CN105044530B - Intelligent substation bus protection test method based on DM5000E - Google Patents
Intelligent substation bus protection test method based on DM5000E Download PDFInfo
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Abstract
The invention belongs to power system automation technology field, a kind of intelligent substation bus protection test method based on DM5000E.SV and GOOSE are configured using DM5000E, 1 group or multigroup sampling value message are exported by 1 optical port, another optical port is used for receiving the GOOSE message that protective device is sent out, and realizes the closed loop test of 220kV bus protections；Whole station SCD file is imported in DM5000E hand-held relay protection instrument; relevant parameter setting in CT, PT no-load voltage ratio in protective device and DM5000E is identical; postpone without replacing optical fiber matching for all branch SV, GOOSE, you can be successively performed the functionally and logically test of 220kV busbar protective devices.Wiring is simple, is not required to thread-changing, is not required to the optical port information of inquiry different branch SV and GOOSE, and light-receiving mouth does not limit, and test event can be completed by changing configuration, improve working efficiency, simplify testing process.
Description
Technical field
The invention belongs to power system automation technology field, a kind of intelligent substation bus protection based on DM5000E
Test method.
Background technology
With the application of 61850 standards of IEC and the rapid development of intelligent substation the relevant technologies, intelligent protection dress
The application set gradually is popularized, and the test equipment and method of intelligent protection device are also more and more concerned by people, and are
Meet the test needs of intelligent protection device, current each mainstream relay protection instrument manufacturer has been developed for various specifications and sample
The digital relay protection instrument of formula, due to digital relay protection instrument output be 61850 9-2 formats standard message, reality need not be exported
Analog quantity, therefore do not limited by output power, volume can also greatly reduce, many producers also have developed hand-held after
Electric protection tester, flexibility greatly enhance,
And hand-held relay protection instrument is less since optical port configures（Generally 2-3 optical port）Although easy to operate, for
There are some limited resources and inconvenient place for the debugging of bus protection, such as when progress bus protection test, due to protection
Different optical ports corresponds to different combining units on device SV sampling boards, and commissioning staff needs compares figure when carrying out sampled value test
Paper finds out the corresponding combining unit of each optical port, after corresponding straight daylighting fibre is pulled up, could utilize relay protection instrument that SV messages are added,
Otherwise, protective device, which will be judged to the SV messages that combining unit APPID conflicts cause relay protection instrument to send out, can not be added to protection dress
In setting, when progress 220kV bus protections test dosage verifies each branch sampling, needs to repeat operation above, can only add every time
Enter one group of sampled value, for the more bus protection of 220kV branches, needs thread-changing repeatedly, plug optical fiber, searches drawing, increase
Many cumbersome workloads undoubtedly reduce the efficiency of protection monomer test in this way；In addition bus protection ratiometric is being carried out
Dynamic coefficient test and when to mother and branch CT polarity tests, needs that three groups of current values are added simultaneously, and hand-held relay protection instrument
It is general only to configure 2 to 3 optical ports so that the use of hand-held relay protection instrument is restricted.
Invention content
Existing above-mentioned technical problem, the present invention provide one kind and are based on when to solve to carry out intelligent bus protecting debugging
The intelligent substation bus protection test method of DM5000E, this method can effectively solve intelligent substation 220kV bus protections
The problem that test method is cumbersome, optical port is limited.Purpose is the test method and flow of simplified intelligent protective device, improves debugging
The working efficiency of intelligent protection device.
The present invention is achieved through the following technical solutions goal of the invention：
Intelligent substation bus protection test method based on DM5000E, matches SV and GOOSE using DM5000E
It sets, 1 group or multigroup sampling value message is exported by 1 optical port, another optical port is used for receiving the GOOSE reports that protective device is sent out
Text realizes the closed loop test of 220kV bus protections；I.e.：Whole station SCD file is imported in DM5000E hand-held relay protection instrument, will be protected
Relevant parameter setting is identical in CT, PT no-load voltage ratio and DM5000E in protection unit, carries out being not necessarily to postponing for all branch SV, GOOSE
Replace optical fiber, you can be successively performed the functionally and logically test of 220kV busbar protective devices.
The functionally and logically test, including the test of each branch sampled value, the verification of size difference ratio brake coefficient, mother
With each branch CT polarity tests.
Described imports whole station SCD file in DM5000E hand-held relay protection instrument, is by all branch combining units（MU）
Configuration be added to SV and send in file, the GOOSE information that sends out of addition protective device, it is optical port 1 to define SV and send optical port,
It is optical port 2 that GOOSE, which receives optical port, and all protective device SV, which are sampled the straight daylighting fibre on board, to be pulled out, and light is connected by optical fiber
Mouth 1 receives optical port with any SV of protective device, and optical port 2 and any GOOSE transmissions optical port of protective device are connected by optical fiber, will not
SV with branch is mapped on same group or the different electric currents organized, and will accordingly be joined in CT, PT no-load voltage ratio in protective device and DM5000E
Number setting is identical, postpone without replacing optical fiber matching for all branch SV, GOOSE, you can be successively performed 220kV bus protections
The functionally and logically test of device.
The concrete operation step of the test method is as follows：
1）Whole station SCD file is imported in DM5000E hand-held relay protection instrument, by CT, PT no-load voltage ratio in protective device and
Relevant parameter setting is identical in DM5000E, carries out the configuration of all branch SV, GOOSE；
2）When carrying out sampled value test, the SV messages output optical port of all branches is defined as optical port 1, protective device SV is adopted
All straight daylighting fibres of SV pull out on sample card, and optical port 1 and SV the sampling board on DM5000E are taken up an official post an optical port using optical fiber
It is connected, all branch currents and double-bus voltage is all mapped to first group of electric current IA1, IB1, IC1 and UA1, UB1, UC1
On, in the way of optical fiber parallel communication, multigroup SV messages can be transmitted by an optical fiber, pass through some reception optical port
SV messages are added, all electric currents, voltage sample value are identical at this time, are same group of dosage numerical value, can be completed by a dosage
All branch sampled value tests；
3）Mother and each branch CT polarity tests are being carried out, optional mother's I branch, mother's II branch and mother are needed
The angle for the location determination electric current for joining branch, while the electric current of these three branches being added, and occurred according to failure, according to big
The calculated value of poor, small spill current determines that the polarity of mother is identical with mother's I holding or identical with mother's II holding, at this time, it may be necessary to
The sampled value of different combining units is mapped in SV settings, the electric current of three branches is mapped as I1, I2, I3 respectively；
Wherein I1 is mother's I branch current, and I2 is mother's II branch current, and I3 is mother electric current, by changing I1, I2, the phase of I3 electric currents
Can four type of analog bus failure：(1) mother's I troubles inside the sample space,（2）Mother's II troubles inside the sample space,（3）Mother's I external area error,（4）
Mother's II external area error, to verify protective device for mother and the polar requirement of each branch current；
4）When carrying out big poor ratio brake coefficient verification, optional mother's I branch, mother's II branch are added simultaneously
The electric current of the two branches, at this point, being mapped the sampled value of different combining units in SV settings, by the two branches
Electric current is mapped as I1 and I2, and the straight daylighting fibre that protective device is sampled to branch MU on board pulls out, while electric current is added, and two
Side size of current is equal, and angle differs 180 degree, increases side electric current until protection act, is shown on device when passing through protection act
The Id (difference stream) shown, Ir (interflow) value calculates big poor ratiometric coefficient；
The electric current of two branches is mapped as I1 and I2, and both sides size of current is equal, and angle differs 180 degree, increases side electricity
Stream is until protection act, by Id (difference flows), Ir (interflow) to calculate Id (difference flows)=| I1|-|I2|, Ir (interflow)=|
I1|+|I2|, by Id (difference flows), Ir (interflow), calculating ratio COEFFICIENT K=Id/ (Ir-Id) is surveyed using ratiometric coefficient
Value is compared with definite value inside protective device, you can whether the big poor ratio brake coefficient definite value of verification is accurate；
5）When carrying out small poor ratio brake coefficient verification, two branches of optional same busbar are needed, while this is added
The electric current of two branches, at this point, being mapped the sampled value of different combining units in SV settings, by the electricity of the two branches
Stream is mapped as I1 and I2, and the straight daylighting fibre that protective device is sampled to branch MU on board pulls out, while electric current is added, described
The electric current of the two branches maps I1 and I2, and both sides size of current is equal, and angle differs 180 degree, increases side electric current until protecting
Shield acts, and the Id (difference stream) shown on device when passing through protection act, Ir (interflow) value calculates small poor ratiometric coefficient.It calculates
Ratiometric COEFFICIENT K=Id/ (Ir-Id) is compared using ratiometric coefficient measured value with definite value inside protective device, you can test
Whether accurate demonstrate,prove small poor ratio brake coefficient definite value；
The DM5000E optical ports 2 and any GOOSE of protective device is connected by optical fiber and sends optical port, when protective device acts
DM5000E receives GOOSE message, and the time of the outlets record GOOSE, DM5000E stops continuing dosage or is switched to other shapes
State realizes the closed loop test of protective device.
It is described when carrying out big poor ratio brake coefficient verification, verified using DM5000E, optional mother's I branch, one
The SV messages output of the two branches is configured to optical port 1, the tripping report of protective device is received using optical port 2 by a mother's II branch
Text configures SV, GOOSE of the two branches using DM5000E, to the sampled value of different combining units in SV settings
It is mapped, the electric current of the two branches is mapped as I1 and I2, by the straight daylighting fibre of the branch from the sampling plate of protective device
It pulls out, the optical port 1 of DM5000E is connect with the sampling any optical port of board, by optical port 2 and protective device GOOSE output lights on card
Mouth connection, while equal in magnitude, the opposite both sides electric current in direction is added, increase a certain electric current until protection act, record is at this time
Electric current I1 and I2, to calculate Id (difference stream)=| I1|-|I2|, Ir (interflow)=| I1|+|I2| passes through Id (difference stream), Ir
(interflow) calculating ratio COEFFICIENT K=Id/ (Ir-Id) is carried out using definite value inside ratio brake coefficient measured value and protective device
It compares, you can whether verification ratio brake coefficient definite value is accurate.
The mother and each branch CT polarity tests, are carried out using DM5000E, need optional mother's I branch, an II
Female branch and mother branch respectively configure the SV of these three branches using DM5000E, to difference in SV settings
The sampled value of combining unit is mapped, and the electric current of three branches is mapped as I1, I2, I3 respectively, and wherein I1 is mother's I branch electricity
Stream, I2 be mother's II branch current, I3 be mother branch current, using DM5000E simulate 4 types failure come judge mother and
Each branch CT polarity；(1) mother's I troubles inside the sample space,（2）Mother's II troubles inside the sample space,（3）Mother's I external area error,（4）Mother's II external area error is protected
Protection unit is divided into two kinds of situations for the polar requirement of mother, the first situation is mother polarity then I identical as mother's I branch holding
All mother's I branch currents close in female small difference, and mother electric current closes, and all mother's II branch currents close in the female small differences of II, mother
It is poor that electric current is made, and the second situation is that all mother's I branch currents are made in the female small differences of mother polarity then I identical as mother's II branch holding
It closes, it is poor that mother electric current is made, and all mother's II branch currents close in the female small differences of II, and mother electric current closes, if the first situation, profit
When simulating mother's I troubles inside the sample space with DM5000E, I1, I2, I3 size of current are equal, and phase is identical, and big spill current and mother I are small at this time
Spill current is 2 times of fault currents, and the female small spill currents of II are the action of zero, I mother's differential protections；When simulating mother's II troubles inside the sample space, I1,
I2, I3 size of current are equal, and I1, I2 phase are identical, I3 opposite in phase, and big spill current and the female small spill currents of II are 2 times of events at this time
Hinder electric current, the female small spill currents of I are the action of zero, II mother's differential protections；When simulating mother's I external area error, I1, I2, I3 size of current phase
Deng I2, I3 phases are identical, I1 opposite in phase, and big spill current and small spill current are all zero at this time, and differential protection is failure to actuate；Simulation
When mother's II external area error, I1, I2, I3 size of current are equal, I2, and I3 phases are identical, I1 opposite in phase, at this time big spill current and small
Spill current is all zero, and differential protection is failure to actuate；If the second situation, then the calculating of mother electric current is exactly the opposite, by this four
The simulation of kind failure, you can verification protective device is for mother and the polar requirement of each branch current.
The GOOSE sends optical port, and same optical port can at most map three groups of electric currents.
Advantages of the present invention and advantageous effect are：
The present invention proposes a kind of test method carrying out intelligent substation 220kV busbar protective devices using DM5000E,
The SV and GOOSE message of all branches of 220kV bus protections are configured, exported simultaneously using an optical port one or more groups of
SV sampling value messages, another optical port receive everything GOOSE message, and wiring is simple, is not required to thread-changing, is not required to inquire different branch
The optical port information of road SV and GOOSE will not be limited by optical port when bus protection debugging, can be complete by changing configuration
At test events such as the test of each branch sampled value, the verification of size difference ratio brake coefficient, mother and each branch CT polarity tests, carry
The high working efficiency of debugging intelligent protection device, simplifies testing process.
The present invention is described in detail in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is intelligent substation bus protection debugging test wiring diagram；
Fig. 2 is intelligent substation bus-bar fault figure.
Specific implementation mode
The present invention provides a kind of intelligent substation bus protection test method based on DM5000E, using DM5000E to SV
It is configured with GOOSE, 1 group or multigroup sampling value message can be exported by 1 optical port, another optical port is used for receiving protection
The GOOSE message that device is sent out realizes the closed loop test of 220kV bus protections.
The present invention is to import whole station SCD file in DM5000E hand-held relay protection instrument, by CT, PT no-load voltage ratio in protective device
It is identical with relevant parameter setting in DM5000E, postpone without replacing optical fiber matching for all branch SV, GOOSE, you can in succession
Complete the functionally and logically test of 220kV busbar protective devices, including the test of each branch sampled value, size difference ratio brake coefficient
Verification, mother and each branch CT polarity tests.
Specific method is：Whole station SCD file is imported in DM5000E hand-held relay protection instrument, by all branch combining units
（MU）Configuration be added to SV and send in file, the GOOSE information that sends out of addition protective device, it is optical port to define SV and send optical port
1, GOOSE receives optical port as optical port 2, and all protective device SV are sampled the straight daylighting fibre on board and are pulled out, are connected by optical fiber
Optical port 1 receives optical port with any SV of protective device, and connecting the optical port 2 and any GOOSE of protective device by optical fiber sends optical port, such as
Shown in Fig. 1, the SV of different branch is mapped on same group or the different electric currents organized（Same optical port can at most map three groups of electricity
Stream）, relevant parameter setting in CT, PT no-load voltage ratio in protective device and DM5000E is identical, carry out matching for all branch SV, GOOSE
It postpones nothing and needs to change optical fiber, you can be successively performed the functionally and logically test of 220kV busbar protective devices, including the sampling of each branch
Value test, the verification of size difference ratio brake coefficient, mother and each branch CT polarity tests.
Concrete operation step of the present invention is as follows：
1）Whole station SCD file is imported in DM5000E hand-held relay protection instrument, by CT, PT no-load voltage ratio in protective device and
Relevant parameter setting is identical in DM5000E, carries out the configuration of all branch SV, GOOSE.
2）When carrying out sampled value test, the SV messages output optical port of all branches is defined as optical port 1, protective device SV is adopted
All straight daylighting fibres of SV pull out on sample card, and optical port 1 and SV the sampling board on DM5000E are taken up an official post an optical port using optical fiber
It is connected, all branch currents and double-bus voltage is all mapped to first group of electric current IA1, IB1, IC1 and UA1, UB1, UC1
On, in the way of optical fiber parallel communication, multigroup SV messages can be transmitted by an optical fiber, pass through some reception optical port
SV messages are added, all electric currents, voltage sample value are identical at this time, are same group of dosage numerical value, can be completed by a dosage
All branch sampled value tests.
3）Mother and each branch CT polarity tests are being carried out, optional mother's I branch, mother's II branch and mother are needed
The angle for the location determination electric current for joining branch, while the electric current of these three branches being added, and occurred according to failure, according to big
The calculated value of poor, small spill current determines that the polarity of mother is identical with mother's I holding or identical with mother's II holding, at this time, it may be necessary to
The sampled value of different combining units is mapped in SV settings, the electric current of three branches is mapped as I1, I2, I3 respectively.
Wherein I1 is mother's I branch current, and I2 is mother's II branch current, and I3 is mother electric current, by changing I1, I2, the phase of I3 electric currents
Can four type of analog bus failure：(1) mother's I troubles inside the sample space,（2）Mother's II troubles inside the sample space,（3）Mother's I external area error,（4）
Mother's II external area error, as shown in Fig. 2, to verify protective device for mother and the polar requirement of each branch current.
4）When carrying out big poor ratio brake coefficient verification, optional mother's I branch, mother's II branch are needed, simultaneously
The electric current of the two branches is added, at this point, being mapped the sampled value of different combining units in SV settings, the two are propped up
The electric current on road is mapped as I1 and I2, and the straight daylighting fibre that protective device is sampled to branch MU on board pulls out, while electricity is added
Stream, both sides size of current is equal, and angle differs 180 degree, increases side electric current until protection act, device when passing through protection act
The Id (difference stream) of upper display, Ir (interflow) value calculates big poor ratiometric coefficient.
The electric current of two branches is mapped as I1 and I2, and both sides size of current is equal, and angle differs 180 degree, increases side electricity
Stream is until protection act, by Id (difference flows), Ir (interflow) to calculate Id (difference flows)=| I1|-|I2|, Ir (interflow)=|
I1|+|I2|, by Id (difference flows), Ir (interflow), calculating ratio COEFFICIENT K=Id/ (Ir-Id) is surveyed using ratiometric coefficient
Value is compared with definite value inside protective device, you can whether the big poor ratio brake coefficient definite value of verification is accurate.
5）When carrying out small poor ratio brake coefficient verification, two branches of optional same busbar are needed, while this is added
The electric current of two branches, at this point, being mapped the sampled value of different combining units in SV settings, by the electricity of the two branches
Stream is mapped as I1 and I2, and the straight daylighting fibre that protective device is sampled to branch MU on board pulls out, while electric current is added, described
The electric current of the two branches maps I1 and I2, and both sides size of current is equal, and angle differs 180 degree, increases side electric current until protecting
Shield acts, and the Id (difference stream) shown on device when passing through protection act, Ir (interflow) value calculates small poor ratiometric coefficient.It calculates
Ratiometric COEFFICIENT K=Id/ (Ir-Id) is compared using ratiometric coefficient measured value with definite value inside protective device, you can test
Whether accurate demonstrate,prove small poor ratio brake coefficient definite value.
The DM5000E optical ports 2 and any GOOSE of protective device is connected by optical fiber and sends optical port, when protective device acts
DM5000E receives GOOSE message, and the time of the outlets record GOOSE, DM5000E stops continuing dosage or is switched to other shapes
State realizes the closed loop test of protective device.
Embodiment 1：
As shown in Figure 1, Fig. 1 is intelligent substation bus protection debugging test wiring diagram.Big poor ratio is verified using DM5000E
When rate restraint coefficient, the SV messages output of the two branches is configured to optical port by optional mother's I branch, mother's II branch
1, the tripping message of protective device is received using optical port 2, SV, GOOSE of the two branches are configured using DM5000E,
The sampled value of different combining units is mapped in SV settings, the electric current of the two branches is mapped as I1 and I2, by this
The straight daylighting fibre of branch is pulled out from the sampling board of protective device, and the optical port 1 of DM5000E and any optical port of sampling board are connected
It connects, optical port 2 is connect, while equal in magnitude, the opposite both sides electric current in direction is added with protective device GOOSE outputs optical port, increased
Add a certain electric current until protection act, record electric current I1 and I2 at this time, to calculate Id (difference stream)=| I1|-|I2|, Ir (are closed
Stream)=| I1|+|I2|, by Id (difference flows), Ir (interflow) calculating ratio COEFFICIENT K=Id/ (Ir-Id) utilizes ratio brake system
Number measured value is compared with definite value inside protective device, you can whether verification ratio brake coefficient definite value is accurate.
Embodiment 2：
As shown in Fig. 2, Fig. 2 is intelligent substation bus-bar fault figure.Mother and each branch CT polarity are carried out using DM5000E
When test, optional mother's I branch, mother's II branch and mother branch are needed, these three are propped up respectively using DM5000E
The SV on road is configured, and is mapped the sampled value of different combining units in SV settings, respectively by the electric current of three branches
It is mapped as I1, I2, I3, wherein I1 is mother's I branch current, and I2 is mother's II branch current, and I3 is mother branch current, is utilized
DM5000E simulates the failure of 4 types to judge mother and each branch CT polarity.(1) mother's I troubles inside the sample space,（2）Event in mother II area
Barrier,（3）Mother's I external area error,（4）Mother's II external area error, as shown in Fig. 2, protective device is divided into two for the polar requirement of mother
Kind situation, the first situation is that mother polarity is identical as mother's I branch holding, and all mother's I branch currents close in the female small differences of I, female
Connection electric current closes, and all mother's II branch currents close in the female small differences of II, and mother electric current work is poor, the second situation be mother polarity and
Mother's II branch keeps identical, and all mother's I branch currents close in the female small differences of I, and it is poor that mother electric current is made, all II in the female small differences of II
Female branch current closes, and mother electric current closes, if the first situation, when simulating mother's I troubles inside the sample space using DM5000E, I1,
I2, I3 size of current are equal, and phase is identical, and big spill current and the female small spill currents of I are 2 times of fault currents, the female small difference electricity of II at this time
Stream is the action of zero, I mother's differential protections；When simulating mother's II troubles inside the sample space, I1, I2, I3 size of current are equal, and I1, I2 phase are identical,
I3 opposite in phase, big spill current and the female small spill currents of II are 2 times of fault currents at this time, and the female small spill currents of I are the female differential guarantors of zero, II
Shield acts；When simulating mother's I external area error, I1, I2, I3 size of current are equal, I2, and I3 phases are identical, I1 opposite in phase, at this time greatly
Spill current and small spill current are all zero, and differential protection is failure to actuate；When simulating mother's II external area error, I1, I2, I3 size of current phase
Deng I2, I3 phases are identical, I1 opposite in phase, and big spill current and small spill current are all zero at this time, and differential protection is failure to actuate.If
The second situation, then the calculating of mother electric current is exactly the opposite, passes through the simulation of these four failures, you can verification protective device for
Mother and the polar requirement of each branch current.
Claims (4)
1. the intelligent substation bus protection test method based on DM5000E, is matched to SV and GOOSE using DM5000E
It sets, 1 group or multigroup sampling value message is exported by 1 optical port, another optical port is used for receiving the GOOSE reports that protective device is sent out
Text realizes the closed loop test of 220kV bus protections；I.e.：Whole station SCD file is imported in DM5000E hand-held relay protection instrument, will be protected
Relevant parameter setting is identical in CT, PT no-load voltage ratio and DM5000E in protection unit, carries out being not necessarily to postponing for all branch SV, GOOSE
Replace optical fiber, you can be successively performed the functionally and logically test of 220kV busbar protective devices；Functionally and logically test includes each
Road sampled value test, the verification of size difference ratio brake coefficient, mother and each branch CT polarity tests；It is characterized in that：
The concrete operation step of test method is as follows：
1）Whole station SCD file is imported in DM5000E hand-held relay protection instrument, it will be in CT, PT no-load voltage ratio and DM5000E in protective device
Relevant parameter setting is identical, carries out the configuration of all branch SV, GOOSE；
2）When carrying out sampled value test, the SV messages output optical port of all branches is defined as optical port 1, protective device SV sampling plates
All straight daylighting fibres of SV pull out on card, and the optical port 1 and SV sampling boards on DM5000E are taken up an official post an optical port phase using optical fiber
Even, all branch currents and double-bus voltage are all mapped to first group of electric current IA1, IB1, IC1 and UA1, on UB1, UC1,
In the way of optical fiber parallel communication, multigroup SV messages can be transmitted by an optical fiber, added by some reception optical port
Enter SV messages, all electric currents, voltage sample value are identical at this time, are same group of dosage numerical value, institute can be completed by a dosage
There is the test of branch sampled value；
3）Mother and each branch CT polarity tests are being carried out, optional mother's I branch, mother's II branch and mother branch are needed
Road, while the angle for the location determination electric current that the electric current of these three branches is added, and is occurred according to failure, according to big poor, small
The calculated value of spill current determines that the polarity of mother is identical with mother's I holding or identical with mother's II holding, at this time, it may be necessary to be set in SV
The sampled value of different combining units is mapped in setting, the electric current of three branches is mapped as I1, I2, I3 respectively；Wherein I1
For mother's I branch current, I2 is mother's II branch current, and I3 is mother electric current, and by changing I1, the phase of I2, I3 electric currents can moulds
The failure of four type of quasi- busbar：(1) mother's I troubles inside the sample space,（2）Mother's II troubles inside the sample space,（3）Mother's I external area error,（4）Mother II area
Outer failure, to verify protective device for mother and the polar requirement of each branch current；
4）When carrying out big poor ratio brake coefficient verification, optional mother's I branch, mother's II branch, while be added this two
The electric current of a branch, at this point, being mapped the sampled value of different combining units in SV settings, by the electric current of the two branches
It is mapped as I1 and I2, the straight daylighting fibre that protective device is sampled to branch MU on board pulls out, while electric current is added, both sides electricity
Flow it is equal in magnitude, angle differ 180 degree, increase side electric current until protection act, shown on device when passing through protection act
Id difference streams, the interflow Ir value calculate big poor ratiometric coefficient；
The electric current of two branches is mapped as I1 and I2, and both sides size of current is equal, and angle differs 180 degree, and it is straight to increase side electric current
To protection act, flowed by Id differences, Ir interflow to calculate Id differences stream=| I1|-|I2|, Ir interflow=| I1|+|I2| passes through
Id difference streams, the interflow Ir, calculating ratio COEFFICIENT K=Id/ (Ir-Id) are fixed using ratiometric coefficient measured value and protective device inside
Value is compared, you can whether the big poor ratio brake coefficient definite value of verification is accurate；
5）When carrying out small poor ratio brake coefficient verification, two branches of optional same busbar are needed, while the two are added
The electric current of branch reflects the electric current of the two branches at this point, being mapped the sampled value of different combining units in SV settings
It penetrates as I1 and I2, the straight daylighting fibre that protective device is sampled to branch MU on board pulls out, while electric current is added, the two described
The electric current of branch maps I1 and I2, and both sides size of current is equal, and angle differs 180 degree, increases side electric current until protection act,
The Id difference streams shown on device when passing through protection act, the interflow Ir value calculate small poor ratiometric coefficient；Calculating ratio COEFFICIENT K=
Id/ (Ir-Id) is compared using ratiometric coefficient measured value with definite value inside protective device, you can the small poor ratiometric of verification
Whether dynamic coefficient definite value is accurate；
The DM5000E optical ports 2 and any GOOSE of protective device is connected by optical fiber and sends optical port, when protective device acts
DM5000E receives GOOSE message, and the time of the outlets record GOOSE, DM5000E stops continuing dosage or is switched to other shapes
State realizes the closed loop test of protective device.
2. the intelligent substation bus protection test method according to claim 1 based on DM5000E, it is characterized in that：Institute
State when carrying out big poor ratio brake coefficient verification, verified using DM5000E, optional mother's I branch, mother's II branch
The SV messages output of the two branches is configured to optical port 1, the tripping message of protective device is received using optical port 2, is utilized by road
DM5000E configures SV, GOOSE of the two branches, is reflected to the sampled value of different combining units in SV settings
It penetrates, the electric current of the two branches is mapped as I1 and I2, the straight daylighting fibre of the branch is pulled out from the sampling board of protective device
Fall, the optical port 1 of DM5000E connect with the sampling any optical port of board, optical port 2 is connect with protective device GOOSE outputs optical port,
Equal in magnitude, the opposite both sides electric current in direction is added simultaneously, increases a certain electric current until protection act, record at this time electric current I1 and
I2, to calculate Id differences stream=| the interflow I1|-|I2|, Ir=| I1|+|I2| is flowed by Id differences, and Ir collaborates calculating ratio system
Number K=Id/ (Ir-Id) is compared using ratio brake coefficient measured value with definite value inside protective device, you can verification ratio
Whether restraint coefficient definite value is accurate.
3. the intelligent substation bus protection test method according to claim 1 based on DM5000E, it is characterized in that：Institute
The mother stated and each branch CT polarity tests, are carried out using DM5000E, the optional mother's I branch of need, mother's II branch, with
And mother branch, the SV of these three branches is configured respectively using DM5000E, to different combining units in SV settings
Sampled value is mapped, and the electric current of three branches is mapped as I1, I2, I3 respectively, and wherein I1 is mother's I branch current, I2 II
Female branch current, I3 are mother branch current, simulate the failure of 4 types using DM5000E to judge mother and each branch CT
Polarity；(1) mother's I troubles inside the sample space,（2）Mother's II troubles inside the sample space,（3）Mother's I external area error,（4）Mother's II external area error, protective device pair
It is divided into two kinds of situations in the polar requirement of mother, the first situation is that mother polarity is identical as mother's I branch holding, then the female small differences of I
In all mother's I branch currents make and, mother electric current make and, in the female small differences of II all mother's II branch currents make and, mother electric current is made
Difference, the second situation are that mother polarity is identical as mother's II branch holding, then all mother's I branch currents are made and mother in the female small differences of I
It is poor that electric current is made, in the female small differences of II all mother's II branch currents make and, mother electric current make and, if the first situation, utilization
When DM5000E simulates mother's I troubles inside the sample space, I1, I2, I3 size of current are equal, and phase is identical, at this time big spill current and the female small differences of I
Electric current is 2 times of fault currents, and the female small spill currents of II are the action of zero, I mother's differential protections；When simulating mother's II troubles inside the sample space, I1, I2,
I3 size of current is equal, and I1, I2 phase are identical, I3 opposite in phase, and big spill current and the female small spill currents of II are 2 times of failure electricity at this time
Stream, the female small spill currents of I are the action of zero, II mother's differential protections；When simulating mother's I external area error, I1, I2, I3 size of current are equal,
I2, I3 phase are identical, I1 opposite in phase, and big spill current and small spill current are all zero at this time, and differential protection is failure to actuate；It is female to simulate II
When external area error, I1, I2, I3 size of current are equal, I2, and I3 phases are identical, I1 opposite in phase, at this time big spill current and small difference electricity
Stream is all zero, and differential protection is failure to actuate；If the second situation, then the calculating of mother electric current is exactly the opposite, passes through these four events
The simulation of barrier, you can verification protective device is for mother and the polar requirement of each branch current.
4. the intelligent substation bus protection test method according to claim 1 based on DM5000E, it is characterized in that：Institute
The GOOSE stated sends optical port, and same optical port can at most map three groups of electric currents.
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| CN102957558A (en) * | 2011-08-30 | 2013-03-06 | 湖南省电力勘测设计院 | Protection monitoring device with SV and GOOSE unvarnished transmission function |
| CN202817732U (en) * | 2012-09-11 | 2013-03-20 | 黑龙江省电力有限公司 | Portable intelligent protection device used for intelligent transformer station |
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| CN103744422A (en) * | 2014-01-06 | 2014-04-23 | 国家电网公司 | Automatic testing method for relay protection device based on IEC61850 standard |
| CN104076807A (en) * | 2013-03-28 | 2014-10-01 | 北京电力经济技术研究院 | Method of debugging automation system of intelligent substation |
| CN104734364A (en) * | 2015-04-15 | 2015-06-24 | 国家电网公司 | Method and system of SV and GOOSE input test of intelligent substation relay protector |
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| CN102957558A (en) * | 2011-08-30 | 2013-03-06 | 湖南省电力勘测设计院 | Protection monitoring device with SV and GOOSE unvarnished transmission function |
| CN202817732U (en) * | 2012-09-11 | 2013-03-20 | 黑龙江省电力有限公司 | Portable intelligent protection device used for intelligent transformer station |
| CN103094986A (en) * | 2013-02-20 | 2013-05-08 | 湖南省电力公司科学研究院 | Distributed detection method of intelligent substation relay protection devices based on digital dynamic real time simulator (DDRTS) |
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