CN103700300B - Teaching simulation power transmission line and method for simulating power transmission line - Google Patents
Teaching simulation power transmission line and method for simulating power transmission line Download PDFInfo
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- 238000012545 processing Methods 0.000 claims description 8
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- 238000012360 testing method Methods 0.000 abstract description 8
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Abstract
The invention provides a simulation power transmission line for teaching and a method for simulating the power transmission line, wherein the simulation power transmission line for teaching consists of a simulation power transmission line and a simulation line parameter measuring instrument; the simulation power transmission line is used for transmitting corresponding power on the power transmission line according to the simulation power transmission line target parameter set by a user; the simulation line parameter measuring instrument is used for measuring the target parameters of the simulation power transmission line after a correct measuring loop is set up between the simulation power transmission line parameter measuring instrument and the simulation power transmission line. The teaching simulation power transmission line and the method for simulating the power transmission line provided by the embodiment of the invention are mainly used for a high-voltage laboratory to simulate the tests of items such as positive sequence impedance, zero sequence impedance, positive sequence capacitance, zero sequence capacitance and the like of the high-voltage power transmission line. Different line parameters and different line lengths can be set at any time during the test. Meanwhile, the whole process has no high-voltage output and is safe and reliable.
Description
Technical field
The present invention relates to field of electrical equipment, particularly relate to a kind of teaching transmission line simulation and simulation transmission of electricity
The method of circuit.
Background technology
Due to constantly putting into operation of the development of power system, high pressure and extra high voltage network, for giving
Relay protection line parameter circuit value accurately, needs to measure the line parameter circuit value of transmission line of electricity.
The line parameter circuit value measurement of high pressure and extra high voltage network is that program is more complicated and to technology requirement
Stronger work, and there is certain security risk.So for performing line parameter circuit value measurement work, it is necessary to need
The high-potting personnel participating in line parameter circuit value measurement are carried out technical training.Due to high pressure and ultra high-tension transmission line
Road has strict power off time to limit, so relatively difficult to on-site training, reasonable selection is in test
Room is simulated training.But in prior art, the most corresponding transmission line simulation is for high-potting people
Member carries out use during technical training.
Summary of the invention
For in prior art, owing to high pressure and extra high voltage network have strict power off time to limit, institute
Relatively difficult high-potting personnel are carried out technical training to scene, and the most corresponding in laboratory
Transmission line simulation carries out problem during technical training for high-potting personnel, and the present invention provides a kind of religion
Transmission line simulation and the method for transmission line simulation.This transmission line simulation and transmission line simulation
Method mainly measures the problem of training for solving line parameter circuit value, for high pressure and the line of extra high voltage network
Parameter measurement training and teaching in road uses.This transmission line simulation when training and teaching without high pressure, it is ensured that Xue Yuanan
Entirely, result of training is good.
For realizing above-mentioned technique effect, the present invention provides a kind of teaching transmission line simulation, this teaching mould
Intend transmission line of electricity to be made up of transmission line simulation and simulated line parameter measurement instrument；
Described transmission line simulation, for the transmission line simulation target component according to user setup, is transmitted electricity at it
The power of correspondence is carried on circuit；The transmission line of electricity target component that described transmission line simulation is simulated is only
The parameter can measured by described simulated line parameter measurement instrument, does not react actual on described transmission line of electricity
The power situation of conveying；
Described simulated line parameter measurement instrument is for building correct measurement between described transmission line simulation
Behind loop, measure the target component of described transmission line simulation.
Wherein, described mimic transmission line route parameter setting module, power output module and transmission line of electricity composition；
Described parameter setting module is used for receiving the target component of the described transmission line simulation of user setup, and
The analog parameter of correspondence is changed and generated to target component according to described transmission line simulation；Described analog parameter
React the power situation of actual fed on described transmission line of electricity；
Described power output module is for the analog parameter generated according to described parameter setting module, described
The power of correspondence is carried on transmission line of electricity；
Described transmission line of electricity is for carrying and transmit the power of described power output module output.
Wherein, described simulated line parameter measurement instrument is built module, parameters measurement module and parameter by loop
Reason module composition；
Module is built in loop, is used for providing various interface and circuit, builds described simulated line parameter for user
Measurement loop between measuring instrument and described transmission line of electricity；
Parameters measurement module, for building measurement loop that module built to described transmission of electricity by described loop
Circuit measures, it is thus achieved that react the analog parameter of its actual power；
Parameter processing module, changes for the analog parameter obtaining described parameters measurement module, generates
The target component of described transmission line simulation, and present to user.
Wherein, described target component is N times of described analog parameter, and N is positive integer.
Wherein, described target component include the positive sequence impedance of transmission line of electricity, zero sequence impedance, positive sequence electric capacity, zero
Sequence electric capacity, power output.
Corresponding, the embodiment of the present invention also provides for a kind of method of transmission line simulation, including；
Transmission line simulation is according to the transmission line simulation target component of user setup；
Correct measurement loop is built between simulated line parameter measurement instrument and described transmission line simulation；
The transmission line of electricity of transmission line simulation carries the power that described target component is corresponding；Described simulation is defeated
The transmission line of electricity target component that electric line is simulated is only and can be surveyed by described simulated line parameter measurement instrument
The parameter gone out, does not react the power situation of actual fed on described transmission line of electricity；
The target that simulated line parameter measurement instrument measures described transmission line simulation by described measurement loop is joined
Number.
Wherein, the power carrying described target component on the transmission line of electricity of transmission line simulation corresponding includes:
The analog parameter of correspondence is changed and generated to transmission line simulation according to described target component；Described simulation ginseng
Number reacts the power situation of actual fed on described transmission line of electricity；
Transmission line simulation, according to described analog parameter, carries the power of correspondence on described transmission line of electricity.
Wherein, described simulated line parameter measurement instrument measures described transmission line simulation by described measurement loop
Target component, including:
Described transmission line of electricity is measured by simulated line parameter measurement instrument by described measurement loop, it is thus achieved that anti-
Answer the analog parameter of described transmission line of electricity actual power；
Described analog parameter is changed by simulated line parameter measurement instrument, generates described transmission line simulation
Target component；
Simulated line parameter measurement instrument presents measurement result to user.
Wherein, described target component is N times of described analog parameter, and N is positive integer.
Wherein, described target component include the positive sequence impedance of transmission line of electricity, zero sequence impedance, positive sequence electric capacity, zero
Sequence electric capacity, power output.
The simulated power transmission line for teaching and method for simulating power transmission line that the present invention provides, is mainly used in high electricity
Pressure laboratory, simulation ultra-high-tension power transmission line carried out the positive sequence impedance of circuit, zero sequence impedance, positive sequence electric capacity,
The test of the projects such as zero sequence electric capacity.Different line parameter circuit values can be set at the trial at any time and set different lines
Road length.The most whole process is without High voltage output, safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The teaching transmission line simulation example structure schematic diagram that Fig. 1 provides for the present invention；
The teaching transmission line simulation wiring schematic diagram that Fig. 2 provides for the present invention；
The method first embodiment schematic flow sheet of the transmission line simulation that Fig. 3 provides for the present invention；
Method the second embodiment schematic flow sheet of the transmission line simulation that Fig. 4 provides for the present invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this
Bright it is described in further detail, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out all other embodiments obtained under creative work premise, broadly fall into the scope of protection of the invention.
The simulated power transmission line for teaching and method for simulating power transmission line that the present invention provides, is mainly used in high electricity
Pressure laboratory, simulation ultra-high-tension power transmission line carried out the positive sequence impedance of circuit, zero sequence impedance, positive sequence electric capacity,
The test of the projects such as zero sequence electric capacity.Different line parameter circuit values can be set at the trial at any time and set different lines
Road length.The most whole process is without High voltage output, safe and reliable.
See Fig. 1, the teaching transmission line simulation example structure schematic diagram provided for the present invention.Such as Fig. 1
Shown in, this teaching mimic transmission line route transmission line simulation 1 and simulated line parameter measurement instrument 2 form.
Described transmission line simulation 1 is for the transmission line simulation target component according to user setup, defeated at it
The power of correspondence is carried in electric line；The transmission line of electricity target component that described transmission line simulation 1 is simulated
It is only the parameter can measured by described simulated line parameter measurement instrument 2, does not react described transmission line of electricity
The power situation of upper actual fed.In the present embodiment, described transmission line simulation target component includes: positive sequence
The parameters such as impedance, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity, power delivery circuit length, power.
Described simulated line parameter measurement instrument 2 is for building correct survey between described transmission line simulation
Behind amount loop, measure the target component of described transmission line simulation.Described simulated line parameter measurement instrument 2 institute
The transmission line of electricity target component measured the most does not reacts the power situation of actual fed on described transmission line of electricity,
But present to the parameter that user sees.
More specifically, described transmission line simulation 1 is by parameter setting module 11, power output module 12 and
Transmission line of electricity 13 forms.
Described parameter setting module 11 is used for receiving the target component of the described transmission line simulation of user setup,
And the analog parameter of correspondence is changed and generates according to the target component of described transmission line simulation.Further,
Described target component is N times of described analog parameter, and N is positive integer.Such as, N is 10000, and user
The target transmission voltage (target component) of the described transmission line simulation arranged is 10k volt, then parameter is arranged
Corresponding simulation transmission voltage (analog parameter) that target component is changed and generated by module 11 is 1 volt.
Described power output module 12 is for the analog parameter generated according to described parameter setting module, in institute
State the power carrying correspondence on transmission line of electricity；Described analog parameter reacts actual fed on described transmission line of electricity
Power situation.If simulation transmission voltage (analog parameter) is 1 volt, then subsequent power output module 12 applies
Voltage on transmission line of electricity 13 is exactly 1 volt.
Described transmission line of electricity 13 is for carrying and transmit the power of described power output module 12 output.
More specifically, simulated line parameter measurement instrument 2 is built module 21, parameters measurement module 22 by loop
Form with parameter processing module 23.
Module 21 is built in loop, is used for providing various interface and circuit, builds described simulated line ginseng for user
Measurement loop between number measuring instrument 2 and described transmission line of electricity 13.Fig. 2 provides the wiring feelings of a kind of reality
Condition.
Parameters measurement module 22, for building measurement loop that module built to described defeated by described loop
Electric line 13 measures, it is thus achieved that react the analog parameter of its actual power.
Parameter processing module 23, changes for the analog parameter obtaining described parameters measurement module, raw
Become the target component of described transmission line simulation, and present to user.Parameter processing module 23 will simulation herein
Parameter Switch generates multiple N and transmission line simulation that target component uses 1 and target component is changed and generate
The multiple N of corresponding analog parameter consistent.Such as, if target component is changed by transmission line simulation 1 before
And the multiple N of the corresponding analog parameter generated is 10000, parameter processing module 23 is by analog parameter the most herein
Change and generate the multiple N of target component use also into 10000.If the power transmission line that parameters measurement module 22 obtains
It is 1 volt that transmission voltage (analog parameter) is simulated on road 13, then analog parameter is changed by parameter processing module 23
And the corresponding target transmission voltage (target component) generated is 10k volt.
The teaching transmission line simulation that the embodiment of the present invention provides, is mainly used in high voltage laboratory, simulation
Ultra-high-tension power transmission line is carried out the projects such as the positive sequence impedance of circuit, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity
Test.Different line parameter circuit values can be set at the trial at any time and set different line lengths.The most whole
Individual process is without High voltage output, safe and reliable.
See Fig. 3, for the method first embodiment schematic flow sheet of the transmission line simulation that the present invention provides；As
Shown in Fig. 3, the method for this transmission line simulation includes:
Step S101, transmission line simulation is according to the transmission line simulation target component of user setup.
Step S102, builds correct survey between simulated line parameter measurement instrument and described transmission line simulation
Amount loop.
Step S103, carries the merit that described target component is corresponding on the transmission line of electricity of described transmission line simulation
Rate；The transmission line of electricity target component that described transmission line simulation is simulated is only is joined by described simulated line
The parameter that number measuring instrument can be measured, does not react the power situation of actual fed on described transmission line of electricity.
Step S104, simulated line parameter measurement instrument measures described transmission line simulation by described measurement loop
Target component, and show measurement result.
The method of the transmission line simulation that the embodiment of the present invention provides, is mainly used in high voltage laboratory, simulation
Ultra-high-tension power transmission line is carried out the projects such as the positive sequence impedance of circuit, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity
Test.Different line parameter circuit values can be set at the trial at any time and set different line lengths.The most whole
Individual process is without High voltage output, safe and reliable.
See method the second embodiment schematic flow sheet of the transmission line simulation that Fig. 4 provides for the present invention.?
In the present embodiment, the step of this mimic transmission line path method be will be described in greater detail.This transmission line simulation
Method as shown in Figure 4, including:
Step S201, transmission line simulation is according to the transmission line simulation target component of user setup；Described simulation is defeated
Electric line target component is only the parameter can measured by described simulated line parameter measurement instrument 2, the most instead
Answer the power situation of actual fed on described transmission line of electricity.In the present embodiment, described transmission line simulation target
Parameter includes: positive sequence impedance, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity, power delivery circuit length, power
Etc. parameter.
Step S202, builds correct survey between simulated line parameter measurement instrument and described transmission line simulation
Amount loop.Fig. 2 provides the wiring condition of a kind of reality.
Step S203, the analog parameter of correspondence is changed and generated to transmission line simulation according to described target component；
Described analog parameter reacts the power situation of actual fed on described transmission line of electricity.Further, described target
Parameter is N times of described analog parameter, and N is positive integer.Such as, N is 10000, and the institute of user setup
The target transmission voltage (target component) stating transmission line simulation is 10k volt, then parameter setting module 11 will
Corresponding simulation transmission voltage (analog parameter) that target component is changed and generated is 1 volt.
Step S204, transmission line simulation is according to described analog parameter, and on described transmission line of electricity, conveying is corresponding
Power.Described analog parameter reacts the power situation of actual fed on described transmission line of electricity.If simulation transmission of electricity
Voltage (analog parameter) is 1 volt, and the follow-up voltage being applied on transmission line of electricity 13 is exactly 1 volt.
Step S205, described transmission line of electricity is surveyed by simulated line parameter measurement instrument by described measurement loop
Amount, it is thus achieved that react the analog parameter of described transmission line of electricity actual power.
Step S206, described analog parameter is changed by simulated line parameter measurement instrument, generates described simulation
The target component of transmission line of electricity.In this step, analog parameter conversion is generated the multiple N that target component uses
The multiple N of corresponding analog parameter target component changed with step 203 and generate is consistent.
Such as, if the multiple N of corresponding analog parameter target component changed in step 203 and generate is
10000, then analog parameter is changed by this step and generate the multiple N of target component use also into 10000.If
The simulation transmission voltage (analog parameter) recording transmission line of electricity in step S205 is 1 volt, then will in this step
The corresponding target transmission voltage (target component) that analog parameter is changed and generated is lied prostrate into 10k.
Step S207, simulated line parameter measurement instrument presents measurement result to user.
The method of the transmission line simulation that the embodiment of the present invention provides, is mainly used in high voltage laboratory, simulation
Ultra-high-tension power transmission line is carried out the projects such as the positive sequence impedance of circuit, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity
Test.Different line parameter circuit values can be set at the trial at any time and set different line lengths.The most whole
Individual process is without High voltage output, safe and reliable.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method,
Can be by computer program and complete to instruct relevant hardware, described program can be stored in a calculating
In machine read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.
Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory,
Or random store-memory body (Random Access Memory, RAM) etc. ROM).
Above content is to combine concrete preferred embodiment further description made for the present invention, no
Can assert the present invention be embodied as be confined to these explanations.Common for the technical field of the invention
For technical staff, without departing from the inventive concept of the premise, it is also possible to make some simple deductions or replace
Change, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a teaching transmission line simulation, it is characterised in that this teaching mimic transmission line route transmission line simulation and simulated line parameter measurement instrument composition；
Described transmission line simulation, for the transmission line simulation target component according to user setup, carries the power of correspondence on its transmission line of electricity；The transmission line of electricity target component that described transmission line simulation is simulated is only the parameter can measured by described simulated line parameter measurement instrument, does not react the power situation of actual fed on described transmission line of electricity；
Described simulated line parameter measurement instrument, after building correct measurement loop between described transmission line simulation, measures the target component of described transmission line simulation；
Wherein, described mimic transmission line route parameter setting module, power output module and transmission line of electricity composition；
Described parameter setting module is for receiving the target component of the described transmission line simulation of user setup, and changes and generate the analog parameter of correspondence according to the target component of described transmission line simulation；Described analog parameter reacts the power situation of actual fed on described transmission line of electricity；
Described power output module, for the analog parameter generated according to described parameter setting module, carries the power of correspondence on described transmission line of electricity；
Described transmission line of electricity is for carrying and transmit the power of described power output module output；
Wherein, described simulated line parameter measurement instrument is built module, parameters measurement module and parameter processing module by loop and is formed；
Module is built in loop, is used for providing various interface and circuit, builds the measurement loop between described simulated line parameter measurement instrument and described transmission line of electricity for user；
Parameters measurement module, measures described transmission line of electricity for building, by described loop, the measurement loop that module built, it is thus achieved that react the analog parameter of its actual power；
Parameter processing module, changes for the analog parameter obtaining described parameters measurement module, generates the target component of described transmission line simulation, and present to user.
2. teaching transmission line simulation as claimed in claim 1, it is characterised in that described target component is N times of described analog parameter, and N is positive integer.
3. the teaching transmission line simulation as described in claim 1 or 2, it is characterised in that described target component includes the positive sequence impedance of transmission line of electricity, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity, power output.
4. the method for a transmission line simulation, it is characterised in that include；
Transmission line simulation, according to the transmission line simulation target component of user setup, carries the power of correspondence on its transmission line of electricity；
Correct measurement loop is built between simulated line parameter measurement instrument and described transmission line simulation；
The transmission line of electricity of transmission line simulation carries the power that described target component is corresponding；The transmission line of electricity target component that described transmission line simulation is simulated is only the parameter can measured by described simulated line parameter measurement instrument, does not react the power situation of actual fed on described transmission line of electricity；
Simulated line parameter measurement instrument measures the target component of described transmission line simulation by described measurement loop；
Wherein, the power carrying described target component on the transmission line of electricity of transmission line simulation corresponding includes:
The analog parameter of correspondence is changed and generated to transmission line simulation according to described target component；Described analog parameter reacts the power situation of actual fed on described transmission line of electricity；
Transmission line simulation, according to described analog parameter, carries the power of correspondence on described transmission line of electricity；
Wherein, described simulated line parameter measurement instrument measures the target component of described transmission line simulation by described measurement loop, including:
Described transmission line of electricity is measured by simulated line parameter measurement instrument by described measurement loop, it is thus achieved that react the analog parameter of described transmission line of electricity actual power；
Described analog parameter is changed by simulated line parameter measurement instrument, generates the target component of described transmission line simulation；
Simulated line parameter measurement instrument presents measurement result to user.
5. the method for transmission line simulation as claimed in claim 4, it is characterised in that described target component is N times of described analog parameter, and N is positive integer.
6. the method for the transmission line simulation as described in claim 4 or 5, it is characterised in that described target component includes the positive sequence impedance of transmission line of electricity, zero sequence impedance, positive sequence electric capacity, zero sequence electric capacity, power output.
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| CN104407216A (en) * | 2014-10-24 | 2015-03-11 | 国网甘肃省电力公司天水供电公司 | Method for obtaining line parameters of power system |
| CN112614414A (en) * | 2020-12-24 | 2021-04-06 | 江苏卓茂智能科技有限公司 | Intelligent comprehensive wiring system |
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| CN102087802A (en) * | 2009-12-07 | 2011-06-08 | 苏州市华电电气技术有限公司 | Simulation direct current high voltage tester |
| CN202167170U (en) * | 2011-06-20 | 2012-03-14 | 山东电力研究院 | Movable mould experiment apparatus used for DC power transmission system dynamic characteristic research |
| CN102855795A (en) * | 2012-09-18 | 2013-01-02 | 武汉特试特科技股份有限公司 | Electrical test equipment simulation device |
| CN102914710B (en) * | 2012-10-11 | 2016-08-03 | 苏州华电电气股份有限公司 | High-capacity three-phase and single-phase relay protection vector analog systems |
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