CN110739698B - Method and system for allocating 10kV bus voltage and public distribution transformer outlet voltage - Google Patents
Method and system for allocating 10kV bus voltage and public distribution transformer outlet voltage Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
Abstract
The invention provides a method and a system for allocating 10kV bus voltage and public distribution transformer outlet voltage, wherein the method comprises the following steps: s1, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation; s2, acquiring voltage of a 10kV bus of the transformer substation through a dispatching automation system, acquiring voltage of each typical public distribution transformer voltage sampling point through an electricity consumption information acquisition system, and generating a transmission transformation voltage model according to corresponding distribution gear and the distance between the 10kV bus of the transformer substation and the voltage sampling point; s3, according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model, the actual voltage value of the 10kV bus of the corresponding transformer substation is adjusted through a dispatching automation system; s4, correcting the transmission transformation voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value.
Description
Technical Field
The invention belongs to the technical field of transformer substation voltage allocation, and particularly relates to a method and a system for allocating 10kV bus voltage and public distribution transformer outlet voltage.
Background
The electric energy is converted into 10kV bus voltage through a transformer substation, is transmitted through a 10kV line, is converted into 220V or 380V through a 0.4kV distribution transformer, and then is directly supplied to a user. According to the standard requirement, the voltage qualification range of the 10kV bus of the transformer substation is 10 kV-10.7 kV, and the voltage qualification range of the 220V single-phase power supply is 198V-235.4V. However, in operation, the voltage of the 10kV bus of the transformer substation can be operated at a high position in a qualified range, but the outlet voltage of the 0.4kV distribution transformer is operated for a long time to exceed 235.4V, namely the overvoltage of a low-voltage user.
This is a disadvantage of the prior art, and therefore, it is necessary to provide a method and a system for allocating 10kV bus voltage and utility distribution outlet voltage to the above-mentioned drawbacks of the prior art.
Disclosure of Invention
Aiming at the defect that the 10kV bus voltage of the transformer substation operates at a high position in a qualified range in the prior art, but the outlet voltage of a 0.4kV distribution transformer exceeds 235.4V for a long time, the invention provides a method and a system for allocating the 10kV bus voltage and the public distribution transformer outlet voltage, which are used for solving the technical problems.
In a first aspect, the invention provides a method for allocating 10kV bus voltage and public distribution transformer outlet voltage, which comprises the following steps:
s1, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation;
s2, acquiring voltage of a 10kV bus of the transformer substation through a dispatching automation system, acquiring voltage of each typical public distribution transformer voltage sampling point through an electricity consumption information acquisition system, and generating a transmission transformation voltage model according to corresponding distribution gear and the distance between the 10kV bus of the transformer substation and the voltage sampling point;
s3, according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model, the actual voltage value of the 10kV bus of the corresponding transformer substation is adjusted through a dispatching automation system;
s4, correcting the transmission transformation voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value.
Further, the specific steps of step S1 are as follows:
s11, setting voltage sampling points on a 10kV bus of a transformer substation;
s12, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a corresponding 10kV public line of a transformer substation;
s13, acquiring the length of a transmission line between a 10kV bus of a transformer substation and a typical public distribution transformer;
s14, acquiring basic information and operation information of typical public gear. And setting voltage sampling points at a plurality of typical public distribution transformer outlets according to actual needs.
Further, the specific steps of step S2 are as follows:
s21, connecting a 10kV bus voltage sampling point of the transformer substation with a dispatching automation system;
s22, connecting each typical public distribution transformer outlet voltage sampling point with an electricity consumption information acquisition system;
s23, collecting 10kV bus voltage of the transformer substation through a dispatching automation system;
s24, collecting voltage of each typical public distribution transformer outlet voltage sampling point through an electricity consumption information collecting system;
s25, generating a transmission transformation voltage model according to the 10kV bus voltage of the transformer substation, the voltage of each typical public distribution transformer outlet voltage sampling point and the length of a transmission line. The electricity consumption information acquisition system is used for acquiring and monitoring the common voltage data.
Further, the specific steps of step S3 are as follows:
s31, obtaining an allowable maximum value of the typical public distribution transformer outlet voltage;
s32, calculating the maximum initial voltage value of the 10kV bus according to the transmission transformation voltage model;
s33, adjusting the gear of a main transformer of the transformer substation or switching capacitor bank through a voltage automatic control module of the dispatching automation system, so that the difference between the initial output value of the 10kV bus voltage of the transformer substation and the maximum initial voltage value is a set difference value. Typically, the common mode outlet voltage is lower than 198V and higher than 235.4V is over-voltage.
Further, the specific steps of step S4 are as follows:
s41, after the 10kV bus voltage output of the transformer substation is regulated, acquiring and judging whether the typical public distribution transformer outlet voltage is larger than the allowable maximum value of the typical public distribution transformer outlet voltage;
s42, if yes, correcting the transmission conversion voltage model, and returning to the step S32;
if not, judging that the typical public distribution transformer outlet voltage meets the standard, and storing a transmission transformation voltage model and adjusting the 10kV bus voltage of the transformer substation by a dispatching automation system. And continuously correcting the transmission transformation voltage model until the continuous overvoltage phenomenon of the public distribution transformer outlet voltage does not occur.
In a second aspect, the present invention provides a system for allocating 10kV bus voltage to public distribution transformer outlet voltage, comprising:
the voltage sampling point setting module is used for setting voltage sampling points at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation respectively;
the transmission transformation voltage model generation module is used for acquiring the voltage of the 10kV bus of the transformer substation through the dispatching automation system, acquiring the voltage of each typical public distribution transformer voltage sampling point through the electricity consumption information acquisition system, and generating a transmission transformation voltage model according to the corresponding distribution gear and the distance between the 10kV bus of the transformer substation and the voltage sampling point;
the 10kV bus voltage adjusting module is used for adjusting the actual voltage value of the 10kV bus of the corresponding transformer substation through the dispatching automation system according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model;
and the transmission conversion voltage model correction module is used for correcting the transmission conversion voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value.
Further, the voltage sampling point setting module includes:
the first voltage sampling point setting unit is used for setting a voltage sampling point on a 10kV bus of the transformer substation;
the second voltage sampling point setting unit is used for setting voltage sampling points at a plurality of typical public distribution transformer outlets of the corresponding 10kV public line of the transformer substation respectively;
the transmission line length acquisition unit is used for acquiring the length of a transmission line between a 10kV bus of a transformer substation and a typical public distribution transformer;
and the public distribution information acquisition unit is used for acquiring typical public distribution gear basic information and operation information.
Further, the transmission transformation voltage model generation module includes:
the dispatching automation system connection unit is used for connecting the 10kV bus voltage sampling points of the transformer substation with the dispatching automation system;
the power consumption information acquisition system connection unit is used for connecting each typical public distribution transformer outlet voltage sampling point with the power consumption information acquisition system;
the 10kV bus voltage acquisition unit is used for acquiring 10kV bus voltage of the transformer substation through the dispatching automation system;
the system comprises a power consumption information acquisition system, a power consumption information acquisition unit and a power consumption information acquisition unit, wherein the power consumption information acquisition system is used for acquiring the power consumption information of the power consumption information;
and the transmission transformation voltage model generation unit is used for generating a transmission transformation voltage model according to the 10kV bus voltage of the transformer substation, the sampling point voltage of each typical public distribution transformer outlet voltage and the length of the transmission line.
Further, the 10kV bus voltage adjustment module includes:
a typical public distribution transformer outlet voltage allowable maximum value acquisition unit for acquiring a typical public distribution transformer outlet voltage allowable maximum value;
the maximum initial voltage value calculation unit is used for calculating the maximum initial voltage value of the 10kV bus according to the transmission transformation voltage model;
the adjusting unit of the main transformer gear or the switched capacitor bank of the transformer substation is used for adjusting the main transformer gear or the switched capacitor bank of the transformer substation through the automatic control module of the dispatching automation system, so that the difference between the initial output value of the 10kV bus voltage and the maximum initial voltage value is a set difference value.
Further, the transmission transformation voltage model correction module includes:
the typical public distribution transformer outlet voltage judging unit is used for acquiring and judging whether the typical public distribution transformer outlet voltage is larger than the maximum value allowed by the typical public distribution transformer outlet voltage after adjusting the 10kV bus voltage output of the transformer substation;
a transmission voltage model correction unit for correcting the transmission conversion voltage model when the typical public distribution transformer outlet voltage is greater than the maximum value allowed by the typical public distribution transformer outlet voltage;
and the adjustment storage unit is used for judging that the typical public distribution transformer outlet voltage meets the standard when the typical public distribution transformer outlet voltage is smaller than or equal to the maximum value allowed by the typical public distribution transformer outlet voltage, and storing a transmission transformation voltage model and adjustment of the dispatching automation system to the 10kV bus voltage of the transformer substation.
The invention has the advantages that,
according to the method and the system for allocating the 10kV bus voltage and the public distribution transformer outlet voltage, the sampling points are arranged on the 10kV bus of the transformer substation, the transmission transformation voltage model is regenerated, the actual value of the 10kV bus voltage of the transformer substation is adjusted according to the standard range of the public distribution transformer outlet voltage, and finally, the fact that the public distribution transformer outlet voltage is not continuously overvoltage is guaranteed.
In addition, the invention has reliable design principle, simple structure, fully utilizes the existing information system and has very wide application prospect.
It can be seen that the present invention has outstanding substantial features and significant advances over the prior art, as well as the benefits of its implementation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic flow chart of the method of the present invention;
FIG. 2 is a second schematic flow chart of the method of the present invention;
FIG. 3 is a schematic diagram of a system according to the present invention;
in the figure, a 1-voltage sampling point setting module; 1.1-a voltage sampling point first setting unit; 1.2-a voltage sampling point second setting unit; 1.3-a transmission line length acquisition unit; 1.4-public distribution information acquisition unit; 2-a transmission transformation voltage model generation module; 2.1-a dispatch automation system connection unit; 2.2-an electricity consumption information acquisition system connection unit; 2.3-10kV bus voltage acquisition units; 2.4-each typical utility distribution transformer outlet voltage acquisition unit; 2.5-a transmission conversion voltage model generation unit; 3-10kV bus voltage adjusting module; 3.1-a typical utility distribution transformer outlet voltage allowed maximum value acquisition unit; 3.2-a maximum initial voltage value calculation unit; 3.3-a main transformer gear or switching capacitor bank adjusting unit of the transformer substation; 4-a transmission transformation voltage model correction module; 4.1-a typical public distribution transformer outlet voltage judging unit; 4.2-a transmission voltage model correction unit; 4.3-adjust save unit.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Example 1:
as shown in fig. 1, the invention provides a method for allocating 10kV bus voltage and public distribution transformer outlet voltage, comprising the following steps:
s1, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation;
s2, acquiring voltage of a 10kV bus of the transformer substation through a dispatching automation system, acquiring voltage of each typical public distribution transformer voltage sampling point through an electricity consumption information acquisition system, and generating a transmission transformation voltage model according to corresponding distribution gear and the distance between the 10kV bus of the transformer substation and the voltage sampling point;
s3, according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model, the actual voltage value of the 10kV bus of the corresponding transformer substation is adjusted through a dispatching automation system;
s4, correcting the transmission transformation voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value.
Example 2:
as shown in fig. 2, the invention provides a method for allocating 10kV bus voltage and public distribution transformer outlet voltage, comprising the following steps:
s1, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation; the method comprises the following specific steps:
s11, setting voltage sampling points on a 10kV bus of a transformer substation;
s12, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a corresponding 10kV public line of a transformer substation;
s13, acquiring the length of a transmission line between a 10kV bus of a transformer substation and a typical public distribution transformer;
s14, acquiring basic information and operation information of typical public gear change;
s2, acquiring voltage of a 10kV bus of the transformer substation through a dispatching automation system, acquiring voltage of each typical public distribution transformer voltage sampling point through an electricity consumption information acquisition system, and generating a transmission transformation voltage model according to corresponding distribution gear and the distance between the 10kV bus of the transformer substation and the voltage sampling point; the method comprises the following specific steps:
s21, connecting a 10kV bus voltage sampling point of the transformer substation with a dispatching automation system;
s22, connecting each typical public distribution transformer outlet voltage sampling point with an electricity consumption information acquisition system;
s23, collecting 10kV bus voltage of the transformer substation through a dispatching automation system;
s24, collecting voltage of each typical public distribution transformer outlet voltage sampling point through an electricity consumption information collecting system;
s25, generating a transmission conversion voltage model according to 10kV bus voltage of the transformer substation, voltage of sampling points of voltage of each typical public distribution transformer outlet and length of a transmission line;
s3, according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model, the actual voltage value of the 10kV bus of the corresponding transformer substation is adjusted through a dispatching automation system; the method comprises the following specific steps:
s31, obtaining an allowable maximum value of the typical public distribution transformer outlet voltage;
s32, calculating the maximum initial voltage value of the 10kV bus according to the transmission transformation voltage model;
s33, adjusting a main transformer gear of the transformer substation or switching capacitor bank through a dispatching automation system voltage automatic control module to enable the difference between the initial output value of the 10kV bus voltage of the transformer substation and the maximum initial voltage value to be a set difference value; typically, the utility outlet voltage is lower than 198V, while the utility outlet voltage is higher than 235.4V, which is an overvoltage;
s4, correcting the transmission transformation voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value; the method comprises the following specific steps:
the method comprises the following specific steps:
s41, after the 10kV bus voltage output of the transformer substation is regulated, acquiring and judging whether the typical public distribution transformer outlet voltage is larger than the allowable maximum value of the typical public distribution transformer outlet voltage;
s42, if yes, correcting the transmission conversion voltage model, and returning to the step S32;
if not, judging that the typical public distribution transformer outlet voltage meets the standard, and storing a transmission transformation voltage model and adjusting the 10kV bus voltage of the transformer substation by a dispatching automation system; and continuously correcting the transmission transformation voltage model until the continuous overvoltage phenomenon of the public distribution transformer outlet voltage does not occur.
Example 3:
as shown in fig. 3, the present invention provides a system for allocating 10kV bus voltage and public distribution transformer outlet voltage, comprising:
the voltage sampling point setting module 1 is used for respectively setting voltage sampling points at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation; the voltage sampling point setting module 1 includes:
the first voltage sampling point setting unit 1.1 is used for setting a voltage sampling point on a 10kV bus of the transformer substation;
the second voltage sampling point setting unit 1.2 is used for respectively setting voltage sampling points at a plurality of typical public distribution transformer outlets of the corresponding 10kV public line of the transformer substation;
the transmission line length acquisition unit 1.3 is used for acquiring the length of a transmission line between a 10kV bus of a transformer substation and a typical public distribution transformer;
the public distribution information acquisition unit 1.4 is used for acquiring typical public distribution gear basic information and operation information;
the transmission transformation voltage model generation module 2 is used for acquiring the voltage of the 10kV bus of the transformer substation through the dispatching automation system, acquiring the voltage of each typical public distribution transformer voltage sampling point through the electricity consumption information acquisition system, and generating a transmission transformation voltage model according to the corresponding distribution gear and the distance between the 10kV bus of the transformer substation and the voltage sampling point; the transmission conversion voltage model generation module 2 includes:
the dispatching automation system connecting unit 2.1 is used for connecting the 10kV bus voltage sampling points of the transformer substation with the dispatching automation system;
the electricity consumption information acquisition system connection unit 2.2 is used for connecting each typical public distribution transformer outlet voltage sampling point with the electricity consumption information acquisition system;
the 10kV bus voltage acquisition unit 2.3 is used for acquiring the 10kV bus voltage of the transformer substation through the dispatching automation system;
each typical public distribution transformer outlet voltage acquisition unit 2.4 is used for acquiring the voltage of each typical public distribution transformer outlet voltage sampling point through the electricity consumption information acquisition system;
the transmission transformation voltage model generating unit 2.5 is used for generating a transmission transformation voltage model according to the 10kV bus voltage of the transformer substation, the voltage of each typical public distribution transformer outlet voltage sampling point and the length of a transmission line;
the 10kV bus voltage adjusting module 3 is used for adjusting the actual voltage value of the 10kV bus of the corresponding transformer substation through the dispatching automation system according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model; the 10kV bus voltage adjustment module 3 includes:
a typical utility distribution transformer outlet voltage allowable maximum value acquiring unit 3.1, configured to acquire a typical utility distribution transformer outlet voltage allowable maximum value;
the maximum initial voltage value calculating unit 3.2 is used for calculating the maximum initial voltage value of the 10kV bus according to the transmission transformation voltage model;
the adjusting unit 3.3 of the main transformer gear or the switched capacitor bank of the transformer substation is used for adjusting the main transformer gear or the switched capacitor bank of the transformer substation through an automatic control module of the dispatching automation system so that the difference between the initial output value of the 10kV bus voltage and the maximum initial voltage value is a set difference value;
the transmission transformation voltage model correction module 4 is used for correcting the transmission transformation voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value; the transmission conversion voltage model correction module 4 includes:
the typical public distribution transformer outlet voltage judging unit 4.1 is used for acquiring and judging whether the typical public distribution transformer outlet voltage is larger than the maximum value allowed by the typical public distribution transformer outlet voltage after adjusting the 10kV bus voltage output of the transformer substation;
a transmission voltage model correction unit 4.2 for correcting the transmission conversion voltage model when the typical utility distribution transformer outlet voltage is greater than the maximum value allowed by the typical utility distribution transformer outlet voltage;
and the adjustment storage unit 4.3 is used for judging that the typical public distribution transformer outlet voltage meets the standard when the typical public distribution transformer outlet voltage is smaller than or equal to the maximum value allowed by the typical public distribution transformer outlet voltage, and storing a transmission transformation voltage model and adjusting the 10kV bus voltage of the transformer substation by the dispatching automation system.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. The method for allocating the 10kV bus voltage and the public distribution transformer outlet voltage is characterized by comprising the following steps of:
s1, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation;
s2, collecting 10kV bus voltage sampling point voltages of the transformer substation through a dispatching automation system, collecting voltage sampling point voltages of each typical public distribution transformer through an electricity consumption information collection system, and generating a transmission transformation voltage model according to the 10kV bus voltages of the transformer substation, the voltage sampling point voltages of each typical public distribution transformer outlet and the length of a transmission line;
s3, according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model, the actual voltage value of the 10kV bus of the corresponding transformer substation is adjusted through a dispatching automation system;
s4, correcting the transmission transformation voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value;
the specific steps of the step S1 are as follows:
s11, setting voltage sampling points on a 10kV bus of a transformer substation;
s12, voltage sampling points are respectively arranged at a plurality of typical public distribution transformer outlets of a corresponding 10kV public line of a transformer substation;
s13, acquiring the length of a transmission line between a 10kV bus of a transformer substation and a typical public distribution transformer;
s14, acquiring basic information and operation information of typical public gear change;
the specific steps of the step S2 are as follows:
s21, connecting a 10kV bus voltage sampling point of the transformer substation with a dispatching automation system;
s22, connecting each typical public distribution transformer outlet voltage sampling point with an electricity consumption information acquisition system;
s23, collecting 10kV bus voltage of the transformer substation through a dispatching automation system;
s24, collecting voltage of each typical public distribution transformer outlet voltage sampling point through an electricity consumption information collecting system;
s25, generating a transmission conversion voltage model according to 10kV bus voltage of the transformer substation, voltage of sampling points of voltage of each typical public distribution transformer outlet and length of a transmission line;
the specific steps of the step S3 are as follows:
s31, obtaining an allowable maximum value of the typical public distribution transformer outlet voltage;
s32, calculating the maximum initial voltage value of the 10kV bus according to the transmission transformation voltage model;
s33, adjusting a main transformer gear of the transformer substation or switching capacitor bank through a dispatching automation system voltage automatic control module to enable the difference between the initial output value of the 10kV bus voltage of the transformer substation and the maximum initial voltage value to be a set difference value;
the specific steps of the step S4 are as follows:
s41, after the 10kV bus voltage output of the transformer substation is regulated, acquiring and judging whether the typical public distribution transformer outlet voltage is larger than the allowable maximum value of the typical public distribution transformer outlet voltage;
s42, if yes, correcting the transmission conversion voltage model, and returning to the step S32;
if not, judging that the typical public distribution transformer outlet voltage meets the standard, and storing a transmission transformation voltage model and adjusting the 10kV bus voltage of the transformer substation by a dispatching automation system.
2. A 10kV bus voltage and utility distribution outlet voltage distribution system, comprising:
the voltage sampling point setting module (1) is used for respectively setting voltage sampling points at a plurality of typical public distribution transformer outlets of a 10kV public line of a transformer substation;
the transmission transformation voltage model generation module (2) is used for acquiring 10kV bus voltage sampling point voltages of the transformer substation through the dispatching automation system, acquiring voltage sampling point voltages of each typical public distribution transformer through the power consumption information acquisition system, and generating a transmission transformation voltage model according to the 10kV bus voltages of the transformer substation, the voltage sampling point voltages of each typical public distribution transformer outlet and the length of a transmission line;
the 10kV bus voltage adjusting module (3) is used for adjusting the actual voltage value of the 10kV bus of the corresponding transformer substation through the dispatching automation system according to the standard range of the public distribution transformer outlet voltage and the transmission transformation voltage model;
a transmission conversion voltage model correction module (4) for correcting the transmission conversion voltage model until the outlet voltage of the public distribution transformer meets the standard voltage value;
the voltage sampling point setting module (1) includes:
the first voltage sampling point setting unit (1.1) is used for setting a voltage sampling point on a 10kV bus of the transformer substation;
the second setting unit (1.2) of the voltage sampling point is used for setting the voltage sampling point at a plurality of typical public distribution transformer outlets of the corresponding 10kV public line of the transformer substation respectively;
the transmission line length acquisition unit (1.3) is used for acquiring the length of a transmission line between a 10kV bus of a transformer substation and a typical public distribution transformer;
the public distribution information acquisition unit (1.4) is used for acquiring typical public distribution gear basic information and running information;
the transmission conversion voltage model generation module (2) includes:
the dispatching automation system connection unit (2.1) is used for connecting the 10kV bus voltage sampling points of the transformer substation with the dispatching automation system;
the electricity consumption information acquisition system connection unit (2.2) is used for connecting each typical public distribution transformer outlet voltage sampling point with the electricity consumption information acquisition system;
the 10kV bus voltage acquisition unit (2.3) is used for acquiring the 10kV bus voltage of the transformer substation through the dispatching automation system;
each typical public distribution transformer outlet voltage acquisition unit (2.4) is used for acquiring the voltage of each typical public distribution transformer outlet voltage sampling point through the electricity consumption information acquisition system;
the transmission transformation voltage model generating unit (2.5) is used for generating a transmission transformation voltage model according to 10kV bus voltage of the transformer substation, sampling point voltage of each typical public distribution transformer outlet voltage and the length of a transmission line;
the 10kV bus voltage adjustment module (3) comprises:
a typical utility outlet voltage allowable maximum value acquisition unit (3.1) for acquiring a typical utility outlet voltage allowable maximum value;
the maximum initial voltage value calculation unit (3.2) is used for calculating the maximum initial voltage value of the 10kV bus according to the transmission transformation voltage model;
the adjusting unit (3.3) of the main transformer gear or the switching capacitor bank of the transformer substation is used for adjusting the main transformer gear or the switching capacitor bank of the transformer substation through the automatic control module of the dispatching automation system so that the difference between the initial output value of the 10kV bus voltage and the maximum initial voltage value is a set difference value;
the transmission conversion voltage model correction module (4) includes:
the typical public distribution transformer outlet voltage judging unit (4.1) is used for acquiring and judging whether the typical public distribution transformer outlet voltage is larger than the maximum value allowed by the typical public distribution transformer outlet voltage after regulating the 10kV bus voltage output of the transformer substation;
a transmission voltage model correction unit (4.2) for correcting the transmission conversion voltage model when the typical utility distribution transformer outlet voltage is greater than the maximum value allowed by the typical utility distribution transformer outlet voltage;
and the adjustment storage unit (4.3) is used for judging that the typical public distribution transformer outlet voltage meets the standard when the typical public distribution transformer outlet voltage is smaller than or equal to the maximum value allowed by the typical public distribution transformer outlet voltage, and storing a transmission transformation voltage model and adjusting the 10kV bus voltage of the transformer substation by the dispatching automation system.
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