CN107219772A - Test method, the apparatus and system of many line downs suppression and isolating device functional parameter - Google Patents
Test method, the apparatus and system of many line downs suppression and isolating device functional parameter Download PDFInfo
- Publication number
- CN107219772A CN107219772A CN201710368936.3A CN201710368936A CN107219772A CN 107219772 A CN107219772 A CN 107219772A CN 201710368936 A CN201710368936 A CN 201710368936A CN 107219772 A CN107219772 A CN 107219772A
- Authority
- CN
- China
- Prior art keywords
- isolating device
- many
- analog signal
- power distribution
- downs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to the method for testing many line downs suppression and isolating device functional parameter, including：According to the power distribution network network model in the actual motion information initializing Real Time Digital Simulator of many loop line power distribution networks；Current fault condition is drawn according to failure generation model；Control Real Time Digital Simulator to carry out the distribution network simulation under the conditions of current failure, obtain the first Current Voltage analog signal of power distribution network；Many line downs are obtained to suppress with isolating device according to the digital controlled signal of the first Current Voltage analog signal output, route selection result and capacitance current measurement value；Power distribution network network model is adjusted, control Real Time Digital Simulator re-starts distribution network simulation, obtains the second Current Voltage analog signal of power distribution network；According to fault condition, route selection result, capacitance current measurement value, first and second Current Voltage analog signal, the functional parameter of determining device.The present invention can test many line downs suppression and the functional parameter of isolating device comprehensively, and testing cost is low.
Description
Technical field
The present invention relates to electric system simulation field, more particularly to a kind of many line downs of test suppress and isolating device
Method, device, system, storage medium and the computer equipment of functional parameter.
Background technology
In power system, many line downs suppress and isolating device, for judging in grounding through arc power distribution network
Nature of trouble and faulty line, complexes can coordinate with the arc suppression coil of transformer station, excessively electric during with measurement arc grounding
Pressure, overcurrent capability.When being suppressed from many line downs with isolating device, it is necessary to suppress to many line downs and isolating device
Failure restraint and isolation features carry out many examinations.Traditional approach carries out device examination by the way of on-the-spot test,
But this Assessment, wiring repacking need to be carried out to transformer station, build suitable test environment, cost of implementation is high and examines
It is long in time limit.
The content of the invention
Based on this, the embodiment of the present invention provides method, the dress of many line downs suppression of test and isolating device functional parameter
Put, system, storage medium and computer equipment, many line downs can be tested comprehensively and suppress functional parameter with isolating device,
And testing cost is relatively low.
One aspect of the present invention provides many line downs suppression of test and the method for isolating device functional parameter, including：
According to pre- in the actual motion information initializing Real Time Digital Simulator of many loop line power distribution networks of grounding through arc
The power distribution network network model first set up；
According to failure generation model corresponding with the power distribution network network model in Real Time Digital Simulator, draw current
Fault condition；
Based on current power distribution network network model, control Real Time Digital Simulator carries out many loop lines under the conditions of current failure
Distribution network simulation, obtains the first Current Voltage analog signal of many loop line power distribution networks；By the first Current Voltage analog signal
Many line downs to be tested are delivered to suppress and isolating device；
Obtain many line down suppression and number of the isolating device according to the first Current Voltage analog signal output
Word control signal, earthing wire-selecting result and capacitance current measurement value；
The power distribution network network model is adjusted according to the digital controlled signal, based on the power distribution network networking mould after adjustment
Type, control Real Time Digital Simulator re-starts many loop line distribution network simulations, obtains the second Current Voltage of many loop line power distribution networks
Analog signal；
According to the fault condition, earthing wire-selecting result, capacitance current measurement value, the first Current Voltage analog signal and
Second Current Voltage analog signal, determines that many line downs suppress the functional parameter with isolating device.
A kind of device for testing many line downs suppression and isolating device functional parameter, including：
Initialization module, the actual motion information initializing for many loop line power distribution networks according to grounding through arc is real-time
The power distribution network network model pre-established in digital simulator；
Fault condition generation module, for according to event corresponding with the power distribution network network model in Real Time Digital Simulator
Hinder generation model, draw current fault condition；
Emulation module, for based on current power distribution network network model, control Real Time Digital Simulator to carry out current
Many loop line distribution network simulations under fault condition, obtain the first Current Voltage analog signal of many loop line power distribution networks；
Device information acquisition module, for the first Current Voltage analog signal to be delivered to many loop lines event to be tested
Barrier suppresses and isolating device；And many line down suppression are obtained with isolating device according to first Current Voltage simulation letter
Number output digital controlled signal, earthing wire-selecting result and capacitance current measurement value；
Secondary simulation module, for adjusting the power distribution network network model according to the digital controlled signal, based on adjustment
Power distribution network network model afterwards, control Real Time Digital Simulator re-starts many loop line distribution network simulations, obtains many loop line distribution
Second Current Voltage analog signal of net；
And, index determining module, for according to the fault condition, earthing wire-selecting result, capacitance current measurement value,
One Current Voltage analog signal and the second Current Voltage analog signal, determine that many line downs suppress and isolating device
Functional parameter.
A kind of system for testing many line downs suppression and isolating device functional parameter, including：Real Time Digital Simulator, letter
Number screen cabinet and many line downs to be tested suppress and isolating device；Being set up in the Real Time Digital Simulator has power distribution network group
Pessimistic concurrency control and its corresponding failure generation model；Current transformer and voltage transformer are provided with the signal screen cabinet；
The analog signal output interface of the Real Time Digital Simulator connects the input interface of signal screen cabinet, signal screen cabinet
Output interface connection many line downs to be tested suppress the analog input interface with isolating device；The real-time digital is imitated
Data signal input interface connection many line downs of true device suppress the data signal output interface with isolating device；
The current failure bar that Real Time Digital Simulator will be obtained based on power distribution network network model and the emulation of failure generation model
The first Current Voltage analog signal output of many loop line power distribution networks is to signal screen cabinet under part；Pass through the Current Mutual Inductance in signal screen cabinet
Device and voltage transformer are amplified to the first Current Voltage analog signal, and by the analog signal output after amplification to institute
Many line downs are stated to suppress and isolating device；Many line downs suppress and the isolating device corresponding digital controlled signal of output to reality
When digital simulator；Many line downs suppress also to export with isolating device earthing wire-selecting result under the conditions of current failure and
Capacitance current measurement value；
Real Time Digital Simulator suppresses to adjust with the digital controlled signal that isolating device is exported according to many line downs
Power distribution network network model, and many loop line distribution network simulations are re-started based on the power distribution network network model after adjustment, obtain many times
Second Current Voltage analog signal of line power distribution network；
Fault condition, many line downs according to being simulated in the Real Time Digital Simulator suppress defeated with isolating device
The earthing wire-selecting result and capacitance current measurement value gone out, and the first Current Voltage that Real Time Digital Simulator emulation is obtained
Analog signal and the second Current Voltage analog signal, determine that many line downs suppress the functional parameter with isolating device.
A kind of computer-readable recording medium, is stored thereon with computer program, and the program is realized when being executed by processor
The step of method described above.
A kind of computer equipment, including memory, processor and storage can be run on a memory and on a processor
Computer program, the step of realizing method described above during the computing device described program.
Above-mentioned technical proposal, the various working of many loop line power distribution network production scenes can be simulated based on Real Time Digital Simulator,
Thus, it is possible to fully and effectively detect that many line downs suppress the correlation function index with isolating device, without being carried out to transformer station
Actual wiring repacking, can reduce experimental site, save testing cost.
Brief description of the drawings
Fig. 1 suppresses the schematic flow with the method for isolating device functional parameter for many line downs of test of an embodiment
Figure；
Fig. 2 is the schematic diagram of the power distribution network network model of an embodiment；
Fig. 3 is the schematic diagram of the failure generation model of an embodiment；
Fig. 4 suppresses the application environment with the method for isolating device functional parameter for many line downs of test of an embodiment
Figure；
Fig. 5 suppresses the flow with the method for isolating device functional parameter for many line downs of test under Fig. 4 application scenarios
Figure；
Fig. 6 suppresses the schematic structure with the device of isolating device functional parameter for many line downs of test of an embodiment
Figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 suppresses the schematic flow with the method for isolating device functional parameter for many line downs of test of an embodiment
Figure；As shown in figure 1, many line downs of test in the present embodiment suppress to include step with the method for isolating device functional parameter：
S11, according to the actual motion information initializing Real Time Digital Simulator of many loop line power distribution networks of grounding through arc
In the power distribution network network model that pre-establishes.
Wherein, power distribution network network model can reflect the mesh information of many loop line power distribution networks of grounding through arc, including
Networking structure information, the state of element and/or parameter information etc..
S12, according to failure generation model corresponding with the power distribution network network model in Real Time Digital Simulator, draws and works as
Preceding fault condition.
In an alternative embodiment, in addition to power distribution network network model is set up in Real Time Digital Simulator in advance, and
The step of setting up the power distribution network network model corresponding failure generation model.Wherein, failure generation model and power distribution network networking
Model is associated, by setting the model parameter of failure generation model, can adjust power distribution network network model, simulates corresponding many
The effect of loop line power distribution network operating mode.
Preferably, the fault condition includes：Abort situation, failure occur the moment, faulty line number, transition resistance,
It is grounded initial angle and/or intermittent time etc..Pass through the power distribution network network model pre-established in the Real Time Digital Simulator
With failure generation model, a variety of different fault conditions can be simulated, and then many line downs suppression and isolating device can be tested
Functional parameter under the conditions of different faults.
S13, based on current power distribution network network model, control Real Time Digital Simulator carries out many under the conditions of current failure
Loop line distribution network simulation, obtains the first Current Voltage analog signal of many loop line power distribution networks.
Real Time Digital Simulator RTDS (Real Time Digital Simulator), based on digital processing unit and parallel
Calculate, output in real time can be achieved, while using gigabit processor card, significantly reducing simulation step length to 20 microseconds, response can essence
Really arrive 9kHz.RTDS is based on power distribution network network model, power network can be carried out in laboratory environment comprehensively accurate dynamic in real time
The simulation of state, truly reflects the running status of practical power systems.
S14, is delivered to many line downs to be tested by the first Current Voltage analog signal and suppresses and isolating device；
Obtain many line down suppression and digital control letter of the isolating device according to the first Current Voltage analog signal output
Number, earthing wire-selecting result and capacitance current measurement value.
S15, adjusts the power distribution network network model, based on the power distribution network networking after adjustment according to the digital controlled signal
Model, control Real Time Digital Simulator re-starts many loop line distribution network simulations, obtains the second electric current electricity of many loop line power distribution networks
Press analog signal.
S16, according to the fault condition, earthing wire-selecting result, capacitance current measurement value, the first Current Voltage analog signal
And the second Current Voltage analog signal, determine that many line downs suppress the functional parameter with isolating device.
Because Real Time Digital Simulator RTDS can not only suppress to connect and compose with isolating device with actual many line downs
Flexible closed loop, and can be difficult to or be impermissible in practical power systems occur Various Complex,
Bad working environments carry out analog simulation.Therefore RTDS is connected into many line downs to suppress to carry out emulation testing with isolating device, will had
Effect makes up the shortcoming of conventional on-site test, the various operating modes that the scene of can simulating is likely to occur, and can be cost-effective.
In an alternative embodiment, it may include in the power distribution network network model：Bulk power grid model, transformer model, connect
Ground transformer model, phase-control type arc suppression coil model, cable model and/or load model etc..Preferably, it is shown in Figure 2, greatly
Power network uses three-phase alternating current potential source, and transformer model uses three-phase two-simulation transformer model, and grounding transformer model is used
Zigzag models, control formula arc suppression coil model uses small step-length model, and cable model uses PI type circuit models.
In an alternative embodiment, with reference to shown in Fig. 3, in Real Time Digital Simulator, corresponding electricity can be also pre-established
Destiny handles model and/or result display model according to extraction model, electric data, and electric data extraction model is used for from failure hair
Current failure is obtained in raw model and occurs parameter, electric data processing model is used to carry out phase to the failure generation parameter of extraction
It should handle, obtain current fault condition, as a result display model is used to carry out output display to current fault condition.In addition,
The result display model is additionally operable to carry out output display to many loop line power distribution network simulation results of real-timedigital simulation, such as right
The first Current Voltage analog signal, the second Current Voltage analog signal carry out output display.Preferably, failure generation model
Using singlephase earth fault, the generation moment of failure is controlled using outside, can in real time be occurred in testing or be cut off failure.
Electric data is extracted and processing includes intermittent grounding fault and sets model and surely ground connection initial angle setting model.
In an alternative embodiment, above-mentioned steps S16 is specifically included：
The earthing wire-selecting result exported according to loop line failure restraint under fault condition and the fault condition and isolating device,
Determine that many line downs suppress the earthing wire-selecting functional parameter with isolating device；
The capacitance current measurement exported according to loop line failure restraint under fault condition and the fault condition and isolating device
Value, determines that many line downs suppress the capacitance current measurement functional parameter with isolating device；
According to the first Current Voltage analog signal and the second Current Voltage analog signal, many loop lines are determined
Failure restraint and the arc overvoltage of isolating device suppress function, ground connection residual flow and suppress function and/or ground start response speed.
By the method for above-described embodiment, correlation function test of many line downs suppression with isolating can be achieved and at least wraps
Include：Capacitance current measurement functional test, the test of ground compensation toggle speed, the test of ground connection residual flow limitation capability, arc overvoltage
Rejection ability is tested and earthing wire-selecting functional test.
Fig. 4 suppresses specific with the method for isolating device functional parameter for many line downs of test of one embodiment of the invention
Application scenario diagram, as shown in figure 4, the application scenarios are：RTDS is suppressed and isolating device with many line downs to be tested
Connected by signal screen cabinet, constitute closed loop test platform, the test platform can be realized to be carried out many times under the conditions of different faults
Line failure restraint is tested with the correlation function isolated.The many loop line power distribution network test models for having grounding through arc are set up in RTDS
Primary system (i.e. power distribution network network model) and electrical secondary system (including failure generation model, electric data extraction model and electricity
Gas data processing model), it is able to carry out many loop line power distribution network real-time simulations and test operation.Wherein, failure generation model is used
Singlephase earth fault, the generation moment of failure is controlled using outside, can in real time be occurred in testing or be cut off failure.Electrically
Data are extracted and processing includes intermittent grounding fault and sets model and surely ground connection initial angle setting model.It is once by described
System and electrical secondary system, can simulate the various working of many loop line power distribution networks, including：By the way that line will be corresponded in power distribution network network model
Road is connected with failure generation model, simulates corresponding abort situation；By adjusting the fault moment parameter of failure generation model, mould
Intend corresponding failure and occur the moment；It is connected by the way that some circuits in power distribution network network model and failure into submodule occur,
Simulate corresponding faulty line number；By adjusting the transition resistance parameter in failure generation model, corresponding transition electricity is simulated
Resistance；Determine ground connection initial angle by adjusting in failure generation model, simulate corresponding ground connection initial angle；By adjusting failure
The time parameter of model intermittent earth fault, simulates the corresponding failure intermittent time.I.e.：Abort situation will not be by will
Occur module with circuit and failure and be connected realization；Fault moment can be randomly provided in failure generation model, can be when any
Any one or several failures is made to occur simultaneously at quarter；Faulty line number can be connected by the way that several loops and failure into module occur
Connect realization；Transition resistance is realized by changing the transition resistance parameter in failure generation model；Initial angle is grounded by connecing surely
Ground initial angle sets model to set, and the intermittent time is set by intermittent grounding fault.
Include current transformer and voltage transformer inside signal screen cabinet.The analog signal of the Real Time Digital Simulator is defeated
Outgoing interface connects the input interface of signal screen cabinet, the output interface of signal screen cabinet connect many line downs to be tested suppress with every
From the analog input interface of device；Data signal input interface connection many loop lines events of the Real Time Digital Simulator
Barrier suppresses the data signal output interface with isolating device.
The functional test under the conditions of different faults can be realized based on above-mentioned test platform, different fault bits are specifically included
Put, different fault moments, different faulty line number, different transition resistances, different ground connection initial angles and difference
The test of intermittent time.Accordingly, it is related to isolation based on many line downs suppression can be carried out in above-mentioned test platform
Functional test, including：Capacitance current measurement functional test, ground compensation toggle speed are tested, ground connection residual flow limitation capability is tested,
Arc overvoltage rejection ability is tested and earthing wire-selecting functional test.It is many to the test of above-described embodiment with reference to Fig. 4, Fig. 5
Line down suppresses further to be explained with the method for isolating device functional parameter.
As shown in figure 5, many line downs of test in the present embodiment suppress to include with the method for isolating device functional parameter
Step：
(1) according to the actual motion information of many loop line power distribution networks of grounding through arc, primary system parameter is set；I.e. just
The power distribution network network model pre-established in beginningization Real Time Digital Simulator.
(2) according to actual test demand, the electrical secondary system in Real Time Digital Simulator is set, to constitute different failure bars
Part.
(3) RTDS carries out real-timedigital simulation according to primary system and the facilities of electrical secondary system, and exports current event
Many loop line power distribution network simulation results under the conditions of barrier, i.e. the first Current Voltage analog signal；It is mutual through Current Voltage in signal screen cabinet
After sensor amplification, incoming many line downs to be tested suppress and isolating device.
(4) many line downs suppress with isolating device according to the incoming Current Voltage analog signal of signal screen cabinet (i.e.
Analog signal after the amplification of first Current Voltage analog signal), by calculation process, corresponding digital controlled signal is sent, together
When output route selection result and capacitance current measurement value.
The wherein described incoming RTDS of digital controlled signal, power distribution network described in RTDS is adjusted according to the digital controlled signal
Network model, specifically for example adjusts the operation side of the arc suppression coil in power distribution network network model according to the digital controlled signal
Formula.
(5) RTDS carries out real-time simulation, can obtain the second Current Voltage analog signal of many loop line power distribution networks.Electrical secondary system
Voltage x current numerical value before and after extraction record troubleshooting (is the first Current Voltage analog signal, troubleshooting before troubleshooting
It is the second Current Voltage analog signal afterwards).According to the fault condition, earthing wire-selecting result, capacitance current measurement value, the first electricity
Voltage analog signal and the second Current Voltage analog signal are flowed, many loop line events are exported by result display model after processing
Barrier suppresses the correlation function index with isolating device, including：Earthing wire-selecting accuracy, capacitance current measurement accuracy rate, arc light mistake
Voltage suppression level, ground start response speed and ground connection residual flow suppression level etc..
It should be noted that for foregoing each method embodiment, for simplicity description, it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to
According to the present invention, some steps can use other orders or carry out simultaneously.
Based on the method identical suppressed with many line downs of test in above-described embodiment with isolating device functional parameter
Thought, the present invention also provides many line downs suppression of test and the system of isolating device functional parameter, including：Real-timedigital simulation
Device, signal screen cabinet and many line downs to be tested suppress and isolating device；Set up to have in the Real Time Digital Simulator and match somebody with somebody
Power network network model and its corresponding failure generation model；Current transformer and mutual induction of voltage are provided with the signal screen cabinet
Device.
Wherein, the analog signal output interface of the Real Time Digital Simulator connects the input interface of signal screen cabinet, signal
The output interface for shielding cabinet connects many line downs to be tested and suppresses analog input interface with isolating device；It is described real-time
The data signal output that data signal input interface connection many line downs of digital simulator suppress with isolating device connects
Mouthful.
The current failure bar that Real Time Digital Simulator will be obtained based on power distribution network network model and the emulation of failure generation model
The first Current Voltage analog signal output of many loop line power distribution networks is to signal screen cabinet under part.Pass through the Current Mutual Inductance in signal screen cabinet
Device and voltage transformer are amplified to the first Current Voltage analog signal, and by the analog signal output after amplification to institute
Many line downs are stated to suppress and isolating device.
Many line downs suppress and the isolating device corresponding digital controlled signal of output to Real Time Digital Simulator；It is described many
Line down suppresses also to export the earthing wire-selecting result and capacitance current measurement value under the conditions of current failure with isolating device.
Real Time Digital Simulator suppresses to adjust with the digital controlled signal that isolating device is exported according to many line downs
Power distribution network network model, and many loop line distribution network simulations are re-started based on the power distribution network network model after adjustment, obtain many times
Second Current Voltage analog signal of line power distribution network.
Fault condition, many line downs according to being simulated in the Real Time Digital Simulator suppress defeated with isolating device
The earthing wire-selecting result and capacitance current measurement value gone out, and the first Current Voltage that Real Time Digital Simulator emulation is obtained
Analog signal and the second Current Voltage analog signal, determine that many line downs suppress the functional parameter with isolating device.By
This can test many line downs suppression and the functional parameter of isolating device comprehensively, and cost of implementation is low, efficiency high.
Based on the method identical suppressed with many line downs of test in above-described embodiment with isolating device functional parameter
Thought, the present invention also provides many line downs suppression of test and the device of isolating device functional parameter, and the system can be used for performing
The above-mentioned many line downs of test suppress the method with isolating device functional parameter.For convenience of description, many line down suppressions are tested
System is with the structural representation of the device embodiment of isolating device functional parameter, illustrate only related to the embodiment of the present invention
Part, it will be understood by those skilled in the art that the restriction of schematic structure not structure paired systems, can include than illustrate it is more or
Less part, either combines some parts or different parts arrangement.
Fig. 6 suppresses the signal with the device of isolating device functional parameter for many line downs of test of one embodiment of the invention
Property structure chart.As shown in fig. 6, many line downs of test of the present embodiment suppress to include with the device of isolating device functional parameter：
It is initialization module 610, fault condition generation module 620, emulation module 630, device information acquisition module 640, secondary imitative
True module 650 and index determining module 660, details are as follows for each module：
The initialization module 610, at the beginning of the actual motion information according to many loop line power distribution networks of grounding through arc
The power distribution network network model pre-established in beginningization Real Time Digital Simulator；
The fault condition generation module 620, for according in Real Time Digital Simulator with the power distribution network network model
Corresponding failure generation model, draws current fault condition；
Emulation module 630, for based on current power distribution network network model, control Real Time Digital Simulator to enter
Many loop line distribution network simulations under the conditions of trade prior fault, obtain the first Current Voltage analog signal of many loop line power distribution networks；
Described device data obtaining module 640, it is to be tested for the first Current Voltage analog signal to be delivered to
Many line downs suppress and isolating device；And many line down suppression are obtained with isolating device according to first electric current electricity
Press digital controlled signal, earthing wire-selecting result and the capacitance current measurement value of analog signal output；
The secondary simulation module 650, for adjusting the power distribution network network model, base according to the digital controlled signal
In the power distribution network network model after adjustment, control Real Time Digital Simulator re-starts many loop line distribution network simulations, obtained many times
Second Current Voltage analog signal of line power distribution network；
The index determining module 660, for according to the fault condition, earthing wire-selecting result, capacitance current measurement value,
First Current Voltage analog signal and the second Current Voltage analog signal, determine that many line downs suppress and isolating device
Functional parameter.
In an alternative embodiment, the power distribution network network model includes：Bulk power grid model, transformer model, ground connection
Transformer model, phase-control type arc suppression coil model, cable model and/or load model.
In an alternative embodiment, the fault condition includes：Abort situation, failure occur the moment, faulty line number,
Transition resistance, ground connection initial angle and/or intermittent time.
In an alternative embodiment, the index determining module 660 is particularly used in：
The earthing wire-selecting knot for suppressing to export with isolating device according to many line downs under fault condition and the fault condition
Really, determine that many line downs suppress the earthing wire-selecting functional parameter with isolating device；
Suppressed to survey with the capacitance current that isolating device is exported according to many line downs under fault condition and the fault condition
Value, determines that many line downs suppress the capacitance current measurement functional parameter with isolating device；
According to the first Current Voltage analog signal and the second Current Voltage analog signal, many loop lines are determined
Failure restraint and the arc overvoltage of isolating device suppress function, ground connection residual flow and suppress function and/or ground start response speed.
In an alternative embodiment, described device data obtaining module 650 is particularly used in, by first Current Voltage
Analog signal input signal screen cabinet is amplified processing, is delivered to the analog signal after enhanced processing by the signal screen cabinet
Many line downs to be tested suppress and isolating device；Current transformer and voltage transformer are provided with the signal screen cabinet.
It should be noted that many line downs of test of above-mentioned example suppress the reality with the device of isolating device functional parameter
Apply in mode, the content such as information exchange, implementation procedure between each module, it is same due to being based on preceding method embodiment of the present invention
One design, its technique effect brought is identical with preceding method embodiment of the present invention, and it is real that particular content can be found in the inventive method
The narration in example is applied, here is omitted.
In addition, many line downs of test of above-mentioned example suppress the embodiment with the device of isolating device functional parameter
In, the logical partitioning of each functional module is merely illustrative of, can be as needed in practical application, such as corresponding hardware
The convenient consideration of the realization of configuration requirement or software, above-mentioned functions are distributed and completed by different functional modules, will be described
Test many line downs to suppress to be divided into different functional modules from the internal structure of the device of isolating device functional parameter, with complete
Into all or part of function described above.Wherein each function mould can both be realized in the form of hardware, it would however also be possible to employ
The form of software function module is realized.
It will appreciated by the skilled person that realizing all or part of flow in above-described embodiment method, being can
To instruct the hardware of correlation to complete by computer program, described program can be stored in embodied on computer readable storage Jie
In matter, as independent production marketing or use.Described program upon execution, can perform the complete of such as embodiment of above-mentioned each method
Portion or part steps.In addition, the storage medium also can be set with a kind of computer equipment, also being wrapped in the computer equipment
When including the program in processor, storage medium described in the computing device, can realize above-mentioned each method embodiment it is complete
Portion or part steps.Wherein, described storage medium can be magnetic disc, CD, read-only memory (Read-Only
Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.It is appreciated that wherein used term " first ", " second " etc. are at this
It is used to distinguish object in text, but these objects should not be limited by these terms.
Embodiment described above only expresses the several embodiments of the present invention, it is impossible to be interpreted as to the scope of the claims of the present invention
Limitation.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention
It should be determined by the appended claims.
Claims (10)
1. a kind of test many line downs suppression and the method for isolating device functional parameter, it is characterised in that including：
Built in advance according in the actual motion information initializing Real Time Digital Simulator of many loop line power distribution networks of grounding through arc
Vertical power distribution network network model；
According to failure generation model corresponding with the power distribution network network model in Real Time Digital Simulator, current failure is drawn
Condition；
Based on current power distribution network network model, control Real Time Digital Simulator carries out many loop line distribution under the conditions of current failure
Network simulation, obtains the first Current Voltage analog signal of many loop line power distribution networks；
The first Current Voltage analog signal is delivered into many line downs to be tested to suppress and isolating device；Obtain described
Many line downs suppress to be selected according to the digital controlled signal of the first Current Voltage analog signal output, ground connection with isolating device
Knot fruit and capacitance current measurement value；
The power distribution network network model is adjusted according to the digital controlled signal, based on the power distribution network network model after adjustment, control
Real Time Digital Simulator processed re-starts many loop line distribution network simulations, obtains the second Current Voltage simulation letter of many loop line power distribution networks
Number；
According to the fault condition, earthing wire-selecting result, capacitance current measurement value, the first Current Voltage analog signal and second
Current Voltage analog signal, determines that many line downs suppress the functional parameter with isolating device.
2. many line downs of test according to claim 1 suppress the method with isolating device functional parameter, its feature exists
According to the fault condition, earthing wire-selecting result, capacitance current measurement value, the first Current Voltage analog signal and second
Current Voltage analog signal, determines that many line downs suppress to include with the functional parameter of isolating device：
The earthing wire-selecting result for suppressing to export with isolating device according to many line downs under fault condition and the fault condition, really
Fixed many line downs suppress the earthing wire-selecting functional parameter with isolating device；
The capacitance current measurement value for suppressing to export with isolating device according to many line downs under fault condition and the fault condition,
Determine that many line downs suppress the capacitance current measurement functional parameter with isolating device；
According to the first Current Voltage analog signal and the second Current Voltage analog signal, many line downs are determined
The arc overvoltage suppressed with isolating device suppresses function, ground connection residual flow and suppresses function and/or ground start response speed.
3. many line downs of test according to claim 1 suppress the method with isolating device functional parameter, its feature exists
In the power distribution network network model includes：Bulk power grid model, transformer model, grounding transformer model, phase control type arc blowout wire
Enclose model, cable model and/or load model；
And/or,
The fault condition includes：Moment, faulty line number, transition resistance, ground connection initial angle occur for abort situation, failure
And/or the intermittent time.
4. suppress the method with isolating device functional parameter according to any described many line downs of test of claims 1 to 3, its
It is characterised by, the first Current Voltage analog signal is delivered into many line downs to be tested suppresses and isolating device, bag
Include：
The first Current Voltage analog signal input signal screen cabinet is amplified processing, will be amplified by the signal screen cabinet
Analog signal after processing is delivered to many line downs to be tested and suppressed and isolating device；Electricity is provided with the signal screen cabinet
Current transformer and voltage transformer.
5. a kind of test many line downs suppression and the device of isolating device functional parameter, it is characterised in that including：
Initialization module, the actual motion information initializing real-time digital for many loop line power distribution networks according to grounding through arc
The power distribution network network model pre-established in emulator；
Fault condition generation module, for being sent out according to failure corresponding with the power distribution network network model in Real Time Digital Simulator
Raw model, draws current fault condition；
Emulation module, for based on current power distribution network network model, control Real Time Digital Simulator to carry out current failure
Under the conditions of many loop line distribution network simulations, obtain the first Current Voltage analog signal of many loop line power distribution networks；
Device information acquisition module, presses down for the first Current Voltage analog signal to be delivered into many line downs to be tested
System and isolating device；And it is defeated according to the first Current Voltage analog signal with isolating device to obtain many line down suppression
Digital controlled signal, earthing wire-selecting result and the capacitance current measurement value gone out；
Secondary simulation module, for adjusting the power distribution network network model according to the digital controlled signal, after adjustment
Power distribution network network model, control Real Time Digital Simulator re-starts many loop line distribution network simulations, obtains many loop line power distribution networks
Second Current Voltage analog signal；
And, index determining module, for according to the fault condition, earthing wire-selecting result, capacitance current measurement value, the first electricity
Voltage analog signal and the second Current Voltage analog signal are flowed, determines that many line downs suppress the function with isolating device
Index.
6. many line downs of test according to claim 5 suppress the device with isolating device functional parameter, its feature exists
In the power distribution network network model includes：Bulk power grid model, transformer model, grounding transformer model, phase control type arc blowout wire
Enclose model, cable model and/or load model；
And/or,
The fault condition includes：Moment, faulty line number, transition resistance, ground connection initial angle occur for abort situation, failure
And/or the intermittent time.
7. many line downs of test according to claim 5 or 6 suppress the device with isolating device functional parameter, its feature
It is, the index determining module, specifically for：
The earthing wire-selecting result for suppressing to export with isolating device according to many line downs under fault condition and the fault condition, really
Fixed many line downs suppress the earthing wire-selecting functional parameter with isolating device；
The capacitance current measurement value for suppressing to export with isolating device according to many line downs under fault condition and the fault condition,
Determine that many line downs suppress the capacitance current measurement functional parameter with isolating device；
According to the first Current Voltage analog signal and the second Current Voltage analog signal, many line downs are determined
The arc overvoltage suppressed with isolating device suppresses function, ground connection residual flow and suppresses function and/or ground start response speed；
And/or,
Described device data obtaining module, specifically for the first Current Voltage analog signal input signal screen cabinet is put
Big processing, by the signal screen cabinet by the analog signal after enhanced processing be delivered to many line downs to be tested suppress with every
From device；Current transformer and voltage transformer are provided with the signal screen cabinet.
8. a kind of test many line downs suppression and the system of isolating device functional parameter, it is characterised in that including：Real-time digital
Emulator, signal screen cabinet and many line downs to be tested suppress and isolating device；Set up in the Real Time Digital Simulator
There are power distribution network network model and its corresponding failure generation model；Current transformer is provided with the signal screen cabinet and voltage is mutual
Sensor；
The analog signal output interface of the Real Time Digital Simulator connects the input interface of signal screen cabinet, the output of signal screen cabinet
Interface connection many line downs to be tested suppress the analog input interface with isolating device；The Real Time Digital Simulator
Data signal input interface connection many line downs suppress data signal output interface with isolating device；
Under the conditions of the current failure that Real Time Digital Simulator will be obtained based on power distribution network network model and the emulation of failure generation model
First Current Voltage analog signal output of many loop line power distribution networks is to signal screen cabinet；By the current transformer in signal screen cabinet and
Voltage transformer is amplified to the first Current Voltage analog signal, and by the analog signal output after amplification to described many
Line down suppresses and isolating device；Many line downs suppress and the isolating device corresponding digital controlled signal of output to real-time number
Word emulator；Many line downs suppress also to export the earthing wire-selecting result and electric capacity under the conditions of current failure with isolating device
Current measurement value；
Real Time Digital Simulator suppresses to adjust distribution with the digital controlled signal that isolating device is exported according to many line downs
Net network model, and many loop line distribution network simulations are re-started based on the power distribution network network model after adjustment, obtain many loop lines and match somebody with somebody
Second Current Voltage analog signal of power network；
Fault condition, many line downs according to being simulated in the Real Time Digital Simulator suppress what is exported with isolating device
Earthing wire-selecting result and capacitance current measurement value, and the first Current Voltage simulation that Real Time Digital Simulator emulation is obtained
Signal and the second Current Voltage analog signal, determine that many line downs suppress the functional parameter with isolating device.
9. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is held by processor
The step of Claims 1-4 any methods described is realized during row.
10. a kind of computer equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, it is characterised in that the step of any methods described of Claims 1-4 is realized during the computing device described program
Suddenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368936.3A CN107219772B (en) | 2017-05-23 | 2017-05-23 | Method, device and system for testing function indexes of multi-loop fault suppression and isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368936.3A CN107219772B (en) | 2017-05-23 | 2017-05-23 | Method, device and system for testing function indexes of multi-loop fault suppression and isolation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107219772A true CN107219772A (en) | 2017-09-29 |
| CN107219772B CN107219772B (en) | 2020-02-18 |
Family
ID=59945381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368936.3A Active CN107219772B (en) | 2017-05-23 | 2017-05-23 | Method, device and system for testing function indexes of multi-loop fault suppression and isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107219772B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0259662A2 (en) * | 1986-09-02 | 1988-03-16 | Digital Equipment Corporation | Method for generating a candidate list of faulty circuit elements and method for isolating faults in a digital logic circuit using said candidate list. |
| CN101119095A (en) * | 2007-07-19 | 2008-02-06 | 清华大学 | Large destabilization real-time simulation system based on nonlinear robust power system stabilizer |
| CN101153884A (en) * | 2007-07-27 | 2008-04-02 | 杭州中恒电气股份有限公司 | Relay-protection steady-state digital moving die test system |
| CN101242102A (en) * | 2008-02-28 | 2008-08-13 | 江苏省电力试验研究院有限公司 | Method for integrated evaluation of large-scale complex power grid |
| CN101789583A (en) * | 2010-01-15 | 2010-07-28 | 许昌开普电器检测研究院 | Real-time digital emulation automatic test method |
| CN202488143U (en) * | 2011-12-05 | 2012-10-10 | 江西省电力科学研究院 | Real-time digital simulation platform used for transformer station parallel capacitor device fault analysis |
| US20140129000A1 (en) * | 2012-11-06 | 2014-05-08 | General Electric Company | Systems and Methods For Dynamic Risk Derivation |
| CN103969578A (en) * | 2014-03-18 | 2014-08-06 | 电子科技大学 | Device and method for testing power grid adaptability of wind power generating unit |
| CN104914391A (en) * | 2015-05-05 | 2015-09-16 | 国家电网公司 | Distribution network single-phase grounding fault simulation and positioning performance test platform and method |
| CN105158716A (en) * | 2015-09-11 | 2015-12-16 | 广西大学 | Undercurrent line selection test system and method based on PSCAD closed loop technology |
| CN105259476A (en) * | 2015-11-04 | 2016-01-20 | 海南电力技术研究院 | Detection method and system of line fault positioning system of power distribution network |
| CN105403810A (en) * | 2015-12-03 | 2016-03-16 | 国网山东省电力公司电力科学研究院 | Universal testing system and method of line selection apparatus of low-current grounding system |
-
2017
- 2017-05-23 CN CN201710368936.3A patent/CN107219772B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0259662A2 (en) * | 1986-09-02 | 1988-03-16 | Digital Equipment Corporation | Method for generating a candidate list of faulty circuit elements and method for isolating faults in a digital logic circuit using said candidate list. |
| CN101119095A (en) * | 2007-07-19 | 2008-02-06 | 清华大学 | Large destabilization real-time simulation system based on nonlinear robust power system stabilizer |
| CN101153884A (en) * | 2007-07-27 | 2008-04-02 | 杭州中恒电气股份有限公司 | Relay-protection steady-state digital moving die test system |
| CN101242102A (en) * | 2008-02-28 | 2008-08-13 | 江苏省电力试验研究院有限公司 | Method for integrated evaluation of large-scale complex power grid |
| CN101789583A (en) * | 2010-01-15 | 2010-07-28 | 许昌开普电器检测研究院 | Real-time digital emulation automatic test method |
| CN202488143U (en) * | 2011-12-05 | 2012-10-10 | 江西省电力科学研究院 | Real-time digital simulation platform used for transformer station parallel capacitor device fault analysis |
| US20140129000A1 (en) * | 2012-11-06 | 2014-05-08 | General Electric Company | Systems and Methods For Dynamic Risk Derivation |
| CN103969578A (en) * | 2014-03-18 | 2014-08-06 | 电子科技大学 | Device and method for testing power grid adaptability of wind power generating unit |
| CN104914391A (en) * | 2015-05-05 | 2015-09-16 | 国家电网公司 | Distribution network single-phase grounding fault simulation and positioning performance test platform and method |
| CN105158716A (en) * | 2015-09-11 | 2015-12-16 | 广西大学 | Undercurrent line selection test system and method based on PSCAD closed loop technology |
| CN105259476A (en) * | 2015-11-04 | 2016-01-20 | 海南电力技术研究院 | Detection method and system of line fault positioning system of power distribution network |
| CN105403810A (en) * | 2015-12-03 | 2016-03-16 | 国网山东省电力公司电力科学研究院 | Universal testing system and method of line selection apparatus of low-current grounding system |
Non-Patent Citations (3)
| Title |
|---|
| 张峻榤，等: "基于直流电压变化率的直流电网直流故障保护", 《南方电网技术》 * |
| 王丹: "电网和变电站联合仿真培训系统设计", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
| 赵庆周: "基于智能配电网大数据分析的状态监测与故障处理方法", 《电网技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107219772B (en) | 2020-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105403810B (en) | A kind of fault line selection for indirectly grounding power system device universal test system and method | |
| Swetapadma et al. | All shunt fault location including cross-country and evolving faults in transmission lines without fault type classification | |
| Korkali et al. | Optimal deployment of wide-area synchronized measurements for fault-location observability | |
| Aslan et al. | Artificial neural-network-based fault location for power distribution lines using the frequency spectra of fault data | |
| CN106463945A (en) | Systems and methods for identifying faulted segments in multiphase power networks | |
| CN104217634B (en) | Distribution true-value simulation test method | |
| CN106771735A (en) | The treating method and apparatus of simulated failure | |
| Aslan | An alternative approach to fault location on power distribution feeders with embedded remote-end power generation using artificial neural networks | |
| CN105044613B (en) | Hi-Fi satellite load scene reproducer and method | |
| Santos et al. | Dynamic simulation of induced voltages in high voltage cable sheaths: Steady state approach | |
| CN109061391B (en) | Power grid fault diagnosis method and system based on computer vision tidal current diagram | |
| CN107037325A (en) | The method of arc suppression coil earthing system failure line selection, apparatus and system | |
| CN105445585B (en) | The method for diagnosing faults and system of power grid primary circuit | |
| Xie et al. | Transmission line fault classification based on dynamic state estimation and support vector machine | |
| CN106707104A (en) | 10kV distribution network cable line fault location simulation device | |
| Gord et al. | Determining an accurate fault location in electrical energy distribution networks in the presence of DGs using transient analysis | |
| Overbye et al. | Techniques for maintaining situational awareness during large-scale electric grid simulations | |
| Mehinović et al. | Application of artificial intelligence methods for determination of transients in the power system | |
| CN107169213A (en) | Test method, the apparatus and system of zero-sequence current self-adaptive protector functional parameter | |
| CN107290624B (en) | Three-phase distribution line model suitable for non-effective ground connection distribution network | |
| Rosa et al. | A systemic approach for assessment of advanced distribution automation functionalities | |
| CN107219772A (en) | Test method, the apparatus and system of many line downs suppression and isolating device functional parameter | |
| CN106124989A (en) | Turbine generators machines under rotor winding faults diagnostic method based on diagnostic cast and device | |
| Hubana | Transmission lines fault location estimation based on artificial neural networks and power quality monitoring data | |
| CN115980515A (en) | Single-phase earth fault positioning method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |