CN105186523B - The installation site of voltage regulator determines method and apparatus in overhead transmission line - Google Patents
The installation site of voltage regulator determines method and apparatus in overhead transmission line Download PDFInfo
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Abstract
Method and apparatus are determined the invention discloses a kind of installation site of voltage regulator in overhead transmission line.This method includes：Overhead transmission line is simulated by overhead transmission line dynamic simulator system, overhead transmission line dynamic simulator system includes impedance simulation device and load simulator, overhead transmission line dynamic simulator system receives the electrical parameter of matching somebody with somebody of overhead transmission line, and the electrical parameter of matching somebody with somebody of overhead transmission line includes the line length and load parameter of overhead transmission line；Overhead transmission line dynamic simulator system adjusts impedance simulation device and load simulator respectively according to line length and load parameter, obtains analog line, and analog line is used for the line impedance and line load for simulating overhead transmission line；And overhead transmission line dynamic simulator system determines the installation site of voltage regulator in analog line.By the present invention, the problem of voltage regulator installation site in correlation technique is inaccurate is solved.
Description
Technical field
The present invention relates to field of power, in particular to a kind of installation position of voltage regulator in overhead transmission line
Put determination method and apparatus.
Background technology
Power network can all influence the peace of power network as a complicated network system, the interference of any one local electricity equipment
Row for the national games, causes the quality of power supply to be deteriorated during transmission and distribution, China regulation 10kV and following power distribution network supply voltage
It is ± 7% to allow excursion, and actual power network is due to circuit length, line loss is big, radius of electricity supply is big, power load distributing is wide, divide
Branch line is more, voltage is influenceed larger by daily load and season load variations, and distribution network voltage phenomenon off quality is very general
Time.In order to meet demand of the user to high-quality electric energy, improve supply line's quality of voltage, voltage regulator is in a power distribution system
It is used widely.The basic functional principle of voltage regulator is that some taps are drawn from a certain lateral coil of voltage regulator
Head, by load ratio bridging switch, in the case where not cutting off load current, by a tap-change operation to another tap, to become
Effective turn is changed, the purpose of adjusting circuit voltage is reached.Rule of thumb, voltage regulator is typically mounted in the middle part of circuit either
At the 2/3 of circuit, such installation site by calculating with verifying, can not protected the quality of power supply of whole piece circuit
Card, there is certain limitation.
For the voltage regulator installation site in overhead transmission line in correlation technique it is inaccurate the problem of, not yet propose at present
Effective solution.
The content of the invention
It is a primary object of the present invention to provide a kind of installation site of voltage regulator in overhead transmission line determine method and
Device, to solve the problem of voltage regulator installation site in correlation technique in overhead transmission line is inaccurate.
To achieve these goals, according to an aspect of the invention, there is provided voltage regulator in a kind of overhead transmission line
Installation site determine method.This method simulates overhead transmission line, overhead transmission line dynamic analog by overhead transmission line dynamic simulator system
Plan system includes impedance simulation device and load simulator, and this method includes：Overhead transmission line dynamic simulator system receives overhead transmission line
Match somebody with somebody electrical parameter, the line length with electrical parameter including overhead transmission line and load parameter of overhead transmission line；Overhead transmission line dynamic analog
Plan system adjusts impedance simulation device and load simulator respectively according to line length and load parameter, obtains analog line, simulation
Circuit is used for the line impedance and line load for simulating overhead transmission line；And overhead transmission line dynamic simulator system is in analog line
Determine the installation site of voltage regulator.
Further, overhead transmission line dynamic simulator system determines the installation site bag of voltage regulator in analog line
Include：The position that working voltage in analog line is equal to preset voltage value is obtained, obtains simulating installation site；And pacified according to simulation
Holding position determines the installation site of the voltage regulator in overhead transmission line.
Further, the position that working voltage in analog line is equal to preset voltage value is obtained, obtains simulating installation site
Including：The magnitude of voltage of multiple voltage sample positions in analog line is measured, multiple voltage sample values are obtained；And by multiple voltages
Voltage sample position corresponding with the voltage sample value that the absolute value of the difference of preset voltage value is minimum is used as simulation in sampled value
Installation site.
Further, overhead transmission line is 10KV overhead transmission lines, the closed loop line that 10KV overhead transmission lines are got in touch with using three segmentations three
Road is laid out, and open loop operation mode.
To achieve these goals, according to an aspect of the invention, there is provided voltage regulator in a kind of overhead transmission line
Installation site determining device.The device simulates overhead transmission line, overhead transmission line dynamic analog by overhead transmission line dynamic simulator system
Plan system includes impedance simulation device and load simulator, and the device includes：Receiving unit, the distribution for receiving overhead transmission line is joined
Number, the electrical parameter of matching somebody with somebody of overhead transmission line includes the line length and load parameter of overhead transmission line；Adjustment unit, it is dynamic for overhead transmission line
State simulation system adjusts impedance simulation device and load simulator respectively according to line length and load parameter, obtains analog line,
Analog line is used for the line impedance and line load for simulating overhead transmission line；And determining unit, for true in analog line
Determine the installation site of voltage regulator.
Further, it is determined that unit includes：Acquisition module, is equal to predeterminated voltage for obtaining working voltage in analog line
The position of value, obtains simulating installation site；And determining module, it is electric in overhead transmission line for being determined according to simulation installation site
Press the installation site of adjuster.
Further, acquisition module includes：Submodule is measured, for measuring multiple voltage sample positions in analog line
Magnitude of voltage, obtains multiple voltage sample values；And determination sub-module, for by multiple voltage sample values with preset voltage value
The minimum corresponding voltage sample position of voltage sample value of the absolute value of difference is used as simulation installation site.
Further, the overhead transmission line is 10KV overhead transmission lines, the closed loop that 10KV overhead transmission lines are got in touch with using three segmentations three
Configuration, and open loop operation mode.
To achieve these goals, according to an aspect of the invention, there is provided a kind of overhead transmission line dynamic simulator system,
The installation site determining device of voltage regulator in the overhead transmission line provided including the present invention.
To achieve these goals, according to an aspect of the invention, there is provided a kind of overhead transmission line dynamic simulator system,
The system includes：Distribution main website, the electrical parameter of matching somebody with somebody for receiving overhead transmission line, the electrical parameter of matching somebody with somebody of overhead transmission line includes overhead transmission line
Line length and load parameter；Impedance simulation device, the impedance for simulating overhead transmission line according to the line length of overhead transmission line；
Load simulator, the load for simulating overhead transmission line according to the load parameter of overhead transmission line；Power distribution automation management equipment, is used
In adjusting impedance simulation device and load simulator respectively according to line length and load parameter；And distribution terminal, in mould
Intend determining the installation site of voltage regulator in circuit.
The present invention simulates overhead transmission line by overhead transmission line dynamic simulator system, and overhead transmission line dynamic simulator system includes resistance
Anti- simulator and load simulator, what overhead transmission line dynamic simulator system received overhead transmission line matches somebody with somebody electrical parameter, and overhead transmission line is matched somebody with somebody
Electrical parameter includes the line length and load parameter of overhead transmission line；Overhead transmission line dynamic simulator system is according to line length and load
Parameter adjusts impedance simulation device and load simulator respectively, obtains analog line, and analog line is used for the line for simulating overhead transmission line
Roadlock resists and line load；And overhead transmission line dynamic simulator system determines the installation position of voltage regulator in analog line
Put, solve the problem of voltage regulator installation site in correlation technique is inaccurate, and then reached accurate in overhead transmission line
The effect of voltage regulator is really installed.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is that the installation site of voltage regulator in overhead transmission line according to embodiments of the present invention determines the flow of method
Figure；
Fig. 2 is the signal of the installation site determining device of voltage regulator in overhead transmission line according to embodiments of the present invention
Figure；And
Fig. 3 is the schematic diagram of overhead transmission line dynamic simulator system according to embodiments of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
Method is determined The embodiment provides a kind of installation site of voltage regulator in overhead transmission line.
Fig. 1 is that the installation site of voltage regulator in overhead transmission line according to embodiments of the present invention determines the flow of method
Figure.As shown in figure 1, this method comprises the following steps：
Step S101, overhead transmission line dynamic simulator system receives the electrical parameter of matching somebody with somebody of overhead transmission line, and the distribution of overhead transmission line is joined
Number includes the line length and load parameter of overhead transmission line.
Overhead transmission line dynamic simulator system can match somebody with somebody electrical parameter by distribution main website reception overhead transmission line, wherein, distribution
Parameter includes the line length and load parameter of overhead transmission line.Overhead transmission line is the distribution line commonly used in power system, is used
Transmission pressure is fixed on the shaft tower for stand on ground to transmit electric energy by insulator, and transmission pressure is exposed in atmosphere, by leading
The good metal of electricity is made.The transmission pressure length of overhead transmission line determines the size of line impedance, and loads and overhead transmission line
Supply voltage grade, conveying capacitance are relevant with fed distance, wherein, transmission pressure length decide the conveying of overhead transmission line away from
From.Overhead transmission line dynamic simulator system can be received by distribution main website and overhead transmission line is simulated with electrical parameter.Distribution master
Station refers in power system, related software can be used to carry out the main station system of Automated condtrol, for example, scheduling automated
System, data acquisition and monitoring control (Supervisory Control And Data Acquisition, abbreviation SCADA) system
Deng.Distribution main website can receive power system transmission data, including overhead transmission line match somebody with somebody electrical parameter.
Step S102, overhead transmission line dynamic simulator system adjusts impedance simulation device respectively according to line length and load parameter
And load simulator, analog line is obtained, analog line is used for the line impedance and line load for simulating overhead transmission line.
Overhead transmission line dynamic simulator system includes impedance simulation device and load simulator, in overhead transmission line dynamic simulator system
Line length and load parameter of overhead transmission line etc. are obtained with after electrical parameter, is adjusted respectively according to line length and load parameter
Impedance simulation device and load simulator, obtain analog line, simulate the line impedance and line load of actual overhead transmission line.
In circuit with resistance, inductance and electric capacity, impedance is called to the inhibition that alternating current rises, impedance simulation device is for mould
Intend the device of the impedance in overhead transmission line.For example, microgrid line impedance simulates cabinet, it is by distributed power source, energy storage device, energy
The impedance simulation device that conversion equipment, associated loadings and monitoring, protection device are collected, can self-contr ol, can be with outside
Power network is incorporated into the power networks, and can simulate the impedance on 0~500 rice noodles road, by inputting the line length matched somebody with somebody in electrical parameter, impedance simulation
Device can simulate the impedance of actual overhead transmission line, and without the telemeasurement of overhead transmission line, be easy to the collection of information.It is negative
The load that simulator is then used to simulate overhead transmission line is carried, load simulator is adjusted according to the load parameter received, with
Impedance simulation device is combined, and obtains the analog line for simulating actual overhead transmission line, the analog line can simulate overhead transmission line
Actual track impedance and line load.Alternatively, capacitance simulator group is also included in overhead transmission line dynamic simulator system, is received
To match somebody with somebody direct-to-ground capacitance parameter included in electrical parameter, overhead transmission line dynamic simulator system can simulate reality by capacitance simulator
The direct-to-ground capacitance of border overhead transmission line, makes the analog line that overhead transmission line dynamic simulator system is set up closer to actual overhead line
Road.By impedance simulation device, load simulator and capacitance simulator group, overhead transmission line dynamic simulator system can simulate any one
The circuit length of bar overhead transmission line, branched line, the power load distributing situation of line loss size and circuit, to install voltage regulator
Installation provide effective data supporting.
Step S103, overhead transmission line dynamic simulator system determines the installation site of voltage regulator in analog line.
Set up out by overhead transmission line dynamic simulator system after the analog line for simulating overhead transmission line, in artificial line
In road determine voltage regulator installation site, the position can as actual overhead transmission line reference installation site, compare experience
Value is more accurate.
Preferably, overhead transmission line dynamic simulator system is equal to preset voltage value by obtaining working voltage in analog line
Position, obtains simulating installation site, and according to the installation site of simulation installation site determination voltage regulator in overhead transmission line.
Preferably, working voltage in analog line is obtained many in analog line by measuring equal to the position of preset voltage value
The magnitude of voltage of individual voltage sample position, obtains multiple voltage sample values, by the difference in multiple voltage sample values with preset voltage value
The absolute value sequence of value, takes the voltage sample position corresponding to the minimum voltage sample value of absolute difference as simulation installation position
Put.
Alternatively, obtain after simulation installation site, can will directly simulate installation site as voltage regulator in frame
Installation site in ceases to be busy road, can also into overhead transmission line, the direction of power supply side is more close, close principle is to make electricity
The magnitude of voltage after adjuster regulation is pressed to allow in the voltage of overhead transmission line within excursion.
Preferably, overhead transmission line is 10KV overhead transmission lines, the closed circuit that 10KV overhead transmission lines are got in touch with using three segmentations three
Layout, and open loop operation mode.The installation site of voltage regulator determines that method is applied in the overhead transmission line of the present embodiment
10KV overhead transmission lines.
The installation site of voltage regulator determines method in overhead transmission line provided in an embodiment of the present invention, passes through overhead transmission line
Dynamic simulator system receives the electrical parameter of matching somebody with somebody of overhead transmission line, the line length with electrical parameter including overhead transmission line of overhead transmission line and
Load parameter；Overhead transmission line dynamic simulator system adjusts impedance simulation device and load mould respectively according to line length and load parameter
Intend device, obtain analog line, analog line is used for the line impedance and line load for simulating overhead transmission line；And overhead transmission line is dynamic
State simulation system determines the installation site of voltage regulator in analog line, solves the voltage regulator peace in correlation technique
The problem of holding position is inaccurate, and then reached the accurate effect for installing voltage regulator in overhead transmission line.
It should be noted that can be in such as one group computer executable instructions the step of the flow of accompanying drawing is illustrated
Performed in computer system, and, although logical order is shown in flow charts, but in some cases, can be with not
The order being same as herein performs shown or described step.
Embodiments of the invention additionally provide a kind of installation site determining device of voltage regulator in overhead transmission line.Need
Illustrate, the installation site determining device of voltage regulator can be used for performing this hair in the overhead transmission line of the embodiment of the present invention
The installation site of voltage regulator determines method in bright overhead transmission line.
Fig. 2 is the signal of the installation site determining device of voltage regulator in overhead transmission line according to embodiments of the present invention
Figure.As shown in Fig. 2 the device includes：Receiving unit 10, adjustment unit 20 and determining unit 30.
Receiving unit 10, the electrical parameter of matching somebody with somebody for receiving overhead transmission line, the electrical parameter of matching somebody with somebody of overhead transmission line includes overhead transmission line
Line length and load parameter；Adjustment unit 20, joins for overhead transmission line dynamic simulator system according to line length and load
Number adjusts impedance simulation device and load simulator respectively, obtains analog line, and analog line is used for the circuit for simulating overhead transmission line
Impedance and line load；And determining unit 30, the installation site for determining voltage regulator in analog line.
Preferably, determining unit 30 includes：Acquisition module, is equal to predeterminated voltage for obtaining working voltage in analog line
The position of value, obtains simulating installation site；And determining module, it is electric in overhead transmission line for being determined according to simulation installation site
Press the installation site of adjuster.
Preferably, acquisition module includes：Measure submodule, the electricity for measuring multiple voltage sample positions in analog line
Pressure value, obtains multiple voltage sample values；And determination sub-module, for by the difference in multiple voltage sample values with preset voltage value
The minimum corresponding voltage sample position of voltage sample value of the absolute value of value is used as simulation installation site.
Preferably, overhead transmission line is 10KV overhead transmission lines, the closed circuit that 10KV overhead transmission lines are got in touch with using three segmentations three
Layout, and open loop operation mode.
The installation site determining device of voltage regulator solves related skill in overhead transmission line provided in an embodiment of the present invention
The problem of voltage regulator installation site in art is inaccurate, and then reached the accurate installation voltage regulator in overhead transmission line
Effect.
Embodiments of the invention additionally provide a kind of overhead transmission line dynamic simulator system, including the overhead line that the present invention is provided
The installation site determining device of voltage regulator in road.
Embodiments of the invention additionally provide a kind of overhead transmission line dynamic simulator system.Fig. 3 is according to embodiments of the present invention
Overhead transmission line dynamic simulator system schematic diagram.As shown in figure 3, the system includes：Distribution main website 40, impedance simulation device 50,
Load simulator 60, power distribution automation management equipment 70 and distribution terminal 80.
Distribution main website 40 is used for the electrical parameter of matching somebody with somebody for receiving overhead transmission line, and the electrical parameter of matching somebody with somebody of overhead transmission line includes overhead transmission line
Line length and load parameter.Impedance simulation device 50 is used for the impedance that overhead transmission line is simulated according to the line length of overhead transmission line.
Load simulator 60 is used for the load that overhead transmission line is simulated according to the load parameter of overhead transmission line.Power distribution automation management equipment 70
For adjusting impedance simulation device and load simulator respectively according to line length and load parameter.Distribution terminal 80 is used in simulation
The installation site of voltage regulator is determined in circuit.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step single integrated circuit module is fabricated to realize.So, the present invention is not restricted to any specific
Hardware and software is combined.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. the installation site of voltage regulator determines method in a kind of overhead transmission line, it is characterised in that pass through overhead transmission line dynamic
Simulation system simulates the overhead transmission line, and the overhead transmission line dynamic simulator system includes impedance simulation device and load simulator,
Methods described includes：
The overhead transmission line dynamic simulator system receives the electrical parameter of matching somebody with somebody of the overhead transmission line, and the overhead transmission line matches somebody with somebody electrical parameter
Line length and load parameter including the overhead transmission line；
The overhead transmission line dynamic simulator system adjusts the modulus of impedance respectively according to the line length and the load parameter
Intend device and the load simulator, obtain analog line, the analog line is used for the line impedance for simulating the overhead transmission line
And line load；And
The overhead transmission line dynamic simulator system determines the installation site of voltage regulator in the analog line；
Wherein, the overhead transmission line dynamic simulator system determines the installation site bag of voltage regulator in the analog line
Include：
The position that working voltage in the analog line is equal to preset voltage value is obtained, obtains simulating installation site；And
The installation site of the voltage regulator in the overhead transmission line is determined according to the simulation installation site.
2. according to the method described in claim 1, it is characterised in that obtain working voltage in the analog line and be equal to default electricity
The position of pressure value, obtaining simulation installation site includes：
The magnitude of voltage of multiple voltage sample positions in the analog line is measured, multiple voltage sample values are obtained；And
Will be corresponding with the voltage sample value that the absolute value of the difference of the preset voltage value is minimum in the multiple voltage sample value
Voltage sample position be used as the simulation installation site.
3. according to the method described in claim 1, it is characterised in that the overhead transmission line is 10KV overhead transmission lines, the 10KV
Overhead transmission line is laid out using the closed circuit of the contact of three segmentation three, and open loop operation mode.
4. the installation site determining device of voltage regulator in a kind of overhead transmission line, it is characterised in that pass through overhead transmission line dynamic
Simulation system simulates the overhead transmission line, and the overhead transmission line dynamic simulator system includes impedance simulation device and load simulator,
Described device includes：
Receiving unit, the electrical parameter of matching somebody with somebody for receiving the overhead transmission line, the electrical parameter of matching somebody with somebody of the overhead transmission line includes the frame
The line length and load parameter on ceases to be busy road；
Adjustment unit, is adjusted respectively for the overhead transmission line dynamic simulator system according to the line length and the load parameter
The impedance simulation device and the load simulator are saved, analog line is obtained, the analog line is used to simulate the overhead line
The line impedance and line load on road；And
Determining unit, the installation site for determining voltage regulator in the analog line；
Wherein, the determining unit includes：
Acquisition module, the position of preset voltage value is equal to for obtaining working voltage in the analog line, is obtained simulation and is installed
Position；And
Determining module, the installation position for determining the voltage regulator in the overhead transmission line according to the simulation installation site
Put.
5. device according to claim 4, it is characterised in that the acquisition module includes：
Submodule is measured, the magnitude of voltage for measuring multiple voltage sample positions in the analog line obtains multiple voltages and adopted
Sample value；And
Determination sub-module, for will be minimum with the absolute value of the difference of the preset voltage value in the multiple voltage sample value
The corresponding voltage sample position of voltage sample value is used as the simulation installation site.
6. device according to claim 4, it is characterised in that the overhead transmission line is 10KV overhead transmission lines, the 10KV
Overhead transmission line is laid out using the closed circuit of the contact of three segmentation three, and open loop operation mode.
7. a kind of overhead transmission line dynamic simulator system, it is characterised in that adjusted including voltage in the overhead transmission line described in claim 4
Save the installation site determining device of device.
8. a kind of overhead transmission line dynamic simulator system, it is characterised in that including：
Distribution main website, the electrical parameter of matching somebody with somebody for receiving the overhead transmission line, the electrical parameter of matching somebody with somebody of the overhead transmission line includes the frame
The line length and load parameter on ceases to be busy road；
Impedance simulation device, the impedance for simulating the overhead transmission line according to the line length of the overhead transmission line；
Load simulator, the load for simulating the overhead transmission line according to the load parameter of the overhead transmission line；
Power distribution automation management equipment, for adjusting the impedance simulation respectively according to the line length and the load parameter
Device and the load simulator；And
Distribution terminal, the installation site for determining voltage regulator in the analog line；
Wherein, the distribution terminal is used for：The position that working voltage in the analog line is equal to preset voltage value is obtained, is obtained
Simulate installation site；And the installation position of the voltage regulator in the overhead transmission line is determined according to the simulation installation site
Put.
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| CN201510729394.9A CN105186523B (en) | 2015-10-30 | 2015-10-30 | The installation site of voltage regulator determines method and apparatus in overhead transmission line |
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|---|---|---|---|
| CN201510729394.9A CN105186523B (en) | 2015-10-30 | 2015-10-30 | The installation site of voltage regulator determines method and apparatus in overhead transmission line |
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