CN106059068A - Architecture of inner bridge connection type intelligent substation process layer - Google Patents
Architecture of inner bridge connection type intelligent substation process layer 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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Abstract
The invention provides an architecture of an inner bridge connection type intelligent substation process layer, comprising an incoming line information collection control device, an inner bridge connection information collection control device, and a main transformer high-backup protection device. The incoming line information collection control device is used for collecting the current information on each incoming line interval and transmitting the current information to the main transformer high-backup protection device. The inner bridge connection information collection control device is used for collecting the current information on each inner bridge connection line interval and transmitting the current information to the main transformer high-backup protection device. A main transformer body information collection control device is used for collecting the current information of the neutral point of a main transformer and transmitting the current information to the main transformer high-backup protection device. The main transformer high-backup protection device makes judgment on the basis of the current of the incoming line, the current of the inner bridge connection line and the current of the neutral point of the main transformer. Therefore, even if a main transformer differential protection device is out of service or is being maintained, grid equipment can still operate safely under the protection of the main transformer high-backup protection device.
Description
Technical Field
The invention relates to the technical field of intelligent substations, in particular to a framework of an inner bridge wiring type intelligent substation process layer.
Background
As an important link of intelligent power grid construction, the project of the intelligent substation is implemented step by adopting a technical scheme of stages and layers. The intelligent substation system structure can be divided into 3 layers, namely a station control layer, a spacing layer and a process layer. The equipment of the process layer comprises primary intelligent equipment, a merging unit, an intelligent terminal and the like, and is used for completing related functions of electric energy distribution, transformation, transmission, measurement, control, metering, state monitoring and the like of the intelligent substation.
The internal bridge connection type is a wiring mode commonly adopted by intelligent substations, main transformer height backup protection in the wiring mode is important supplement of main transformer differential protection, and the internal bridge connection type has the function of protecting the whole transformer, related lines and electrical equipment when the main transformer differential protection is stopped or overhauled. However, in the process layer of the existing internal bridge connection type intelligent substation, the main transformer height backup protection mainly takes the current on the high-voltage side of the main transformer as a judgment basis, and when the current on the high-voltage side of the main transformer is greater than a setting value, the main transformer height backup protection can trip off the related circuit breaker when the differential protection of the main transformer fails, so that the safe and stable operation of a power grid is ensured. However, the judgment basis of the main transformer differential protection is the sum current of incoming line current and inner bridge connection current, and the judgment basis of the main transformer height backup protection is only main transformer high-voltage side current, so that the protection range of the main transformer height backup protection in the process layer of the current inner bridge connection type intelligent substation is far smaller than that of the main transformer differential protection, once the main transformer differential protection is shut down or overhauled, part of power grid equipment (namely, power grid equipment outside the protection range of the main transformer height backup protection) runs unprotected, and the safety of the power system is seriously affected.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the protection range of main transformer height backup protection in the process layer of the inner bridge connection type intelligent substation in the prior art is far smaller than the protection range of main transformer differential protection, and once the main transformer differential protection is shut down or overhauled, part of power grid equipment runs without protection, so that the framework of the process layer of the inner bridge connection type intelligent substation capable of increasing the protection range of the main transformer height backup protection is provided.
Therefore, the invention provides the following technical scheme:
the invention provides a framework of an inner bridge connection type intelligent substation process layer, which comprises the following steps: the system comprises an incoming line information acquisition control device, an inner bridge wiring information acquisition control device, a main transformer body information acquisition control device and a main transformer height backup protection device;
the incoming line information acquisition control device is used for acquiring current information on each incoming line interval and transmitting the current information to the main transformer height backup protection device;
the inner bridge wiring information acquisition control device is used for acquiring current information on each inner bridge wiring interval and transmitting the current information to the main transformer height backup protection device;
the main transformer body information acquisition control device is used for acquiring current information of a neutral point of a main transformer and transmitting the current information to the main transformer backup protection device;
the main transformer high backup protection device is used for taking the received current information on each incoming line interval, the received current information on each inner bridge wiring interval and the received current information of the neutral point of the main transformer as a judgment basis, and accordingly, main transformer high backup protection is provided for the main transformer.
According to the framework of the process layer of the inner bridge connection type intelligent substation, the incoming line information acquisition control device is also used for acquiring position information of all circuit breakers and isolating switches on each incoming line interval and transmitting the position information to the remote control center, and all circuit breakers and isolating switches on the incoming line interval are controlled according to a received first control signal fed back by the remote control center;
the inner bridge connection information acquisition control device is also used for acquiring the position information of all the circuit breakers and isolating switches on each inner bridge connection interval, transmitting the position information to the remote control center, and controlling all the circuit breakers and isolating switches on the inner bridge connection intervals according to a received second control signal fed back by the remote control center;
the main transformer body information acquisition control device is also used for acquiring the position information of the isolating switch of the main transformer neutral point, transmitting the position information to the remote control center and controlling the isolating switch of the main transformer neutral point according to a third control signal fed back by the remote control center.
According to the framework of the process layer of the inner bridge wiring type intelligent substation, the incoming line information acquisition control device comprises an incoming line merging unit and an incoming line intelligence merging integrated unit;
the incoming line merging unit device is used for acquiring partial current information on each incoming line interval;
the incoming line closes intelligent integration unit for gathering each position information of all circuit breakers and disconnectors on the incoming line interval and each current information of the rest part on the incoming line interval, and controls all circuit breakers and disconnectors on the incoming line interval according to the received first control signal.
According to the framework of the process layer of the inner bridge connection type intelligent substation, the inner bridge connection information acquisition control device comprises a bridge merging unit and a bridge intelligent integration unit;
the bridge merging unit is used for collecting partial current information on each inner bridge wiring interval;
the bridge intelligent integration unit is used for collecting position information of all circuit breakers and isolating switches on each inner bridge line interval and current information of the rest part on each inner bridge line interval and controlling all circuit breakers and isolating switches on the inner bridge line interval according to the received second control signal.
According to the framework of the process layer of the internal bridge connection type intelligent substation, the main transformer body information acquisition control device comprises a main transformer body merging unit and a main transformer body intelligent terminal;
the main transformer body merging unit is used for acquiring current information of a neutral point of the main transformer;
and the main transformer body intelligent terminal is used for acquiring the position information of the isolating switch of the main transformer neutral point and controlling the isolating switch of the main transformer neutral point according to the received third control signal.
The framework of the process layer of the internal bridge connection type intelligent substation further comprises the following steps: a main transformer body protection device;
the main transformer body intelligent terminal is also used for acquiring body information of the main transformer;
the main transformer body protection device is used for taking the received body information of the main transformer as a judgment basis, and accordingly, main transformer body protection is provided for the main transformer.
According to the framework of the process layer of the internal bridge connection type intelligent substation, the main transformer body protection device is integrated in the main transformer body intelligent terminal.
The framework of the process layer of the internal bridge connection type intelligent substation further comprises the following steps: the low-voltage incoming line information acquisition control device and the main transformer low backup protection device;
the low-voltage incoming line information acquisition control device is used for acquiring current information on a low-voltage side incoming line interval of each main transformer and transmitting the current information to the main transformer low backup protection device;
the main transformer low backup protection device is used for taking the received current information on the low-voltage side wiring line interval of the main transformer as a judgment basis, and accordingly, the main transformer is provided with main transformer low backup protection.
According to the framework of the process layer of the inner bridge connection type intelligent substation, the low-voltage incoming line information acquisition control device is further used for acquiring position information of all circuit breakers and isolating switches on the low-voltage side incoming line intervals of each main transformer and transmitting the position information to the remote control center, and all circuit breakers and isolating switches on the low-voltage side incoming line intervals of each main transformer are controlled according to a received fourth control signal fed back by the remote control center.
According to the framework of the process layer of the inner bridge wiring type intelligent substation, the low-voltage incoming wire information acquisition control device comprises a low-voltage incoming wire merging unit and a low-voltage incoming wire intelligent merging integrated unit;
the low-voltage incoming line merging unit is used for collecting partial current information on a low-voltage side incoming line interval of each main transformer;
the low-voltage incoming line intelligent integrated unit is used for acquiring position information of all circuit breakers and isolating switches on an incoming line interval of the low-voltage side of each main transformer and current information of the rest part on the incoming line interval of the low-voltage side of each main transformer, and controlling all the circuit breakers and isolating switches on the incoming line interval of the low-voltage side of each main transformer according to the received third control signal.
The technical scheme of the invention has the following advantages:
the invention provides a framework of an inner bridge connection type intelligent substation process layer, which comprises the following steps: inlet wire information acquisition controlling means, inner bridge wiring information acquisition controlling means and main high reserve protection device that becomes. And the incoming line information acquisition control device is used for acquiring current information on each incoming line interval and transmitting the current information to the main transformer height backup protection device. And the inner bridge wiring information acquisition control device is used for acquiring current information on each inner bridge wiring interval and transmitting the current information to the main transformer height backup protection device. The main transformer body information acquisition control device is used for acquiring current information of a neutral point of a main transformer and transmitting the current information to main transformer backup protection. The judgment basis of the main transformer high backup protection device is incoming line current, sum current of inner bridge connection line current and current of a main transformer neutral point, so that even if main transformer differential protection is stopped or overhauled, power grid equipment can safely operate under the protection of the main transformer high backup protection device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram showing a specific example of the architecture of the process layer of the inter-bridged intelligent substation according to the embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a specific example of the architecture of the process layer of the inter-bridged intelligent substation in the embodiment of the present invention.
Reference numerals:
1-incoming line information acquisition control device; 2-an inner bridge wiring information acquisition control device; 3, a main transformer body information acquisition control device; 4-main transformer high backup protection device; 5-main transformer body protection device; 6-low voltage incoming line information acquisition control device; 7-main transformer low backup protection device; 11-an incoming line merging unit; 12-an incoming line intelligence integration unit; 21-bridge merging unit; 22-bridge intelligence integration unit; 31-main transformer body merging unit; 32-a main transformer body intelligent unit; 61-low voltage incoming line merging unit; 62-low voltage wire-feeding intelligent integrated unit.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
The embodiment provides a framework of an internal bridge type intelligent substation process layer, as shown in fig. 1, including: inlet wire information acquisition controlling means 1, inner bridge wiring information acquisition controlling means 2, main transformer body information acquisition controlling means 3 and main high back-up protection device 4 that becomes.
And the incoming line information acquisition control device 1 is used for acquiring current information on each incoming line interval and transmitting the current information to the main transformer height backup protection device 4.
And the inner bridge wiring information acquisition control device 2 is used for acquiring current information on each inner bridge wiring interval and transmitting the current information to the main transformer height backup protection device 4.
The main transformer body information acquisition control device 3 is used for acquiring current information of a neutral point of a main transformer and transmitting the current information to the main transformer backup protection device 4.
And the main transformer high backup protection device 4 is used for taking the received current information on each incoming line interval, the received current information on each internal bridging line interval and the received current information of the neutral point of the main transformer as a judgment basis, so as to provide main transformer high backup protection for the main transformer. Specifically, the main transformer height backup protection device 4 may use the sum of the current information on the incoming line interval, the current information on the internal bridge line interval, and the current information of the main transformer neutral point as the judgment basis of the main transformer height backup protection device 4. The specific judgment process is as follows:
wherein,for incoming line information acquisition control dressSet 1 the current collected on each incoming line interval,for the current at each inter-bridge wiring interval collected by the inter-bridge wiring information collection control means 2,the current of the neutral point of the main transformer is acquired by the main transformer body information acquisition control device 3. When in useOrIn the process, the main transformer high backup protection device 4 acts to provide main transformer high backup protection for the main transformer, wherein Iy1Threshold, I, is judged for high backup positive sequence currenty2And judging a threshold value for the high backup zero sequence current. Therefore, no matter at the incoming line side, the inner bridge wiring position or the main transformer neutral point wiring position, any power grid equipment has a fault, such as a short circuit, and the current is increased, namely the sum current exceeds the high backup positive sequence current judgment threshold value or the main transformer neutral point current exceeds the high backup zero sequence current judgment threshold value, so that the main transformer high backup protection device 4 can judge that the fault occurs, and control the circuit breaker in the main transformer high backup protection to jump off when the fault occurs, and provide main transformer high backup protection for the main transformer.
In this embodiment, the framework of the inter-bridge connection type intelligent substation process layer is determined according to the incoming line current, the sum current of the inter-bridge connection current, and the current of the neutral point of the main transformer, so that even if the main transformer differential protection is stopped or repaired, the power grid equipment can safely operate under the protection of the main transformer high backup protection device.
Preferably, in the framework of the process layer of the inter-bridge connection type intelligent substation in this embodiment, the incoming line information acquisition control device 1 is further configured to acquire position information of all the circuit breakers and disconnectors on each incoming line interval and transmit the position information to the remote control center, and control all the circuit breakers and disconnectors on the incoming line interval according to a received first control signal fed back by the remote control center.
The inner bridge wiring information acquisition control device 2 is further used for acquiring position information of all the circuit breakers and isolating switches on each inner bridge wiring interval and transmitting the position information to the remote control center, and controlling all the circuit breakers and isolating switches on the inner bridge wiring interval according to a second control signal fed back by the received remote control center.
The main transformer body information acquisition control device 3 is also used for acquiring the position information of the isolating switch of the main transformer neutral point and transmitting the position information to the remote control center, and the isolating switch of the main transformer neutral point is controlled according to a third control signal fed back by the remote control center. Specifically, the remote control center can respectively send a first control signal, a second control signal and a third control signal to the incoming line information acquisition control device 1, the internal bridge wiring information acquisition control device 2 and the main transformer body information acquisition control device 3 to control the corresponding circuit breakers and disconnectors according to the received position information of all circuit breakers and disconnectors on each incoming line interval, the position information of all circuit breakers and disconnectors on each internal bridge wiring interval and the position information of a disconnector of a transformer neutral point, and according to the power grid operation control requirements, realize the remote control function of the incoming line end, the internal bridge wiring end and the main transformer.
Preferably, as shown in fig. 2, in the architecture of the inter-bridged intelligent substation process layer in this embodiment, the incoming line information acquisition control device 1 further includes an incoming line merging unit 11 and an incoming line intelligence integration unit 12.
And the incoming line merging unit device 11 is used for acquiring partial current information on each incoming line interval. Specifically, any existing merging unit can be selected as the incoming merging unit device 11 to implement the above functions.
And the incoming line intelligent integration unit 12 is used for acquiring position information of all the circuit breakers and isolating switches on each incoming line interval and current information of the rest part on each incoming line interval, and controlling all the circuit breakers and isolating switches on the incoming line interval according to the received first control signal. Specifically, any existing intelligent integration device (integration device of the merging unit and the intelligent terminal) can be selected as the incoming intelligent integration unit 12 to implement the above functions. In addition, because the merging unit is lower in cost than the intelligent integrated device, the merging unit is only needed to be installed for the incoming line part which only needs to collect current and does not need to be correspondingly controlled, and for the part which needs to be controlled, such as the part comprising the circuit breaker and the disconnecting switch, the intelligent integrated device is needed to be installed to collect the position information of the circuit breaker and the disconnecting switch and control the circuit breaker and the disconnecting switch according to the corresponding control signal fed back by the remote control center.
The framework of the inner bridge connection type intelligent substation process layer in the embodiment realizes the functions of corresponding acquisition, remote control and the like by selecting the incoming line merging unit 11 and the incoming line intelligent integration unit 12, greatly reduces the number of devices in the intelligent substation, and saves space.
Preferably, in the framework of the process layer of the internal-bridge-type intelligent substation in the present embodiment, the internal-bridge-line information collection control device 2 further includes a bridge merging unit 21 and a bridge intelligence integration unit 22.
And the bridge merging unit 21 is used for collecting partial current information on each internal bridge wire interval.
And the bridge intelligence integration unit 22 is used for acquiring position information of all the circuit breakers and disconnecting switches on each internal bridge wiring interval and current information of the rest part on each internal bridge wiring interval, and controlling all the circuit breakers and disconnecting switches on the internal bridge wiring intervals according to the received second control signal.
The framework of the process layer of the internal bridge connection type intelligent substation in the embodiment realizes the functions of corresponding acquisition, remote control and the like by selecting the bridge merging unit 21 and the bridge intelligent integration unit 22, greatly reduces the number of devices in the intelligent substation, and saves space.
Preferably, in the framework of the process layer of the internal-bridge-connection-type intelligent substation in this embodiment, the main transformer body information acquisition control device 3 further includes a main transformer body merging unit 31 and a main transformer body intelligent terminal 32.
And the main transformer body merging unit 31 is used for acquiring current information of a neutral point of the main transformer.
And the main transformer body intelligent terminal 32 is used for acquiring the position information of the isolating switch of the neutral point of the main transformer and controlling the isolating switch of the neutral point of the main transformer according to the received third control signal.
The framework of the process layer of the internal bridge connection type intelligent substation in the embodiment realizes the functions of corresponding acquisition, remote control and the like by selecting the main transformer body merging unit 31 and the main transformer body intelligent terminal 32, greatly reduces the number of devices in the intelligent substation, and saves space.
Preferably, the architecture of the inter-bridged intelligent substation process layer in this embodiment further includes: the main transformer body protection device 5.
The main transformer body intelligent terminal 32 is further used for collecting body information of the main transformer.
And the main transformer body protection device 5 is used for taking the received body information of the main transformer as a judgment basis, and accordingly, main transformer body protection is provided for the main transformer. Specifically, main transformer body protection device 5 can judge whether the electric current takes place the skew according to the body information of the main transformer that main transformer body intelligent terminal 32 gathered, if take place the skew, can control the isolator in the main transformer body and jump off, provides the body protection to the main transformer, has ensured the safe operation of main transformer.
Preferably, in the framework of the process layer of the internal-bridge-type intelligent substation in this embodiment, the main transformer body protection device 5 is integrated in the main transformer body intelligent terminal 32. Further saving space.
Preferably, the architecture of the inter-bridged intelligent substation process layer in this embodiment further includes: the low-voltage incoming line information acquisition control device 6 and the main transformer low backup protection device 7.
And the low-voltage incoming line information acquisition control device 6 is used for acquiring current information on the low-voltage side incoming line interval of each main transformer and transmitting the current information to the main transformer low backup protection device 7.
And the main transformer low backup protection device 7 is used for taking the received current information on the low-voltage side wiring line interval of each main transformer as a judgment basis, and accordingly, main transformer low backup protection is provided for the main transformers. Specifically, when the current information on the low-voltage side wiring line interval of each main transformer exceeds a setting value, the main transformer low backup protection device 7 can judge that the low-voltage side of the main transformer breaks down, and then control the circuit breaker in the main transformer low backup protection range to trip, so that main transformer low backup protection is provided for the main transformer, and the safe operation of the power grid equipment is further ensured.
Preferably, in the framework of the process layer of the inter-bridge intelligent substation in this embodiment, the low-voltage incoming line information collection control device 6 is further configured to collect position information of all circuit breakers and disconnectors on the low-voltage incoming line interval of each main transformer and transmit the position information to the remote control center, and control all circuit breakers and disconnectors on the low-voltage incoming line interval of each main transformer according to a fourth control signal fed back by the received remote control center. Specifically, the remote control center can send a fourth control signal to the low-voltage incoming line information acquisition control device 6 according to the received position information of all the circuit breakers and the isolating switches on the incoming line interval at the low-voltage side of each main transformer and the power grid operation control requirement, so as to control the corresponding circuit breakers and the isolating switches, and realize the remote control function.
Preferably, in the architecture of the inter-bridge connection type intelligent substation process layer in this embodiment, the low-voltage incoming line information acquisition control device 6 further includes a low-voltage incoming line merging unit 61 and a low-voltage incoming line intelligent integration unit 62.
And the low-voltage incoming line merging unit 61 is used for collecting partial current information on the low-voltage side incoming line interval of each main transformer.
And the low-voltage incoming line intelligent integrated unit 62 is used for acquiring position information of all circuit breakers and isolating switches on the low-voltage side incoming line interval of each main transformer and current information of the rest part on the low-voltage side incoming line interval of each main transformer, and controlling all circuit breakers and isolating switches on the low-voltage side incoming line interval of each main transformer according to the received third control signal.
The framework of the process layer of the inner bridge connection type intelligent substation in the embodiment realizes the functions of corresponding acquisition, remote control and the like by selecting the low-voltage incoming line merging unit 61 and the low-voltage incoming line merging integrated unit 62, greatly reduces the number of devices in the intelligent substation, and saves space.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. An architecture of an inter-bridging intelligent substation process layer, comprising: the system comprises an incoming line information acquisition control device (1), an inner bridge wiring information acquisition control device (2), a main transformer body information acquisition control device (3) and a main transformer high backup protection device (4);
the incoming line information acquisition control device (1) is used for acquiring current information on each incoming line interval and transmitting the current information to the main transformer substation backup protection device (4);
the inner bridge wiring information acquisition control device (2) is used for acquiring current information on each inner bridge wiring interval and transmitting the current information to the main high-backup protection device (4);
the main transformer body information acquisition control device (3) is used for acquiring current information of a neutral point of a main transformer and transmitting the current information to the main transformer high backup protection device (4);
and the main transformer high backup protection device (4) is used for taking the received current information on each incoming line interval, the received current information on each internal bridging line interval and the received current information of the neutral point of the main transformer as a judgment basis, so as to provide main transformer high backup protection for the main transformer.
2. The inter-bridged intelligent substation process level architecture of claim 1, characterized in that:
the incoming line information acquisition control device (1) is also used for acquiring position information of all circuit breakers and isolating switches on each incoming line interval and transmitting the position information to a remote control center, and controlling all circuit breakers and isolating switches on the incoming line interval according to a received first control signal fed back by the remote control center;
the inner bridge wiring information acquisition control device (2) is also used for acquiring the position information of all the circuit breakers and isolating switches on each inner bridge wiring interval, transmitting the position information to the remote control center, and controlling all the circuit breakers and isolating switches on the inner bridge wiring intervals according to a received second control signal fed back by the remote control center;
the main transformer body information acquisition control device (3) is also used for acquiring the position information of the isolating switch of the main transformer neutral point and transmitting the position information to the remote control center, and the isolating switch of the main transformer neutral point is controlled according to a third control signal fed back by the remote control center.
3. The architecture of the inter-bridging intelligent substation process layer according to claim 2, wherein the incoming line information acquisition control device (1) comprises an incoming line merging unit (11) and an incoming line intelligent integration unit (12);
the incoming line merging unit device (11) is used for acquiring partial current information on each incoming line interval;
the incoming line closes intelligent integration unit (12), be used for gathering each position information and each of all circuit breakers and isolator on the incoming line circuit interval the current information of remaining part on the incoming line circuit interval, and according to receiving first control signal control all circuit breakers and isolator on the incoming line circuit interval.
4. The architecture of the inter-bridging intelligent substation process layer according to claim 2, characterized in that the inter-bridging information collection control device (2) comprises a bridge merging unit (21) and a bridge intelligence integration unit (22);
the bridge merging unit (21) is used for collecting partial current information on each internal bridge wire interval;
and the bridge intelligent integration unit (22) is used for acquiring the position information of all the circuit breakers and isolating switches on each inner bridge line interval and the current information of the rest part on each inner bridge line interval, and controlling all the circuit breakers and isolating switches on the inner bridge line interval according to the received second control signal.
5. The architecture of the inter-bridged intelligent substation process layer according to claim 2, wherein the main transformer body information acquisition control device (3) comprises a main transformer body merging unit (31) and a main transformer body intelligent terminal (32);
the main transformer body merging unit (31) is used for collecting current information of a neutral point of the main transformer;
and the main transformer body intelligent terminal (32) is used for acquiring the position information of the isolating switch of the main transformer neutral point and controlling the isolating switch of the main transformer neutral point according to the received third control signal.
6. The inter-bridged intelligent substation process level architecture of claim 5, further comprising: a main transformer body protection device (5);
the main transformer body intelligent terminal (32) is also used for acquiring body information of the main transformer;
and the main transformer body protection device (5) is used for taking the received body information of the main transformer as a judgment basis, and accordingly, the main transformer body protection is provided for the main transformer.
7. The architecture of the inter-bridged intelligent substation process layer according to claim 6, characterized in that the main substation body protection device (5) is integrated within the main substation body smart terminal (32).
8. The architecture of the inter-bridged intelligent substation process layer according to any one of claims 1-7, further comprising: the low-voltage incoming line information acquisition control device (6) and the main transformer low backup protection device (7);
the low-voltage incoming line information acquisition control device (6) is used for acquiring current information on a low-voltage side incoming line interval of each main transformer and transmitting the current information to the main transformer-down backup protection device (7);
and the main transformer-down backup protection device (7) is used for taking the received current information on the low-voltage side wiring line interval of the main transformer as a judgment basis, and accordingly, main transformer-down backup protection is provided for the main transformer.
9. The inter-bridged intelligent substation process level architecture of claim 8, wherein;
the low-voltage incoming line information acquisition control device (6) is also used for acquiring position information of all circuit breakers and isolating switches on the low-voltage side incoming line interval of each main transformer, transmitting the position information to the remote control center, and controlling all circuit breakers and isolating switches on the low-voltage side incoming line interval of each main transformer according to a received fourth control signal fed back by the remote control center.
10. The architecture of the inter-bridging intelligent substation process layer according to claim 9, wherein the low voltage incoming line information collection control device (6) comprises a low voltage incoming line merging unit (61) and a low voltage incoming line intelligence integration unit (62);
the low-voltage incoming line merging unit (61) is used for collecting partial current information on a low-voltage side incoming line interval of each main transformer;
and the low-voltage incoming line intelligent integrated unit (62) is used for acquiring position information of all circuit breakers and isolating switches on an incoming line interval at the low-voltage side of each main transformer and current information of the rest part on the incoming line interval at the low-voltage side of each main transformer, and controlling all the circuit breakers and isolating switches on the incoming line interval at the low-voltage side of each main transformer according to the received third control signal.
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