CN109713704A - Grid side battery energy storage power station communicating interrupt method of controlling security, system and medium - Google Patents
Grid side battery energy storage power station communicating interrupt method of controlling security, system and medium Download PDFInfo
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Abstract
The invention discloses a kind of grid side battery energy storage power station communicating interrupt method of controlling security, system and media; the invention also includes the communication states that real-time monitoring has each power conversion system PCS under its command; the wire-outgoing breaker of the power conversion system PCS of each communicating interrupt of automatic tripping after being delayed if any PCS communicating interrupt, so that each power conversion system PCS of institute's tripping wire-outgoing breaker connection is all shut down；After each power conversion system PCS communication of institute's tripping wire-outgoing breaker connection restores, closing the wire-outgoing breaker after delay automatically makes its restarting, redistributes whole station output power between each available power transformation system PCS.The present invention with after power conversion system PCS communicating interrupt by the autostart function of wire-outgoing breaker automatic division and power conversion system PCS; the autostop and self-healing function for realizing communicating interrupt power conversion system PCS, by energy-storage battery can the loss of discharge and recharge be preferably minimized.
Description
Technical field
The present invention relates to battery energy storage power station technical fields, and in particular to a kind of grid side battery energy storage power station communicating interrupt
Method of controlling security, system and medium.
Background technique
Relative to the energy storage mode such as flywheel, water-storage, battery energy storage power station is big with energy storage density, addressing is flexible, peace
Fill it is convenient, can four-quadrant smooth steady operation the advantages that, entered extensive experimentation construction period, source side, power grid at home
Side, load side battery energy storage power station have no small construction scale.Source side energy-accumulating power station is mainly as wind-force, photovoltaic power generation
Auxiliary facility alleviates the impact that wind-force, photovoltaic power generation are intermittent and fluctuation is to power grid by energy-accumulating power station power storage function
And influence.Load side energy-accumulating power station acts predominantly on load side peak load shifting, reduces transmission loss, while can transport by micro-capacitance sensor
The power supply reliability of line mode raising responsible consumer.Grid side energy-accumulating power station main function is to realize that the peak clipping of network load is filled out
Paddy, it is conditional to realize the functions such as primary frequency modulation by synchronous capacitor technology.The present invention is mainly suitable for unmanned values
The grid side battery energy storage power station kept.
Grid side battery energy storage power station generally comprises multiple power inverters (abbreviation PCS), accesses 10kV system after in parallel,
Support is provided for the economic security operation of power grid.Each power inverter PCS uses focus control mode, by whole station energy management system
System (abbreviation EMS) directly controls simultaneously, and the power instruction that EMS is assigned can discharge capacity and chargeable amount weight assignment by each PCS's
Power instruction realizes the power limitation control of whole station PCS.Under trystate, a PCS can be allowed to be in decentralised control mode, i.e., it is electric
The control of voltage-frequency rate, remaining PCS are in power limitation control mode, realize related commissioning project.Each PCS of grid side battery energy storage power station
With EMS both-way communication.EMS receive sent on PCS can the status data abundant such as discharge capacity, chargeable amount, operating status, PCS
Receive the power adjustment instruction that EMS is issued.After the communicating interrupt of EMS and PCS, EMS can be identified by link layer state and be perceived,
And it is unavailable to regard the PCS.But the PCS of some producers does not have the function, can not perceive communicating interrupt and former power is kept to refer to
Enable operation.Thus the response of EMS whole station power instruction will be caused deviation occur due to communicating interrupt PCS output power can not monitor,
The safe and stable operation of access power grid may be influenced when serious.
Summary of the invention
The technical problem to be solved in the present invention: in view of the above problems in the prior art, a kind of grid side battery energy storage is provided
Power station communicating interrupt method of controlling security, system and medium, the present invention by establish power conversion system PCS wire-outgoing breaker with
The joint-action mechanism of power conversion system PCS communication state, it is logical in Energy Management System EMS real-time monitoring power conversion system PCS
Under conditions of news state, after Energy Management System EMS and power conversion system PCS communicating interrupt, certainly by wire-outgoing breaker
The autostart function of dynamic division and power conversion system PCS, realize communicating interrupt power conversion system PCS autostop and
Self-healing function, by energy-storage battery can the loss of discharge and recharge be preferably minimized
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of grid side battery energy storage power station communicating interrupt method of controlling security, implementation steps include:
1) real-time monitoring has the communication state of each power conversion system PCS under its command, if monitoring that any power conversion system PCS is logical
News interrupt and then jump execution step 2；Otherwise execution step 1) is jumped；
2) it was delayed for the first specified time, the wire-outgoing breaker of the power conversion system PCS of automatic each communicating interrupt of tripping, so that institute
Each power conversion system PCS of tripping wire-outgoing breaker connection is all shut down；In each function of institute's tripping wire-outgoing breaker connection
After rate transformation system PCS communication restores, it was delayed for the second specified time, closes the wire-outgoing breaker automatically, the open circuit of the outlet later
The power conversion system PCS of device connection will restart, and make whole station output power between each available power transformation system PCS
It redistributes.
The detailed step of step 1) includes: the logical of the dual communication network that real-time monitoring has each power conversion system PCS under its command
News state jumps if monitoring that communicating interrupt occurs for two communication networks between any power conversion system PCS
Execute step 2；If monitoring that the communication state for interrogating network there are at least one is normal, execution step 1) is jumped.
If it is described monitor all power conversion system PCS exist at least one news network communication state it is normal
When, it further include obtaining the status data of power conversion system PCS and to having under its command to having each power conversion system PCS acquisition under its command
BMS acquires the step of status data of battery management system BMS.
The status data of the power conversion system PCS includes chargeable amount, can discharge capacity, operating status.
The status data of the battery management system BMS includes temperature, voltage, electric current, operating status.
The detailed step of step 2 includes:
2.1) start wire-outgoing breaker tripping timing, if monitoring two of the power conversion system PCS of generation communicating interrupt
Any communication network of communication network restores normal, then the Trip Logic instantaneous involution at once, and jumps execution step 1)；Otherwise it jumps
Turn to execute step 2.2)；
2.2) judge whether the timing of outlet circuit breaker trip reached for the first specified time, execution step is jumped if not yet reaching
2.1)；Otherwise, it jumps and executes step 2.3)；
2.3) by the linkage logic of the cabin the PCS wire-outgoing breaker distant control function and communication state that pre-establish, automatic tripping is each
The wire-outgoing breaker of the power conversion system PCS of communicating interrupt, so that each power conversion system of institute's tripping wire-outgoing breaker connection
The PCS that unites all is shut down；
2.4) in each power conversion system PCS and corresponding battery management system BMS allowed band, former power command value is kept
It is constant, and redistribute the power level of each available power transformation system PCS, if beyond each power conversion system PCS and right
The allowed band of battery management system BMS is answered, then each available power transformation system PCS is transported by real-time maximum allowable power level
Row；
2.5) each wire-outgoing breaker of automatic detecting has the logical of each power conversion system PCS and corresponding battery management system BMS under its command
News state, if monitoring that each wire-outgoing breaker has each power conversion system PCS under its command and corresponding battery management system BMS exists
Other abnormality alarmings in addition to power conversion system PCS communication abnormality then jump and execute step 2.6)；Otherwise, it jumps and executes step
It is rapid 2.7)；
2.6) it keeps sharing wire-outgoing breaker being off-state, until the alarm in addition to communication abnormality disappears；After alerting disappearance,
It then jumps and executes step 2.7)；
2.7) determine jump each wire-outgoing breaker have under its command each power conversion system PCS and correspondence battery management system BMS do not deposit
In other abnormality alarmings in addition to power conversion system PCS communication abnormality, if jumping certain wire-outgoing breaker has each power conversion under its command
There is no other exceptions in addition to power conversion system PCS communication abnormality to accuse by system PCS and corresponding battery management system BMS
Alert, the second specified time of delay closes the wire-outgoing breaker, and the power conversion system PCS of connection will reset automatically；
2.8) it after each available power transformation system PCS starts automatically, keeps whole station power instruction constant, redistributes each available
The power level of power conversion system PCS.
The present invention also provides a kind of grid side battery energy storage power station communicating interrupt safety control systems, including energy management system
The system EMS and its multiple power conversion system PCS having under its command, and each power conversion system PCS has been correspondingly connected with an independence
Battery management system BMS, the Energy Management System EMS is programmed to perform the aforementioned grid side battery energy storage power station of the present invention
The step of communicating interrupt method of controlling security.
The present invention also provides a kind of grid side battery energy storage power station communicating interrupt safety control systems, including computer to set
Standby, which is programmed to perform the aforementioned grid side battery energy storage power station communicating interrupt method of controlling security of the present invention
Step.
The present invention also provides a kind of grid side battery energy storage power station communicating interrupt safety control systems, including computer to set
It is standby, it is stored in the storage medium of the computer equipment and is programmed to perform the aforementioned grid side battery energy storage power station communication of the present invention
The step of interrupting method of controlling security.
The present invention also provides a kind of computer readable storage medium, it is stored with and is programmed in the computer readable storage medium
With the step of executing aforementioned grid side battery energy storage power station communicating interrupt method of controlling security of the invention.
Compared to the prior art, the present invention have an advantage that grid side battery energy storage power station can be realized frequency adjust,
The functions such as voltage adjusting, peak load shifting, emergent control, have energy storage density is big, addressing flexibly, install convenient, can four-quadrant it is flat
The advantages that sliding stable operation, the extensive experimentation construction period is entered at home.Grid side battery energy storage power station is unattended, leads to
It is often made of multiple power inverter PCS parallel connections, each power conversion system PCS uses centralized control, by whole station energy pipe
Reason system EMS by each power conversion system PCS chargeable amount and can discharge capacity weight assignment power instruction, realize that each power becomes
Change quick, the Balance route of system PCS.When the communicating interrupt of Energy Management System EMS and power conversion system PCS will cause energy
Amount management system EMS whole station power instruction response occurs due to communicating interrupt power conversion system PCS output power can not monitor
Deviation may influence the safe and stable operation for accessing power grid when serious.Become to reduce grid side battery energy storage power station power as far as possible
The adverse consequences of the bis- set communicating interrupts of system PCS and Energy Management System EMS is changed, the present invention proposes a kind of grid side battery energy storage
Power station communicating interrupt controling mechanism is logical by establishing power conversion system PCS wire-outgoing breaker and power conversion system PCS
The joint-action mechanism of news state, under conditions of Energy Management System EMS real-time monitoring power conversion system PCS communication state,
Energy Management System EMS passes through the automatic division of wire-outgoing breaker and power conversion system with after power conversion system PCS communicating interrupt
The autostart function of system PCS, realizes the autostop and self-healing function of communicating interrupt power conversion system PCS, by energy storage electricity
Pond can the loss of discharge and recharge be preferably minimized.
Detailed description of the invention
Fig. 1 is the basic procedure schematic diagram of present invention method.
Fig. 2 is the system architecture diagram of the embodiment of the present invention.
Fig. 3 is the cabin battery energy storage power station PCS and the BMS cabin structure schematic diagram of the embodiment of the present invention.
Fig. 4 is the workflow schematic diagram of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, the implementation steps packet of the present embodiment grid side battery energy storage power station communicating interrupt method of controlling security
It includes:
1) real-time monitoring has the communication state of each power conversion system PCS under its command, if monitoring that any power conversion system PCS is logical
News interrupt and then jump execution step 2；Otherwise execution step 1) is jumped；
2) it was delayed for the first specified time, the wire-outgoing breaker of the power conversion system PCS of automatic each communicating interrupt of tripping, so that institute
Each power conversion system PCS of tripping wire-outgoing breaker connection is all shut down；In each function of institute's tripping wire-outgoing breaker connection
After rate transformation system PCS communication restores, it was delayed for the second specified time, closes the wire-outgoing breaker automatically, the open circuit of the outlet later
The power conversion system PCS of device connection will restart, and make whole station output power between each available power transformation system PCS
It redistributes.In the present embodiment, the first specified time, the second specified time equal value are 5s, furthermore also be can according to need point
The time span of the first specified time, the second specified time Zeng Jia or not be reduced.
In the present embodiment, the detailed step of step 1) includes: that real-time monitoring has the dual logical of each power conversion system PCS under its command
The communication state of network is interrogated, if monitoring that two communication networks between any power conversion system PCS communicate
Interruption then jumps execution step 2；If monitoring that the communication state for interrogating network there are at least one is normal, jumps and execute step
It is rapid 1).
In the present embodiment, if monitoring that all power conversion system PCS have the communication shape of at least one news network
When state is normal, further include to have under its command each power conversion system PCS acquisition obtain power conversion system PCS status data and to
The step of having the status data of BMS acquisition battery management system BMS under its command.
In the present embodiment, the status data of power conversion system PCS includes chargeable amount, can discharge capacity, operating status.
In the present embodiment, the status data of battery management system BMS includes temperature, voltage, electric current, operating status.
The network for having each power conversion system PCS in the present embodiment under its command is dual communication network, and any network operation is just
Often, the executing subject (such as Energy Management System EMS) of the present embodiment method with have each power conversion system PCS under its command can be normal
Communication interaction.Network is dual communication network between each power conversion system PCS and its corresponding battery management system BMS, is led to
Cross the communication network of dual, EMS acquires the chargeable amount of each power conversion system PCS that has under its command in real time, can discharge capacity, operating status
Etc. monitoring data and have the monitoring data such as each battery management system BMS temperature, voltage, electric current, operating status under its command.Real-time monitoring
The executing subject (such as Energy Management System EMS) and power conversion system PCS communication network state of the present embodiment method.Work as prison
Certain net communicating interrupt with certain power conversion system PCS is measured, then is determined and the power conversion system PCS net communicating interrupt.It is single
When net communicating interrupt it is timely on send alarm, then entered step 2) when double-network communication interrupts.
In the present embodiment, the detailed step of step 2 includes:
2.1) start wire-outgoing breaker tripping timing, if monitoring two of the power conversion system PCS of generation communicating interrupt
Any communication network of communication network restores normal, then the Trip Logic instantaneous involution at once, and jumps execution step 1)；Otherwise it jumps
Turn to execute step 2.2)；
2.2) judge whether the timing of outlet circuit breaker trip reached for the first specified time, execution step is jumped if not yet reaching
2.1)；Otherwise, it jumps and executes step 2.3)；
2.3) by the linkage logic of the cabin the PCS wire-outgoing breaker distant control function and communication state that pre-establish, automatic tripping is each
The wire-outgoing breaker of the power conversion system PCS of communicating interrupt, so that each power conversion system of institute's tripping wire-outgoing breaker connection
The PCS that unites all is shut down；
2.4) in each power conversion system PCS and corresponding battery management system BMS allowed band, former power command value is kept
It is constant, and redistribute the power level of each available power transformation system PCS, if beyond each power conversion system PCS and right
The allowed band of battery management system BMS is answered, then each available power transformation system PCS is transported by real-time maximum allowable power level
Row；
2.5) each wire-outgoing breaker of automatic detecting has the logical of each power conversion system PCS and corresponding battery management system BMS under its command
News state, if monitoring that each wire-outgoing breaker has each power conversion system PCS under its command and corresponding battery management system BMS exists
Other abnormality alarmings in addition to power conversion system PCS communication abnormality then jump and execute step 2.6)；Otherwise, it jumps and executes step
It is rapid 2.7)；
2.6) it keeps sharing wire-outgoing breaker being off-state, until the alarm in addition to communication abnormality disappears；After alerting disappearance,
It then jumps and executes step 2.7)；
2.7) determine jump each wire-outgoing breaker have under its command each power conversion system PCS and correspondence battery management system BMS do not deposit
In other abnormality alarmings in addition to power conversion system PCS communication abnormality, if jumping certain wire-outgoing breaker has each power conversion under its command
There is no other exceptions in addition to power conversion system PCS communication abnormality to accuse by system PCS and corresponding battery management system BMS
Alert, the second specified time of delay closes the wire-outgoing breaker, and the power conversion system PCS of connection will reset automatically；
2.8) it after each available power transformation system PCS starts automatically, keeps whole station power instruction constant, redistributes each available
The power level of power conversion system PCS.
In addition, the present embodiment also provides a kind of grid side battery energy storage power station communicating interrupt safety control system, including energy
Amount management system EMS(Energy Management System) and its multiple power conversion system PCS(Power for having under its command
Conversion System), and each power conversion system PCS has been correspondingly connected with an independent battery management system BMS
(Battery Management System), as shown in Fig. 2, to be programmed to perform the present embodiment aforementioned by Energy Management System EMS
The step of grid side battery energy storage power station communicating interrupt method of controlling security.Through Energy Management System EMS real-time monitoring under
Have jurisdiction over the communication state of each power conversion system PCS and the operating status of battery management system BMS；Increase Energy Management System EMS
With the shared wire-outgoing breaker automatic control function in the cabin PCS (power conversion system cabin) that has each power conversion system PCS under its command with
The linkage logic of communication state realizes the autostop of communication abnormality power conversion system PCS.In the present embodiment, an outlet
Two power conversion system PCS of breaker lower connection, practical whole station have 48 power conversion system PCS.
In the present embodiment, Energy Management System EMS, any power conversion system PCS are realized by the Ethernet of dual
Centralized control, control system framework are as shown in Figure 2.Dual communication network is made of identical A net and B net, one of them
Network failure does not influence the normal communication of another network, which thereby enhances the reliability of data transmission.It is only depicted in Fig. 2
A single net in dual network, another network are identical.As shown in Figure 2, Energy Management System EMS and power conversion
System PCS and battery management system BMS pass through the ethernet communication based on IEC61850 specification；Power conversion system PCS and right
Between the BMS answered while having hard contact point signal, the signal based on Modbus specification, and be it is unidirectional, i.e., signal stream only from and
Battery management system BMS flows to power conversion system PCS.
In the present embodiment, each power conversion system PCS is placed in the cabin PCS, each battery management system BMS is put
It sets in the cabin BMS (battery flat), the cabin BMS and the cabin PCS are constituted as shown in Figure 3.In Fig. 3, each cabin BMS includes two battery piles,
Each battery pile is made of the battery cluster parallel connection of identical quantity, and each battery cluster is again in series by the battery pack of identical quantity；
Each cabin PCS includes that two Voltage type converters and two dry type boostings become；Battery pile, Voltage type converter VSC, dry type become one
One is corresponding, is interconnected by multiple switch, and finally becomes high-pressure side parallel connection in dry type, is external to system through wire-outgoing breaker.Fig. 3
In, the remote-controlled division of wire-outgoing breaker AC01, AC1-1, AC1-2 of dry type low pressure side, AC circuit breaker, battery pile outlet are straight
Flow breaker DC1-1, DC1-2 and the manual division on the spot automatically of high-voltaghe compartment disconnecting switch, A.C. contactor, dc circuit breaker and cluster
Contactor is by process control division, and wherein the wire-outgoing breaker AC01 of dry type low pressure side is each power conversion system PCS
Shared wire-outgoing breaker.
Grid side battery energy storage power station is unattended station, to reduce power conversion system PCS and energy management system as far as possible
Adverse consequences caused by the bis- set communicating interrupts of EMS of uniting, best bet are realized in communication by backstage automatic control mode
The autostop of disconnected power conversion system PCS, and further realize accurate response and the electricity of Energy Management System EMS power instruction
The economic stability of net is run.Grid side battery energy storage power station power conversion system PCS quantity is larger, while to reduce energy storage station fortune
The manual intervention of row process, after Energy Management System EMS power instruction issues, rear grid-connected power conversion system PCS is except friendship
Whole alternating current-direct current breakers outside stream contactor and dc circuit breaker close in coincidence and without starting automatically when fault warning
A.C. contactor and dc circuit breaker, and respond the power instruction of Energy Management System EMS.At this point, Energy Management System EMS meeting
Again by each chargeable amount of power conversion system PCS and can discharge capacity distribution power, realize the equilibrium of each power conversion system PCS
Operation.In addition, disconnecting wire-outgoing breaker AC01 when the two power conversion system PCS shown in Fig. 3 are operated normally, then two voltage-types become
Flow device VSC exchange side decompression, cause isolated island protection act make Voltage type converter VSC shut down, while tripping A.C. contactor and
Dc circuit breaker.Therefore it can realize communicating interrupt power conversion system PCS's by the automatic control to wire-outgoing breaker AC01
Autostop.When there is the equal communicating interrupt of double nets, wire-outgoing breaker AC01 is disconnected automatically through certain time-delay, then communicating interrupt
It PCS and communicates non-interrupt power transformation system PCS and is shut down because of decompression, but other available power transformation systems PCS is still at this time
Continue to allow, only power can be redistributed.After certain time (the main stabilization time for considering battery and powering off suddenly), from
Wire-outgoing breaker AC01 in dynamic circuit connector, communicating non-interrupt power transformation system PCS at this time can restart, and communicating interrupt power becomes
The system PCS of changing can not then start due to there are communication failure, it is thus achieved that communicating interrupt power conversion system PCS's stops automatically
Machine.But it should be recognized that after communicating interrupt power conversion system PCS communicates recovery, and can start automatically, thus
Realize the self diagnosis and self-healing function of battery energy storage power station.
As shown in figure 4, the work step of the present embodiment grid side battery energy storage power station communicating interrupt safety control system is such as
Under:
S1: the linkage logic of the cabin PCS wire-outgoing breaker distant control function and communication state is established.When Energy Management System EMS is under
When having jurisdiction over double set network communications interruption of certain power conversion system PCS, the wire-outgoing breaker AC01 in the cabin 5s automatic tripping PCS that is delayed.
S2: if any communication network restores normal between period Energy Management System EMS and power conversion system PCS,
The Trip Logic instantaneous involution at once.When double set communicating interrupts occur again in Energy Management System EMS and power conversion system PCS
When, restart wire-outgoing breaker tripping timing.
S3: after wire-outgoing breaker tripping, in power conversion system PCS and battery management system BMS allowed band, energy
Measuring management system EMS keeps former power command value constant, and redistributes the power level of each available power transformation system PCS.
If exceeding power conversion system PCS and battery management system BMS allowed band, each power conversion system PCS is by maximum in real time
Power level is allowed to run.
S4: automatic detecting disconnected wire-outgoing breaker have the communication shape of power conversion system PCS and battery management system BMS under its command
State.Power conversion system PCS and battery management system BMS is individually communicated with Energy Management System EMS, only energy management
System EMS only controls power conversion system PCS.Energy Management System EMS real-time monitoring power conversion system PCS and battery management
The state of system BMS, when Energy Management System EMS monitors that broken wire-outgoing breaker has power conversion system PCS and battery under its command
When management system BMS state has other abnormality alarmings in addition to power conversion system PCS communication abnormality, into S5.Otherwise into
Enter S6.
S5: the wire-outgoing breaker for keeping the disconnected power conversion system PCS of institute is off-state, up to announcement in addition to communication abnormality
It is alert to disappear.After alerting disappearance, then S6 is reentered.
S6: when wire-outgoing breaker has power conversion system PCS and battery management system BMS under its command without its in addition to communication abnormality
When he alerts, delay 5s clock closes power conversion system PCS wire-outgoing breaker automatically.It is not interrupted when the switch has former communication under its command
Power conversion system PCS starts automatically when communication abnormality disappears, and the communication abnormality of former communicating interrupt power conversion system PCS
Same automatic starting, otherwise will remain shut off state because of the presence of failure resultant signal if having restored.
S7: after power conversion system PCS starts automatically, Energy Management System EMS keeps former power instruction constant, divides again
Power level with each available power transformation system PCS.
In addition, the present embodiment also provides a kind of grid side battery energy storage power station communicating interrupt safety control system, including meter
Machine equipment is calculated, which is programmed to perform the aforementioned grid side battery energy storage power station communicating interrupt of the present embodiment and controls safely
The step of method processed.In addition, the present embodiment also provides a kind of grid side battery energy storage power station communicating interrupt safety control system, packet
Computer equipment is included, is stored in the storage medium of the computer equipment and is programmed to perform the aforementioned grid side battery of the present embodiment
The step of energy-accumulating power station communicating interrupt method of controlling security.In addition, the present embodiment also provides a kind of computer readable storage medium,
It is stored with and is programmed to perform in the aforementioned grid side battery energy storage power station communication of the present embodiment in the computer readable storage medium
The step of disconnected method of controlling security.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of grid side battery energy storage power station communicating interrupt method of controlling security, it is characterised in that implementation steps include:
1) real-time monitoring has the communication state of each power conversion system PCS under its command, if monitoring that any power conversion system PCS is logical
News interrupt and then jump execution step 2；Otherwise execution step 1) is jumped；
2) it was delayed for the first specified time, the wire-outgoing breaker of the power conversion system PCS of automatic each communicating interrupt of tripping, so that institute
Each power conversion system PCS of tripping wire-outgoing breaker connection is all shut down；In each function of institute's tripping wire-outgoing breaker connection
After rate transformation system PCS communication restores, it was delayed for the second specified time, closes the wire-outgoing breaker automatically, the open circuit of the outlet later
The power conversion system PCS of device connection will restart, and make whole station output power between each available power transformation system PCS
It redistributes.
2. grid side battery energy storage power station communicating interrupt method of controlling security according to claim 1, which is characterized in that step
Rapid detailed step 1) includes: the communication state that real-time monitoring has the dual communication network of each power conversion system PCS under its command, if
Monitor that two communication networks between any power conversion system PCS occur communicating interrupt and then jump execution step 2；
If monitoring that the communication state for interrogating network there are at least one is normal, execution step 1) is jumped.
3. grid side battery energy storage power station communicating interrupt method of controlling security according to claim 1, which is characterized in that institute
If state monitor all power conversion system PCS exist at least one news network communication state it is normal when, further include to
Each power conversion system PCS acquisition is had under its command to obtain the status data of power conversion system PCS and acquire cell tube to BMS is had under its command
The step of status data of reason system BMS.
4. grid side battery energy storage power station communicating interrupt method of controlling security according to claim 3, which is characterized in that institute
The status data for stating power conversion system PCS includes chargeable amount, can discharge capacity, operating status.
5. grid side battery energy storage power station communicating interrupt method of controlling security according to claim 3, which is characterized in that institute
The status data for stating battery management system BMS includes temperature, voltage, electric current, operating status.
6. the grid side battery energy storage power station communicating interrupt method of controlling security according to any one of claim 2~5,
It is characterized in that, the detailed step of step 2 includes:
2.1) start wire-outgoing breaker tripping timing, if monitoring two of the power conversion system PCS of generation communicating interrupt
Any communication network of communication network restores normal, then the Trip Logic instantaneous involution at once, and jumps execution step 1)；Otherwise it jumps
Turn to execute step 2.2)；
2.2) judge whether the timing of outlet circuit breaker trip reached for the first specified time, execution step is jumped if not yet reaching
2.1)；Otherwise, it jumps and executes step 2.3)；
2.3) by the linkage logic of the cabin the PCS wire-outgoing breaker distant control function and communication state that pre-establish, automatic tripping is each
The wire-outgoing breaker of the power conversion system PCS of communicating interrupt, so that each power conversion system of institute's tripping wire-outgoing breaker connection
The PCS that unites all is shut down；
2.4) in each power conversion system PCS and corresponding battery management system BMS allowed band, former power command value is kept
It is constant, and redistribute the power level of each available power transformation system PCS, if beyond each power conversion system PCS and right
The allowed band of battery management system BMS is answered, then each available power transformation system PCS is transported by real-time maximum allowable power level
Row；
2.5) each wire-outgoing breaker of automatic detecting has the logical of each power conversion system PCS and corresponding battery management system BMS under its command
News state, if monitoring that each wire-outgoing breaker has each power conversion system PCS under its command and corresponding battery management system BMS exists
Other abnormality alarmings in addition to power conversion system PCS communication abnormality then jump and execute step 2.6)；Otherwise, it jumps and executes step
It is rapid 2.7)；
2.6) it keeps sharing wire-outgoing breaker being off-state, until the alarm in addition to communication abnormality disappears；After alerting disappearance,
It then jumps and executes step 2.7)；
2.7) determine jump each wire-outgoing breaker have under its command each power conversion system PCS and correspondence battery management system BMS do not deposit
In other abnormality alarmings in addition to power conversion system PCS communication abnormality, if jumping certain wire-outgoing breaker has each power conversion under its command
There is no other exceptions in addition to power conversion system PCS communication abnormality to accuse by system PCS and corresponding battery management system BMS
Alert, the second specified time of delay closes the wire-outgoing breaker, and the power conversion system PCS of connection will reset automatically；
2.8) it after each available power transformation system PCS starts automatically, keeps whole station power instruction constant, redistributes each available
The power level of power conversion system PCS.
7. a kind of grid side battery energy storage power station communicating interrupt safety control system, including Energy Management System EMS and its have under its command
Multiple power conversion system PCS, and each power conversion system PCS has been correspondingly connected with an independent battery management system
BMS, which is characterized in that the Energy Management System EMS is programmed to perform electricity described in any one of claim 1~6
The step of net side battery energy storage power station communicating interrupt method of controlling security.
8. a kind of grid side battery energy storage power station communicating interrupt safety control system, including computer equipment, it is characterised in that: should
Computer equipment is programmed to perform grid side battery energy storage power station communicating interrupt described in any one of claim 1~6
The step of method of controlling security.
9. a kind of grid side battery energy storage power station communicating interrupt safety control system, including computer equipment, it is characterised in that: should
It is stored in the storage medium of computer equipment and is programmed to perform the electricity of grid side described in any one of claim 1~6
The step of pond energy-accumulating power station communicating interrupt method of controlling security.
10. a kind of computer readable storage medium, it is characterised in that: be stored with and be programmed in the computer readable storage medium
The step of grid side battery energy storage power station communicating interrupt method of controlling security described in any one of perform claim requirement 1~6.
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