CN106452751B - Mining high-voltage power grid definite value transmission method based on quantum entanglement and channel self checking - Google Patents
Mining high-voltage power grid definite value transmission method based on quantum entanglement and channel self checking Download PDFInfo
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- CN106452751B CN106452751B CN201610930604.5A CN201610930604A CN106452751B CN 106452751 B CN106452751 B CN 106452751B CN 201610930604 A CN201610930604 A CN 201610930604A CN 106452751 B CN106452751 B CN 106452751B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
- H04L9/0855—Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/18—Network architectures or network communication protocols for network security using different networks or channels, e.g. using out of band channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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Abstract
The invention discloses the mining high-voltage power grid definite value transmission methods based on quantum entanglement and channel self checking, engineer station and electric power monitoring system complete the safe transmission of data by multiple quantum routers in this method, and quantum entanglement channel is established between engineer station and electric power monitoring system；Then, the safe transmission of relay protection constant value is completed based on the quantum entanglement channel having built up and channel self checking function；Mining high-voltage power grid definite value transmission method proposed by the present invention based on quantum entanglement and channel self checking, prevents the third party from eavesdropping by using quantum entanglement characteristic on the basis of guaranteeing data normal transmission, it is ensured that electric power data safety.Meanwhile by introducing channel self checking function, resource consumption is tangled in reduction.
Description
Technical field
The invention discloses the mining high-voltage power grid definite value transmission methods based on quantum entanglement and channel self checking, belong to coal
Field is arranged in mine high voltage supply network relay protection constant value.
Background technique
2014, document " quantum key skill upgrading electric system secondary protection safety research " analytic demonstration quantum
Feasibility of the cipher key technique in conjunction with Power Secondary guard system；Then, propose that a kind of quantum key dispatching system is indulged with electric power
To the specific combination of encryption authentication device, and inquires into and set up the realization of wide area electric power quantal data network in electric system
Scheme and networking thinking, but it is not directed to how using the safeties of quantum communications relay protection constant value is realized in internet
Safe transmission.
In mining high-voltage power grid, electric power monitoring system by substation can complex protection device directly to high-voltage switch gear complete
The functions such as relay protection constant value setting.It is electric although can be realized the setting of relay protection constant value by electric power monitoring system
Power monitoring system is usually without relay protection constant value computing function, and the calculating of mining high-voltage electric grid relay protection constant value can
It is completed with being calculated by relay protection constant value with administrative engineer station (abbreviation engineer station).In order to realize relay protection
The automatic setting of definite value is currently mostly that value data is completed between engineer station and electric power monitoring system by network
Transmission.Engineer station and electric power monitoring system are likely located at a place, it is also possible to a good distance off；When relay protection constant value data
When passing through network transmission, the value data transmitted there is the possibility being ravesdropping.It is fixed in order to which relay protection is effectively ensured
Value Data is not eavesdropped by other people, it is ensured that mining high-voltage electric network data safety.In document, " mine based on quantum teleportation is high
A kind of mining high-voltage electric-network relay protection based on quantum teleportation is proposed in voltage electric grid relay protection constant value setting method "
Definite value setting method, this method can be realized the safe transmission of value data, but its definite value by using the characteristic of quantum entanglement
Setting up procedure is complex, needs to consume and more tangles resource；Meanwhile being also not set out how to pass through multichannel in the publication
Quantum entanglement channel is established between engineer station and electric power monitoring system by device；In order to realize value data biography safely
It on the basis of defeated, be further reduced and tangle resource consumption, the invention proposes mining based on quantum entanglement and channel self checking
High-voltage fence relay protection constant value transmission method, by using quantum entanglement characteristic, on the basis of guaranteeing data normal transmission,
Prevent the third party from eavesdropping, it is ensured that electric power data safety.Meanwhile by introducing channel self checking function, resource consumption is tangled in reduction.
Summary of the invention
Engineer station and electric power monitoring system complete the safe transmission of data, network topology knot by multiple quantum routers
Structure is as shown in Fig. 1, and quantum entanglement channel is established between engineer station and electric power monitoring system, and specific step is as follows:
Step 1: engineer station and electric power monitoring system select a paths to complete from mulitpath according to routing rule
Quantum information transmission, it is assumed that quantum router R1, quantum router R2, quantum router R3, quantum road are passed through in the path of selection
By device R4, quantum router R5, engineer station passes through classical channel and sends IP datagram text to electric power monitoring system, request and electricity
Power monitoring system establishes quantum entanglement channel；
Step 2: quantum router R1 is generatedTo tangling particle pairWith, wherein, generation tangles grain
Son is to state to engineer station and R2, the particle that tangles of generation is distributed to；Quantum router R3
It generatesTo tangling particle pairWith, wherein, the particle that tangles of generation tangles to R2 and R4, generation is distributed to
Particle is to state；Quantum router R5 is generatedTo tangling particle pairWith, wherein, the particle that tangles of generation is to state to R4 and electric power monitoring system, the particle that tangles of generation is distributed to；Wherein,；
Step 3: tangling particle、、、、WithComposition system:
；
R2 tangles particle to what is receivedWithThe measurement of Bell base is carried out, then above formula is rewritten as
It is assumed that is selected is, then particle is tangled after measuringWithState is, system collapses are as follows:
；
R4 tangles particle to what is receivedWithThe measurement of Bell base is carried out, then above formula is rewritten as
It is assumed that is selected is, then particle is tangled after measuringWithState is, tangle particleWith
Realization is tangled, and entangled quantum channel is established between engineer station and electric power monitoring system.
After engineer station completes relay protection calculating, need that relay protection constant value is arranged automatically.Firstly, engineering
Teacher, which stands, to need to establish a TCP connection between electric power monitoring system, and wherein engineer station is as client, electric power monitoring system
As server；Then, relay protection constant value is completed based on the quantum entanglement channel having built up and channel self checking function
Safe transmission, the specific steps are as follows:
Step 1: engineer station carries out relay protection constant value setting for certain complex protection device, it is assumed that the complex protection device is corresponding
Substation number and complex protection device number indicate with A and B respectively, calculate the quick-break definite value of acquisition, timed over-currents definite value, overload definite value,
Timed over-currents delay value and overload delay value obtain amplified quick-break definite value D multiplied by 10001, timed over-currents definite value D2、
Overload definite value D3, timed over-currents delay value D4With overload delay value D5, control word D6It indicates, D6Two bytes are occupied, only
Have first 3 it is significant, first 3 be respectively intended to indicate quick-break investment, timed over-currents investment and overload investment；In first 3 if
Numerical value is 1, then it represents that the corresponding protection investment of this, if numerical value is 0, then it represents that the corresponding protection of this is not put into；In terms of
Obtained D1- D612 byte value datas be content to be verified, according to CRC algorithm generate 16 bits CRC fixed value checking
Sequence D7；Fixed value checking sequence D7For 2 bytes；
Step 2: being directed to D1- D7The data of total 112 bits, electric power monitoring system are made respectively for the data of 112 bits
Standby 112 corresponding particlesIf theA bit is 0, then the particle being preparedState is；If theA ratio
Specially for 1, then the particle that is preparedState is；The particle state being prepared is usedIt indicates,,；Then
；
Step 3: engineer station is by be prepared 112 particles() and engineer station side save 112
It is a do not measured tangle particle() the Bell state measurement is done respectively, four measured kind possible state is、、With, the different conditions measured every time can indicate with 2 classical bit informations, state
It is indicated with classical bit 01, stateIt is indicated with classical bit 11, stateIt is indicated with classical bit 00, stateWith
Classical bit 10 indicates, is measured the classical information of rear available 224 bits；
Step 4: format being set according to definite value shown in table 1 using the metrical information of 224 obtained bits as definite value content
It is packaged into a TCP message and is sent to electric power monitoring system；Wherein, data length field is 28 bytes, the low word of data length L
Section is 0x1C, and data length L high byte is 0x00；
Step 5: electric power monitoring system is parsed to message is received, if the TCP message data portion received
3rd byte is equal to 0x01, then shows that this message is relay protection constant value setting command；Message lattice are arranged in definite value according to table 1
Formula, electric power monitoring system parse the data information of 224 bits from the message received, according to suitable as unit of two bits
224 bits are divided into 112 pairs by sequence, and every centering includes two bits；If receiveNumerical value to bit is 00, then to electricity
Not measured the saved in power monitoring systemIt is a to tangle particleExecute corresponding Unitary transformation,；
If receiveIt is 01 to the numerical value of bit, then to not measured the saved in electric power monitoring systemIt is a to tangle particleExecute corresponding Unitary transformation,；If receiveNumerical value to bit is 10, then to power monitoring
Not measured the saved in systemIt is a to tangle particleExecute corresponding Unitary transformation,；If
ReceivedIt is 11 to the numerical value of bit, then to not measured the saved in electric power monitoring systemIt is a to tangle particle
Execute corresponding Unitary transformation,；And to transformed each particle according to basic vectorWithIt is surveyed
Amount, measurement result areIndicate that corresponding bits are 0；Measurement result isIndicate that corresponding bits are 1；It may finally obtain 14
Data are arranged in the definite value of byte, wherein most latter two byte is fixed value checking sequence, are indicated with Q；
Step 6: 16 definite values are calculated based on CRC algorithm as verification object with the data of preceding 12 bytes of acquisition
H is compared by verification sequence H with Q；If identical, content shown in table 2 is packaged into a TCP and reported by electric power monitoring system
Text is sent to engineer station, indicates that definite value is sent successfully, executes step 7；If it is different, definite value transmission error, power monitoring system
Content shown in table 3 is packaged into a TCP message and is sent to engineer station by system, is indicated that definite value sends error, is repeated step
Rapid 1；
Step 7: engineer station sends definite value and solidifies message, is led to by electric power monitoring system to the definite value solidification message received
Existing electric power monitoring system function is crossed to come into operation to the definite value of setting.
Detailed description of the invention
Fig. 1 is quantum communication network topology diagram.
Specific embodiment
Engineer station and electric power monitoring system complete the safe transmission of data by multiple quantum routers, in engineer station
Quantum entanglement channel is established between electric power monitoring system, and specific step is as follows:
Step 1: engineer station and electric power monitoring system select a paths to complete from mulitpath according to routing rule
Quantum information transmission, it is assumed that quantum router R1, quantum router R2, quantum router R3, quantum road are passed through in the path of selection
By device R4, quantum router R5, engineer station passes through classical channel and sends IP datagram text to electric power monitoring system, request and electricity
Power monitoring system establishes quantum entanglement channel；
Step 2: quantum router R1 is generatedTo tangling particle pairWith, wherein, generation tangles grain
Son is to state to engineer station and R2, the particle that tangles of generation is distributed to；Quantum router R3
It generatesTo tangling particle pairWith, wherein, the particle that tangles of generation tangles to R2 and R4, generation is distributed to
Particle is to state；Quantum router R5 is generatedTo tangling particle pairWith, wherein, the particle that tangles of generation is to state to R4 and electric power monitoring system, the particle that tangles of generation is distributed to；Wherein,；
Step 3: tangling particle、、、、WithComposition system:
；
R2 tangles particle to what is receivedWithThe measurement of Bell base is carried out, then above formula is rewritten as
It is assumed that is selected is, then particle is tangled after measuringWithState is, system collapses are as follows:
；
R4 tangles particle to what is receivedWithThe measurement of Bell base is carried out, then above formula is rewritten as
It is assumed that is selected is, then particle is tangled after measuringWithState is, tangle particleWith
Realization is tangled, and entangled quantum channel is established between engineer station and electric power monitoring system.
After engineer station completes relay protection calculating, need that relay protection constant value is arranged automatically.Firstly, engineering
Teacher, which stands, to need to establish a TCP connection between electric power monitoring system, and wherein engineer station is as client, electric power monitoring system
As server；Then, relay protection constant value is completed based on the quantum entanglement channel having built up and channel self checking function
Safe transmission, the specific steps are as follows:
Step 1: D of the engineer station to be calculated1- D612 byte value datas be content to be verified, according to CRC calculate
Method generates the CRC fixed value checking sequence D of 16 bits7；Fixed value checking sequence D7For 2 bytes；
Step 2: being directed to D1- D7The data of total 112 bits, electric power monitoring system are made respectively for the data of 112 bits
Standby 112 corresponding particlesIf theA bit is 0, then the particle being preparedState is；If theA ratio
Specially for 1, then the particle that is preparedState is；The particle state being prepared is usedIt indicates,,；Then
；
Step 3: engineer station is by be prepared 112 particles() and engineer station side save 112
It is a do not measured tangle particle() the Bell state measurement is done respectively, four measured kind possible state is、、With, the different conditions measured every time can indicate with 2 classical bit informations, state
It is indicated with classical bit 01, stateIt is indicated with classical bit 11, stateIt is indicated with classical bit 00, stateWith
Classical bit 10 indicates, is measured the classical information of rear available 224 bits；
Step 4: format being set according to definite value shown in table 1 using the metrical information of 224 obtained bits as definite value content
It is packaged into a TCP message and is sent to electric power monitoring system；Wherein, data length field is 28 bytes, the low word of data length L
Section is 0x1C, and data length L high byte is 0x00；
Step 5: electric power monitoring system is parsed to message is received, if the TCP message data portion received
3rd byte is equal to 0x01, then shows that this message is relay protection constant value setting command；Message lattice are arranged in definite value according to table 1
Formula, electric power monitoring system parse the data information of 224 bits from the message received, according to suitable as unit of two bits
224 bits are divided into 112 pairs by sequence, and every centering includes two bits；According to the bit value that receives to being protected in electric power monitoring system
Not measured the depositedIt is a to tangle particleExecute corresponding Unitary transformation；And to transformed each particle according to basic vectorWithIt measures, measurement result isIndicate that corresponding bits are 0；Measurement result isIndicate that corresponding bits are 1；Most
Data are arranged in the definite value of available 14 bytes eventually, wherein most latter two byte is fixed value checking sequence, are indicated with Q；
Step 6: 16 definite values are calculated based on CRC algorithm as verification object with the data of preceding 12 bytes of acquisition
H is compared by verification sequence H with Q；If identical, content shown in table 2 is packaged into a TCP and reported by electric power monitoring system
Text is sent to engineer station, indicates that definite value is sent successfully, executes step 7；If it is different, definite value transmission error, power monitoring system
Content shown in table 3 is packaged into a TCP message and is sent to engineer station by system, is indicated that definite value sends error, is repeated step
Rapid 1；
Step 7: engineer station sends definite value and solidifies message, is led to by electric power monitoring system to the definite value solidification message received
Existing electric power monitoring system function is crossed to come into operation to the definite value of setting.
Claims (1)
1. the mining high-voltage power grid definite value transmission method based on quantum entanglement and channel self checking, which is characterized in that described
Definite value transmission method includes the following steps:
Step 11, engineer station and electric power monitoring system complete the safe transmission of data by multiple quantum routers, in engineering
Quantum entanglement channel is established between teacher station and electric power monitoring system；
Step 12, it after engineer station completes relay protection calculating, needs that relay protection constant value is arranged automatically；Firstly,
Engineer station needs to establish a TCP connection between electric power monitoring system, and wherein engineer station is as client, power monitoring
System is as server；Then, relay protection is completed based on the quantum entanglement channel having built up and channel self checking function
The safe transmission of definite value；
In step 11, it is substantially carried out following steps:
Step 111: engineer station and electric power monitoring system select a paths performance according to routing rule from mulitpath
Sub-information transmission, it is assumed that the path of selection is by quantum router R1, quantum router R2, quantum router R3, quantum routing
Device R4, quantum router R5, engineer station pass through classical channel and send IP datagram text to electric power monitoring system, request and electric power
Monitoring system establishes quantum entanglement channel；
Step 112: quantum router R1 is generatedTo tangling particle pairWith, wherein, generation tangles particle
To being distributed to engineer station and R2, the particle that tangles of generation is to state；Quantum router R3 is produced
It is rawTo tangling particle pairWith, wherein, the particle that tangles of generation tangles grain to R2 and R4, generation is distributed to
Son is to state；Quantum router R5 is generatedTo tangling particle pairWith, wherein, the particle that tangles of generation is to state to R4 and electric power monitoring system, the particle that tangles of generation is distributed to；Wherein,；
Step 113: tangling particle、、、、WithComposition system:
；
R2 tangles particle to what is receivedWithThe measurement of Bell base is carried out, then above formula is rewritten as
It is assumed that is selected is, then particle is tangled after measuringWithState is, system collapses are as follows:
；
R4 tangles particle to what is receivedWithThe measurement of Bell base is carried out, then above formula is rewritten as
It is assumed that is selected is, then particle is tangled after measuringWithState is, tangle particleWithIt realizes
It tangles, entangled quantum channel is established between engineer station and electric power monitoring system；
In step 12, it is substantially carried out following steps:
Step 121: engineer station carries out relay protection constant value setting for certain complex protection device, it is assumed that corresponding point of the complex protection device
Station number and complex protection device number are indicated with A and B respectively, are calculated the quick-break definite value of acquisition, timed over-currents definite value, overload definite value, are determined
When overcurrent delay value and overload delay value multiplied by 1000, obtain amplified quick-break definite value D1, timed over-currents definite value D2, mistake
Load definite value D3, timed over-currents delay value D4With overload delay value D5, control word D6It indicates, D6Two bytes are occupied, only
First 3 significant, and first 3 are respectively intended to indicate quick-break investment, timed over-currents investment and overload investment；If number in first 3
Value is 1, then it represents that the corresponding protection investment of this, if numerical value is 0, then it represents that the corresponding protection of this is not put into；To calculate
Obtained D1- D612 byte value datas be content to be verified, according to CRC algorithm generate 16 bits CRC fixed value checking sequence
Arrange D7；Fixed value checking sequence D7For 2 bytes；
Step 122: being directed to D1- D7The data of total 112 bits, electric power monitoring system are prepared respectively for the data of 112 bits
112 corresponding particlesIf theA bit is 0, then the particle being preparedState is；If theA bit
It is 1, then the particle being preparedState is；
Step 123: engineer station is by be prepared 112 particles() and engineer station side save 112
What is do not measured tangles particle() the Bell state measurement is done respectively, four measured kind possible state is、、With, the different conditions measured every time can indicate with 2 classical bit informations, stateWith warp
The expression of allusion quotation bit 01, stateIt is indicated with classical bit 11, stateIt is indicated with classical bit 00, stateWith classics
Bit 10 indicates, is measured the classical information of rear available 224 bits；
Step 124: being arranged using the metrical information of 224 obtained bits as definite value content according to the definite value based on channel self checking
Message format is packaged into a TCP message and is sent to electric power monitoring system；Wherein, data length field is 28 bytes, data
Length L low byte is 0x1C, and data length L high byte is 0x00；
Step 125: electric power monitoring system is parsed to message is received, if the 3rd of the TCP message data portion received the
A byte is equal to 0x01, then shows that this message is relay protection constant value setting command；It is set according to the definite value based on channel self checking
Message format is set, electric power monitoring system parses the data information of 224 bits from the message received, is single with two bits
224 bits are divided into 112 pairs in sequence by position, and every centering includes two bits；If receiveNumerical value to bit is
00, then to not measured the saved in electric power monitoring systemIt is a to tangle particleExecute corresponding Unitary transformation,；If receiveIt is 01 to the numerical value of bit, then it is not measured to what is saved in electric power monitoring system
TheIt is a to tangle particleExecute corresponding Unitary transformation,；If receiveNumerical value to bit is
10, then to not measured the saved in electric power monitoring systemIt is a to tangle particleExecute corresponding Unitary transformation,；If receiveIt is 11 to the numerical value of bit, then it is not measured to what is saved in electric power monitoring system
TheIt is a to tangle particleExecute corresponding Unitary transformation,；And to transformed each particle according to basic vectorWithIt measures, measurement result isIndicate that corresponding bits are 0；Measurement result isIndicate that corresponding bits are 1；Most
Data are arranged in the definite value of available 14 bytes eventually, wherein most latter two byte is fixed value checking sequence, are indicated with Q；
Step 126: 16 definite value schools are calculated based on CRC algorithm as verification object with the data of preceding 12 bytes of acquisition
Sequence H is tested, H is compared with Q；If identical, electric power monitoring system will send content shown in successfully confirmation message format
It is packaged into a TCP message and is sent to engineer station, indicate that definite value is sent successfully, execute step 127；If it is different, definite value passes
Send out wrong, electric power monitoring system, which will send out content shown in wrong confirmation message format and be packaged into a TCP message, is sent to work
Cheng Shizhan indicates that definite value sends error, repeats step 121；
Step 127: engineer station sends definite value and solidifies message, is passed through by electric power monitoring system to the definite value solidification message received
Existing electric power monitoring system function comes into operation to the definite value of setting.
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| CN108270788B (en) * | 2018-01-23 | 2020-11-10 | 河南理工大学 | Method for constructing virtual private network based on quantum invisible state |
| CN111817792A (en) * | 2019-04-10 | 2020-10-23 | 全球能源互联网研究院有限公司 | Quantum remote state transfer system adaptive to power protection service |
| CN111817791B (en) * | 2019-04-10 | 2022-04-29 | 全球能源互联网研究院有限公司 | Quantum remote state transfer device for improving communication safety of power system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1477809A (en) * | 2003-07-11 | 2004-02-25 | 清华大学 | Quantum state classical sequence rearrangement encrypition method in quantum key distribution |
| CN102833809A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Information transmission method for wireless quantum communication network |
| CN104502799A (en) * | 2014-12-16 | 2015-04-08 | 河南理工大学 | Automatic recognition method for short-circuit fault location of mine high voltage distribution network based on quantum communication |
| CN104618031A (en) * | 2015-02-12 | 2015-05-13 | 四川师范大学 | Unknown arbitrary two-particle bidirectional controlled quantum teleportation method |
| CN105633921A (en) * | 2016-01-19 | 2016-06-01 | 河南理工大学 | Quantum communication based relay protection constant value setting method of 35kV power supply system |
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- 2016-10-31 CN CN201610930604.5A patent/CN106452751B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1477809A (en) * | 2003-07-11 | 2004-02-25 | 清华大学 | Quantum state classical sequence rearrangement encrypition method in quantum key distribution |
| CN102833809A (en) * | 2012-08-03 | 2012-12-19 | 东南大学 | Information transmission method for wireless quantum communication network |
| CN104502799A (en) * | 2014-12-16 | 2015-04-08 | 河南理工大学 | Automatic recognition method for short-circuit fault location of mine high voltage distribution network based on quantum communication |
| CN104618031A (en) * | 2015-02-12 | 2015-05-13 | 四川师范大学 | Unknown arbitrary two-particle bidirectional controlled quantum teleportation method |
| CN105633921A (en) * | 2016-01-19 | 2016-06-01 | 河南理工大学 | Quantum communication based relay protection constant value setting method of 35kV power supply system |
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