CN207133415U - A kind of digitlization real-time simulation platform suitable for fault detector automatic detection - Google Patents
A kind of digitlization real-time simulation platform suitable for fault detector automatic detection Download PDFInfo
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Abstract
A kind of digitlization real-time simulation platform suitable for fault detector automatic detection, it is provided with：Emulation backstage, carry out the operation selection of detection project list；Electric power digital real-time simulator, the operational order of bulleted list is received, detection project is emulated by simulation model；Simulation of SAR power image platform, the simulated current and voltage data that electric power digital real-time simulator is exported are amplified by current power amplifier and voltage power amplifier respectively, and the electric current after amplification and voltage-drop loading are subjected to malfunction coefficient to up-flow device, the increasing apparatus of Simulation of SAR power image platform interior according to the fault detector that up-flow device assembles；Interchanger, realize the data transfer between emulation backstage and electric power digital real-time simulator.It can simulate with the different ground connection method of operation of pseudo center point and apply signal generator outside, it is possible to achieve the outer performance detection for applying signal distribution line failure indicator.
Description
Technical field
Fault detector detection technique field is the utility model is related to, is applied to fault detector certainly more particularly to one kind
The digitlization real-time simulation platform of dynamic detection.
Background technology
With the increasing of domestic urban and rural power grids construction and upgrading paces, the scale of power distribution network is continued to develop, middle press-fitting
Electric network coverage also constantly expands, and the quantity of overhead transmission line and cable run also steeply rises.With National Development and Reform Committee, energy
Source office increasingly payes attention to distribution network automated construction, distribution network reliability and power distribution network management etc. is proposed higher
Requirement.But power distribution network scale is big for a long time, weak foundation, existing power distribution network management relies primarily on manpower and removes maintenance line
With search failure, and distribution network line branch is more, and the method for operation is complicated, and the management service workload of circuit is very big, inquiry
Failure wastes time and energy, and power supply reliability is relatively low.
Now circuit is detected using fault detector mostly at present, but the fault detector installed has many not
Foot, mainly fault misdescription and the problem of failing to report, the efficiency of line walking work is reduced, also results in a large amount of economy directly or indirectly
Loss.Therefore distribution line failure indicator is only by strict identification, it is ensured that equipment quality, competence exertion its determine in failure
Effect in terms of position, raising power supply reliability and power distribution network intelligent level.
Therefore, imitated in real time in view of the shortcomings of the prior art, providing a kind of digitlization suitable for fault detector automatic detection
True platform is very necessary to solve the deficiencies in the prior art.
Utility model content
The purpose of this utility model is solve the deficiencies in the prior art part and provide one kind and be applied to fault detector
The digitlization real-time simulation platform of automatic detection, should be suitable for the digitlization real-time simulation platform reality of fault detector automatic detection
The automatic detection of existing distribution line failure device indicating, it is ensured that fault detector reliable in quality, reduce device testing staff's
Repeated work intensity, lifting device factory testing, type approval test detection, network the efficiency detected, promotes the peace of distribution network system
Steady operation.
Above-mentioned purpose of the present utility model is realized by following technological means.
A kind of digitlization real-time simulation platform suitable for fault detector automatic detection is provided, is provided with：
Emulation backstage, the modeling for completing l-G simulation test model and the operation selection for carrying out detection project list；
Electric power digital real-time simulator, the real time execution of detection test model is completed, receive detection project list
Operational order, complete the automatic running of detection project；
Simulation of SAR power image platform, the simulated current that electric power digital real-time simulator is exported and voltage data pass through respectively
Current power amplifier and voltage power amplifier are amplified, and the electric current after amplification and voltage-drop loading to Simulation of SAR power image are put down
Up-flow device and increasing apparatus inside platform, complete a variety of operations of power distribution network, the dynamic realtime simulation of fault condition；
Interchanger, realize the data transfer between emulation backstage and electric power digital real-time simulator；
GTAO, it is analog output card, realizes the voltage of electric power digital real-time simulator, current data conversion
Into analog output；
Emulation backstage is connected by the netting twine port of interchanger with electric power digital real-time simulator, electric power digital
The output end of real-time simulator connects GTAO by the fiber port of interchanger, and GTAO passes through connection Simulation of SAR power image platform
The output end point of internal current power amplifier and voltage power amplifier, current power amplifier and voltage power amplifier
Up-flow device and increasing apparatus are not connected to, are flowed up and are equipped with indicator on device.
Specifically, the simulation model is provided with the total road of feeder line, the A termination transformation transformers on the total road of feeder line
PT, the A ends connecting signal source S1 on the total road of feeder line, the A ends on the total road of feeder line by the A ends of breaker BrkT connection grounding transformers,
The B ends of grounding transformer are connected in parallel to breaker BrkL and breaker BrkR, the breaker BrkL series inductances L ground connection,
Signal source generator is applied in the breaker BrkR series resistances R ground connection, the A ends on the total road of feeder line by the way that breaker BrkWS connections are outer.
Preferably, the total road of the feeder line is provided with：
Cable run feeder line branch road, is provided with breaker Brk1, and breaker Brk1 A ends connect the voltage transformer
PT, breaker Brk1 B ends connection Current Transmit 1, Current Transmit 1 connect load by cable run；
Joint line feeder line branch road, is provided with breaker Brk2, and breaker Brk2 A ends connect the voltage transformer
PT, breaker Brk2 B ends connection Current Transmit 2, Current Transmit 2 passes sequentially through overhead transmission line and cable run connects
Load；
Overhead transmission line feeder line branch road, is provided with breaker Brk3, and breaker Brk3 A ends connect the voltage transformer
PT, breaker Brk3 B ends connection Current Transmit 3, Current Transmit 3 connect load by overhead transmission line.
Specifically, the overhead transmission line feeder line branch road is at least 3, and the length of 3 overhead transmission line feeder line branch roads
It is different.
Further, the current power amplifier is provided with multigroup current interface, the corresponding connection one of every group of current interface
Device is flowed up, the up-flow device is mounted with fault detector, voltage probe, the voltage probe are equipped with fault detector
It is connected to the output end of high-voltage generator, the output of the input connection voltage power amplifier of the high-voltage generator
End, the N-terminal ground connection of high-voltage generator.
Further, the IA interfaces connection up-flow device A of current power amplifier one end, the current power are put
The N interfaces connection up-flow device A of the big device other end, up-flow device A are equipped with the first indicator, and the first indicator passes through voltage
Probe A connection high-voltage generator UA pin, the ua pin of the Ua pin connection voltage power amplifier of high-voltage generator, high voltage hair
The N pin of raw device and voltage power amplifier are grounded；
The IB interfaces connection up-flow device B of current power amplifier one end, the other end of the up-flow device B connect
The N interfaces of current power amplifier are connect, up-flow device B is equipped with the second indicator, and the second indicator is connected by voltage probe B
High-voltage generator UB pin, the ub pin of the Ub pin connection voltage power amplifier of high-voltage generator；
The IC interfaces connection up-flow device C of current power amplifier one end, the other end of the up-flow device C connect
The N interfaces of current power amplifier are connect, up-flow device C is equipped with the 3rd indicator, and the 3rd indicator is connected by voltage probe C
High-voltage generator UC pin, the uc pin of the Uc pin connection voltage power amplifier of high-voltage generator.
Preferably, the interchanger is connected with electric power digital real-time simulator and emulation backstage respectively by netting twine,
The GTAO is connected by fibre circuit with electric power digital real-time simulator, by circuit respectively with current power amplifier
Connected with voltage power amplifier.
Further, the output voltage of the voltage transformer pt and high-voltage generator is 10kV.
Specifically, the interchanger is imitated with the electric power digital real-time simulator, the interchanger with described
Very it is to be bi-directionally connected from the background.
Preferably, the up-flow device is multiturn loading coil.
The utility model can ensure the precision of power distribution network Transient simulation, it is possible to achieve multi-phase power distribution network difference work
Analogue simulation under condition, can also realize fault detector automatic detection experiment, while the emulation platform also remain it is higher
Cost performance, improve the operating efficiency of manufacturer and coherent detection unit.
Brief description of the drawings
The utility model is further described using accompanying drawing, but the content in accompanying drawing is not formed to of the present utility model
Any restrictions.
Fig. 1 is a kind of hardware of digitlization real-time simulation platform suitable for fault detector automatic detection of the utility model
System diagram.
Fig. 2 is the inside simulation model system figure of Fig. 1 electric power digital real-time simulators.
Embodiment
The utility model is further described with the following Examples.
Embodiment 1.
As shown in Figure 1-2, a kind of digitlization real-time simulation platform suitable for fault detector automatic detection, is provided with：
Emulation backstage, carry out the operation selection of detection project list.
Emulation backstage is substantially carried out point of the modeling of distribution network system, the operation of automatic testing software and simulation waveform
The work such as analysis.
Bulleted list can be divided into conventional func test list, earth fault test list, power current impact test list
With apply signal testing list outside.
Include identical short-circuit fault test, earth fault zero-sequence current simulated test, circuit in conventional func test list to dash forward
Load experiment, the non-faulting lock that coincides that shoves is closed to shove experiment, artificial switching high-power test etc..
Earth fault test list includes the experiment of isolated neutral system earth fault, neutral by arc extinction coil grounding
System earth Test to Failure, Neutral Point Through Low Resistance system earth Test to Failure etc..
The list of power current impact test includes identical short-circuit fault test after power current impacts, after power current impact
Earth fault experiment etc..
Applying signal testing list outside includes resistance switching method experiment in transformer station, the experiment of asymmetric current method, power frequency feature
Signalling experiment etc..
Electric power digital real-time simulator, the operational order of bulleted list is received, by simulation model to detection project
Emulated.
Electric power digital real-time simulator is the electricity with independent intellectual property right based on Matlab/Simulink exploitations
Force system digitizes real-time simulator, can simulate the various operating conditions of power distribution network, and emulation and the RTDS of its transient process are emulated
Contrast, there is the uniformity of height.
Simulation of SAR power image platform, the electric current and voltage data that electric power digital real-time simulator is exported pass through electric current respectively
Power amplifier and voltage power amplifier are amplified, and by the electric current after amplification and voltage-drop loading into Simulation of SAR power image platform
Up-flow, increasing apparatus, complete power distribution network it is a variety of operation, fault condition dynamic realtime simulation.
Interchanger, interchanger, realize the data transfer between emulation backstage and electric power digital real-time simulator.
GTAO, it is analog output card, realizes the voltage of electric power digital real-time simulator, current data conversion
Into analog output.
Emulation backstage is connected by the netting twine port of interchanger with electric power digital real-time simulator, electric power digital
The output end of real-time simulator connects GTAO respectively by the fiber port of interchanger, and GTAO is put down by connection Simulation of SAR power image
The output end of current power amplifier and voltage power amplifier inside platform, current power amplifier and voltage power amplifier
It is respectively connecting to flow up device and increasing apparatus, flows up and be equipped with indicator on device and increasing apparatus.
Up-flow device is multiturn loading coil.
What current power amplifier and voltage power amplifier real-time reception electric power digital real-time simulator were sent
Current Voltage simulation numerical, output distribution line current magnitude of voltage, realize distribution through flowing up device and high-voltage generator respectively
The real simulation of line voltage distribution, the sub-value of electric current one.
Fault detector to judge the running status of circuit, and is made by gathering distribution circuit electric voltage, current value variable quantity
Go out corresponding response.The use of fault detector detection circuit running status is the field common technology means, fault detector is
The known device in the field, not in this to go forth.
Simulation model is provided with the total road of feeder line, the A termination transformation transformer PT on the total road of feeder line, the A ends connection on the total road of feeder line
Signal source S1, the A ends on the total road of feeder line pass through the A ends of breaker BrkT connection grounding transformers, the B ends parallel connection of grounding transformer
Breaker BrkL and breaker BrkR, breaker BrkL series inductances L ground connection are connected with, breaker BrkR series resistances R is grounded,
Signal source generator is applied by the way that breaker BrkWS connections are outer in the A ends on the total road of feeder line.
A plurality of feeder line branch road is included in the total road of the feeder line, feeder line branch road can be configured to different types of overhead line or electricity
Cable road.Can also the different ground connection method of operation of pseudo center point, while can also simulate and outer apply signal generator, Ke Yishi
The now outer performance detection for applying signal distribution line failure indicator.
The central point of traditional transformer will not be typically grounded, but can be realized by the control of breaker in the program more
Kind earthing mode：
Breaker BrkT and breaker BrkR is turned on, is grounded in series resistance.
Conducting breaker BrkT and breaker BrkL is in series inductance ground connection.
Conducting breaker BrkT, breaker BrkR and breaker BrkL are in resistance-inductance earth.
Cut-off breaker BrkT, breaker BrkR and breaker BrkL are in and are directly grounded.
In order that simulation result is truer, more press close to the high tension voltage now used.Voltage transformer pt and high voltage
The output voltage of generator is 10KV.
The total road of feeder line is provided with：
Cable run feeder line branch road, breaker Brk1 is provided with, breaker Brk1 A ends connection voltage transformer pt, is broken
Road device Brk1 B ends connection Current Transmit 1, Current Transmit 1 are connected to load by cable run.
Joint line feeder line branch road, breaker Brk2 is provided with, breaker Brk2 A ends connection voltage transformer pt, is broken
Road device Brk2 B ends connection Current Transmit 2, Current Transmit 2 passes sequentially through overhead transmission line and cable run be connected to it is negative
Carry.
Overhead transmission line feeder line branch road, breaker Brk3 is provided with, breaker Brk3 A ends connection voltage transformer pt, is broken
Road device Brk3 B ends connection Current Transmit 3, Current Transmit 3 are connected to load by overhead transmission line.
Overhead transmission line feeder line branch road is at least 3, and the length of 3 overhead transmission line feeder line branch roads is different.
By breaker corresponding to controlling different feeder line branch roads, the running status of the feeder line branch road can be controlled.
K1-K11 is different trouble point, and each trouble point can be configured to different fault types.
Emulation backstage can be stored automatically to test waveform.
Current power amplifier is provided with multigroup current interface, one up-flow device of the corresponding connection of every group of current interface, up-flow
Fault detector is mounted on device, voltage probe is equipped with fault detector, voltage probe is connected to high-voltage generator
Output end, the output end of the input connection voltage power amplifier of high-voltage generator, the N-terminal ground connection of high-voltage generator.
The utility model can ensure the precision of power distribution network Transient simulation, it is possible to achieve multi-phase power distribution network difference work
Analogue simulation under condition, can also realize fault detector automatic detection experiment, while the emulation platform also remain it is higher
Cost performance, improve the operating efficiency of manufacturer and coherent detection unit.
Embodiment 2.
A kind of digitlization real-time simulation platform suitable for fault detector automatic detection, further feature and the phase of embodiment 1
Together, difference is：As shown in figure 1, current power amplifier is provided with 3 groups of current interfaces, the IA of current power amplifier connects
Mouth connection up-flow device A one end, the N interfaces connection up-flow device A of the current power amplifier other end, flows up device A dresses
Equipped with the first indicator, the first indicator passes through voltage probe A connection high-voltage generator UA pin, the Ua pin of high-voltage generator
The N pin of the ua pin of connection voltage power amplifier, high-voltage generator and voltage power amplifier are grounded.
The IB interfaces connection up-flow device B of current power amplifier one end, up-flow device B other end connection electric current work(
The N interfaces of rate amplifier, up-flow device B are equipped with the second indicator, and the second indicator is sent out by voltage probe B connections high voltage
Raw device UB pin, the ub pin of the Ub pin connection voltage power amplifier of high-voltage generator.
The IC interfaces connection up-flow device C of current power amplifier one end, up-flow device C other end connection electric current work(
The N interfaces of rate amplifier, up-flow device C are equipped with the 3rd indicator, and the 3rd indicator is sent out by voltage probe C connections high voltage
Raw device UC pin, the uc pin of the Uc pin connection voltage power amplifier of high-voltage generator.
It should be noted that the analogue simulation under three-phase distribution net difference operating mode can be realized, it is ensured that distribution line emulates
On the premise of system has transient characterisitics, flexibly modification analogue system grid structure and the parameter of high accuracy, with low cost
Mode realize building for distribution line failure indicator simulation test platform, the emulation platform can realize fault detector
The real-time simulation of various operating conditions.
Embodiment 3.
A kind of digitlization real-time simulation platform suitable for fault detector automatic detection, further feature and the phase of embodiment 1
Together, difference is：As shown in Fig. 2 overhead transmission line is provided with 3, it is respectively：
First overhead transmission line feeder line branch road, overhead transmission line overall length are L1, it is provided with breaker Brk3, breaker Brk3 A
End connection voltage transformer pt, breaker Brk3 B ends connection Current Transmit 3, Current Transmit 3 pass through overhead transmission line
It is connected to load.
Second overhead transmission line feeder line branch road, overhead transmission line overall length are L2, it is provided with breaker Brk4, breaker Brk4 A
End connection voltage transformer pt, breaker Brk4 B ends connection Current Transmit 4, Current Transmit 4 pass through overhead transmission line
It is connected to load.
3rd overhead transmission line feeder line branch road, overhead transmission line overall length are L3, it is provided with breaker Brk5, breaker Brk5 A
End connection voltage transformer pt, breaker Brk5 B ends connection Current Transmit 5, Current Transmit 5 pass through overhead transmission line
It is connected to load.
L1、L2、L3Between length it is different.It should be noted that the feeder line branch different by adding three length
Road, be advantageous to the strain for a variety of different situations, make detection data truer, more accurately.
Embodiment 4.
A kind of digitlization real-time simulation platform suitable for fault detector automatic detection, further feature and the phase of embodiment 1
Together, difference is：Interchanger is connected with electric power digital real-time simulator and emulation backstage respectively by netting twine, is exchanged
Machine is connected with electric power digital real-time simulator, current power amplifier and voltage power amplifier respectively by fibre circuit
Connect.
Interchanger is to be bi-directionally connected with electric power digital real-time simulator, interchanger and emulation backstage.
It should be noted that more stable rapid for the data transfer of equipment room, the program is real in electric power digital
When emulator and emulation backstage between connected in the form of netting twine, in interchanger respectively between electric power digital real-time simulator
Connected using fibre circuit.
Finally it should be noted that above example is only illustrating the technical solution of the utility model rather than to this practicality
The limitation of novel protected scope, although being explained in detail with reference to preferred embodiment to the utility model, the common skill of this area
Art personnel should be appreciated that and the technical solution of the utility model can be modified or equivalent substitution, without departing from this practicality
The spirit and scope of new technique scheme.
Claims (10)
1. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection, it is characterised in that be provided with：
Emulation backstage, the modeling for completing l-G simulation test model and the operation selection for carrying out detection project list；
Electric power digital real-time simulator, the real time execution of detection test model is completed, receive the operation of detection project list
Instruction, complete the automatic running of detection project；
Simulation of SAR power image platform, the electric current and voltage data that electric power digital real-time simulator is exported pass through current power respectively
Amplifier and voltage power amplifier are amplified, and by the liter in the electric current after amplification and voltage-drop loading to Simulation of SAR power image platform
Stream, increasing apparatus, complete a variety of operations of power distribution network, the dynamic realtime simulation of fault condition；
Interchanger, realize the data transfer between emulation backstage and electric power digital real-time simulator；
GTAO, it is analog output card, realizes and the voltage of electric power digital real-time simulator, current data are converted into mould
Analog quantity exports；
Emulation backstage is connected by the netting twine port of interchanger with electric power digital real-time simulator, and electric power digital is real-time
The output end of emulator connects GTAO by the fiber port of interchanger, and GTAO passes through the electricity in connection Simulation of SAR power image platform
The output end of stream power amplifier and voltage power amplifier, current power amplifier and voltage power amplifier is respectively connecting to
Device and increasing apparatus are flowed up, flows up and is equipped with fault detector on device and increasing apparatus.
2. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 1, its
It is characterised by：The simulation model is provided with the total road of feeder line, the A termination transformation transformer PT on the total road of feeder line, the feeder line
The A ends connecting signal source S1 on total road, the A ends on the total road of feeder line are grounded transformation by the A ends of breaker BrkT connection grounding transformers
The B ends of device are connected in parallel to breaker BrkL and breaker BrkR, the breaker BrkL series inductances L ground connection, the open circuit
Device BrkR series resistances R is grounded, and signal source generator is applied in the A ends on the total road of feeder line by the way that breaker BrkWS connections are outer.
3. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 2, its
It is characterised by：The total road of feeder line is provided with：
Cable run feeder line branch road, is provided with breaker Brk1, and breaker Brk1 A ends connect the voltage transformer pt, broken
Road device Brk1 B ends connection Current Transmit 1, Current Transmit 1 are connected to load by cable run；
Joint line feeder line branch road, is provided with breaker Brk2, and breaker Brk2 A ends connect the voltage transformer pt, broken
Road device Brk2 B ends connection Current Transmit 2, Current Transmit 2 passes sequentially through overhead transmission line and cable run be connected to it is negative
Carry；
Overhead transmission line feeder line branch road, is provided with breaker Brk3, and breaker Brk3 A ends connect the voltage transformer pt, broken
Road device Brk3 B ends connection Current Transmit 3, Current Transmit 3 are connected to load by overhead transmission line.
4. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 3, its
It is characterised by：The overhead transmission line feeder line branch road is at least 3, and the length of 3 overhead transmission line feeder line branch roads is different.
5. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 4, its
It is characterised by：The current power amplifier is provided with multigroup current interface, and the corresponding connection of every group of current interface one flows up device,
The up-flow device is mounted with fault detector, and voltage probe, the voltage probe are equipped with the device for fault indicator
It is connected to the output end of high-voltage generator, the output of the input connection voltage power amplifier of the high-voltage generator
End, the N-terminal ground connection of high-voltage generator.
6. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 5, its
It is characterised by：The IA interfaces connection up-flow device A of current power amplifier one end, the N of the current power amplifier
The interface connection up-flow device A other end, up-flow device A are equipped with the first indicator, and the first indicator is connected by voltage probe A
Connect high-voltage generator UA pin, the ua pin of the Ua pin connection voltage power amplifier of high-voltage generator, high-voltage generator and
The N pin of voltage power amplifier are grounded；
The IB interfaces connection up-flow device B of current power amplifier one end, the other end connection electricity of the up-flow device B
The N interfaces of power amplifier are flowed, up-flow device B is equipped with the second indicator, and the second indicator passes through the high electricity of voltage probe B connections
Press generator UB pin, the ub pin of the Ub pin connection voltage power amplifier of high-voltage generator；
The IC interfaces connection up-flow device C of current power amplifier one end, the other end connection electricity of the up-flow device C
The N interfaces of power amplifier are flowed, up-flow device C is equipped with the 3rd indicator, and the 3rd indicator passes through the high electricity of voltage probe C connections
Press generator UC pin, the uc pin of the Uc pin connection voltage power amplifier of high-voltage generator.
7. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 6, its
It is characterised by：The interchanger is connected with electric power digital real-time simulator and emulation backstage respectively by netting twine, described
GTAO is connected by fibre circuit with electric power digital real-time simulator, by circuit respectively with current power amplifier and
Voltage power amplifier connects.
8. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 7, its
It is characterised by：The output voltage of the voltage transformer pt and high-voltage generator is 10KV.
9. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 8, its
It is characterised by：The interchanger and the electric power digital real-time simulator, the interchanger and the emulation backstage are
It is bi-directionally connected.
10. a kind of digitlization real-time simulation platform suitable for fault detector automatic detection according to claim 9, its
It is characterised by：The up-flow device is multiturn loading coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720963112.6U CN207133415U (en) | 2017-08-03 | 2017-08-03 | A kind of digitlization real-time simulation platform suitable for fault detector automatic detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720963112.6U CN207133415U (en) | 2017-08-03 | 2017-08-03 | A kind of digitlization real-time simulation platform suitable for fault detector automatic detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219488A (en) * | 2017-08-03 | 2017-09-29 | 许昌开普检测技术有限公司 | A kind of digitlization real-time simulation platform suitable for fault detector automatic detection |
| CN109521331A (en) * | 2018-12-18 | 2019-03-26 | 国网重庆市电力公司电力科学研究院 | A kind of power distribution network applies the automatization test system of signal generation apparatus outside |
-
2017
- 2017-08-03 CN CN201720963112.6U patent/CN207133415U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219488A (en) * | 2017-08-03 | 2017-09-29 | 许昌开普检测技术有限公司 | A kind of digitlization real-time simulation platform suitable for fault detector automatic detection |
| CN109521331A (en) * | 2018-12-18 | 2019-03-26 | 国网重庆市电力公司电力科学研究院 | A kind of power distribution network applies the automatization test system of signal generation apparatus outside |
| CN109521331B (en) * | 2018-12-18 | 2021-01-29 | 国网重庆市电力公司电力科学研究院 | Automatic test system of power distribution network external signal generating device |
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