CN108879964A - Type feed line automatization system field-checking is driven FA full-automatic testing method on the spot - Google Patents
Type feed line automatization system field-checking is driven FA full-automatic testing method on the spot Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
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Abstract
The invention discloses type feed line automatization system field-checkings on the spot to be driven FA full-automatic testing method,It is related to Distribution Automation Technology field,Feeder automation intelligent tester and feeder switch operating condition adaptive modeling device are accessed at substation's outlet switch of tested feeder line and feeder switch terminal,The slave testing scheme at each feeder switch terminal is derived from the main main testing scheme for enabling tester from cloud platform or substation's outlet switch,Respectively pass through the monitoring to feeder line measurement condition from tester,Realize the main cooperation for enabling tester with substation's outlet switch,Without the real time communication between principal and subordinate,The protection of verification substation's outlet switch and the fault detection of all feeder switch terminals can be tested,Isolation,The overall process to restore electricity,It is automatically finished feeder line FA function and performance test,It is disposable to complete transformer substation switch,Feeder line section switch,The transmission test of interconnection switch.
Description
Technical field
The present invention relates to Distribution Automation Technology fields, pass more particularly to type feed line automatization system field-checking on the spot
Dynamic FA full-automatic testing method.
Background technique
The patent of invention " electrical power distribution automatization system secondary injection input testing method " of Shaanxi Electric Power Research Institute Liu Jian et al.,
It is to configure distribution network failure simulative generator, the equipment is according under test command computer at each distribution power automation terminal
The testing scheme of hair is simulated a certain section fault of power distribution network, is surveyed to related links such as distribution terminal, communication system, main websites
Examination.Patent of invention " test method of the injection of electrical power distribution automatization system main website and secondary injection synchronous coordination ", is primarily adapted for use in collection
Medium-sized power distribution automation mode.Above-mentioned two patents of invention cannot show the full feeder line FA function of type feeder automation on the spot
Field adjusting verification switch transmission is tested, and can not realize full-automatic testing.Patent of invention " the 10kV feeder line short circuit examination of Liu Jian et al.
Proved recipe method " provides a kind of 10kV kilovolt feed line short circuit test test method, by the way that special impedor is directly accessed the aerial feedback of 10kV
Line forms true controllable 10kV short trouble, so as to carry out to type feeder automation equipment obstacle management function on the spot
Test, but need to manufacture N × 2 time (N is the feeder line segments) true short circuit accident, distribution is impacted greatly, safety measure is wanted
It asks high, there is security risk, need repeatedly to have a power failure, power transmission.The test preparation is complicated, and test period is long, is mainly used for science
Development test, cannot large-scale popularization application in practical projects.
Shaanxi Electric Power Research Institute Liu Jian professor et al. and both at home and abroad power distribution automation engineers and technicians to distribution from
Dynamicization system testing technology has conducted extensive research, and obtains multinomial patent, has delivered a series of papers, publishes《Distribution is certainly
Dynamicization system testing technology》The paper patent etc. of equal monographs, domestic and international power distribution automation test does not refer to type feeder line on the spot
Automate the full feeder line FA full-automatic testing method including substation's outlet switch protection seting.
In conclusion distribution automation field still lacks the adjusting of type feeder automation full line scene protection on the spot entirely at present
Automatically the effective ways and means of testing tested.
Summary of the invention
The embodiment of the invention provides type feed line automatization system field-checkings on the spot to be driven FA full-automatic testing method, can
To solve problems of the prior art.
The present invention provides type feed line automatization system field-checkings on the spot to be driven FA full-automatic testing method, this method packet
Include the voltage-time type transmission of type feed line automatization system field-checking FA full-automatic testing method, voltage-to-current time type on the spot
Type feeder line is automatic on the spot for type feed line automatization system field-checking transmission FA full-automatic testing method and state's net self-adaptation type on the spot
Change full protection for feed line adjusting verification transmission FA full-automatic testing method, the step of latter two method is identical；
Above-mentioned three kinds of methods before start, are required to configure equipment, configuration method is：(1) go out in feeder line
Feeder automation intelligent tester is configured at wiretap protective device, tester work enables operating mode, referred to as main survey main
Try instrument；
(2) feeder switch operating condition adaptive modeling device, the simulator work are configured at feeder line segmentation and interconnection switch terminal
Make in slave operation mode, referred to as from tester；
The voltage-time type on the spot type feed line automatization system field-checking transmission FA full-automatic testing method include with
Lower step：
The testing scheme of current corresponding segmentation/interconnection switch is obtained from cloud platform or main tester；
Related state parameter setting in exact p-value scheme is consistent with the definite value of live feeder switch terminal, and tests
After the residual voltage definite value selected in scheme is consistent with live feeder switch terminal, disconnects outlet switch protective device and opened with live feeder line
Outlet switch protective device, is accessed the current loop of main tester by the current circuit connections for closing terminal, then by live PT electricity
The connecting cable of source and distribution terminal disconnects, and PT feed cable is forwarded to from tester, then is connected to distribution terminal；
After completing the distant verification of line feed terminals three, the distant verification of main website three, the test of feeder line transient fault, successively feeder line is respectively segmented
Permanent fault test is carried out, completing voltage-time type, type feed line automatization system field-checking is driven FA full-automatic testing on the spot；
Type feed line automatization system field-checking is driven FA full-automatic testing method packet to the voltage-to-current time type on the spot
Include following steps：
The testing scheme of current corresponding segmentation/interconnection switch is obtained from cloud platform or main tester；
Related state parameter setting in exact p-value scheme is consistent with live feeder switch terminal definite value, and test side
After the residual voltage definite value selected in case is consistent with live feeder switch terminal, outlet switch protective device and live feeder switch are disconnected
The current circuit connections of terminal, by outlet switch protective device access it is main enable tester current loop, then by live PT power supply
It is disconnected with the connecting cable of distribution terminal, PT feed cable is forwarded to from tester, then is connected to distribution terminal, simultaneously switches off scene
The current loop of feeder switch terminal will be connected to distribution terminal from the current loop of tester to the circuit CT of distribution terminal；
After completing the distant verification of line feed terminals three, the distant verification of main website three and the test of feeder line transient fault, successively to each point of feeder line
The test of Duan Jinhang permanent fault, completing voltage-to-current time type, type feed line automatization system field-checking transmission FA is complete certainly on the spot
Dynamic test；
Wherein, the feeder switch operating condition adaptive modeling device includes single-chip microcontroller, programmable logic array, liquid crystal display list
Member, input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control interface circuit；
The single-chip microcontroller is electrically connected with liquid crystal display, input/output interface circuit and programmable logic array,
The feeder line Work condition analogue circuit and self adaptive control interface circuit are electrically connected with the programmable logic array, the feeder line
Work condition analogue circuit is electrically connected with external PT power supply and measured terminal, the self adaptive control interface circuit and measured terminal
Electrical connection, the input/output interface circuit are electrically connected with measured terminal.
The feed line automatization system field-checking of type on the spot in the embodiment of the present invention is driven FA full-automatic testing method, especially
It is suitable for whole feeder line after feeder automation switch terminal equipment is installed, the protection of feeder line outlet switch is adjusted again to be powered
Preceding protective calibration and switch transmission test, the disposable protective calibration transmission test completed including outlet switch and whole
The FA transmission test of feeder line, solving all section fault isolation transmission tests of type feeder automation on the spot cannot disposably complete
Problem, all functional requirements of disposable coverage rate FA, and test job amount is reduced, test report can be automatically generated, significantly
Improve testing efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that the feed line automatization system field-checking of type on the spot provided in an embodiment of the present invention is driven the full-automatic testing side FA
Type feed line automatization system field-checking is driven FA full-automatic testing method flow diagram to voltage-time type on the spot in method；
Fig. 2 is that the feed line automatization system field-checking of type on the spot provided in an embodiment of the present invention is driven the full-automatic testing side FA
Type feed line automatization system field-checking is driven FA full-automatic testing method flow diagram to voltage-to-current time type on the spot in method；
Fig. 3 is that type feed line automatization system field-checking transmission FA full-automatic testing method makes on the spot in the embodiment of the present invention
The integrated circuit connection figure of feeder switch operating condition adaptive modeling device；
Circuit connection diagram when Fig. 4 is simulator progress feeder switch interface adaptive in Fig. 3；
Circuit connection diagram when Fig. 5 is simulator progress feeder line Work condition analogue in Fig. 3.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Figures 1 and 2, it is complete that type feed line automatization system field-checking transmission FA on the spot is provided in the embodiment of the present invention
Automatic test approach, this method include that type feed line automatization system field-checking transmission FA is automatically surveyed voltage-time type on the spot
Type feed line automatization system field-checking is driven FA full-automatic testing method and state's net on the spot for method for testing, voltage-to-current time type
The full protection for feed line adjusting verification of type feeder automation is driven FA full-automatic testing method to self-adaptation type on the spot.
Before carrying out above-mentioned three kinds of tests, need to carry out the establishment of testing scheme first, testing scheme is by several surveys
Function composition is tried, each function includes several test modes, and the i.e. tested switch terminal of test mode is in normal operation or failure
And locating a kind of electrical installation state in fault treating procedure, including voltage, current waveform locating for tested switch terminal etc.
Analog quantity state and the division state of switch etc..After testing scheme is worked out, it can store or be uploaded in cloud platform on the spot.
Type feed line automatization system field-checking transmission FA full-automatic testing method is starting the voltage-time type on the spot
Before, it needs to configure equipment, configuration method is：(1) feeder automation intelligence is configured at feeder line outlet switch protective device
Energy tester (main to enable operating mode), referred to as main tester；
(2) feeder switch operating condition adaptive modeling device (slave operation mould is configured at feeder line segmentation and interconnection switch terminal
Formula), referred to as from tester.
The testing scheme of the protective calibration for the feeder line outlet switch for generating or downloading at main tester is known as main test side
Case derives the slave testing scheme of each feeder switch terminal after downloading main testing scheme from tester, the specific method is as follows：
(1) main testing scheme is downloaded in cloud platform or main tester, is named as switch from testing scheme；From testing scheme after
All test modes and test function for holding main testing scheme, electrical operating condition and switch work to each test mode and test function
Condition data carry out corresponding adjustment by the operating condition of feeder switch terminal.
(2) test starting and the termination condition of main testing scheme are inherited from testing scheme, and to the shape of feeder switch terminal
State operating condition is matched, and key data has：It manually boots, start by set date, terminate and tightly stop manually.
(3) timing of all test modes and time-delay conversion condition that main testing scheme is inherited from testing scheme, open feeder line
It closes the corresponding status condition of terminal and carries out conversion matching, mainly have：Delay time switching, is opened into condition, some mould switch changed position
Analog quantity gets over limit value switching, above-mentioned intake, quantity of state combinational logic editor and the status switch switching received and control instruction
Deng.
(4) the electrical floor data of all test modes of main testing scheme is inherited from testing scheme, and presses feeder switch
The electrical floor data of terminal is adjusted matching, mainly has：
AC power frequency secondary voltage Uab, Ucb, Uac, Uo parameter of distribution terminal electric state, PT power supply and measurement are unified
It is realized using feeder line Work condition analogue device at scene；
Secondary current Ia, Ib, Ic, Io, phase angle ∠ Uab ∧ Ia, ∠ Ucb ∧ Ic, work frequency F etc. electrical installations parameter number
According to；
The adjustment of relay protection constant value：Current ration IⅠ、IⅡ、IⅢAnd time definite value tⅠ、tⅡ、tⅢDeng protection definite value parameter；
The proprietary definite value adjustment of feeder automation mode：
Such as voltage-time type X time limit, Y time limit, XL time limit, YL time limit, reclosing are delayed the time limit；
Such as voltage-to-current time type X time limit, Y time limit, XL time limit, YL time limit, reclosing are delayed the time limit；
Parameter voltages upper limit Umax, lower voltage limit Umin, upper current limit Imax, lower current limit are compared in electrical installation operation
Imin etc..
The electrical operating condition detection collaboration of feeder line at feeder switch terminal tests implementation method and is：
Main tester detects the voltage at feeder switch by PT, learns turning for crucial test mode by voltage
It changes；
When the state trip when test proceeds to outlet switch, closed a floodgate, pass through the PT to feeder switch terminal from tester
Voltage monitoring, the test mode are synchronous with main tester state realization；
When the test mode such as occurred with main tester failure, the parameter configuration and main test of testing scheme are pressed from tester
Instrument is synchronous to apply fault current；
Such as the test mode that failure occurs, the feeder line decompression when feeder line outlet switch overcurrent tripping is detected from tester
This place switch PT decompression immediately turns off fault current output, accomplishes synchronous with main tester；
Such as reclosing test mode in the case of permanent fault, when feeder line outlet switch reclosing feeder line obtain it is electric, from tester
It detects that this place switch PT has pressure, exports fault current immediately, accomplish synchronous with main tester from tester.
And so on, by testing scheme and feeder voltage detection means, realize synchronous with main tester from tester
Test.
Feeder line outlet switch does not have the test mode of switch changed position, is realized and is synchronized by delay time or timing.
The voltage-time type on the spot type feed line automatization system field-checking transmission FA full-automatic testing method include with
Lower step：
Step 100, the testing scheme of current corresponding segmentation/interconnection switch is obtained from cloud platform or main tester；
Step 101, check testing scheme in related state parameter setting whether the definite value with live feeder switch terminal
It is consistent：As various test mode parameters whether and the feeder switch terminal definite value that is tested malfunction its electric current for being consistent, applying
Whether size and duration are greater than terminal overcurrent definite value and trouble duration definite value, each state switching criterion (timing, delay
Time, voltage criterion, electric current criterion, intake criterion, combinational logic criterion) it is whether corresponding with input etc..
Step 102, check whether the residual voltage definite value verified and selected in testing scheme is consistent with live feeder switch terminal.
Step 103, the current circuit connections for disconnecting feeder line outlet switch protective device and live feeder switch terminal, will present
Line outlet switch protective device accesses the current loop of main tester.
Step 104, the connecting cable of live PT power supply and distribution terminal is disconnected, PT feed cable is forwarded to from test
Instrument, then it is connected to distribution terminal.
Step 105, check whether telemetry is reasonable in line feed terminals, the remote signalling position such as a position of the switch, distant place/on the spot is
No correct, whether line feed terminals are normal to the breaking-closing operating on the spot of switch, check software on the spot with line feed terminals debugging tool
The movement of control switch divide-shut brake is correct.
Step 106, check whether telemetry is consistent with line feed terminals in main website, a position of the switch, distant place/with regard to position is
No consistent with line feed terminals, whether remote signalling displacement, SOE can correctly upload, and main website is to the breaking-closing operating on the spot of feeder switch
It is no normal, and it includes logical for executing the performance indicators such as time to telemetering variation uplink time, remote signalling displacement uplink time, remote control command
Letter situation is tested；
Step 107, main tester simulates feeder terminal transient fault, to fault section section upstream switch terminal primary
Y time non-faulting border detection function of sending a telegram here during reclosing after X time-delay closing time, combined floodgate and be not latched processing function into
Row test；
Step 108, feeder line segmentation permanent fault test：
A, outlet switch injects overcurrent, outlet switch tripping disengagement failure electric current, outlet after short delay to main tester
Switch is overlapped for the first time, and each block switch successively closes a floodgate, and outlet switch is to main test after fault section upstream boundary switch closes a floodgate
Instrument re-injects overcurrent, and outlet switch trips again cuts off failure, and upstream boundary switch is latched because of power loss in the Y time limit, therefore
Slave tester at barrier section downstream boundary block switch simulates residual voltage of sending a telegram here in short-term, and switch should be latched；
B, second of coincidence, each block switch successively close a floodgate after outlet switch long delay, fault section upstream boundary switch
It should be at locked position of coupler not close a floodgate, upstream restores electricity；
C, interconnection switch closes a floodgate after the delay of side power loss, and related block switch successively closes a floodgate, fault section downstream boundary
Switch should be at locked position of coupler and not close a floodgate, and downstream restores electricity；
D, separating brake is operated in interconnection switch terminal, at fault section upstream demarcation switch, downstream demarcation switch terminal
Successively operation is closed a floodgate, and restores normal power supply, and blocking automatically terminates.
Step 109, permanent fault test successively is carried out to each segmentation by step 108, completing voltage-time type, type is presented on the spot
Line automation protection is examined and the automatic test of FA.
The voltage-to-current time type on the spot open by type feed line automatization system field-checking transmission FA full-automatic testing method
Before beginning, it is also desirable to carry out device configuration, configuration method is：(1) main tester is configured at feeder line outlet switch protective device；
(2) it configures at feeder line segmentation and interconnection switch terminal from tester.
Type feed line automatization system field-checking is driven FA full-automatic testing method packet to the voltage-to-current time type on the spot
Include following steps：
Step 200, the testing scheme of current corresponding segmentation/interconnection switch is obtained from cloud platform or main tester；
Step 201, check testing scheme in related state parameter setting whether the definite value with live feeder switch terminal
It is consistent：Such as whether various test mode parameters be consistent with tested feeder switch terminal definite value, applies malfunction, its electric current is big
Whether the small and duration is greater than terminal overcurrent definite value and trouble duration definite value, each state switching criterion (when timing, delay
Between, voltage criterion, electric current criterion, intake criterion, combinational logic criterion) it is whether corresponding with input etc..
Step 202, check that the residual voltage definite value selected in testing scheme is consistent with live feeder switch terminal.
Step 203, the current circuit connections for disconnecting outlet switch protective device and live feeder switch terminal, outlet is opened
Close the current loop that protective device accesses main tester.
Step 204, the connecting cable of live PT power supply and distribution terminal is disconnected, PT feed cable is forwarded to from test
Instrument, then it is connected to distribution terminal；The current loop of the live feeder switch terminal of disconnection, will be from tester to the circuit CT of distribution terminal
Current loop be connected to distribution terminal, notice whether the circuit CT has open-circuit-protection.
Step 205, check whether telemetry is reasonable in line feed terminals, the remote signalling position such as a position of the switch, distant place/on the spot is
No correct, whether line feed terminals are normal to the breaking-closing operating on the spot of switch, check software on the spot with line feed terminals debugging tool
Whether the movement of control switch divide-shut brake is correct.
Step 206, check whether telemetry is consistent with line feed terminals in main website, a position of the switch, distant place/with regard to position is
No consistent with line feed terminals, whether remote signalling displacement, SOE can correctly upload, and main website is to the breaking-closing operating on the spot of feeder switch
It is no normal, and it includes logical for executing the performance indicators such as time to telemetering variation uplink time, remote signalling displacement uplink time, remote control command
Letter situation is tested；
Step 207, main tester simulates feeder terminal transient fault, to fault section section upstream switch terminal primary
Y time non-faulting border detection function of sending a telegram here during reclosing after X time-delay closing time, combined floodgate and be not latched processing function into
Row test；
Step 208, feeder line segmentation permanent fault test：
A, outlet switch injects overcurrent to main tester, infuses at each line feed terminals in fault section upstream from tester is synchronous
Enter overcurrent, outlet switch tripping disengagement failure electric current, outlet switch is overlapped for the first time after short delay, and each block switch successively closes
Lock, outlet switch re-injects overcurrent to main tester after fault section upstream boundary switch closes a floodgate, and outlet switch is jumped again
Lock cuts off failure, upstream boundary switch power loss locking in the Y time limit, the slave tester mould at fault section downstream boundary block switch
Quasi- residual voltage of sending a telegram here in short-term, switch should be latched；
B, second of coincidence, each block switch successively close a floodgate after outlet switch long delay, fault section upstream boundary switch
It should be at locked position of coupler not close a floodgate, upstream restores electricity；
C, interconnection switch closes a floodgate after the delay of side power loss, and related block switch successively closes a floodgate, fault section downstream boundary
Switch should be at locked position of coupler and not close a floodgate, and downstream restores electricity；
D, separating brake is operated in interconnection switch terminal, at fault section upstream demarcation switch, downstream demarcation switch terminal
Successively operation is closed a floodgate, and restores normal power supply, and blocking automatically terminates.
Step 209, permanent fault test successively is carried out to each segmentation by step 208, completes voltage-to-current time type on the spot
Type feeder automation protection is examined and the automatic test of FA.
The full protection for feed line adjusting verification of type feeder automation is driven the full-automatic testing side FA to state's net self-adaptation type on the spot
The testing scheme establishment of method, device configuration, specific testing procedure are identical as voltage-to-current time type, need to work by self-adaptation type
Parameter carries out strategy parameter configuration.
The feeder automation intelligent tester includes project edit host computer and the next single-chip microcontroller, including electric current electricity
Pressure power output unit, input and output unit, have voltage detection unit, have the function with cloud platform communication, can and present
Wiretap operating condition adaptive modeling device is communicated and is controlled it.
Referring to Fig. 3, the feeder switch operating condition adaptive modeling device in the present invention include single-chip microcontroller, programmable logic array,
Liquid crystal display, input/output interface circuit, feeder line Work condition analogue circuit, self adaptive control interface circuit and power circuit,
Externally input power supply is converted to suitable voltage by the power circuit, for the single-chip microcontroller, programmable logic array, liquid crystal
Display unit, input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control interface circuit use.
The single-chip microcontroller is electrically connected with liquid crystal display, input/output interface circuit and programmable logic array,
The feeder line Work condition analogue circuit and self adaptive control interface circuit are all connected with the programmable logic array.The single-chip microcontroller
Carry out data communication by RS485 or WiFi mode and feeder automation intelligent tester, the feeder line Work condition analogue circuit with
External PT power supply and measured terminal is electrically connected, and the self adaptive control interface circuit is electrically connected with measured terminal, described defeated
Enter output interface circuit to be electrically connected with measured terminal.
It include AC/DC, DC/DC level shifting circuit in the power circuit referring to Fig. 4, which will be from tested
The power supply of DC24~220V/AC220V/380V of terminal input is converted to 0/5V power supply, is input in the single-chip microcontroller.It is described
There are multiple delay units, the signal by level conversion is input in the delay unit, the programmable logic in single-chip microcontroller
There is switchtype coding and decoding circuit and switch operation control logic circuit, the switchtype coding and decoding circuit in array
For the selection state of Control Cooling switching switch, the input terminal of the type switching switch is connected to the output of the delay unit
End, when type switching switch is in different switching states, the delay unit is to be connected to different switch operation control to patrol
Collect circuit, i.e., the adaptive interface circuit for switching to needs.
The self adaptive control interface circuit is substantially relay, the relay by programmable logic array control,
Input terminal is connect with the output end of switch operation control logic circuit, the control circuit connection of output end and measured terminal.Work as institute
State type switching switching be connected to needs switch operation control logic circuit when, the relay also will switch operation control
Logic circuit processed is connect with measured terminal, realizes the adaptive interface of operation control circuit.
The various circuit breaker type panel switches of preprogramming and various on-load switch types are matched in the programmable logic array
The control logic of electromagnetic operating mechanism, spring operating mechanism, the permanent-magnet operating mechanism of electric switch etc..The single-chip microcontroller receives feeder line
The switchtype control instruction and switch the data such as divide-shut brake delay that automatic intelligent tester is sent, are sent to after parsing
The programmable logic array, the programmable logic array pass through switchtype coding and decoding circuit control type after receiving information
Switch the switching state of switch.
The programmable logic array can be extended at any time the switchtype not having with online programming, with
It forms the switch needed and operates control logic circuit.
Referring to Fig. 5, also there is fault type state to control decoder, the fault type shape in the programmable logic array
State control decoder is used to control the state of fault type switching switch.When single-chip microcontroller receives malfunction characteristic,
The programmable logic array is sent to after parsing, which controls decoder control by fault type state
Fault type switches switching to the state needed.
Feeder line Work condition analogue circuit essence is also relay, the relay by programmable logic array control,
Input terminal is electrically connected with the output end of fault type switching switch, and output end is electrically connected with the secondary of malfunction transformer, therefore
Primary and the PT power electric connection of barrier state transformer.When fault type switching switching to the state needed, after
Fault type switching switch is also connected to the different location of malfunction transformer secondary coil by electric appliance, so that the failure shape
State transformer is in different no-load voltage ratios, and then controls PT power supply and export to the voltage of the measured terminal, to simulate scene
Feeder line is normal and the electrical operating condition of various feeder lines of failure.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (3)
1. type feed line automatization system field-checking is driven FA full-automatic testing method on the spot, which is characterized in that this method includes
Type feed line automatization system field-checking is driven FA full-automatic testing method, voltage-to-current time type just to voltage-time type on the spot
Ground type feed line automatization system field-checking is driven FA full-automatic testing method and the type feeder automation on the spot of state's net self-adaptation type
The step of full protection for feed line adjusting verification transmission FA full-automatic testing method, latter two method, is identical；
Above-mentioned three kinds of methods before start, are required to configure equipment, configuration method is：(1) it is protected in feeder line outlet switch
Feeder automation intelligent tester is configured at protection unit, tester work enables operating mode, referred to as main tester main；
(2) feeder switch operating condition adaptive modeling device is configured at feeder line segmentation and interconnection switch terminal, simulator work exists
Slave operation mode, referred to as from tester；
Type feed line automatization system field-checking transmission FA full-automatic testing method includes following step to the voltage-time type on the spot
Suddenly：
The testing scheme of current corresponding segmentation/interconnection switch is obtained from cloud platform or main tester；
Related state parameter setting in exact p-value scheme is consistent with the definite value of live feeder switch terminal, and testing scheme
After the residual voltage definite value of middle selection is consistent with live feeder switch terminal, disconnects outlet switch protective device and live feeder switch is whole
Outlet switch protective device is accessed the current loop of main tester by the current circuit connections at end, then by live PT power supply with
The connecting cable of distribution terminal disconnects, and PT feed cable is forwarded to from tester, then is connected to distribution terminal；
After completing the distant verification of line feed terminals three, the distant verification of main website three, the test of feeder line transient fault, progress is successively respectively segmented to feeder line
Permanent fault test, completing voltage-time type, type feed line automatization system field-checking is driven FA full-automatic testing on the spot；
The voltage-to-current time type on the spot type feed line automatization system field-checking transmission FA full-automatic testing method include with
Lower step：
The testing scheme of current corresponding segmentation/interconnection switch is obtained from cloud platform or main tester；
Related state parameter setting in exact p-value scheme is consistent with live feeder switch terminal definite value, and in testing scheme
After the residual voltage definite value of selection is consistent with live feeder switch terminal, outlet switch protective device and live feeder switch terminal are disconnected
Current circuit connections, by outlet switch protective device access it is main enable tester current loop, then by live PT power supply with match
The connecting cable of electric terminals disconnects, and PT feed cable is forwarded to from tester, then is connected to distribution terminal, simultaneously switches off live feeder line
The current loop of switch terminal will be connected to distribution terminal from the current loop of tester to the circuit CT of distribution terminal；
Complete line feed terminals three it is distant verification, main website three it is distant verification and feeder line transient fault test after, successively feeder line is respectively segmented into
The test of row permanent fault, completing voltage-to-current time type, type feed line automatization system field-checking transmission FA is automatically surveyed on the spot
Examination；
Wherein, the feeder switch operating condition adaptive modeling device include single-chip microcontroller, programmable logic array, liquid crystal display,
Input/output interface circuit, feeder line Work condition analogue circuit and self adaptive control interface circuit；
The single-chip microcontroller is electrically connected with liquid crystal display, input/output interface circuit and programmable logic array, described
Feeder line Work condition analogue circuit and self adaptive control interface circuit are electrically connected with the programmable logic array, the feeder line operating condition
Analog circuit is electrically connected with external PT power supply and measured terminal, and the self adaptive control interface circuit is electrically connected with measured terminal
It connects, the input/output interface circuit is electrically connected with measured terminal.
2. type feed line automatization system field-checking is driven FA full-automatic testing method on the spot as described in claim 1, special
Sign is that type feed line automatization system field-checking is driven the feedback in FA full-automatic testing method to the voltage-time type on the spot
Line is segmented permanent fault test, specifically includes：
A, outlet switch injects overcurrent, outlet switch tripping disengagement failure electric current, outlet switch after short delay to main tester
Be overlapped for the first time, each block switch successively closes a floodgate, after fault section upstream boundary switch closes a floodgate outlet switch to main tester again
Secondary injection overcurrent, outlet switch trips again cuts off failure, and upstream boundary switch is latched because of power loss in the Y time limit, faulty section
Slave tester at section downstream boundary block switch simulates residual voltage of sending a telegram here in short-term, and switch should be latched；
B, second of coincidence, each block switch successively close a floodgate after outlet switch long delay, and fault section upstream boundary switch should be located
It does not close a floodgate in locked position of coupler, upstream restores electricity；
C, interconnection switch closes a floodgate after the delay of side power loss, and related block switch successively closes a floodgate, fault section downstream boundary switch
It should be at locked position of coupler not close a floodgate, downstream restores electricity；
D, separating brake is operated in interconnection switch terminal, at fault section upstream demarcation switch, downstream demarcation switch terminal successively
Operation is closed a floodgate, and normal power supply is restored, and blocking automatically terminates.
3. type feed line automatization system field-checking is driven FA full-automatic testing method on the spot as described in claim 1, special
Sign is that the voltage-to-current time type is on the spot in type feed line automatization system field-checking transmission FA full-automatic testing method
Feeder line segmentation permanent fault test, specifically include：
A, outlet switch injects overcurrent to main tester, from tester simultaneous implantation mistake at each line feed terminals in fault section upstream
Electric current, outlet switch tripping disengagement failure electric current, outlet switch is overlapped for the first time after short delay, and each block switch successively closes a floodgate,
Outlet switch re-injects overcurrent to main tester after fault section upstream boundary switch closes a floodgate, and outlet switch trips cut again
Except failure, upstream boundary switch power loss is latched in the Y time limit, and the slave tester simulation at fault section downstream boundary block switch is short
Shi Lai electricity residual voltage, switch should be latched；
B, second of coincidence, each block switch successively close a floodgate after outlet switch long delay, and fault section upstream boundary switch should be located
It does not close a floodgate in locked position of coupler, upstream restores electricity；
C, interconnection switch closes a floodgate after the delay of side power loss, and related block switch successively closes a floodgate, fault section downstream boundary switch
It should be at locked position of coupler not close a floodgate, downstream restores electricity；
D, separating brake is operated in interconnection switch terminal, at fault section upstream demarcation switch, downstream demarcation switch terminal successively
Operation is closed a floodgate, and normal power supply is restored, and blocking automatically terminates.
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