CN116192564A - Quick control system of energy storage power station based on EtherCAT looped netowrk framework - Google Patents
Quick control system of energy storage power station based on EtherCAT looped netowrk framework Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The invention relates to the technical field of energy storage power station control, and discloses an EtherCAT ring network architecture-based energy storage power station rapid control system, which comprises a monitoring main network, a monitoring standby network, a station control layer, an energy storage power station coordination control system, a coordination control subsystem, a sub-network control system and an energy storage PCS; the station control layer comprises an EMS host and a gateway, wherein the number of the gateway is a plurality of groups, namely a gateway A and a gateway B, the number of the EMS host is a plurality of groups, namely an EMS host A and an EMS host B, and the EMS host A and the EMS host B are connected with a monitoring main network and a monitoring standby network; the energy storage power station coordination control system comprises a coordination controller A and a standby coordination controller B. The invention forms a rapid control system based on the EtherCAT ring network, thereby effectively reducing delay, having synchronous instruction packet, improving PCS control synchronism, reducing communication burden of the exchanger and avoiding broadcast storm risk.
Description
Technical Field
The invention relates to the technical field of energy storage power station control, in particular to an EtherCAT ring network architecture-based energy storage power station rapid control system.
Background
At present, the energy storage power station is used for storing electric energy, namely, a time variable is added to the electric energy used by people in normal times, the electric energy is instantly used by people in the past, the electric energy is instantly balanced, no time factor exists, the energy storage is used for adding the time variable to the electric energy, the wish of the people about when the electric energy is used is achieved, the time variable brings a plurality of benefits to a power grid, the electric energy can be used for peak regulation and frequency modulation of the power grid, the electric energy can be used as an emergency power supply of the power grid, black start is realized, stable output of the electric energy can be realized by matching with unstable new energy, and the energy storage power station needs to operate and needs a matched control system for controlling electricity storage and discharging work and can also be used for monitoring and recording various data.
However, the current rapid control system of the energy storage power station has at least the following defects:
the existing energy storage power station rapid control system only has the capability of signal synchronous transmission, cannot guarantee the signal receiving synchronization rate, has low control instruction receiving and transmitting efficiency, and cannot meet the requirement of multi-PCS rapid synchronous control performance;
the existing energy storage power station rapid control system generally adopts a single-layer star-shaped structure, the number of switches is more, and the risk of broadcast storm is high;
the monitoring network and the control network of the prior rapid control system of the energy storage power station generally belong to the same network, so that the response speed is influenced, and the delay from the generation of a control instruction to the response of the PCS is in the order of 50 milliseconds.
Therefore, we propose an EtherCAT ring network architecture-based energy storage power station rapid control system.
Disclosure of Invention
The invention aims to provide an EtherCAT ring network architecture-based energy storage power station rapid control system, which is formed by EtherCAT ring networks, so that delay is effectively reduced, a synchronous instruction packet is provided, PCS control synchronism can be improved, communication burden of a switch can be reduced, broadcast storm risk is avoided, and the problems in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: an energy storage power station rapid control system based on an EtherCAT ring network architecture comprises a monitoring main network, a monitoring standby network, a station control layer, an energy storage power station coordination control system, a coordination control subsystem, a sub-network control system and an energy storage PCS;
the station control layer comprises an EMS host and a gateway, wherein the number of the gateway is a plurality of groups, namely a gateway A and a gateway B, the number of the EMS host is a plurality of groups, namely an EMS host A and an EMS host B, and the EMS host A and the EMS host B are connected with a monitoring main network and a monitoring standby network;
the energy storage power station coordination control system comprises a coordination controller A and a standby coordination controller B, which are hereinafter simply referred to as a coordination control A and a coordination control B, wherein the EMS host A and the EMS host B are respectively connected with the coordination control A and the coordination control B through a monitoring main network and a monitoring standby network, and the coordination control B is a redundant hot standby component of the coordination control A;
the cooperative control A is connected to an EtherCAT_A ring network, and the cooperative control B is connected to an EtherCAT_B ring network;
the coordination control subsystem comprises a PMS system and a PMS standby system, one end of the PMS system is connected with the EtherCAT_A ring network, one end of the PMS standby system is connected with the EtherCAT_B ring network, the other ends of the PMS system and the PMS standby system are respectively connected with the EtherCAT_a network and the EtherCAT_b network, and each group of PMSA system and PMSB standby system are connected with the monitoring main network and the monitoring standby network;
the energy storage PCS system comprises PCS control cabinets and storage battery packs, wherein the number of the control cabinets is multiple, the input ends of the control cabinets of each group are respectively connected with an EtherCAT_a network and an EtherCAT_b network, the output ends of the control cabinets are connected with the storage battery packs of each group through a CAN controller local area network, and the other ends of the storage battery packs are connected to a monitoring main network and a monitoring standby network;
the grid-separation control system comprises an energy storage control layer EMS network, a monitoring network and an energy storage control network, wherein a processing server, an EMS storage server, an EMS workstation and a front-end server are connected to the energy storage control layer EMS network, a coordination controller main body and a coordination controller sub-machine are connected to the other side of the energy storage control layer EMS network, the coordination controller main body and the coordination controller sub-machine are connected with a plurality of groups of coordination controller sub-machines respectively, the other side of the coordination controller main body and the other side of the coordination controller sub-machine are connected to the energy storage control network, a plurality of groups of energy storage on-site monitoring servers are connected to the monitoring network, the other side of the monitoring network is connected with a plurality of groups of BMS battery management systems, and the BMS is connected with a storage battery pack.
As a preferred embodiment of the present invention, the PMSB standby system is a redundant hot standby system of a PMSA system.
As a preferable implementation mode of the invention, the synchronization system sub-clock is connected to the station control layer EMS network, so that the front-end server is respectively connected with the energy storage station control layer EMS network and the energy storage control network.
As a preferred embodiment of the present invention, the other end of the energy storage control network is further connected with a plurality of groups of PSC control cabinets, and the other end of the PCS is connected with the monitoring network and a plurality of groups of BMSs.
As a preferred embodiment of the present invention, the energy storage station control layer EMS network, the monitoring network and the energy storage control network are respectively provided with a main network and a standby network.
As a preferred implementation mode of the invention, the monitoring main network and the monitoring standby network are also connected with serial port terminals, the serial port terminals are connected with source network load storage interactive terminals, and the source network load storage interactive terminals are respectively connected with a cooperative control A and a cooperative control B through hard joints.
As a preferred implementation mode of the invention, the cooperative control A and the cooperative control B are connected to the PT/CT sampling equipment of the grid-connected point.
As a preferred implementation mode of the invention, the energy storage control network main network and the standby network both adopt a GOOSE communication mode.
As a preferred embodiment of the present invention, the station control layer further includes a gateway, a server, and a workstation, where the gateway, the server, and the workstation are all connected to the monitoring main network and the monitoring standby network.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the energy storage power station rapid control system based on the EtherCAT ring network framework, the EtherCAT ring network framework is adopted to form a rapid control network, the use of a switch can be reduced by replacing a traditional star network, the equipment operation and maintenance cost and communication delay are reduced, the PCS control synchronization performance is stronger, the expansibility is stronger, the PCS parallel control number can be greatly improved, the communication burden of a central switch can be reduced by adopting the ring network framework, and the broadcast storm risk is avoided.
2. According to the energy storage power station rapid control system based on the EtherCAT ring network framework, the energy storage power station rapid control system based on the EtherCAT ring network framework can form a layered grouping rapid control system framework through the coordination control system and the coordination control subsystem, and the control system and the monitoring management system can carry out network division control, so that the control system can form an independent information network to be connected to an EMS system, mutual interference is avoided, and communication efficiency is improved.
3. According to the rapid control system of the energy storage power station based on the EtherCAT ring network architecture, the main network and the standby network are arranged through the monitoring network and the control network, and the main network can be switched to the standby network for operation without delay when communication faults occur in the main network, so that the operation stability is improved.
Drawings
For a more clear description of the technical solutions of the embodiments of the present invention, reference will now be made to the following detailed description of non-limiting embodiments, with reference to the accompanying drawings, in which it is apparent that the drawings used in the following description are only some embodiments of the present invention, and from which other drawings can be obtained without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an energy storage power station rapid control system based on an EtherCAT ring network architecture;
FIG. 2 is a detailed schematic diagram of the energy storage power station coordination control system and coordination control subsystem of the energy storage power station rapid control system based on EtherCAT ring network architecture of the invention;
fig. 3 is a schematic diagram of a sub-network control system structure of the energy storage power station rapid control system based on the EtherCAT ring network architecture of the present invention;
fig. 4 is a schematic diagram of an EtherCAT ring network architecture structure of the energy storage power station rapid control system based on the EtherCAT ring network architecture of the present invention;
fig. 5 is a schematic diagram of experimental data of the fast control system of the energy storage power station based on the EtherCAT ring network architecture.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, an EtherCAT ring network architecture-based energy storage power station rapid control system comprises a monitoring main network, a monitoring standby network, a station control layer, an energy storage power station coordination control system, a coordination control subsystem, a sub-network control system and an energy storage PCS;
the station control layer comprises an EMS host and a gateway, the number of the gateway is a plurality of groups, namely a gateway A and a gateway B, the number of the EMS host is a plurality of groups, namely an EMS host A and an EMS host B, and the EMS host A and the EMS host B are connected with a monitoring main network and a monitoring standby network. The EMS hosts can be connected into the monitoring main network and the monitoring standby network, so that the sending of the control instruction can be controlled to realize station control.
The station control layer also comprises a gateway, a server and a workstation, wherein the gateway, the server and the workstation are connected with the monitoring main network and the monitoring standby network. The gateway A, the gateway B and the server can enable the system to be capable of interfacing with power grid dispatching instructions, carrying out power station level system management, collecting total station operation data, carrying out monitoring, comparison and analysis work, and the workstation can be used for integrating and centralized management of a station control layer.
As shown in fig. 1 and fig. 4, the energy storage power station coordination control system includes a coordination controller a and a standby coordination controller B, hereinafter, simply referred to as a coordination controller a and a coordination controller B, where the EMS host a and the EMS host B are connected with the coordination controller a and the coordination controller B through a monitoring main network and a monitoring standby network, respectively, and the coordination controller B is a redundant hot standby component of the coordination controller a. The coordination controller A and the coordination controller B can realize total control work, and when the coordination controller A fails, the coordination controller B can work in a seamless connection mode;
the cooperative control A is connected to an EtherCAT_A ring network, and the cooperative control B is connected to an EtherCAT_B ring network. The cooperative control A and the cooperative control B can be respectively connected into an EtherCAT_A ring network and an EtherCAT_B ring network, so that the EtherCAT_A ring network and the EtherCAT_B ring network can independently operate in the cooperative control A and the cooperative control B, a rapid control network can be formed by adopting an EtherCAT ring network architecture, and control instructions can be transmitted to the next layer along the EtherCAT_A ring network and the EtherCAT_B ring network.
As shown in fig. 1, the coordination control subsystem of the present invention includes a PMS system and a PMS standby system. The coordination control subsystem can receive instructions sent by the EtherCAT_A ring network and the EtherCAT_B ring network, wherein the coordination control subsystem also comprises a main control system and a standby control system, and in addition, the PMSB standby system is a redundant hot standby system of the PMSA system.
One end of the PMS system is connected with the EtherCAT_A ring network, and one end of the PMS standby system is connected with the EtherCAT_B ring network. The PMS system can receive a control instruction from the EtherCAT_A ring network or the EtherCAT_B ring network and the next layer below the control instruction.
And the other ends of the PMS system and the PMS standby system are respectively connected with an EtherCAT_a network and an EtherCAT_b network, and each group of PMSA system and PMSB standby system are connected with a monitoring main network and a monitoring standby network. The received control command may be sent to the packet ethercat_a network and ethercat_b network, and sent to the PCS control system through each set of ethercat_a network and ethercat_b network.
As shown in fig. 1, the energy storage PCS system of the present invention includes PCS control cabinets and storage battery packs, the number of the control cabinets is multiple, the input ends of each group of control cabinets are connected with ethercat_a network and ethercat_b network respectively, and the output ends of the control cabinets are connected with each group of storage battery packs through a CAN controller local area network. After receiving the instruction, the control cabinet can send a control instruction to each group of storage battery.
And the other end of the storage battery is connected to a monitoring main network and a monitoring standby network. The operation state of the storage battery pack can be monitored in real time by utilizing a monitoring network;
as shown in fig. 3, the network separation control system of the present invention includes an energy storage station control layer EMS network, a monitoring network and an energy storage control network, where a processing server, an EMS storage server, an EMS workstation and a front server are connected to the station control layer EMS network, a coordination controller main body and a coordination controller sub-machine are connected to the other side of the station control layer EMS network, the coordination controller main body and the other side of the coordination controller sub-machine are connected to the energy storage control network, a plurality of groups of energy storage on-site monitoring servers are connected to the monitoring network, the other side of the monitoring network is connected to a plurality of groups of BMS battery management systems, and the BMS is connected to the storage battery. The monitoring network and the control network are used for carrying out network division control, and the control system can form an independent information network, wherein the energy storage station control layer EMS network, the monitoring network and the energy storage control network are respectively provided with a main network and a standby network, so that the reliability requirement can be met.
As shown in fig. 1, the synchronization system clock is connected to the energy storage control layer EMS network, so that the front server is connected to the energy storage control layer EMS network and the energy storage control network respectively. The time synchronization system can output time synchronization signals and time information outwards according to the required time precision, and the front-end server can carry out scheduling and management work of various tasks of interaction instructions and data of the system related modules and various electric energy information acquisition terminals in the system.
As shown in fig. 1, the other end of the energy storage control network is further connected with a plurality of groups of PSC control cabinets, and the other end of the PCS is connected with the monitoring network and a plurality of groups of BMSs. The PCS control cabinet can receive control instructions and conduct active and reactive control on the battery pack.
As shown in fig. 1, the monitoring main network and the monitoring standby network are further connected with serial port terminals, the serial port terminals are connected with source network load storage interactive terminals, and the source network load storage interactive terminals are respectively connected with a cooperative control A and a cooperative control B through hard joints. The serial port terminal can realize a bridge for establishing connection between the host and the source network load storage interactive terminal, and the running condition can be conveniently monitored through the bridge.
As shown in FIG. 1, the cooperative control A and the cooperative control B are both connected to the PT/CT sampling equipment of the grid-connected point. The remote substation technology can be used for realizing the sampling of the operation information of the cooperative control A and the cooperative control B by the PT/CT sampling equipment of the network points, and grid connection can be carried out.
As shown in fig. 1, the primary network and the standby network of the energy storage control network both adopt GOOSE communication modes. The GOOSE adopts network signals to replace a hard-wired communication mode between conventional substation devices, and secondary cable wiring of the substation is greatly simplified.
In summary, the embodiment of the invention provides an energy storage power station control system, the system can be enabled to dock power grid dispatching instructions and carry out power station level system management through a station control layer, the whole station operation data can be collected and monitored, comparison and analysis can be carried out, and the battery is uniformly modeled according to IEC61850 standard, so that EMS, BMS, PCS whole-link IEC61850 protocol communication is realized, communication protocol divergence of different equipment manufacturers is eliminated, data processing efficiency and system expansibility are improved, energy storage power station equipment can be used as intelligent control equipment (IED) for unified management according to intelligent substation standards, the monitoring management system and the control system can carry out sub-network control, the control system can form an independent information network, the intelligent control equipment can be used as an intelligent control equipment to access to the station control EMS, the control response speed is improved, meanwhile, the EtherCAT communication protocol communication network architecture with a synchronous mechanism and smaller response delay is adopted to replace a traditional star network, the use of a switch can be reduced, the equipment operation and maintenance cost and communication delay are reduced, the whole station rapid power response delay of the energy storage power station is reduced from 200ms to 65ms when the equipment is operated, the emergency control frequency is improved, the parallel control is well-down to the PCS is controlled from the power grid, the power grid has the frequency is reduced to be more than 6.8, the practical 6 Hz (6.6 Hz), the control performance is greatly reduced, the control performance is stable, and the control performance is controlled from the power grid is greatly reduced to the control station is controlled to the PCS to be in the situation of the parallel stage 6.6, and has the control performance is stable, and has the control effect is stable, and can be controlled from the control stage 6 to the control stage 6.6.is down to the control stage 6.6.
It should be noted that the invention relates to an EtherCAT ring network architecture-based rapid control system for an energy storage power station, the components of which are universal standard components or components known to those skilled in the art, and the structures and principles of which are known to those skilled in the art through technical manuals or through routine experimental methods.
Claims (9)
1. The quick control system of the energy storage power station based on the EtherCAT ring network architecture is characterized by comprising a monitoring main network, a monitoring standby network, a station control layer, an energy storage power station coordination control system, a coordination control subsystem, a sub-network control system and an energy storage PCS;
the station control layer comprises an EMS host and a gateway, wherein the number of the gateway is a plurality of groups, namely a gateway A and a gateway B, the number of the EMS host is a plurality of groups, namely an EMS host A and an EMS host B, and the EMS host A and the EMS host B are connected with a monitoring main network and a monitoring standby network;
the energy storage power station coordination control system comprises a coordination controller A and a standby coordination controller B, wherein the EMS host A and the EMS host B are respectively connected with a coordination control A and a coordination control B through a monitoring main network and a monitoring standby network, and the coordination control B is a redundant hot standby component of the coordination control A;
the cooperative control A is connected to an EtherCAT_A ring network, and the cooperative control B is connected to an EtherCAT_B ring network;
the coordination control subsystem comprises a PMS system and a PMS standby system, one end of the PMS system is connected with the EtherCAT_A ring network, one end of the PMS standby system is connected with the EtherCAT_B ring network, the other ends of the PMS system and the PMS standby system are respectively connected with the EtherCAT_a network and the EtherCAT_b network, and each group of PMSA system and PMSB standby system are connected with the monitoring main network and the monitoring standby network;
the energy storage PCS system comprises PCS control cabinets and storage battery packs, wherein the number of the control cabinets is multiple, the input ends of the control cabinets of each group are respectively connected with an EtherCAT_a network and an EtherCAT_b network, the output ends of the control cabinets are connected with the storage battery packs of each group through a CAN controller local area network, and the other ends of the storage battery packs are connected to a monitoring main network and a monitoring standby network;
the grid-separation control system comprises an energy storage control layer EMS network, a monitoring network and an energy storage control network, wherein a processing server, an EMS storage server, an EMS workstation and a front-end server are connected to the energy storage control layer EMS network, a coordination controller main body and a coordination controller sub-machine are connected to the other side of the energy storage control layer EMS network, the coordination controller main body and the coordination controller sub-machine are connected with a plurality of groups of coordination controller sub-machines respectively, the other side of the coordination controller main body and the other side of the coordination controller sub-machine are connected to the energy storage control network, a plurality of groups of energy storage on-site monitoring servers are connected to the monitoring network, the other side of the monitoring network is connected with a plurality of groups of BMS battery management systems, and the BMS is connected with a storage battery pack.
2. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: the PMSB standby system is a redundant hot standby system of the PMSA system.
3. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: the station control layer EMS network is connected with a synchronous system clock, so that the front-end server is respectively connected with the energy storage station control layer EMS network and the energy storage control network.
4. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: the other end of the energy storage control network is also connected with a plurality of groups of PSC control cabinets, and the other end of the PCS is connected with the monitoring network and a plurality of groups of BMSs.
5. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: the energy storage station control layer EMS network, the monitoring network and the energy storage control network are respectively provided with a main network and a standby network.
6. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: the monitoring main network and the monitoring standby network are also connected with serial port terminals, the serial port terminals are connected with source network load storage interactive terminals, and the source network load storage interactive terminals are respectively connected with a cooperative control A and a cooperative control B through hard joints.
7. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: and the cooperative control A and the cooperative control B are both connected to the PT/CT sampling equipment of the grid-connected point.
8. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: and the energy storage control network main network and the standby network both adopt a GOOSE communication mode.
9. The rapid control system of an energy storage power station based on an EtherCAT ring network architecture as claimed in claim 1, wherein: the station control layer also comprises a gateway, a server and a workstation, wherein the gateway, the server and the workstation are connected with the monitoring main network and the monitoring standby network.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116646901A (en) * | 2023-07-27 | 2023-08-25 | 南京荣泰电气自动化有限公司 | Multi-terminal differential protection implementation method based on EtherCat |
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| CN116646901B (en) * | 2023-07-27 | 2023-09-29 | 南京荣泰电气自动化有限公司 | Multi-terminal differential protection implementation method based on EtherCat |
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