receiving power Pa, power level it is rich Optical fiber total dispersion between degree and S point and R point.The computing module 303 is also used to:
Pass through formula:
Optical cable decaying=(Af+As)*L3；
Complete attenuation=optical cable decaying+∑ Ac+Pp+Mc；
Pa=minimum sends power-complete attenuation；
Power level affluence degree=Pa-Pr；
Optical fiber total dispersion=L between S point and R point3*D
Calculate the transmission quality；Wherein L3 is cable length between station.
Preferably, the range of the light receiving power are as follows:
Pr+α(B-Pr)≤Pa≤B-α(B-Pr)；
Wherein, α is coefficient, 0.1≤α≤0.3；B is minimum overload level point.
Referring to fig. 4, in one embodiment, the optimization module 304 may include detection unit 401 and processing unit 402.
Detection unit 401, for being unsatisfactory for P in the range of the light receiving powerr+α(B-Pr)≤Pa≤B-α(B-Pr) When, detect the size relation of the light receiving power and the R point optical receiver sensitivity and the minimum overload level point.
Processing unit 402, for detecting that the light receiving power is less than the R point light-receiving spirit in the detection unit When sensitivity, addition light is put, and the light amplification added is small are as follows: 0.5* (Pr+B)-Pa；And it is greater than in the light receiving power described When minimum overload level point, light decay, and the light decay size added are added are as follows: Pa-0.5*(Pr+B)。
Above-mentioned substation's optic communication designs device, can effectively solve the problem that computationally intensive, easy during optical interface type selection calculation The problems such as error, realize regeneration segment length calculate automatically, automatically generate communication scheme report needed for transmission quality index estimate The functions such as table are calculated, to improve the working efficiency of transformer substation communication designer, putting the selection with light decay for light can be into one Step determines preferably light receiving power, has general applicability for substation's optic communication design, is suitable for large-scale promotion and application.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device and method can pass through others Mode is realized.For example, system embodiment described above is only schematical, for example, the division of the module or unit, Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be with In conjunction with or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed Mutual coupling or direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit or Communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the embodiment of the present invention Substantially all or part of the part that contributes to existing technology or the technical solution can be with software product in other words Form embody, which is stored in a storage medium, including some instructions use so that one Computer equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute this hair The all or part of the steps of bright each embodiment the method for embodiment.And storage medium above-mentioned include: USB flash disk, mobile hard disk, Read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic The various media that can store program code such as dish or CD.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all It is included within protection scope of the present invention.

Claims (8)

1.一种变电站光通信设计方法，其特征在于，包括：1. a substation optical communication design method, is characterized in that, comprises: 接收站间参数；所述站间参数包括站间光缆距离、站间连接器个数和光纤熔接接头平均损耗；Receiving inter-station parameters; the inter-station parameters include the inter-station optical cable distance, the number of inter-station connectors and the average loss of optical fiber fusion joints; 根据所述站间光缆距离确定光接口类型；其中，一种所述光接口类型对应一个预设范围的所述站间光缆距离；Determine the optical interface type according to the inter-station optical cable distance; wherein, one optical interface type corresponds to a preset range of the inter-station optical cable distance; 根据所述站间参数计算衰减受限再生段长度、色散受限再生段长度和传输质量；Calculate the length of the attenuation-limited regeneration section, the dispersion-limited regeneration section length and the transmission quality according to the inter-station parameters; 根据计算结果得出所需添加的光衰或光放的大小；According to the calculation results, the size of the light attenuation or light emission to be added can be obtained; 所述根据所述站间参数计算衰减受限再生段长度和色散受限再生段长度具体为：The calculation of the attenuation-limited regeneration section length and the dispersion-limited regeneration section length according to the inter-station parameters is specifically: 当再生段长度L为75～125km时，通过公式：When the length L of the regeneration section is 75-125km, the formula is: 计算所述衰减受限再生段长度；calculating the attenuation-limited regeneration section length; 当再生段长度L小于75km或大于125km时，通过公式：When the length L of the regeneration section is less than 75km or greater than 125km, through the formula: 计算所述衰减受限再生段长度；calculating the attenuation-limited regeneration section length; 其中，L1为衰减受限再生段长度；Ps为S点光发送功率；Pr为R点光接收灵敏度；Pp为最大光通道代价；∑Ac为S点和R点之间站间连接器损耗之和；Af为光纤平均衰减系数；As为光纤固定熔接接头平均损耗；Mc为光缆富余度，当再生段长度L为75km～125km时，Mc＝0.04L，当再生段长度L小于75km时，Mc取3dB，当再生段长度L大于125km时，Mc取5dB；Among them, L 1 is the length of the attenuation-limited regeneration section; P s is the optical transmit power at point S; Pr is the optical receiving sensitivity at point R ; P p is the maximum optical channel cost; ∑A c is the station between point S and point R A f is the average attenuation coefficient of the optical fiber; A s is the average loss of the optical fiber fixed fusion splice; M c is the redundancy of the optical cable, when the length L of the regeneration section is 75km ~ 125km, M c = 0.04L, when When the length L of the regeneration section is less than 75km, M c takes 3dB, and when the length L of the regeneration section is greater than 125km, M c takes 5dB; 通过公式：Via the formula: 计算所述色散受限再生段长度；calculating the length of the dispersion-limited regeneration section; 其中，L2为色散受限再生段长度；Dmax为S点和R点之间设备允许的最大总色散值；D为光纤色散系数。Among them, L 2 is the length of the dispersion-limited regeneration section; D max is the maximum total dispersion value allowed by the equipment between point S and point R; D is the fiber dispersion coefficient. 2.根据权利要求1所述的变电站光通信设计方法，其特征在于，所述传输质量包括光缆衰减、总衰减、光接收功率Pa、功率电平富裕度和S点和R点之间光纤总色散；2. The optical communication design method for substation according to claim 1, wherein the transmission quality comprises optical cable attenuation, total attenuation, optical received power Pa , power level margin and optical fiber between point S and point R total dispersion; 所述根据所述站间参数计算传输质量具体为：The calculation of the transmission quality according to the inter-station parameter is specifically: 通过公式：Via the formula: 光缆衰减＝(Af+As)*L3；Cable attenuation=(A f + As )*L 3 ; 总衰减＝光缆衰减+∑Ac+Pp+Mc；Total attenuation = cable attenuation +∑A c +P p +M c ; Pa＝最小发送功率-总衰减；P a = minimum transmit power - total attenuation; 功率电平富裕度＝Pa-Pr；Power level margin = P a -Pr ; S点和R点之间光纤总色散＝L3*DTotal fiber dispersion between point S and point R = L 3 *D 计算所述传输质量；其中L3为站间光缆长度。Calculate the transmission quality; where L3 is the length of the optical cable between stations. 3.根据权利要求2所述的变电站光通信设计方法，其特征在于，所述光接收功率的范围为：3. The substation optical communication design method according to claim 2, wherein the range of the optical received power is: Pr+α(B-Pr)≤Pa≤B-α(B-Pr)；P r +α(BP r )≤P a ≤B-α(BP r ); 其中，α为系数，0.1≤α≤0.3；B为最小过载点电平。Among them, α is the coefficient, 0.1≤α≤0.3; B is the minimum overload point level. 4.根据权利要求3所述的变电站光通信设计方法，其特征在于，所述根据计算结果给出所需添加的光衰或光放大小包括：4. The optical communication design method for a substation according to claim 3, wherein the required added optical attenuation or optical amplification according to the calculation result comprises: 在所述光接收功率的范围不满足Pr+α(B-Pr)≤Pa≤B-α(B-Pr)时，检测所述光接收功率与所述R点光接收灵敏度和所述最小过载点电平的大小关系；When the range of the light receiving power does not satisfy P r +α(BP r )≤P a ≤B-α(BP r ), the light receiving power and the R point light receiving sensitivity and the minimum overload are detected The size relationship of the point level; 在所述光接收功率小于所述R点光接收灵敏度时，添加光放，且添加的光放大小为：0.5*(Pr+B)-Pa；When the light receiving power is less than the light receiving sensitivity of the R point, add light amplification, and the added light amplification is: 0.5*(P r +B)-P a ; 在所述光接收功率大于所述最小过载点电平时，添加光衰，且添加的光衰大小为：Pa-0.5*(Pr+B)。When the received light power is greater than the minimum overload point level, light attenuation is added, and the added light attenuation is: P a -0.5*(P r +B). 5.一种变电站光通信设计装置，其特征在于，包括：5. A substation optical communication design device, characterized in that, comprising: 接收模块，用于接收站间参数；所述站间参数包括站间光缆距离、站间连接器个数和光纤熔接接头平均损耗；a receiving module for receiving parameters between stations; the parameters between stations include the distance of optical cables between stations, the number of connectors between stations and the average loss of optical fiber fusion joints; 确定模块，用于根据所述站间光缆距离确定光接口类型；其中，一种所述光接口类型对应一个预设范围的所述站间光缆距离；a determining module, configured to determine an optical interface type according to the inter-station optical cable distance; wherein one optical interface type corresponds to a preset range of the inter-station optical cable distance; 计算模块，用于根据所述站间参数计算衰减受限再生段长度、色散受限再生段长度和传输质量a calculation module for calculating the length of the attenuation-limited regeneration section, the dispersion-limited regeneration section length and the transmission quality according to the inter-station parameters 优化模块，用于根据所述计算模块的计算结果得出所需添加的光衰或光放的大小；an optimization module, used for obtaining the size of the light attenuation or light amplification to be added according to the calculation result of the calculation module; 所述计算模块具体用于：The computing module is specifically used for: 当再生段长度L为75～125km时，通过公式：When the length L of the regeneration section is 75-125km, the formula is: 计算所述衰减受限再生段长度；calculating the attenuation-limited regeneration section length; 当再生段长度L小于75km或大于125km时，通过公式：When the length L of the regeneration section is less than 75km or greater than 125km, through the formula: 计算所述衰减受限再生段长度；calculating the attenuation-limited regeneration section length; 其中，L1为衰减受限再生段长度；Ps为S点光发送功率；Pr为R点光接收灵敏度；Pp为最大光通道代价；∑Ac为S点和R点之间站间连接器损耗之和；Af为光纤平均衰减系数；As为光纤固定熔接接头平均损耗；Mc为光缆富余度，当再生段长度L为75km～125km时，Mc＝0.04L，当再生段长度L小于75km时，Mc取3dB，当再生段长度L大于125km时，Mc取5dB；Among them, L 1 is the length of the attenuation-limited regeneration section; P s is the optical transmit power at point S; Pr is the optical receiving sensitivity at point R ; P p is the maximum optical channel cost; ∑A c is the station between point S and point R A f is the average attenuation coefficient of the optical fiber; A s is the average loss of the optical fiber fixed fusion splice; M c is the redundancy of the optical cable, when the length L of the regeneration section is 75km ~ 125km, M c = 0.04L, when When the length L of the regeneration section is less than 75km, M c takes 3dB, and when the length L of the regeneration section is greater than 125km, M c takes 5dB; 通过公式：Via the formula: 计算所述色散受限再生段长度；calculating the length of the dispersion-limited regeneration section; 其中，L2为色散受限再生段长度；Dmax为S点和R点之间设备允许的最大总色散值；D为光纤色散系数。Among them, L 2 is the length of the dispersion-limited regeneration section; D max is the maximum total dispersion value allowed by the equipment between point S and point R; D is the fiber dispersion coefficient. 6.根据权利要求5所述的变电站光通信设计装置，其特征在于，所述传输质量包括光缆衰减、总衰减、光接收功率Pa、功率电平富裕度和S点和R点之间光纤总色散；6. The substation optical communication design device according to claim 5, wherein the transmission quality comprises optical cable attenuation, total attenuation, optical received power Pa , power level margin and optical fiber between point S and point R total dispersion; 所述计算模块还用于：The computing module is also used for: 通过公式：Via the formula: 光缆衰减＝(Af+As)*L3；Cable attenuation=(A f + As )*L 3 ; 总衰减＝光缆衰减+∑Ac+Pp+Mc；Total attenuation = cable attenuation +∑A c +P p +M c ; Pa＝最小发送功率-总衰减；P a = minimum transmit power - total attenuation; 功率电平富裕度＝Pa-Pr；Power level margin = P a -Pr ; S点和R点之间光纤总色散＝L3*DTotal fiber dispersion between point S and point R = L 3 *D 计算所述传输质量；其中L3为站间光缆长度。Calculate the transmission quality; where L3 is the length of the optical cable between stations. 7.根据权利要求6所述的变电站光通信设计装置，其特征在于，所述光接收功率的范围为：7. The substation optical communication design device according to claim 6, wherein the range of the optical received power is: Pr+α(B-Pr)≤Pa≤B-α(B-Pr)；P r +α(BP r )≤P a ≤B-α(BP r ); 其中，α为系数，0.1≤α≤0.3；B为最小过载点电平。Among them, α is the coefficient, 0.1≤α≤0.3; B is the minimum overload point level. 8.根据权利要求7所述的变电站光通信设计装置，其特征在于，所述优化模块包括：8. The substation optical communication design device according to claim 7, wherein the optimization module comprises: 检测单元，用于在所述光接收功率的范围不满足Pr+α(B-Pr)≤Pa≤B-α(B-Pr)时，检测所述光接收功率与所述R点光接收灵敏度和所述最小过载点电平的大小关系；a detection unit, configured to detect the light receiving power and the R point light receiving sensitivity when the range of the light receiving power does not satisfy P r +α(BP r )≤P a ≤B-α(BP r ) and the magnitude relationship of the minimum overload point level; 处理单元，用于在所述检测单元检测到所述光接收功率小于所述R点光接收灵敏度时，添加光放，且添加的光放大小为：0.5*(Pr+B)-Pa；以及在所述光接收功率大于所述最小过载点电平时，添加光衰，且添加的光衰大小为：Pa-0.5*(Pr+B)。a processing unit, configured to add light amplification when the detection unit detects that the light receiving power is less than the light receiving sensitivity of the R point, and the added light amplification is: 0.5*(P r +B)-P a ; and when the light receiving power is greater than the minimum overload point level, add light attenuation, and the added light attenuation size is: P a -0.5*(P r +B).
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