CN104991525B - Power auto-control system - Google Patents
Power auto-control system Download PDFInfo
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- CN104991525B CN104991525B CN201510041412.4A CN201510041412A CN104991525B CN 104991525 B CN104991525 B CN 104991525B CN 201510041412 A CN201510041412 A CN 201510041412A CN 104991525 B CN104991525 B CN 104991525B
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention provides a kind of power auto-control system.In the system, communication control bus is for realizing the communication between system controller and field controller；Field controller is for acquiring POWER SYSTEM STATE signal, POWER SYSTEM STATE signal is converted into the identifiable signal of system controller, the POWER SYSTEM STATE signal after conversion is sent to system controller by communication control bus, the control instruction of system controller transmission is received and executed, and sends control instruction implementing result to system controller；System controller is for storing the anti-fault countermeasure table comprising multiple prefabricated scene modes；POWER SYSTEM STATE signal after receiving the conversion that field controller is sent by communication control bus, control instruction is sent to field controller, and receive the control instruction implementing result of field controller transmission, it can be when electric system generates failure, according to anti-fault countermeasure table, it realizes and automatically controls, provide reliable guarantee for the continuity of power system power supply.
Description
Technical field
The present invention relates to a kind of automatic control technology more particularly to a kind of power auto-control systems.
Background technique
With the rapid development of IT industry, the demand for building large-scale data center is continuously increased, and in large-scale data center
Key equipment, have the characteristics that electricity consumption density is big, operation continuity is demanding；It is thus the key equipment clothes in data center
The low-voltage power system of business, needs to meet that system is safe and reliable, flexible and maintainable requirement, therefore, the complexity of electric system
Degree is high.
For traditional data center's electric system, system architecture is relatively easy, and requires power supply continuity opposite
It is not high.Therefore, in system operation, if there is external power failure or the system failure, generally by operation maintenance personnel to system
Operation conditions and fault message are judged, further according to operating instruction combination self-technique experience, are obtained anti-malfunction approach, are passed through
It manually controls, manual operation or electrically operated mode complete the anti-failure measures such as grid switching operation.
And for complicated and high reliability requirement low-voltage power system, above-mentioned traditional method of operation is difficult to adapt to need
Ask, be mainly manifested in the following aspects: first, traditional method of operation the technical level of operation maintenance personnel is required it is high, and
And there is the risk for artificially judging operation error, safety and reliability is difficult to ensure；Second, when there is the system failure, manually
Judgement and manual operation time-consuming are more, and the anti-failure measure operating time is too long, and leading to system switching time is more than uninterrupted electricity
Source power-on time, causes power breakdown；Or there is such as while successively two or more the situation of complex fault in third
Failure, operation maintenance personnel are difficult to judge.Therefore, it needs to propose a kind of power auto-control system.
Summary of the invention
The present invention provides a kind of power auto-control system, to realize automatic control when the system failure occurs in electric system
System, provides reliable guarantee for the power supply continuity of electric system.
The present invention provides a kind of power auto-control system, including at least one power auto-control subsystem；Wherein, one
A power auto-control subsystem includes: communication control bus, system controller and field controller；
The communication control bus is for realizing the communication between the system controller and the field controller；
The POWER SYSTEM STATE signal is converted to institute for acquiring POWER SYSTEM STATE signal by the field controller
The identifiable signal of system controller is stated, is sent out the POWER SYSTEM STATE signal after conversion by the communication control bus
The system controller is given, receives and execute the control instruction that the system controller is sent, and to the system controller
Send control instruction implementing result；
The system controller is used for, and storage includes the anti-fault countermeasure table of multiple prefabricated scene modes；Pass through the control
Communication bus processed receives the POWER SYSTEM STATE signal after the conversion that the field controller is sent, to the field control
Device sends the control instruction, and receives the control instruction implementing result that the field controller is sent.
Power auto-control system as described above, wherein the POWER SYSTEM STATE signal comprises at least one of the following:
Voltage signal, current signal, frequency signal, switch state signal, relay protection action signal, relay protection alarm signal.
Power auto-control system as described above, wherein the system controller is specifically used for:
If the variation that the POWER SYSTEM STATE signal received occurs is consistent with preset trigger condition, by the electricity
The variation of Force system status signal and currently detected POWER SYSTEM STATE with it is described prefabricated in the anti-fault countermeasure table
Scene mode is compared, the action sequence executed required for the accomplished anti-fault countermeasure table；Wherein, the movement sequence
It is classified as the separating brake movement switched in the electric system and/or feed motion.
The control instruction comprising the action sequence is generated, and the scene is sent to by the communication control bus and is controlled
Device processed.
Power auto-control system as described above, wherein the field controller is specifically used for:
The control instruction comprising the action sequence is received, electric operating corresponding with the switch in action sequence is controlled
Mechanism executes corresponding separating brake movement and/or feed motion.
Power auto-control system as described above, wherein the system controller is also used to:
According to electric system framework, multiple POWER SYSTEM STATEs institute under the preset trigger condition is simulated in advance
The action sequence that need to be executed；
By the action sequence of the POWER SYSTEM STATE corresponding preset trigger condition and required execution
It is recorded in the anti-fault countermeasure table as a list item；Store the anti-fault countermeasure table.
Power auto-control system as described above, wherein described to control electricity corresponding with the switch in action sequence
After pneumatic operating mechanism executes corresponding separating brake movement and/or feed motion, the field controller is also used to:
The POWER SYSTEM STATE signal is detected again, and whether verifying movement is performed；
If being performed, then POWER SYSTEM STATE signal is continued to test, until changing；
As not being performed, then using the switch motion being not carried out as the trigger condition, again with the anti-fault countermeasure
The prefabricated scene mode in table is compared, the action sequence executed needed for the accomplished anti-fault countermeasure；It will give birth to
At the control instruction comprising the action sequence field controller is sent to by the communication control bus.
Power auto-control system provided by the invention, including at least one power auto-control subsystem；Wherein, one
The power auto-control subsystem includes: communication control bus, system controller and field controller；Communication control bus
For realizing the communication between the system controller and the field controller；The field controller is for acquiring electric power
The POWER SYSTEM STATE signal is converted to the identifiable signal of the system controller, by described by system status signal
The POWER SYSTEM STATE signal after conversion is sent to the system controller by communication control bus, is received and is executed described
The control instruction that system controller is sent, and control instruction implementing result is sent to the system controller；The system control
Device is used for, and storage includes the anti-fault countermeasure table of multiple prefabricated scene modes；It is received by the communication control bus described existing
POWER SYSTEM STATE signal after the conversion that field controller is sent sends the control instruction to the field controller,
And receive the control instruction implementing result that the field controller is sent.Can electric system generate failure when, according to
Anti- fault countermeasure table is realized and is automatically controlled, simplifies the work of operation maintenance personnel, so that electric system movement is quick and precisely, for electricity
The continuity of Force system power supply provides reliable guarantee.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of power auto-control system embodiment one of the present invention；
Fig. 2 is the schematic diagram of the practical application scene of power auto-control system of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of power auto-control system embodiment one of the present invention.Referring to Fig.1, the embodiment of the present invention
The power auto-control system of offer may include at least one power auto-control subsystem；Specifically, an electric power is automatic
Control subsystem may include: communication control bus, system controller and field controller；
Communication control bus is for realizing the communication between system controller and field controller；
POWER SYSTEM STATE signal is converted to system controller for acquiring POWER SYSTEM STATE signal by field controller
POWER SYSTEM STATE signal after conversion is sent to system controller by communication control bus by identifiable signal, is received
And the control instruction of system controller transmission is executed, and send control instruction implementing result to system controller；
System controller is for storing the anti-fault countermeasure table comprising multiple prefabricated scene modes；Pass through communication control bus
POWER SYSTEM STATE signal after receiving the conversion that field controller is sent sends control instruction to field controller, and receives
The control instruction implementing result that field controller is sent.
Specifically, POWER SYSTEM STATE signal may include following at least one: voltage signal, current signal, frequency letter
Number, switch state signal, relay protection action signal, relay protection alarm signal；If after the conversion that system controller receives
POWER SYSTEM STATE signal occur variation it is consistent with preset trigger condition, then by the POWER SYSTEM STATE signal after conversion
Variation and currently detected POWER SYSTEM STATE, are compared with the prefabricated scene mode in anti-fault countermeasure table, obtain reality
The action sequence now executed required for anti-fault countermeasure, wherein action sequence be the separating brake movement switched in electric system and/or
Feed motion；The control instruction comprising action sequence is generated, and field controller is sent to by communication control bus.
After field controller receives the control instruction comprising action sequence, control corresponding with the switch in action sequence
Motor-operating mechanism executes corresponding separating brake movement and/or feed motion, to realize anti-fault countermeasure.
Referring to Fig.1, system controller may include power module, communication module and controller module, power supply mould therein
Block is used to provide available power supply for system controller, and communication module is used to carry out information exchange with field controller, it includes
The function of communication interface gateway, controller module is for storing the anti-fault countermeasure table comprising multiple prefabricated scene modes, if electric
Force system status signal changes, and the variation occurred is consistent with preset trigger condition, then controller module can be according to obtaining
Prefabricated scene mode in POWER SYSTEM STATE getting, corresponding with POWER SYSTEM STATE signal and anti-fault countermeasure table carries out
Compare, obtains the action sequence executed needed for realizing anti-fault countermeasure, generate and issue the control instruction comprising action sequence, with
Field controller is set to control the switch motion of electric system according to action sequence；Controller module is after issuing control instruction, also
The control instruction implementing result that available field controller is sent.
Field controller may include power module, communication module, input unit, output unit and controller module,
In power module be used to for field controller provide available electric energy；Communication module is used to carry out information friendship with system controller
It changes, it includes communication interface gateway functions；Input unit is for acquiring POWER SYSTEM STATE signal, including voltage signal, electric current
Signal, frequency signal, switch state signal, the folding, maintenance, trip position of such as switch, fault-signal such as pass through electric system
Protective relaying device obtain power loss pressure, overvoltage, overcurrent long delay, the short delay of overcurrent, overcurrent quick-break, arc light and
Differential equal relay protection signals；Output unit is used under control of the controller module according to control instruction, is sent out to control object
Out can control target identification instruction, execute switch motion；Controller module is used to handle the power train of input unit acquisition
POWER SYSTEM STATE signal is converted to the signal that can be identified by system controller by system status signal, and total by communication control
Line is uploaded to system controller, while can also control output unit according to the control instruction of system controller and execute instruction.
Further, as shown in Figure 1, power auto-control system can also include management communication bus and management equipment；
Communication bus is managed for realizing the communication between management equipment and system controller；Management equipment is for receiving system controller
POWER SYSTEM STATE, the alarm signal sent by management communication bus, receives POWER SYSTEM STATE inquiry instruction, handles and show
Show POWER SYSTEM STATE.
In practical application, the major function of management equipment may include: the POWER SYSTEM STATE signal according to acquisition, will match
The information such as voltage, electric current, frequency, switch state, the fault condition of electric equipment, in conjunction with the electric system framework pre-entered, system
At the power system architectures figure of real-time visual；Record the data such as voltage, electric current, frequency of controller switching equipment, and by data conversion
At time amplitude curve, shown in visual man-machine interface；When electric system is broken down, in visual people
Fault condition is shown on machine interface, and when carrying out anti-troubleshooting, directly by the screen switching shown in man-machine interface to event
Barrier scene, monitors the case where fault in-situ, and can intuitively show that current failure is handled in man-machine interface simultaneously
Process and step further can also release the warning window for having voice alarm function automatically, mentioned with carrying out failure
Show；It can also be inputted and be instructed by man-machine interface.It should be noted that according to the demand of user, monitor terminal can also be arranged
To realize above-mentioned function.
Communication control bus and management communication bus can use transmission control protocol/Internet Protocol
(Transmission Control Protocol/Internet Protocol, TCP/IP) bus or building automation and coutrol net
Network data communication protocol (A Data Communication Protocol for Building Automation and
Control Networks/IP, BACnet/IP) bus or MODBUS/TCP bus；Or Profibus, BACnet/
RS485, Lonwork, MODBUS/RS485, controller LAN (Controller Area Network, CAN), electrical installation
Standardized bus or the consensus standards such as bus (Electrical Installation Bus, EIB), the present embodiment to this not
It is limited.
In view of in practical application, to the fault-tolerant of power auto-control system and can on-line maintenance require, then in this reality
It applies in the above-mentioned power auto-control system of example, may include that two one of electric power of power auto-control subsystem are controlled automatically
Subsystem is main power auto-control subsystem, and other power auto-control subsystems are that redundant power automatically controls subsystem
System；Redundant power autonomous control subsystem is used to realize when firmly power auto-control subsystem breaks down to electric system
Control, thus reach power auto-control system System Fault Tolerance and can on-line maintenance demand, it is to be understood that
In some feasible embodiments, according to actual needs, all or part of redundant power autonomous control subsystem can also be removed
Management communication bus or communication control bus, with simplied system structure.
On the basis of the above embodiments, in conjunction with Fig. 2, to the system control of the present embodiment by taking three prefabricated scene modes as an example
The anti-fault countermeasure table of device storage processed is illustrated.
Firstly, the practical application scene to the embodiment of the present invention is illustrated.Referring to Fig. 2, practical application field shown in Fig. 2
Jing Zhong, electric system include two-way alternating current, the power generation of two-way bavin, two sections of buses, and are provided with two interconnection switches.Table one gives
The coding rule of switch, bus in Fig. 2, as shown in Table 1:
Table one
Wherein, high pressure 10kV bus sectionalized single busbar connection, usually interconnection switch separating brake, two sections of buses are separately operable, two sections of mothers
Line is powered respectively by two-way alternating current, when mains supply has a power failure, by 10kV diesel generating set as backup power source.
It should be noted that setting two interconnection switches 2AB and 2AB ' purpose be make system can realize it is planned
Line maintenance function.That is: when interconnection switch 2AB breaks down, the switch and another connection of the direct-connected bus source side of 2AB can be disconnected
Network switch 2AB '；Power supply without influencing another section of bus 2B#, realization is planned can on-line maintenance function.To simplify system
Control logic only carries out automatically controlling 2AB；2AB ' usually to be closed simultaneously, using manually controlling, is not involved in automatic control；Bavin
Using automatically controlling, bavin hair, which is shut down, is shut down or be can also be used manual control mode using automatic control delay for hair starting；Power supply into
No-voltage trip relay protection is arranged in wiretap, feeder switch.
By analyzing the possible system architecture of electric system, POWER SYSTEM STATE that may be present is obtained.For
Custom power system, failure include electric system internal fault and electric system external fault；Wherein, event outside electric system
User's mains supply side electrical malfunction, causes user side to have a power failure when barrier；Electric system internal fault may include: overload,
Overcurrent, overvoltage, under-voltage, arc protection, zero-sequenceprotection etc., relay protection system can be protected and switch commanded to make accordingly
The failure of reaction, further include switch failure, switch jump, switch failure and caused by the electrical equipment malfunctions such as overstepping, by
It cannot be improved in relay protection system and handle these failures, thus need to solve from the level of power system architectures.
It, can be using electric system external fault and electric system internal fault as trigger condition, in advance in the present embodiment
It is simulated in custom power system, when obtaining certain system description, the corresponding electric system of a certain trigger condition should be taken dynamic
Make sequence, multiple prefabricated scene modes are organized into table, obtain anti-fault countermeasure by a kind of situation as a kind of prefabricated scene mode
Table, then in the system controller by the storage of anti-fault countermeasure table, when meeting trigger condition, pass through the power train that will be obtained in real time
System state is compared with the action sequence in anti-fault countermeasure table, obtains executing action sequence accordingly, then execute movement sequence
Column；And action sequence and then secondary detection POWER SYSTEM STATE signal are being executed, whether verifying movement is performed；As held
Row, then continue to test POWER SYSTEM STATE signal, until changing；If not being performed, then the switch motion being not carried out is made
For the trigger condition, it is compared again with the prefabricated scene mode in the anti-fault countermeasure table, accomplished institute
State the action sequence executed needed for anti-fault countermeasure；The control instruction comprising the action sequence of generation is passed through into the control
Communication bus is sent to the field controller；The automatic control to electric system is realized with this.
Prefabricated scene mode is illustrated in conjunction with Fig. 2.It is understood that following prefabricated scene modes are not
Cover all possible scene mode.
Prefabricated scene mode one is the power failure of alternating current 1.When electric system is not broken down, initial launch mode is M1:
S201h-F201f-2AKh-2ABf-S202h-F202f-2BKh；The trigger condition of prefabricated scene mode one is outside electric system
Failure, that is, detect that electric current, the voltage of S201 switch end of incoming cables are below setting value；The reaction of electric system caused by this time
It acts and trips for S201 no-voltage trip, 2A# bus power loss, 2AK no-voltage trip movement tripping, that is, the operational mode of electric system
Become M1 ': S201f-F201f-2AKf-2ABf-S202h-F202f-2BKh；By M1 and M1 ' it is compared, obtain action sequence
For 2AB closing operation, 2AK closing operation, feeder switch delay sequence is closed a floodgate；The operational mode of electric system is after execution operation
M3:S201f-F201f-2AKh-2ABh-S202h-F202f-2BKh.
If after alternating current 1 has a power failure, and restoring electricity, detect that S201 switch end of incoming cables voltage continues normally, then to execute at this time
Action sequence AB sub-switching operation, 2S01 closing operation, 2AK closing operation, feeder switch delay sequence is closed a floodgate, by electric system
Operational mode is switched to M1.
If 2AB, which closes a floodgate, to fail during the operational mode of electric system is switched to M1, detects and sent out to 2AB
Switching signal is sent, but 2AB does not carry out closing operation, then executes action sequence to diesel generator system and send enabled instruction, inspection
After survey F201 switch voltage suitable for reading is normal, F201 carries out closing operation, 2AK closing operation, and feeder switch delay sequence is closed a floodgate, by
The operational mode of electric system is switched to S201f-F201h-2AKh-2ABf-S202h-F202f-2BKh.
If after 2AB closes a floodgate, 2AB ' jump is disconnected, detection during the operational mode of electric system is switched to M1
It trips and disconnects to 2AB ', but relay protection does not issue action request, then execute action sequence and opened to diesel generator system transmission
Instruction is moved, after detection F201 switch voltage suitable for reading is normal, F201 carries out closing operation, 2AK closing operation, and feeder switch is delayed suitable
Sequence is closed a floodgate, and the operational mode of electric system is switched to S201f-F201h-2AKh-2ABf-S202h-F202f-2BKh.
If 2B# bus breaks down, at this time 2B# bus-bar fault, such as after the operational mode of electric system is switched to M3
Short circuit causes bus arc protection to act, and detects S202 relay protection movement tripping；2BK relay protection movement tripping；2AB'
Relay protection movement tripping；The movement tripping of 2AK no-voltage trip；Then execute action sequence: AB sub-switching operation, to diesel-driven generator system
System send enabled instruction, detection F201 switch voltage suitable for reading it is normal after, F201 carry out closing operation, 2AK carry out closing operation,
Feeder switch delay sequence is closed a floodgate, and the operational mode of electric system is switched to M11:S201f-F201h-2AKh-2ABh-
S202f-F202f-2BKf。
If S202 relay protection movement tripping, S202 is issued at this time after the operational mode of electric system is switched to M3
Trip signal detects S202 relay protection movement tripping；The movement tripping of 2AK no-voltage trip；The movement tripping of 2BK no-voltage trip；
Then execute action sequence: 2AB sub-switching operation sends enabled instruction to diesel generator system, and detection F201 switchs voltage suitable for reading
After normal, F201 carries out closing operation, and 2AK closing operation, feeder switch delay sequence is closed a floodgate, by the operational mode of electric system
It is switched to M11:S201f-F201h-2AKh-2ABh-S202f-F202f-2BKf.
If after the operational mode of electric system is switched to M3, because of 2BK feeder switch tripping, bypass the immediate leadership to S202 switch after
Electric protection tripping, 2BK issues tripping signal at this time；S202 issues trip signal, detects S202 relay protection movement tripping；
The movement tripping of 2AK no-voltage trip；The movement tripping of 2BK no-voltage trip；Then execute action sequence: 2AB carries out sub-switching operation, to diesel oil
Generator system sends enabled instruction, and after detection F201 switch voltage suitable for reading is normal, F201 carries out closing operation, and 2AK is closed
Lock operation, feeder switch delay sequence are closed a floodgate, and the operational mode of electric system is switched to M11:S201f-F201h-2AKh-
2ABh-S202f-F202f-2BKf。
Prefabricated scene mode two is the power failure of alternating current 1, after electric system is transformed into operational mode M3, alternating current 2 occurs and has a power failure.?
When alternating current 2 does not have a power failure, the initial launch mode of electric system is M3:S201f-F201f-2AKh-2ABh-S202h-
F202f-2BKh；The trigger condition of prefabricated scene mode two is electric system external fault, that is, detects that S201 switchs end of incoming cables
Electric current, voltage be below setting value, detect S202 switch end of incoming cables electric current, voltage be below setting value；It causes at this time
The reaction of electric system be S201, S202 equal no-voltage trip movement tripping, the equal bus power loss of 2A#, 2B#, the equal decompression of 2AK, 2BK
Trip action tripping, that is, the operational mode of electric system at this time becomes M3 ': S201f-F201f-2AKf-2ABh-S202f-
F202f-2BKf；By M3 and M3 ' it is compared, obtaining action sequence is that enabled instruction, detection are sent to diesel generator system
After F201, F202 switch voltage suitable for reading are normal, interconnection switch 2AB sub-switching operation, F201, F202 carry out closing operation, and 2AK closes a floodgate
Operation, 2BK closing operation, feeder switch delay sequence are closed a floodgate；Execute the operational mode of electric system after operating are as follows: S201f-
F201h-2AKh-2ABf-S202f-F202h-2BKh。
If after two-way alternating current has a power failure, alternating current 2 restores electricity, detect that S202 switch end of incoming cables voltage continues just at this time
Often, then it executes action sequence F202 and carries out sub-switching operation (tripping of 2BK no-voltage trip), S202 carries out closing operation, and 2BK is closed
Lock operation, F201 carry out sub-switching operation (tripping of 2AK no-voltage trip), and interconnection switch 2AB closing operation, 2AK carries out closing operation,
The operational mode of electric system is switched to M3.
If alternating current 2 occurs and has a power failure, or goes out in prefabricated scene mode two after the operational mode of electric system is switched to M3
Existing 2AB separating brake failure detects and sends enabled instruction to diesel generator system, and detection F201, F201 switch voltage suitable for reading
After normal, the instruction of 2AB separating brake is issued, detects 2AB separating brake failure signal；Then execute action sequence: F201 carries out closing operation,
2AK carries out closing operation, and 2BK carries out closing operation, and feeder switch delay sequence closes a floodgate, the operational mode of electric system is switched
Are as follows: S201f-F201h-2AKh-2ABh-S202f-F202h-2BKh.
If alternating current 2 occurs and has a power failure, or in prefabricated scene mode two after the operational mode of electric system is switched to M3,
It is normal that F201 switchs voltage suitable for reading, but F202 switch voltage suitable for reading is abnormal, detects and opens to diesel generator system transmission
Dynamic instruction.It is normal to detect F201 switch voltage suitable for reading, but F202 switch voltage suitable for reading is abnormal；Then execute action sequence: F201
Closing operation is carried out, 2AK carries out closing operation, and 2BK carries out closing operation, and feeder switch delay sequence is closed a floodgate, by electric system
Operational mode switching are as follows: S201f-F201h-2AKh-2ABh-S202f-F202h-2BKh.
If alternating current 2 occurs and has a power failure, or goes out in prefabricated scene mode two after the operational mode of electric system is switched to M3
Existing F201, which closes a floodgate, to be completed, but F202 closes a floodgate and fails, and is detected and is sent switching signal to F202, but F202 does not carry out combined floodgate behaviour
Make；Then execute action sequence: 2AB carries out closing operation, and 2AK carries out closing operation, and 2BK carries out closing operation, and feeder switch prolongs
Shi Shunxu closes a floodgate, and the operational mode of electric system is switched are as follows: S201f-F201h-2AKh-2ABh-S202f-F202h-2BKh.
If alternating current 2 occurs and has a power failure, or goes out in prefabricated scene mode two after the operational mode of electric system is switched to M3
It is normal that existing F202 switchs voltage suitable for reading, but F201 switch voltage suitable for reading is abnormal, detects and sends to diesel generator system
Enabled instruction.It is normal to detect F202 switch voltage suitable for reading, but F201 switch voltage suitable for reading is abnormal；Then execute action sequence:
F202 carries out closing operation, and 2AK carries out closing operation, and 2BK carries out closing operation, and feeder switch delay sequence is closed a floodgate, by electric power
The operational mode of system switches are as follows: S201f-F201f-2AKh-2ABh-S202f-F202h-2BKh.
If alternating current 2 occurs and has a power failure, or goes out in prefabricated scene mode two after the operational mode of electric system is switched to M3
Existing F202, which closes a floodgate, to be completed, but F201 closes a floodgate and fails, and is detected and is sent switching signal to F201, but F201 does not carry out combined floodgate behaviour
Make；Then execute action sequence: 2AB carries out closing operation, and 2AK carries out closing operation, and 2BK carries out closing operation, and feeder switch prolongs
Shi Shunxu closes a floodgate, and the operational mode of electric system is switched are as follows: S201f-F201f-2AKh-2ABh-S202f-F202h-2BKh.
Prefabricated scene mode three is that alternating current 1 and alternating current 2 have a power failure simultaneously.It is initial to transport when electric system is not broken down
Row mode is M1:S201h-F201f-2AKh-2ABf-S202h-F202f-2BKh；The trigger condition of prefabricated scene mode three is
Electric system external fault, that is, detect that electric current, the voltage of S201 switch end of incoming cables are below setting value, detect that S202 is opened
Put the electric current of line end into, voltage is below setting value；The reaction of electric system caused by this time is that the movement of S201 no-voltage trip is jumped
Lock, 2A# bus power loss, 2AK no-voltage trip movement tripping, that is, the operational mode of electric system at this time becomes M1 ": S201f-
F201f-2AKf-2ABf-S202f-F202f-2BKf；M1 and M1 " is compared, obtaining action sequence is to diesel-driven generator
System sends enabled instruction, detection F201, F202 switch voltage suitable for reading it is normal after, F201, F202 carry out closing operation,
2AK carries out closing operation, and 2BK carries out closing operation, and feeder switch delay sequence is closed a floodgate；Execute the operation of electric system after operating
Mode is M3:S201f-F201f-2AKh-2ABh-S202h-F202f-2BKh.
The power auto-control system of the present embodiment, including at least one power auto-control subsystem；Wherein, an electricity
Power autonomous control subsystem includes: communication control bus, system controller and field controller；Communication control bus is for real
Communication between existing system controller and field controller；Field controller, will be electric for acquiring POWER SYSTEM STATE signal
Force system status signal is converted to the identifiable signal of system controller, by communication control bus by the electric system after conversion
Status signal is sent to system controller, receives and execute the control instruction of system controller transmission, and send out to system controller
Send control instruction implementing result；System controller is for storing the anti-fault countermeasure table comprising multiple prefabricated scene modes；Pass through
Communication control bus receives the POWER SYSTEM STATE signal after the conversion that field controller is sent, and sends and controls to field controller
Instruction, and the control instruction implementing result of field controller transmission is received, it can be when electric system generates failure, according to anti-event
Hinder prediction scheme table, realizes and automatically control, simplify the work of operation maintenance personnel, so that electric system movement is quick and precisely, it is power train
The continuity of system power supply provides reliable guarantee.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (1)
1. a kind of power auto-control system, which is characterized in that including at least one power auto-control subsystem；Wherein, one
A power auto-control subsystem includes: communication control bus, system controller and field controller；
The communication control bus is for realizing the communication between the system controller and the field controller；
The POWER SYSTEM STATE signal is converted to the system for acquiring POWER SYSTEM STATE signal by the field controller
The POWER SYSTEM STATE signal after conversion, is sent to by the system identifiable signal of controller by the communication control bus
The system controller receives and executes the control instruction that the system controller is sent, and sends to the system controller
Control instruction implementing result；
The system controller is used for, and storage includes the anti-fault countermeasure table of multiple prefabricated scene modes；It is logical by the control
News bus receives the POWER SYSTEM STATE signal after the conversion that the field controller is sent, and sends out to the field controller
The control instruction is sent, and receives the control instruction implementing result that the field controller is sent；
The POWER SYSTEM STATE signal comprises at least one of the following: voltage signal, current signal, frequency signal, switch state
Signal, relay protection action signal, relay protection alarm signal；
The system controller is specifically used for:
If the variation that the POWER SYSTEM STATE signal received occurs is consistent with preset trigger condition, by the power train
The variation and currently detected POWER SYSTEM STATE of system status signal, with the prefabricated scene in the anti-fault countermeasure table
Mode is compared, the action sequence executed required for accomplished anti-fault countermeasure；Wherein, the action sequence is the electricity
The separating brake movement switched in Force system and/or feed motion；
The control instruction comprising the action sequence is generated, and the field control is sent to by the communication control bus
Device；
The system controller is also used to:
According to electric system framework, the required execution under the preset trigger condition of multiple POWER SYSTEM STATEs is simulated in advance
The action sequence；
Using a corresponding preset trigger condition of POWER SYSTEM STATE and the action sequence of required execution as
One list item is recorded in the anti-fault countermeasure table；Store the anti-fault countermeasure table.
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| CN107294202B (en) * | 2016-03-31 | 2022-09-23 | 中兴通讯股份有限公司 | Power distribution control circuit method and device |
| CN107086553B (en) * | 2017-06-30 | 2020-01-03 | 南方电网科学研究院有限责任公司 | Control protection method and system for direct current transmission system |
| CN110104467A (en) * | 2019-06-06 | 2019-08-09 | 中国神华能源股份有限公司 | Tippler sprinkling control method and system |
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