CN108037716A - The redundancy design method of intelligent primary equipment IED devices - Google Patents

The redundancy design method of intelligent primary equipment IED devices Download PDF

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Publication number
CN108037716A
CN108037716A CN201711238181.1A CN201711238181A CN108037716A CN 108037716 A CN108037716 A CN 108037716A CN 201711238181 A CN201711238181 A CN 201711238181A CN 108037716 A CN108037716 A CN 108037716A
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signal
ied devices
ied
devices
primary equipment
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CN108037716B (en
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谢志迅
姜国连
满振梅
周正超
杨军伟
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Nanjing Tongda Electric Technology Co Ltd
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Nanjing Tongda Electric Technology Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048Monitoring; Safety

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Safety Devices In Control Systems (AREA)

Abstract

The invention discloses the redundancy design method of intelligent primary equipment IED devices, belong to technical field of electric power, establish the background system in substation, first IED devices, 2nd IED devices, signal combining means and primary equipment, realize that two covering devices are run at the same time, it is spare each other, solves the technical problem of the Redundant Control of primary equipment body switch board, the present invention is run at the same time by the two sets of IED being mutually redundant devices, information sharing, it is spare each other, by intelligent primary equipment related data, operating status, the contents such as control information are shared with two sets of IED devices respectively, ensure that the information of two sets of IED equipment is consistent, two complete equipments can carry out data interaction to two sets of background systems at the same time at the same time, improve equipment operational reliability;Greatly reduce the incidence of failure, reduce economic loss, improve the efficiency and accuracy of troubleshooting.

Description

The redundancy design method of intelligent primary equipment IED devices
Technical field
The invention belongs to technical field of electric power, the redundancy design method of more particularly to intelligent primary equipment IED devices.
Background technology
Power grid primary equipment mainly includes transformer and breaker, these important primary equipments are except conventional protection control Outside system processed, there are control function necessary to some this running bodies, such as body cooling control, gear is adjusted and SF6 is let out Reveal monitoring and controlling etc., these controls are realized usually by primary equipment producer designed, designed and configuration using on-site control.With Project of transmitting and converting electricity voltage class is higher and higher, and extra-high voltage transformer and breaker application are also more and more, will to system reliability Ask also higher and higher.Since extra-high voltage project Protection control system realizes dual redundant configuration already, and primary equipment The sole disposition that the IED devices of body switch board all use always in the past, once IED devices break down, primary equipment will Out of service or entrance failure operation state, influences the operational reliability of system entirety, so the IED of primary equipment control section The redundant configuration of device also becomes the necessary functions required by extra-high voltage electric transmission and transformation engineering design code.
As shown in Figure 1, conventional primary equipment convergence control cabinet control unit is single IED devices configuration, while with two sets from the background System interaction information and control command, this scheme have three:
1. break down inside IED devices, device can only be out of service, can not continue to ensure the normal work of body Make, influence the reliability of system operation;2. when the periphery wiring of IED devices or communication failure, device can not be discovered, only It can continue to run in spite of illness, influence the reliability of system operation;3. extra-high voltage project is since machine utilization and voltage class are all very high, The running environment of body switch board is also relatively more severe, proposes very high requirement to the designed reliability of IED devices, improves list The reliability design difficulty and its cost of device.
The content of the invention
The object of the present invention is to provide the redundancy design method of intelligent primary equipment IED devices, solves primary equipment sheet The technical problem of the Redundant Control of body switch board.
To achieve the above object, the present invention uses following technical scheme:
The redundancy design method of intelligent primary equipment IED devices, includes the following steps:
Step 1:Establish background system, the first IED devices, the 2nd IED devices, the signal combining means and one in substation Secondary device, the first IED devices and the 2nd IED devices are all connected with substation's background system, the first IED devices and the 2nd IED devices Also it is all connected with signal combining means, signal combining means connection primary equipment;First IED devices and the connection of the 2nd IED devices;
First IED devices and the 2nd IED devices are used to the operating state signal of collection primary equipment, and signal is uploaded To background system, meanwhile, the first IED devices and the 2nd IED devices receive the remote control command that background system issues, and will Remote control generation control output signal;
Signal combining means are used to the control output signal that the first IED devices and the 2nd IED devices are sent passing through logic Computing is merged into a final control signal, and incites somebody to action, which is sent to primary equipment, meanwhile, signal merges dress Put the signal for sending primary equipment and be divided into two-way, give the first IED devices all the way, another way gives the 2nd IED devices;
Step 2:First IED devices and the 2nd IED devices are independently run, and signal combining means receive first at the same time The control output signal of IED devices and the 2nd IED devices, merges device and carries out logical AND processing to control output signal, produce One final useful signal, and by the final useful signal send to primary equipment executing agency implement perform;
The logical AND processing is using the control signal that the first IED devices and the 2nd IED devices are handled with door;
Step 3:The status signal transmission that primary equipment produces answers signal by signal multiplication device to signal multiplication device Two parts are made for, is transferred to the first IED devices and the 2nd IED devices respectively, then it is only by the first IED devices and the 2nd IED devices Substation's background system is uploaded after vertical processing, it includes the following steps:
Step A:Signal combining means are equipped with analog signal multiplier;
Step B:When the status signal that primary equipment produces is digital quantity signal, signal combining means are believed according to the digital quantity Number generate and export two same logic level signals;Two logic level signals are respectively transmitted to by signal combining means One IED devices and the 2nd IED devices;
Step C:When the status signal that primary equipment produces is analog signals, analog signal multiplier believes the analog quantity Number carry out signal replication, produce identical two-way analog signal;Two-way analog signal is respectively transmitted by signal combining means To the first IED devices and the 2nd IED devices;The two-way analog signal is the analog signal of 4~20mA or 0~5V;
Step 4:Information exchange is carried out between first IED devices and the 2nd IED devices, ensures the first IED devices and second The information of IED devices is consistent, and described information includes standby operating status, equipment control condition and time, includes the following steps:
Step D:First IED devices and the 2nd IED devices automatically control logic by port transmission other side's IED devices Output state signal, and be main synchronous regime according to the device of effective logic output signal is produced at first;
Step E:Any IED self-check of device failure in the first IED devices and the 2nd IED devices simultaneously exports failure After status signal, in addition an IED device continues to execute automatic control in current automatically controlling in logic output signal state immediately Logic;
Step 5:One in first IED devices and the 2nd IED devices when breaking down, the IED devices of failure exit fortune OK, it includes the following steps:
Step F:Signal combining means mark the IED devices of the failure after IED plant failure signals are received;
Step G:The control signal of the IED devices of failure is considered as invalid signals processing by signal combining means.
Substation's background system includes two-server, and two-server is respectively background system A and background system B, the first IED devices are connected with background system A and background system B respectively, the 2nd IED devices respectively with background system A is connected with background system B.
The redundancy design method of intelligence primary equipment IED devices of the present invention, solves the control of primary equipment body The technical problem of the Redundant Control of cabinet, the present invention realize the redundant configuration of two IED devices, and two sets of IED devices are independently Operation, is realized in the case of any table apparatus breaks down by signal multiplier and signal combiner and communication synchronization System undisturbed is run, fault-free handoff procedure;The signal combining means of the present invention realize complete hardware signal processing, due to There is no software section, avoid the possibility of software fault, ensured the reliability of system signal redundancy;Two IED of the present invention Signal Synchronization Design between device ensure that the signal for automatically controlling logic is synchronous, so as to ensure in any table apparatus failure feelings Under condition, in addition a normal appts can continue the execution of control logic on the basis of original control signal, not produce any The change disturbance of control output signal;The present invention can solve the troubleshooting of the inside and outside failure of IED devices at the same time, all The final control output reliability of convergence control cabinet is not interfered with;For internal fault, can be realized by self-check of device program, for External fault, can effectively control output by the "AND" logic realization of signal combiner;Present invention employs Substation control The similar hardware and software technology of protective device, reduces the requirement to the design of single device reliability, and redundant configuration cost is relatively low, And the requirement of system reliability is met, easily installation configuration is implemented in primary equipment convergence control cabinet.
Brief description of the drawings
Fig. 1 is the structure diagram of the prior art;
Fig. 2 is the structure diagram of the present invention;
The signal that Fig. 3 is the present invention merges logic chart;
Fig. 4 is the flow chart of the present invention.
Embodiment
The redundancy design method of intelligent primary equipment IED devices as Figure 1-Figure 4, includes the following steps:
Step 1:Establish background system, the first IED devices, the 2nd IED devices, the signal combining means and one in substation Secondary device, the first IED devices and the 2nd IED devices are all connected with substation's background system, the first IED devices and the 2nd IED devices Also it is all connected with signal combining means, signal combining means connection primary equipment;First IED devices and the connection of the 2nd IED devices;
First IED devices and the 2nd IED devices are used to the operating state signal of collection primary equipment, and signal is uploaded To background system, meanwhile, the first IED devices and the 2nd IED devices receive the remote control command that background system issues, and will Remote control generation control output signal;
Signal combining means are used to the control output signal that the first IED devices and the 2nd IED devices are sent passing through logic Computing is merged into a final control signal, and incites somebody to action, which is sent to primary equipment, meanwhile, signal merges dress Put the signal for sending primary equipment and be divided into two-way, give the first IED devices all the way, another way gives the 2nd IED devices;
Step 2:First IED devices and the 2nd IED devices are independently run, and signal combining means receive first at the same time The control output signal of IED devices and the 2nd IED devices, merges device and carries out logical AND processing to control output signal, produce One final useful signal, and by the final useful signal send to primary equipment executing agency implement perform;
The logical AND processing is using the control signal that the first IED devices and the 2nd IED devices are handled with door;
Step 3:The status signal transmission that primary equipment produces answers signal by signal multiplication device to signal multiplication device Two parts are made for, is transferred to the first IED devices and the 2nd IED devices respectively, then it is only by the first IED devices and the 2nd IED devices Substation's background system is uploaded after vertical processing, it includes the following steps:
Step A:Signal combining means are equipped with analog signal multiplier;
Step B:When the status signal that primary equipment produces is digital quantity signal, signal combining means are believed according to the digital quantity Number generate and export two same logic level signals;Two logic level signals are respectively transmitted to by signal combining means One IED devices and the 2nd IED devices;
Step C:When the status signal that primary equipment produces is analog signals, analog signal multiplier believes the analog quantity Number carry out signal replication, produce identical two-way analog signal;Two-way analog signal is respectively transmitted by signal combining means To the first IED devices and the 2nd IED devices;The two-way analog signal is the analog signal of 4~20mA or 0~5V;
Step 4:Information exchange is carried out between first IED devices and the 2nd IED devices, ensures the first IED devices and second The information of IED devices is consistent, and described information includes standby operating status, equipment control condition and time, includes the following steps:
Step D:First IED devices and the 2nd IED devices automatically control logic by port transmission other side's IED devices Output state signal, and be main synchronous regime according to the device of effective logic output signal is produced at first;
Step E:Any IED self-check of device failure in the first IED devices and the 2nd IED devices simultaneously exports failure After status signal, in addition an IED device continues to execute automatic control in current automatically controlling in logic output signal state immediately Logic;
Step 5:One in first IED devices and the 2nd IED devices when breaking down, the IED devices of failure exit fortune OK, it includes the following steps:
Step F:Signal combining means mark the IED devices of the failure after IED plant failure signals are received;
Step G:The control signal of the IED devices of failure is considered as invalid signals processing by signal combining means.
Substation's background system includes two-server, and two-server is respectively background system A and background system B, the first IED devices are connected with background system A and background system B respectively, the 2nd IED devices respectively with background system A is connected with background system B.
The model GSM-102 or GSM-106 of the analog signal multiplier.
First IED devices, the 2nd IED devices and the signal combining means are arranged at primary equipment remittance control In cabinet.
The background system includes integration on-line monitoring platform or comprehensive automation system of transformer substation.
Primary equipment state is automatically controlled including temperature control, transformer gear control and GIS tonifying Qi.
Power transmission and transformation primary equipment is directly related to the stable operation reliably and with long-term of extra-high voltage electric transmission and transformation system, in order to improve one Secondary device operational reliability, lifts validity of the IED devices to apparatus body running state monitoring, and the present invention can realize IED The dual redundant configuration of device, keeps the uniformity with background monitoring system duplicate system retrofit.
The present invention in existing convergence control cabinet configure two independent operatings IED devices, and increase signal multiplication and Signal combining means, so as to ensure that (such as transformer cooler, there is load to two sets of IED devices to same set of apparatus body executing agency Tap changer or GIS gas supplying device of switch etc.) be uniformly controlled.
Distinguished according to control logic source, the control output of IED devices is divided into superior command control and automatically controls journey Sequence, in order to ensure to control output to run at the same time in the first IED devices and the 2nd IED devices or there is an IED plant failure to move back Go out under operating condition and do not disturb, can normally control output, also be needed in addition to signal multiplication and signal combining means IED devices are wanted to increase control logic synchronizing function, specific IED devices control logic is described as follows:
Step S1:First IED devices and the 2nd IED devices are all in normal operating condition:For being issued from background system The control command got off, two IED devices are independently handled, and output signal to signal combining means, signal combining means Signal is exported according to the control of IED devices and carries out "AND" logical process, generates final effective control signal output control once Apparatus body executing agency;For automatically controlling logic on the spot inside IED devices, two IED devices calculate respectively, lead at the same time Cross communication interaction result of calculation, two table apparatus be finally subject to result of calculation control output valve bigger table apparatus output it is same Step calculates data, so as to ensure that two IED devices control output results are consistent.
Step S2:One IED is in failure operation state:The failure found for the built in self testing of IED devices, by device certainly Body sends fault status signal, and signal combining means are carried out according to the fault status signal and control output signal of IED devices "AND" logical process, it is ensured that the output signal of failed equipment is shielded;The failure occurred for the external cabling of IED devices, signal Merge the control output signal that device can compare two IED devices with exclusive logic, if two IED devices output signals Deviation is larger, then the inconsistent signal of output state, reminds operations staff's check device.
Step S3:Two IED are all in failure operation state:The failure found for the built in self testing of IED devices, if two Table apparatus all fault status signals, signal combining means will enter safe mode and run, i.e., the maximum guarantee required according to user Control output signal.
The failure occurred for the external cabling of IED devices, signal combining means can compare two IED with exclusive logic The control output signal of device, if two IED devices output deviation of signal are larger, the inconsistent signal of output state, is reminded Operations staff's check device.
The redundancy design method of intelligence primary equipment IED devices of the present invention, solves the control of primary equipment body The technical problem of the Redundant Control of cabinet, the present invention realize the redundant configuration of two IED devices, and two sets of IED devices are independently Operation, is realized in the case of any table apparatus breaks down by signal multiplier and signal combiner and communication synchronization System undisturbed is run, fault-free handoff procedure;The signal combining means of the present invention realize complete hardware signal processing, due to There is no software section, avoid the possibility of software fault, ensured the reliability of system signal redundancy;Two IED of the present invention Signal Synchronization Design between device ensure that the signal for automatically controlling logic is synchronous, so as to ensure in any table apparatus failure feelings Under condition, in addition a normal appts can continue the execution of control logic on the basis of original control signal, not produce any The change disturbance of control output signal;The present invention can solve the troubleshooting of the inside and outside failure of IED devices at the same time, all The final control output reliability of convergence control cabinet is not interfered with;For internal fault, can be realized by self-check of device program, for External fault, can effectively control output by the "AND" logic realization of signal combiner;Present invention employs Substation control The similar hardware and software technology of protective device, reduces the requirement to the design of single device reliability, and redundant configuration cost is relatively low, And the requirement of system reliability is met, easily installation configuration is implemented in primary equipment convergence control cabinet.

Claims (2)

1. the redundancy design method of intelligent primary equipment IED devices, it is characterised in that:Include the following steps:
Step 1:The background system established in substation, the first IED devices, the 2nd IED devices, signal combining means and once set Standby, the first IED devices and the 2nd IED devices are all connected with substation's background system, and the first IED devices and the 2nd IED devices are also equal Connect signal combining means, signal combining means connection primary equipment;First IED devices and the connection of the 2nd IED devices;
First IED devices and the 2nd IED devices are used to the operating state signal of collection primary equipment, and after signal is uploaded to Platform system, meanwhile, the first IED devices and the 2nd IED devices receive the remote control command that background system issues, and will be long-range Control generation control output signal;
Signal combining means are used to the control output signal that the first IED devices and the 2nd IED devices are sent passing through logical operation A final control signal is merged into, and is incited somebody to action, which is sent to primary equipment, meanwhile, signal combining means will The signal that primary equipment is sent is divided into two-way, gives the first IED devices all the way, and another way gives the 2nd IED devices;
Step 2:First IED devices and the 2nd IED devices are independently run, and signal combining means receive the first IED dresses at the same time Put and export signal with the control of the 2nd IED devices, merge device and logical AND processing is carried out to control output signal, produce one most Whole useful signal, and by the final useful signal send to primary equipment executing agency implement perform;
The logical AND processing is using the control signal that the first IED devices and the 2nd IED devices are handled with door;
Step 3:The status signal transmission that primary equipment produces to signal multiplication device, by signal multiplication device signal replication into For two parts, the first IED devices and the 2nd IED devices are transferred to respectively, then it is independent by the first IED devices and the 2nd IED devices Substation's background system is uploaded after reason, it includes the following steps:
Step A:Signal combining means are equipped with analog signal multiplier;
Step B:When the status signal that primary equipment produces is digital quantity signal, signal combining means are given birth to according to the digital quantity signal Into and export two same logic level signals;Two logic level signals are respectively transmitted to first by signal combining means IED devices and the 2nd IED devices;
Step C:The status signal that primary equipment produces is when being analog signals, analog signal multiplier to the analog signals into Row signal replication, produces identical two-way analog signal;Two-way analog signal is respectively transmitted to by signal combining means One IED devices and the 2nd IED devices;The two-way analog signal is the analog signal of 4~20mA or 0~5V;
Step 4:Information exchange is carried out between first IED devices and the 2nd IED devices, ensures the first IED devices and the 2nd IED dresses The information put is consistent, and described information includes standby operating status, equipment control condition and time, includes the following steps:
Step D:The logic that automatically controls that first IED devices and the 2nd IED devices transmit other side's IED devices by port exports Signal condition, and be main synchronous regime according to the device of effective logic output signal is produced at first;
Step E:Any IED self-check of device failure in the first IED devices and the 2nd IED devices simultaneously exports malfunction After signal, in addition an IED device continues to execute automatic control logic in current automatically controlling immediately in logic output signal state;
Step 5:One in first IED devices and the 2nd IED devices the IED devices of failure are out of service when breaking down, its Include the following steps:
Step F:Signal combining means mark the IED devices of the failure after IED plant failure signals are received;
Step G:The control signal of the IED devices of failure is considered as invalid signals processing by signal combining means.
2. the redundancy design method of intelligence primary equipment IED devices as claimed in claim 1, it is characterised in that:The power transformation Background system of standing includes two-server, and two-server is respectively background system A and background system B, the first IED devices It is connected respectively with background system A and background system B, the 2nd IED devices are connected with background system A and background system B respectively.
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CN108923530A (en) * 2018-05-23 2018-11-30 国网上海市电力公司 A kind of double set redundancy switching methods of transformer station measurement and control device
CN109765040A (en) * 2019-01-03 2019-05-17 广州供电局有限公司 The mechanical property on-line monitoring system of breaker

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CN109765040A (en) * 2019-01-03 2019-05-17 广州供电局有限公司 The mechanical property on-line monitoring system of breaker

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