CN109030971A - A kind of method that flexible direct current FT3 message template library is formed - Google Patents
A kind of method that flexible direct current FT3 message template library is formed Download PDFInfo
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- CN109030971A CN109030971A CN201810327395.4A CN201810327395A CN109030971A CN 109030971 A CN109030971 A CN 109030971A CN 201810327395 A CN201810327395 A CN 201810327395A CN 109030971 A CN109030971 A CN 109030971A
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- direct current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The present invention discloses a kind of method that flexible direct current FT3 message template library is formed, including obtains communications protocol, that is, channel map information between soft straight protection, and the software section of flexible direct current test macro provides standard FT3 template file.According to the channel map of soft straight protection FT3 communications protocol parameter informations such as manual modification channel number and progress voltage and current and switching value in template file, mapping, which finishes, can save as engineer application template file.Soft straight protection test macro loads engineer application file, can carry out order circuit to soft straight protective device and verify work.The present invention forms different flexible direct current protection producers and different flexible direct current converter station number FT3 message template libraries, supports artificial configuration message template library, provides technical support for later period soft straight converter station maintenance and upgrading.
Description
Technical field
The present invention relates to the dispatching of power netwoks communications field, in particular to a kind of side of flexible direct current FT3 message template library formation
Method.
Background technique
Currently, problem of environmental pollution has drastically influenced the health of people of the whole China.Energetically with Chinese Government
Environment control is promoted, with photovoltaic and wind-powered electricity generation energy clean energy resource increasingly by the favor of people.However, being restricted climatic environment
Etc. natural causes influence, wind-force and photovoltaic power generation and its unstable, this is grid-connected to its large area using totally unfavorable.And it is flexible
Direct current transportation can accurately control effective power flow by reactive power dynamic compensation, be that wind-force and photovoltaic power generation grid-connecting transmit
Using providing technical guarantee.
At home, it is flexible that the first in the world multiterminal have been built up in 2013 using Southern Power Grid Company as the power grid enterprises of representative
Direct current transportation demonstration project -- Nan'ao ± 160kV Multi-end flexible direct current transmission engineering.The most important link skill of flexible DC transmission
Art is the AC-DC conversion i.e. construction of converter station, and the control core of converter station is flexible direct current control protective unit.It is flexible straight
Flow protective device switching value station acquisition and protection exit there are two main classes composition, one is hard contact switch amount, the types
Type is consistent with AC input transformation station switching value type, and another kind is the digital message switching value using FT3 message as transmission medium, should
The switching value transmission speed of type is very fast, at AC input transformation station without related application.
Using hard contact or GOOSE trip signal to protective device carry out related relay protective scheme maintenance AC Substation
Through very widely used.And it is relevant to use the acquisition of FT3 message switch amount not have protective device progress interrelated logic maintenance also
Test equipment or technology.Up to now, the related maintenance verifying of domestic flexible DC transmission engineering mainly passes through the sections such as DianKeYuan
The laboratory simulations test for grinding unit is completed, and the test equipment of no associated portable completes the regular inspection tune of flexible direct current protective device
The work such as examination.It on the one hand is and the construction application of flexible DC transmission because number FT3 message is limited in AC Substation application
Also in the exploratory stage, relevant means of testing is also in the developmental research stage;On the other hand it is because of flexible direct current number FT3
Message protocol is still not perfect, and Receive message parsing has certain technical difficulty.
Summary of the invention
The main object of the present invention is a kind of method for proposing flexible direct current FT3 message template library and being formed, it is intended to overcome with
Upper problem.The present invention mainly trips outlet based on FT3 message by acquisition parsing to complete the protection of flexible direct current protective device and patrol
Volume, protection definite value closed loop test system, solve flexible direct current control protective unit can not converter station scene carry out relay protective scheme,
The problem of protecting definite value maintenance verification.
To achieve the above object, the method that a kind of flexible direct current FT3 message template library proposed by the present invention is formed, feature
It is, includes the following steps:
S10 is raw according to provided standard FT3 template file according to the channel map information between acquired soft straight protection
At the FT3 message of flexible direct current protective device;
The parameter information of S20 manual editing modification FT3 message;
S30 carries out voltage and current and the channel map of switching value forms engineer application FT3 message module library file;
The soft straight protection test macro of S40 loads engineer application FT3 message module library file;
S50 starts flexible direct current protection test macro operation;
S60 modifies on-off state or voltage and current signal;
S70 interconnect flexible direct current protection test macro;
If the success of interconnecting of S80 S70, test terminates;If unsuccessful, checking module library file, into S20.
Preferably, the flexible direct current protection test macro includes software section and hardware configuration, and software section is according to soft
Property direct current protecting overcurrent protection and the relay protective scheme of differential protection differential protection and mistake are realized using closed-loop dynamic control system
The closed loop test of protection is flowed, the closed loop test includes protection definite value, movement Outlet time and protection act logic, the guarantor
Different output valves is arranged according to different definite values for shield definite value, and closed loop test is realized in the outlet of hardware configuration back production protective device.
Preferably, the hardware configuration includes FT3 output board, to digital message FT3 DC voltage and current signal and
The output of on-off model.
Preferably, the hardware configuration voltage and current sampling output mode be ac analog current/voltage signal and
Digital message FT3 DC voltage and current signal mixing sampling output mode.
Preferably, the on-off model of the hardware configuration is digital message FT3 switching value and/or hard contact switch amount two
Kind mixed mode.
Preferably, the FT3 output board is the output of 14 road FT3 messages.
Preferably, the hardware configuration use sampling digital analogy integrated setting, can simultaneously simulation output FT3 message voltage
Current signal, the current and voltage signals of ac analog, digital message FT3 switching value and hard contact switch amount signal.
The present invention forms different flexible direct current protection producers and different flexible direct current converter station number FT3 message template libraries,
It supports artificial configuration message template library, provides technical support for later period soft straight converter station maintenance and upgrading;FT3 message module library
Formed, can analog DC combining unit be sent to the DC voltage and current signal of flexible direct current protective device, before getting rid of
The status of flexible direct current protective device spot sampling precision checking heavy dependence direct-current strong current generator, protects flexible direct current
The work of device sampling precision field-checking becomes more safe and efficient;The formation in FT3 message module library, makes the flexible direct current change of current
The detection parsing of FT3 message is communicated between various protection equipment of standing to be possibly realized, and facilitates flexible direct current protective device, direct current merges
Interconnect between unit and valve control device failure when problem quick positioning.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the method flow diagram for one embodiment of method that a kind of flexible direct current FT3 template library of the present invention is formed,
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
As shown in Figure 1, the method that a kind of flexible direct current FT3 message template library proposed by the present invention is formed, which is characterized in that
Include the following steps:
S10 is raw according to provided standard FT3 template file according to the channel map information between acquired soft straight protection
At the FT3 message of flexible direct current protective device;
The parameter information of S20 manual editing modification FT3 message;
S30 carries out voltage and current and the channel map of switching value forms engineer application FT3 message module library file;
The soft straight protection test macro of S40 loads engineer application FT3 message module library file;
S50 starts flexible direct current protection test macro operation;
S60 modifies on-off state or voltage and current signal;
S70 interconnect flexible direct current protection test macro;
If the success of interconnecting of S80 S70, test terminates;If unsuccessful, checking module library file, into S20.
Preferably, the flexible direct current protection test macro includes software section and hardware configuration, and software section is according to soft
Property direct current protecting overcurrent protection and the relay protective scheme of differential protection differential protection and mistake are realized using closed-loop dynamic control system
The closed loop test of protection is flowed, the closed loop test includes protection definite value, movement Outlet time and protection act logic, the guarantor
Different output valves is arranged according to different definite values for shield definite value, and closed loop test is realized in the outlet of hardware configuration back production protective device.
Preferably, the hardware configuration includes FT3 output board, to digital message FT3 DC voltage and current signal and
The output of on-off model.
Preferably, the hardware configuration voltage and current sampling output mode be ac analog current/voltage signal and
Digital message FT3 DC voltage and current signal mixing sampling output mode.
Preferably, the on-off model of the hardware configuration is digital message FT3 switching value and/or hard contact switch amount two
Kind mixed mode.
Preferably, the FT3 output board is the output of 14 road FT3 messages.
Preferably, the hardware configuration use sampling digital analogy integrated setting, can simultaneously simulation output FT3 message voltage
Current signal, the current and voltage signals of ac analog, digital message FT3 switching value and hard contact switch amount signal.
Communications protocol i.e. channel map information between soft straight protection is obtained, the software section of flexible direct current test macro provides
Standard FT3 template file.According to soft straight protection FT3 communications protocol parameter informations such as manual modification channel number in template file
With the channel map for carrying out voltage and current and switching value, mapping, which finishes, can save as engineer application template file.Soft straight protection
Test macro loads engineer application file, can carry out order circuit to soft straight protective device and verify work.
Flexible direct current protection test macro based on field application is made of hardware components and software section.Hardware components master
It to be exported by power insert, of ac simulation output mouth (alternating voltage output inserter, alternating current output inserter), FT3 message
The composition such as plug-in unit, digital output modul plug-in unit (hard contact intake, the amount of outputing), power insert are supplied using the 220V alternating current of 50HZ
Electricity;Alternating voltage output inserter can export 6 road ac voltage signals simultaneously, and every road voltage output signal is that 1 pair of red and black is defeated
Out terminal group at;Alternating current output inserter can export 6 road ac current signals simultaneously, and every road current output signal is 1
Red-black output terminal is formed;FT3 message output inserter can export 14 tunnels simultaneously and hand over FT3 message, a 14 tunnel light output mouths point left side
You Liang Column Layout, left side are 8 tunnels, and right side is 6 tunnels, and every road FT3 message output signal is made of two ST optical fiber output mouths, suitable for reading
FT3 message delivery outlet is represented, lower mouth represents FT3 message signals receiving port;Digital output modul plug-in unit is opened by 8 tunnel intakes and 8 tunnels
Output composition, every way switch amount have red-black two terminals to constitute a circuit.
Software section mainly by Manual test module, status switch module, overcurrent protection module, differential protection module and
FT3 database composition.Manual test, status switch mainly realize voltage, the current signal of ac analog and number FT3 signal
And the dynamic control of hard contact and the on-off model of number FT3;Overcurrent protection module, differential protection module are soft straight by importing
Protection setting definite value parameter, carries out calculation of fault automatically, controls voltage, current signal and on-off model according to calculated result
Dynamic change simulates related protection failure;FT3 database is by collecting different soft straight protection producers and flexible direct current converter station
Communications protocol works out FT3 data template, forms the data library of response, mentions for subsequent flexible direct current converter station timing maintenance
For means of testing.
The present invention forms different flexible direct current protection producers and different flexible direct current converter station number FT3 message template libraries,
It supports artificial configuration message template library, provides technical support for later period soft straight converter station maintenance and upgrading;FT3 message module library
Formed, can analog DC combining unit be sent to the DC voltage and current signal of flexible direct current protective device, before getting rid of
The status of flexible direct current protective device spot sampling precision checking heavy dependence direct-current strong current generator, protects flexible direct current
The work of device sampling precision field-checking becomes more safe and efficient;The formation in FT3 message module library, makes the flexible direct current change of current
The detection parsing of FT3 message is communicated between various protection equipment of standing to be possibly realized, and facilitates flexible direct current protective device, direct current merges
Interconnect between unit and valve control device failure when problem quick positioning.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (7)
1. a kind of method that flexible direct current FT3 message template library is formed, which comprises the steps of:
S10 is generated soft according to the channel map information between acquired soft straight protection according to provided standard FT3 template file
The FT3 message of property direct current protecting device;
The parameter information of S20 manual editing modification FT3 message;
S30 carries out voltage and current and the channel map of switching value forms engineer application FT3 message module library file;
The soft straight protection test macro of S40 loads engineer application FT3 message module library file;
S50 starts flexible direct current protection test macro operation;
S60 modifies on-off state or voltage and current signal;
S70 interconnect flexible direct current protection test macro;
If the success of interconnecting of S80 S70, test terminates;If unsuccessful, checking module library file, into S20.
2. the method that flexible direct current FT3 message template library as described in claim 1 is formed, which is characterized in that described flexible straight
Stream protection test macro includes software section and hardware configuration, overcurrent protection that software section is protected according to flexible direct current and differential
The relay protective scheme of protection realizes the closed loop test of differential protection and overcurrent protection, the closed loop using closed-loop dynamic control system
Test includes protection definite value, acts Outlet time and protection act logic, described that definite value is protected to be arranged not according to different definite values
Realize closed loop test in the outlet of same output valve, hardware configuration back production protective device.
3. the method that flexible direct current FT3 message template library as claimed in claim 2 is formed, which is characterized in that the hardware knot
Structure includes FT3 output board, the output to digital message FT3 DC voltage and current signal and on-off model.
4. the method that flexible direct current FT3 message template library as claimed in claim 2 is formed, which is characterized in that the hardware knot
The voltage and current sampling output mode of structure is ac analog current/voltage signal and digital message FT3 DC voltage and current letter
Number mixing sampling output mode.
5. the method that flexible direct current FT3 message template library as claimed in claim 2 is formed, which is characterized in that the hardware knot
The on-off model of structure is two kinds of mixed modes of digital message FT3 switching value and/or hard contact switch amount.
6. the method that flexible direct current FT3 message template library as claimed in claim 3 is formed, which is characterized in that the FT3 output
The output of 14 road FT3 message of Ban Wei.
7. the method that flexible direct current FT3 message template library as claimed in claim 2 is formed, which is characterized in that the hardware knot
Structure use sampling digital analogy integrated setting, can simultaneously simulation output FT3 message voltage and current signal, ac analog electric current
The signal of voltage signal, digital message FT3 switching value and hard contact switch amount.
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Cited By (3)
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CN110932243A (en) * | 2019-11-22 | 2020-03-27 | 广东电网有限责任公司 | Double-end power supply line protection self-adaption method and system |
CN111458586A (en) * | 2020-04-16 | 2020-07-28 | 国网湖南省电力有限公司 | Batch synchronous detection method and system for multi-interval in-situ line protection device of intelligent substation |
CN111458587A (en) * | 2020-04-16 | 2020-07-28 | 国网湖南省电力有限公司 | In-situ circuit protection double-set configuration same frequency automatic detection method and test device thereof |
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