CN104505947A - Transformer substation direct current power supply monitoring system and transformer substation direct current power supply monitoring method - Google Patents
Transformer substation direct current power supply monitoring system and transformer substation direct current power supply monitoring method Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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Abstract
The invention provides a transformer substation direct current power supply monitoring system and a transformer substation direct current power supply monitoring method. The system comprises an intelligent equipment information collection terminal, a human-computer interface configuration module, an intelligent electronic device (IED) model automatic configuration module, a version automatic matching module, an adaptable communication module and a background monitoring center; and the intelligent equipment information collection terminal, the HMI configuration module, the IED model automatic configuration module, the version automatic matching module and the adaptive communication module are connected with the background monitoring center. The transformer substation direct current power supply monitoring system has the advantages that a user can arrange transformer substation configuration information according to specific needs, and quickly display a corresponding transformer substation subsystem interface; according to different configuration, an IED performance description file and a map file can be quickly generated, so that the manual workload is greatly reduced, the error probability is reduced, and the labor cost is also reduced; hardware problems can be detected in advance, and appropriate strategies can be found; and the matching states of a software version of an upper computer and software version of a lower computer can be timely grasped.
Description
Technical field
The present invention relates to DC power supply monitoring field, particularly relate to a kind of transforming plant DC power supply monitoring system and method.
Background technology
At present, power network schedule automation is very ripe perfect, and increasing transformer station achieves unattended operation.But after personnel withdraw, the safe operation of transformer station becomes abnormal important, and the demand for security monitoring is more and more stronger.Although automation system for the power network dispatching covers the information of Partial DC power-supply system, most of DC equipment operation conditions can not be grasped completely.
In transformer station, DC power supply is control overhead, living load, direct current emergency lighting load etc. provide power supply, is one of important composition ensureing that transformer station normally runs.At present, transformer station is to the future development of digitlization, unattended operation type and networking centralized management, and various electric equipment realizes remote monitoring gradually, but for the remote on-line monitoring of DC power supply but without perfect embodiment; Therefore can not reflect the operation conditions of direct current system all sidedly, particularly when the operation exception initial stage appears in direct current system, dispatch automated system can not detect malfunction, is unfavorable for the real-time monitoring of DC power system and whole network system.
Operationally, mainly there is following problem in existing transforming plant DC power-supply system:
1, the configuration of the man-machine interface of existing DC power supply supervising device and transformer station, layout, wiring are a kind of close coupling patterns, each transformer station needs to develop a set of man-machine interface separately, the man-machine interface information of each transformer station can not be shown flexibly according to the requirement of transformer station, software portability is poor, be unfavorable for centralized control and digital quantity communication, effectively can not realize human-computer dialogue, in operation, operational factor can not be changed arbitrarily.
2, transforming plant DC power-supply device uses 61850 model file modelings of IEC 61850-7-420 standard implementation at present, and IEC61850-7-420 standard does not list relevant extension class to the logical node of transforming plant DC power-supply device.After DL/T 860 standard is released, original modeling method can not meet the regulation of existing standard, does not meet state's net tender standard.The logical node LN (logical node, hereinafter referred to as LN) that original model file is different because different producers creates, interoperability is poor.
61850 model files adopt the mode of manual editing to complete always, and manual editing IED performance specification (IED CapabilityDescription, hereinafter referred to as the ICD) technical requirement of file to engineering staff is high, and workload is large, easily makes mistakes.If after configuration modification, need to update IED performance profile.Wherein, IED is Intelligent Electronic Device, hereinafter referred to as IED.
3, due to the continuous-current plant of different manufacturers, to there is technical disconnection inharmonious, along with the interpolation of the demand of systems soft ware, the increasing of measuring point, the software version of DC power system may be caused not mate with the software version of other power-supply systems, equipment cannot normally run, particularly for intelligent substation and unattended power station, affect larger.
4, at present the communication mechanism of DC power supply device is first artificial manual configuration port information, then preserves parameter and restarts and come into force.Need to remodify configuration if slave computer changes the equipment of other types, then preserve parameter and restart and come into force.The technical requirement of mechanism to operating personnel of this configuration modification-preserve-restart is high, flexibility, poor compatibility.
Summary of the invention
Object of the present invention is exactly to solve the problem, provide a kind of transforming plant DC power supply monitoring system and method, this system and method can make user can according to the parameters of the effective configuring direct current power-supply system of the demand of transformer station, and each transformer station can according to the winding diagram of each DC power supply Monitor And Control Subsystem of configuration information Dynamic Announce and subsystem operation information.
To achieve these goals, the present invention adopts following technical scheme:
A kind of transforming plant DC power supply monitoring system, comprising: smart machine information acquisition terminal, man-machine interface configuration module, the automatic configuration module of IED model, version Auto-matching module, adaptive communications module and background monitoring center;
Smart machine information acquisition terminal: gather and upload the trip information of transforming plant DC power environment and the work state information of DC power supply device and circuit;
Man-machine interface configuration module: for configuring transforming plant DC power-supply system parameter information according to the actual requirements, and carry out the showing interface of transforming plant DC power-supply system;
The automatic configuration module of IED model: according to different configuration Auto-generation Model files, realize the rapid modeling to transforming plant DC power-supply device;
Version Auto-matching module: for the software version whether Auto-matching of Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit;
Adaptive communications module: for realizing the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit;
Background monitoring center: control the configuration of Direct Current Power Supervise Control System man-machine interface, IED model automatic configuration, the Auto-matching of version and the adaptive communications of equipment room and judge that the operational factor of transforming plant DC power environment is abnormal and also send warning message accordingly;
Described smart machine information acquisition terminal, man-machine interface configuration module, the automatic configuration module of IED model, version Auto-matching module are connected with background monitoring center respectively with adaptive communications module.
Described smart machine information acquisition terminal respectively with gather DC power supply information sampling module, insulation detection device, open into module, output module and communicate with charging module with battery inspection module.
Described man-machine interface configuration module comprises: host computer, slave computer and cloud computing server;
Described host computer is Direct Current Power Supervise Control System man-machine interface, and described slave computer is communication management module, and described Direct Current Power Supervise Control System man-machine interface is communicated by network interface or serial ports with communication management module;
Described communication management module gathers the alarm logging of DC power supply and sends Direct Current Power Supervise Control System man-machine interface and cloud computing center respectively to, cloud computing server is used to carry out data analysis, formed one include fault point feedback, fault level, accident cause, user area, time trend, triggering factors information statistical chart show in integrated power supply man-machine interface, described integrated power supply man-machine interface can also show Realtime Alerts record and history alarm logging.
Described adaptive communications module comprises: intelligent submodule, and described intelligent submodule is communicated with external environment condition by interface;
Described intelligent submodule comprises observation unit, self study unit and behavior unit; Described observation unit and self study unit communication, described self study unit communicates with behavior unit;
Described observation unit sends message from self study unit obtaining information to slave computer according to the internal state of system, and by the message that receives to self study unit;
Described self study unit receives the message of observation unit, formulates sending strategy, search corresponding transmission information in information bank by study and reasoning; The information of transmitting-receiving is learnt and reasoning, formulates corresponding collocation strategy;
Described behavior unit is configured equipment according to the collocation strategy of unit, and the measuring point data received forwards to backstage according to dissimilar grouping by system.
Described observation unit comprises message subelement and internal system state subgroup unit;
Described message subelement refers to the data that system communicates with slave computer, data mutual between module;
Described internal system state subgroup unit comprise port do not configure, configure in, configured and started exception.
Described self study unit comprises the reasoning subelement, information bank, study subelement and the policy library that connect successively;
Described reasoning subelement refers to that the known message to receiving processes, and infers the type of slave computer;
Described information bank refers to the massage set of the slave computer that all systems are supported;
Described study subelement refers to observation to message, reasoning;
Described policy library comprises the sending strategy, sending strategy, collocation strategy, forwarding strategy, the grouping strategy after configuration successful that do not configure.
Described behavior unit comprises adaptive configuration subelement, data retransmission subelement and packet scheduling subelement;
Described adaptive configuration subelement according to the different Auto-matchings connecing equipment under system port, without the need to user's manual modification configuration file;
Described data retransmission subelement is used for measuring point data to forward backstage;
Described packet scheduling subelement is according to the transmission of the difference of data type, the number classifying type grouping of measuring point data.
Transforming plant DC power supply monitoring system also comprises: transforming plant DC power backup battery pack Monitor And Control Subsystem, described transforming plant DC power backup battery pack Monitor And Control Subsystem comprises: some Battery pack interfaces, every Battery pack interface is all connected with cell, described battery interface battery interface adjacent thereto is connected by switch, battery interface sorts from left to right, sequence is that the battery interface odd number battery interface adjacent thereto of odd number is connected by by-pass switch, the battery interface even number battery interface adjacent thereto that sequence is even number connects, all switch controlled units control, described control unit, the closure state of each switch of real-time detection, and according to the conducting of battery information control switch and closedown, described transforming plant DC power backup battery pack Monitor And Control Subsystem is connected with background monitoring center.
Described every Battery pack interface is divided into anode interface and negative pole interface, and every Battery pack interface is all connected with the positive and negative polarities of cell,
I-th Battery pack interface B
ipositive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface passes through switch S
iconnect,
I-th Battery pack interface B
inegative/anode interface all with the i-th-1 Battery pack interface B
i-1positive/negative interface pass through switch S
i-1connect,
I-th-1 Battery pack interface B
i-1positive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface is by the by-pass switch C of series connection
i-1be connected with protective circuit;
Wherein, 1 < i < n, n is the group number of battery interface, and i is positive integer;
Described switch is connected with drive circuit, and described by-pass switch is connected with drive circuit, and described drive circuit is connected with control unit; Described control unit, detects in real time the closure state of each switch, and according to the conducting of battery information control switch and closedown.
A method of work for transforming plant DC power supply monitoring system, comprising:
Gather the work state information of the on off operating mode of each bus of transforming plant DC power-supply system and feeder switch, the operational factor of transforming plant DC power environment, transforming plant DC power backup batteries charging efficiency and transforming plant DC power-supply system equipment and be uploaded to background monitoring center;
Background monitoring center is according to the data received, be configured in conjunction with the man-machine interface of parameter configuration to Direct Current Power Supervise Control System of client upload, rapid modeling is carried out to transforming plant DC power-supply device, realize the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit, and the software version of Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit whether Auto-matching;
Meanwhile, background monitoring center controls the charging utilance of battery backup in real time according to the transforming plant DC power backup batteries charging information received;
Background monitoring center judges whether the operational factor of transforming plant DC power environment and above-mentioned operating procedure exist abnormal and send warning message accordingly.
Described the method that the man-machine interface of Direct Current Power Supervise Control System is configured to be comprised the following steps:
(1) equipment self-inspection, system initialization;
(2) reading system original configuration file information, judges whether described profile information reads successfully; If so, described original configuration file information shows in Direct Current Power Supervise Control System man-machine interface, otherwise, check or amendment configuration file errorless after again read;
(3) set up the communication between Direct Current Power Supervise Control System man-machine interface and communication management module, check whether communication is normal; If normal, the data that Direct Current Power Supervise Control System man-machine interface received communication administration module sends, by external equipment information display to man-machine interface;
(4) check whether current configuration information meets the specific requirement of transformer station, if met, layoutprocedure terminates, if undesirable, then enter step (5) and reconfigures system information,
(5) reconfigure system information at Direct Current Power Supervise Control System man-machine interface end, and described configuration information is saved in configuration file;
(6) data message configured is sent to communication management module, restarts communication management module, layoutprocedure terminates.
Described DC power system can configure N1 and state DC power supply Monitor And Control Subsystem and the secondary supervisory control system of DC power supply stated by M1 cover, and described DC power supply Monitor And Control Subsystem comprises battery inspection, charging module, insulation monitoring module, bus, inlet wire, feeder line number, regulator, fuse, lightning arrester, bus connection switch, charge switch and connection relation information; Described DC power supply is supervised secondary supervisory control system and is comprised charging module and charge switch quantity;
Automatically can generate K1 according to above-mentioned configuration information and overlap AC power supply system scheme, every sets of plan can both annexation between the primitive information of power transformation station owner showing interface DC power system and pel;
After having configured, described DC power supply Monitor And Control Subsystem can the main running status of display power supply module, power module information, state of insulation, cell voltage and feeder line dropout information.
Described the method that transforming plant DC power-supply device carries out rapid modeling to be comprised the steps:
1): start, import the ICD file that acquiescence is provided, judge whether the port arrangement of transformer station's DC power supply device changes; If just enter step 2); If not, transforming plant DC power-supply device normally starts;
2): backup IED performance profile and mapped file;
3): start to generate IED performance profile according to DL/T860 standard; Enter step 4 respectively) and step 5);
4): determine logical device LD (logical device, hereinafter referred to as LD); Enter step 6);
5): determine logical device LD with logical node LN; Enter step 6);
6): whether unsuccessfully judge to generate IED performance profile according to DL/T860 standard, if generating IED performance profile is that first time failure just returns step 3); If generating IED performance profile is that second time failure just enters step 7); If generate the success of IED performance profile just enter step 8);
7): the IED performance profile using acquiescence; And enter step 8);
8): generate corresponding mapped file according to IED performance profile; Enter step 9);
9): whether correctly verification IED performance profile and mapped file, just enter step 11 if successful); If first time verifies unsuccessfully just return step 3); If second time verifies unsuccessfully just enter step 10);
Step 10): the IED performance profile and the mapped file that use acquiescence; Enter step 11);
Step 11): transformer station's DC power supply device normally starts.
Described step 3) IED performance profile generate time use following naming rule:
(3-1): if the logical device LD quantity of same type is more than one, distinguish by adding two digits suffix;
(3-2): the data and the data attribute that belong to same functional object should be placed in same logical node LN object:
(3-2-1): if the logical device LD of same type is more than one, distinguish by adding prefix;
Nomenclature principle: function abbreviation+logical node class name.
The described method realizing the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit comprises the steps:
Step a: start, judges that whether System self-test is successful, if with regard to system initialization, enters step b; Just there is the malfunction of hardware anomalies in prompting if not, terminates;
Step b: file reading obtaining information storehouse and policy library; Judge that whether reading is successful, pick data if just send, enter step c, just point out the malfunction of file exception if not, end;
Step c: judge whether port arrangement completes, if with regard to data retransmission packet scheduling: the difference according to data type forwards backstage measuring point data grouping, and system normally starts; Just enter steps d if not;
Steps d: formulate collocation strategy, judge whether to there is collocation strategy, if just preserve file after configured port, put configuration and be masked as successfully, system normally starts; Just terminate if not.
Information bank in described step b refers to the massage set of the slave computer that all systems are supported; Policy library comprises the sending strategy, sending strategy, collocation strategy, forwarding strategy, the grouping strategy after configuration successful that do not configure; Described collocation strategy comprises whether configured port starts, number of devices and device type.
The step of the formulation collocation strategy of described steps d is:
Step (d-1): need configuration, amendment configuration is masked as " configuration ";
Step (d-2): the validity judging the data communicated with slave computer according to School Affairs, effective length and type, if effectively just enter step (d-3); Step (d-4) is just entered if invalid;
Step (d-3): search information bank, obtains the response message communicated with slave computer; Enter step (d-5);
Step (d-4): put and do not configure flag data extremely, cannot correctly configure, terminate;
Step (d-5): reasoning: process the known message received, infers the type of slave computer; Enter step (d-6);
Step (d-6): self study: to observation, the reasoning of message; Enter step (d-7);
Step (d-7): whether there is reasoning in determination strategy storehouse, learn the port arrangement strategy that arrives; If just enter step (d-8); Just enter step (d-9) if not;
Step (d-8): formulate port arrangement strategy; Enter step (d-10);
Step (d-9): put " not configuring mark ", prompting connects abnormal; Correctly cannot configure, terminate;
Step (d-10): judge that whether configuration is successful, if just put configuration complement mark, complete correct configuration; Just put if not and do not configure sign prompting connection extremely; Cannot configure, terminate.
The method of the software version of described Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit whether Auto-matching comprises the steps:
1. adaptive communications administration module reads configuration file, obtains version matching table;
2. the information obtained is added up, the software version of register system, the software version of slave computer and slave computer type;
3. according to software version and the slave computer type of system, from version matching table, the supporting version scope of slave computer is inquired about;
If the software version of the slave computer of 4. docking is higher than the supporting version range limit of host computer, then slave computer reports measuring point number to be greater than the measuring point of system log (SYSLOG) value, host computer still processes measuring point that slave computer reports but abandons the measuring point of the many reports of slave computer, can normally work with guarantee system, and point out related personnel's upper computer software version low, host computer of upgrading as early as possible;
If the software version of the slave computer of 5. docking is lower than the supporting version range lower limit of host computer, then slave computer reports measuring point number to be less than the measuring point of system log (SYSLOG) value, host computer still processes the measuring point that slave computer reports, can normally work with guarantee system, and point out related personnel's slave computer software version low, slave computer of upgrading as early as possible;
6. system works on.
The method that described background monitoring center controls the charging utilance of battery backup in real time according to the transforming plant DC power backup batteries charging information received comprises the steps:
Step 1): battery discharge, detects monomer battery voltage;
Step 2): judge minimum monomer battery voltage V
minwhether be less than discharge regime battery and switch threshold value V
low, if represent that this batteries has entered latter stage of discharging, capacity is about to give out light, and just enters step 3; Just return step 1 if not);
Step 3): judge whether the condition meeting electric discharge excision, namely judge present battery group total voltage V
totalwhether be greater than the minimum supply power voltage V that vehicle power module requires
in, if just enter step 4); Just enter step 5 if not);
Step 4): the battery cutting away brownout, upgrades minimum monomer battery voltage V
min, preserve excision state information; Enter step 5);
Step 5): judge battery electric quantity whether lower than the minimum operating voltage of load, if just enter step 6); Just return step 1 if not);
Step 6): battery charges, and detects monomer battery voltage, enters step 7);
Step 7): judge most high monomer cell voltage V
maxwhether be greater than charging stage battery and switch threshold value V
high, if represent that this batteries has entered latter stage of charging, capacity is about to be full of, and just enters step 8); Just return step 6 if not);
Step 8): judge whether to meet charging excision condition, namely judge present battery group total voltage V
totalwhether be greater than charger minimum output voltage V
charge, if just enter step 9); Just enter step 10 if not);
Step 9): cut away this batteries, upgrade most high monomer cell voltage V
max, preserve excision state information; Enter step 10);
Step 10): judge whether battery is full of, if just return step 1); Just enter step 7 if not).
Described step 4) in cut away the battery of brownout detailed process be: brownout battery is cut away from battery pack, the by-pass switch C of this batteries first closed
i-1, impact circulation when protective circuit absorbs closed, avoids battery short circuit; Then by the switching circuit S at these batteries two ends
i-1and S
idisconnect, battery is excised in battery pack.
Beneficial effect of the present invention:
1, the present invention is by carrying out communicating for carrying out DC power supply monitoring with communication management module by MCGS configuration screen TPC1062K (man-machine interface).Achieve DC power supply supervising device cost low, simple to operate, adaptable, Consumer's Experience is good, and software recycling is worth high, and user can arrange configuration information of transformer substation according to particular demands, shows corresponding transformer station subsystem interfaces fast.
2, cloud computing is utilized to be a kind of brand-new detection method to analyze the fault point data of DC power supply monitoring, by network fault point data upload to cloud computing center, then cloud computing center is utilized to carry out statistics and analysis to fault point data, draw failure-description information pie chart, can engineers and technicians be arranged fast to safeguard and overhaul.
3, the automatic configuration module of IED model of Direct Current Power Supervise Control System of the present invention can ensure that the IED performance profile generated meets DL/T860 standard, and can judge the correctness of IED performance profile and mapped file; Difference according to configuration generates IED performance profile and mapped file rapidly, considerably reduces manual work amount, reduces error probability, reduces cost of labor.
4, the adaptive communications module of Direct Current Power Supervise Control System of the present invention can detect the hardware problem of existence in advance, and corresponding strategy is found in the content reasoning study according to information bank, has cognitive function to the message of transmitting-receiving; Without the need to manual preparation, by automatically slave computer can be adapted to the cognition of interactive information; Program portability, extensibility are strong.Information bank, policy library can add according to different demands flexibly or delete, and facilitate the expansion of user interface.
5, cognitive adaptive communications mechanism is adopted when the version Auto-matching module of Direct Current Power Supervise Control System of the present invention makes Direct Current Power Supervise Control System communicate with a sub-supervisory control system, software version is automatically compatible, the match condition of the software version of host computer and the software version of slave computer can be grasped in time, avoid due to the incompatible situation causing system normally to run.
Accompanying drawing explanation
Fig. 1 is transforming plant DC power backup battery pack Monitor And Control Subsystem structural representation of the present invention;
Fig. 2 is DC power supply monitoring human-computer interface collocation method flow chart of the present invention;
Fig. 3 is DC power supply monitoring human-computer interface of the present invention and communication management module communication scheme;
Fig. 4 is that Direct Current Power Supervise Control System of the present invention generates ICD, mapped file flow chart automatically;
Fig. 5 is the cognitive ring model of Direct Current Power Supervise Control System adaptive communications module of the present invention;
The overall flow figure of Fig. 6 Direct Current Power Supervise Control System adaptive communications of the present invention;
Fig. 7 is the flow chart that Direct Current Power Supervise Control System adaptive communications module of the present invention formulates collocation strategy;
Fig. 8 is the flow chart of Direct Current Power Supervise Control System version Auto-matching of the present invention;
Fig. 9 is the method flow diagram that the present invention improves transforming plant DC power backup batteries charging utilance.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
Transforming plant DC power supply monitoring system comprises: smart machine information acquisition terminal, man-machine interface configuration module, the automatic configuration module of IED model, version Auto-matching module, adaptive communications module and background monitoring center; Smart machine information acquisition terminal, man-machine interface configuration module, the automatic configuration module of IED model, version Auto-matching module are connected with background monitoring center respectively with adaptive communications module.
Smart machine information acquisition terminal: gather and upload the trip information of transforming plant DC power environment and the work state information of DC power supply device and circuit; Smart machine information acquisition terminal respectively with gather DC power supply information sampling module, insulation detection device, open into module, output module and communicate with charging module with battery inspection module.
Man-machine interface configuration module: for configuring transforming plant DC power-supply system parameter information according to the actual requirements, and carry out the showing interface of transforming plant DC power-supply system; Man-machine interface configuration module comprises: host computer, slave computer and cloud computing server; Host computer is Direct Current Power Supervise Control System man-machine interface, and slave computer is communication management module, and Direct Current Power Supervise Control System man-machine interface is communicated by network interface or serial ports with communication management module; Communication management module gathers the alarm logging of DC power supply and sends Direct Current Power Supervise Control System man-machine interface and cloud computing center respectively to, cloud computing server is used to carry out data analysis, formed one include fault point feedback, fault level, accident cause, user area, time trend, triggering factors information statistical chart show in integrated power supply man-machine interface, described integrated power supply man-machine interface can also show Realtime Alerts record and history alarm logging.
Adaptive communications module: for realizing the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit; Basic function from the angle cognition of communication system comprises: observation, study, memory, decision-making, namely makes response to the information obtained and current observed result.The object of the invention is: the flexibility and reliability communication of meeting consumers' demand.
Cognitive system is made up of two large critical pieces: environment and the intelligent submodule be in environment.Intelligence submodule learns the effect of environment to himself by observing, and intelligent submodule reacts on environment by its behavior simultaneously.
As shown in Figure 5, in the cognitive ring model that the present invention proposes, intelligent submodule is defined as: for realizing certain communication target and complementary network node, concrete as power equipment, single assembly; Environment is external environment condition and internal environment, and external environment condition comprises external equipment, network, and the event that internal environment triggers for intelligent submodule is inner and internal state.Intelligence submodule is by perception to obtain the information of external interface, and the event and state of intelligent submodule inside can directly be known.The behavior of intelligence submodule by the strategy that learns determined, and the information that learning process is obtained from environment by the determined effectiveness of optimization aim and the intelligent submodule of layering or cross-layer determines jointly.Behavior acts on external environment condition on the one hand, also acts on internal environment on the other hand.Cognitive adaptive communications mechanism is mainly reflected in system starting process, configures and no longer change after normal program operation.
The automatic configuration module of IED model: according to different configuration Auto-generation Model files, realize the rapid modeling to transforming plant DC power-supply device;
Version Auto-matching module: for the software version whether Auto-matching of Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit;
Background monitoring center: control the configuration of Direct Current Power Supervise Control System man-machine interface, IED model automatic configuration, the Auto-matching of version and the adaptive communications of equipment room and judge that the operational factor of transforming plant DC power environment is abnormal and also send warning message accordingly.
Transforming plant DC power supply monitoring system also comprises: transforming plant DC power backup battery pack Monitor And Control Subsystem, as shown in Figure 1, transforming plant DC power backup battery pack Monitor And Control Subsystem comprises: some Battery pack interfaces, every Battery pack interface is all connected with cell, described battery interface battery interface adjacent thereto is connected by switch, battery interface sorts from left to right, sequence is that the battery interface odd number battery interface adjacent thereto of odd number is connected by by-pass switch, the battery interface even number battery interface adjacent thereto that sequence is even number connects, all switch controlled units control, described control unit, the closure state of each switch of real-time detection, and according to the conducting of battery information control switch and closedown, described transforming plant DC power backup battery pack Monitor And Control Subsystem is connected with background monitoring center.
Every Battery pack interface is divided into anode interface and negative pole interface, and every Battery pack interface is all connected with the positive and negative polarities of cell,
I-th Battery pack interface B
ipositive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface passes through switch S
iconnect,
I-th Battery pack interface B
inegative/anode interface all with the i-th-1 Battery pack interface B
i-1positive/negative interface pass through switch S
i-1connect,
I-th-1 Battery pack interface B
i-1positive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface is by the by-pass switch C of series connection
i-1be connected with protective circuit;
Wherein, 1 < i < n, n is the group number of battery interface, and i is positive integer;
Described switch is connected with drive circuit, and described by-pass switch is connected with drive circuit, and described drive circuit is connected with control unit; Described control unit, detects in real time the closure state of each switch, and according to the conducting of battery information control switch and closedown.
The method of work of transforming plant DC power supply monitoring system comprises: gather the work state information of each bus of transforming plant DC power-supply system and the on off operating mode of feeder switch, the operational factor of transforming plant DC power environment and transforming plant DC power-supply system equipment and be uploaded to background monitoring center; Background monitoring center is according to the data received, be configured in conjunction with the man-machine interface of parameter configuration to Direct Current Power Supervise Control System of client upload, rapid modeling is carried out to transforming plant DC power-supply device, realize the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit, and the software version of Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit whether Auto-matching; Background monitoring center judges whether the operational factor of transforming plant DC power environment and above-mentioned operating procedure exist abnormal and send warning message accordingly.
To the method that the man-machine interface of Direct Current Power Supervise Control System is configured, as shown in Figure 2, concrete steps are as follows:
1. first perform step S10, equipment self-inspection, system initialization, then perform step S20, read original configuration file information.Then step S30 is performed.
2. in S30 step, judge whether file reads successfully, if so, enter upper computer end display according to original configuration information, perform step S40.
3. in step s 40, whether main inspection host computer communicates normal with slave computer, host computer, i.e. man-machine administration module, slave computer and communication management module.Communication is normal, performs step S50.Communicate abnormal, check whether good host computer is connected with slave computer.
4. in step s 50, in this upper computer end, communicate with slave computer according to host computer ModBus, the data that the data that slave computer (for communication processor) forwards main website transmission issue with reception host computer, these data are used to the information of displaying external equipment (such as: remote measurement is numerical value (magnitude of voltage: 110KV, electricity value: 50A etc.), remote signalling be switching value (0, separately; 1, closed).Whether the object sending data is in order to presentation device information is to man-machine interface, can show this equipment normally run according to data; Receive data in host computer (for man-machine interface) termination to show.The data message shown in inspection man-machine interface, enters step S60.
5. in step S60, according to the requirement of transformer station, check current configuration information, check Substation Design requirement, if undesirable, then need to reconfigure system information, perform step S70; If met the requirements, terminate layoutprocedure.
6., in step S70, in upper computer end configuration-system information, enter step S80.
7. in step S80, tissue arranges the data such as serial ports, network interface, performs step S90.
8. in step S90, according to the data message put in order, be transmitted to slave computer, perform step SA0.
9., in step SA0, preserve configuration information in file, then restart slave computer, whole layoutprocedure is complete.
The configurable N1 of Direct Current Power Supervise Control System (N1 >=1) individual Monitor And Control Subsystem and the secondary monitoring of M1 (M1 >=1) cover, Monitor And Control Subsystem contains the information such as battery inspection, charging module, insulation monitoring module, bus, inlet wire, feeder line number, regulator, fuse, lightning arrester, bus connection switch, charge switch and annexation.Secondary monitoring can only configure charging module and charge switch number.Automatically can generate K1 (K1 >=1) according to above-mentioned configuration and overlap AC system scheme, every sets of plan is to enrich the annexation between primitive information and pel of showing DC power system at power transformation station owner interface.
In system configuration, also need to be configured serial ports and network interface, serial ports configuration is configured the serial ports number of actual for supply unit use, to connect corresponding sub-supervisory control system.By the Serial Port Information of configuration by preserving and being handed down to communication management module.Network interface is configured for IP address, the Mac address of configuration machine network interface, and the information whether this IP address is enabled, and whether network interface is used to debug this equipment transceiving data on the one hand normal, is used to communicate with main website or backstage on the other hand.Network interface only need carry out relative set by when the IP address of network interface and Mac address and SNTP (or B code) pair, then preserves and issues.
After having configured, the main running status of DC power supply Monitor And Control Subsystem main display power supply module, power module information, state of insulation, cell voltage and feeder line dropout information.
The main running state information of DC power supply Monitor And Control Subsystem mainly contains the state exchanging primary voltage, module voltage, electric current, busbar voltage, discharge capacity, charged state and interconnection switch and charge switch; Power module comprises all power module output voltage, current information; State of insulation comprises the positive resistance to earth information of I, II mother; The information of voltage that direct-current supervision single battery is all; All feeder line trip status information.
The man-machine interface of Direct Current Power Supervise Control System needs display All Alerts information in real time.All remote signalling amount warning messages utilize revolving horse lantern and the mode browsing component of reporting to the police shows.The generation of every bar alarm logging is all carried out automatically preserving generating history warning message, is shown by the alarm logging of generation in history alert data form.
As shown in Figure 3, communication management module gathers on alarm logging and gives man-machine interface, Realtime Alerts record and history alarm logging is shown in man-machine interface, cloud computing center is delivered to by gained warning message, cloud computing server is used to carry out data analysis, form one to include the information such as fault point feedback, fault level, accident cause, user area, time trend, triggering factors and form a pie chart and show in man-machine interface, allow engineers and technicians have an accident analysis clearly and location.
DL/T 860 standard is for transformer station's low-tension supply equipment regulation: to needing each minimum function Modelon Modeling communicated to be a LN object, be placed in same LN object to the data and data attribute that belong to same functional object, for ensureing interoperability, do not advise newly-built LN.DL/T 860 newly defines logical node class, as shown in table 1:
The list of table 1 logical node
The model file modeling principle of DC power system:
1., by DC power supply called after DCPS, if the LD of same type is more than one in device, add two digits suffix, as DCPS01, DCPS02.
2. the data of pair same functional object and data attribute use same LN object, because the LN of same type is more than one, distinguish, nomenclature principle: function abbreviation+logical node class name by adding prefix class.Measuring point uses the modeling of the logical node class implementation model file of table 1, if cannot find corresponding logical node class to expand voluntarily in Table 1.
The DC power supply connect due to DC power system can be many covers, and the IEC61850 model file of different configuration correspondences is different, if the technical requirement of manual editing 61850 model file to engineering staff is high, workload is large, easily makes mistakes.For this situation, we consider automatically to generate 61850 model files according to different configuration-system software, and particular flow sheet as shown in Figure 4.Comprise the following steps:
Step 1): start, import the ICD file that acquiescence is provided, judge whether the port arrangement of transforming plant source device changes; If just enter step 2); If not, transformer station's power-supply device normally starts; Port arrangement comprises device type and number of devices;
Step 2): backup IED performance profile and mapped file;
Step 3): start to generate IED performance profile according to DL/T860 standard; Enter step 4 respectively) and step 5);
IED performance uses following naming rule when retouching art file generated:
(3-1): if the logical device LD quantity of same type is more than one, distinguish by adding two digits suffix;
(3-2): the data and the data attribute that belong to same functional object should be placed in same logical node LN object:
(3-2-1): if the logical device LD of same type is more than one, distinguish by adding prefix; Nomenclature principle: function abbreviation+logical node class name.
Step 4): determine logical device LD; Enter step 6);
Step 5): determine logical device LD with logical node LN; Enter step 6);
Step 6): whether unsuccessfully judge to generate IED performance profile according to DL/T860 standard, if generating IED performance profile is that first time failure just returns step 3); If generating IED performance profile is that second time failure just enters step 7); If generate the success of IED performance profile just enter step 8);
Step 7): the IED performance profile using acquiescence; And enter step 8);
Step 8): generate corresponding mapped file according to IED performance profile; Enter step 9);
Step 9): whether correctly verification IED performance profile and mapped file, just enter step 11 if successful); If first time verifies unsuccessfully just return step 3); If second time verifies unsuccessfully just enter step 10); Whether verification IED performance profile and mapped file are correctly realized by mmslite.
Step 10): the IED performance profile and the mapped file that use acquiescence; Enter step 11);
Step 11): transforming plant source device normally starts.
The method of the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit as shown in Figure 6, comprise the steps:
Step (a): start, judges that whether System self-test is successful, if with regard to system initialization, enters step (b); Just there is the malfunction of hardware anomalies in prompting if not, terminates;
Step (b): file reading obtaining information storehouse and policy library; Judge that whether reading is successful, pick data if just send, enter step (c), just point out the malfunction of file exception if not, end;
Information bank refers to the massage set of the slave computer that all systems are supported; Policy library comprises the sending strategy, sending strategy, collocation strategy, forwarding strategy, the grouping strategy after configuration successful that do not configure.
Step (c): judge whether port arrangement completes, if with regard to data retransmission packet scheduling: the difference according to data type forwards backstage measuring point data grouping, and system normally starts; Just enter step (d) if not;
Step (d): formulate collocation strategy, judge whether to there is collocation strategy, if just preserve file after configured port, put configuration and be masked as successfully, system normally starts; Just terminate if not.
Collocation strategy comprises whether configured port starts, number of devices and device type.The step formulating collocation strategy as shown in Figure 7, comprising:
Step (d-1): need configuration, amendment configuration is masked as " configuration ";
Step (d-2): the validity judging the data communicated with slave computer according to School Affairs, effective length and type, if effectively just enter step (d-3); Step (d-4) is just entered if invalid;
Step (d-3): search information bank, obtains the response message communicated with slave computer; Enter step (d-5);
Step (d-4): put and do not configure flag data extremely, cannot correctly configure, terminate;
Step (d-5): reasoning: process the known message received, infers the type of slave computer; Enter step (d-6);
Step (d-6): self study: to observation, the reasoning of message; Enter step (d-7);
Step (d-7): whether there is reasoning in determination strategy storehouse, learn the port arrangement strategy that arrives; If just enter step (d-8); Just enter step (d-9) if not;
Step (d-8): formulate port arrangement strategy; Enter step (d-10);
Step (d-9): put " not configuring mark ", prompting connects abnormal; Correctly cannot configure, terminate;
Step (d-10): judge that whether configuration is successful, if just put configuration complement mark, complete correct configuration; Just put if not and do not configure sign prompting connection extremely; Cannot configure, terminate.
The software version of Direct Current Power Supervise Control System Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit whether Auto-matching method as shown in Figure 8, comprising:
If the software version of slave computer does not mate with the software version of this system, can ensure that basic function normally uses, make the software version of the software version of native system and slave computer automatically compatible.
1. adaptive communications administration module reads configuration file, obtains version matching table;
2. the information obtained is added up, the software version of register system, the software version of slave computer and slave computer type;
3. according to software version and the slave computer type of system, from version matching table, the supporting version scope of slave computer is inquired about;
If the software version of the slave computer of 4. docking is higher than the supporting version range limit of host computer, then slave computer reports measuring point number to be greater than the measuring point of system log (SYSLOG) value, host computer still processes measuring point that slave computer reports but abandons the measuring point of the many reports of slave computer, can normally work with guarantee system, and point out related personnel's upper computer software version low, host computer of upgrading as early as possible;
If the software version of the slave computer of 5. docking is lower than the supporting version range lower limit of host computer, then slave computer reports measuring point number to be less than the measuring point of system log (SYSLOG) value, host computer still processes the measuring point that slave computer reports, can normally work with guarantee system, and point out related personnel's slave computer software version low, slave computer of upgrading as early as possible;
6. system works on.
As shown in Figure 9, the method that background monitoring center controls the charging utilance of battery backup in real time according to the transforming plant DC power backup batteries charging information received comprises the steps:
Step 1): battery discharge, detects monomer battery voltage;
Step 2): judge minimum monomer battery voltage V
minwhether be less than discharge regime battery and switch threshold value V
low, if represent that this batteries has entered latter stage of discharging, capacity is about to give out light, and just enters step 3; Just return step 1 if not);
Step 3): judge whether the condition meeting electric discharge excision, namely judge present battery group total voltage V
totalwhether be greater than the minimum supply power voltage V that vehicle power module requires
in, if just enter step 4); Just enter step 5 if not);
Step 4): the battery cutting away brownout, upgrades minimum monomer battery voltage V
min, preserve excision state information; Enter step 5);
Step 5): judge battery electric quantity whether lower than the minimum operating voltage of load, if just enter step 6); Just return step 1 if not);
Step 6): battery charges, and detects monomer battery voltage, enters step 7);
Step 7): judge most high monomer cell voltage V
maxwhether be greater than charging stage battery and switch threshold value V
high, if represent that this batteries has entered latter stage of charging, capacity is about to be full of, and just enters step 8); Just return step 6 if not);
Step 8): judge whether to meet charging excision condition, namely judge present battery group total voltage V
totalwhether be greater than charger minimum output voltage V
charge, if just enter step 9); Just enter step 10 if not);
Step 9): cut away this batteries, upgrade most high monomer cell voltage V
max, preserve excision state information; Enter step 10);
Step 10): judge whether battery is full of, if just return step 1); Just enter step 7 if not).
Step 4) in cut away the battery of brownout detailed process be: brownout battery is cut away from battery pack, the by-pass switch C of this batteries first closed
i-1, impact circulation when protective circuit absorbs closed, avoids battery short circuit; Then by the switching circuit S at these batteries two ends
i-1and S
idisconnect, battery is excised in battery pack.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (20)
1. a transforming plant DC power supply monitoring system, is characterized in that, comprising: smart machine information acquisition terminal, man-machine interface configuration module, the automatic configuration module of IED model, version Auto-matching module, adaptive communications module and background monitoring center;
Smart machine information acquisition terminal: gather and upload the trip information of transforming plant DC power environment and the work state information of DC power supply device and circuit;
Man-machine interface configuration module: for configuring transforming plant DC power-supply system parameter information according to the actual requirements, and carry out the showing interface of transforming plant DC power-supply system;
The automatic configuration module of IED model: according to different configuration Auto-generation Model files, realize the rapid modeling to transforming plant DC power-supply device;
Version Auto-matching module: for the software version whether Auto-matching of Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit;
Adaptive communications module: for realizing the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit;
Background monitoring center: control the configuration of Direct Current Power Supervise Control System man-machine interface, IED model automatic configuration, the Auto-matching of version and the adaptive communications of equipment room and judge that the operational factor of transforming plant DC power environment is abnormal and also send warning message accordingly;
Described smart machine information acquisition terminal, man-machine interface configuration module, the automatic configuration module of IED model, version Auto-matching module are connected with background monitoring center respectively with adaptive communications module.
2. a kind of transforming plant DC power supply monitoring system as claimed in claim 1, it is characterized in that, described smart machine information acquisition terminal respectively with gather DC power supply information sampling module, insulation detection device, open into module, output module and communicate with charging module with battery inspection module.
3. a kind of transforming plant DC power supply monitoring system as claimed in claim 1, is characterized in that, described man-machine interface configuration module comprises: host computer, slave computer and cloud computing server;
Described host computer is Direct Current Power Supervise Control System man-machine interface, and described slave computer is communication management module, and described Direct Current Power Supervise Control System man-machine interface is communicated by network interface or serial ports with communication management module;
Described communication management module gathers the alarm logging of DC power supply and sends Direct Current Power Supervise Control System man-machine interface and cloud computing center respectively to, cloud computing server is used to carry out data analysis, formed one include fault point feedback, fault level, accident cause, user area, time trend, triggering factors information statistical chart show in integrated power supply man-machine interface, described integrated power supply man-machine interface can also show Realtime Alerts record and history alarm logging.
4. a kind of transforming plant DC power supply monitoring system as claimed in claim 1, is characterized in that, described adaptive communications module comprises: intelligent submodule, and described intelligent submodule is communicated with external environment condition by interface;
Described intelligent submodule comprises observation unit, self study unit and behavior unit; Described observation unit and self study unit communication, described self study unit communicates with behavior unit;
Described observation unit sends message from self study unit obtaining information to slave computer according to the internal state of system, and by the message that receives to self study unit;
Described self study unit receives the message of observation unit, formulates sending strategy, search corresponding transmission information in information bank by study and reasoning; The information of transmitting-receiving is learnt and reasoning, formulates corresponding collocation strategy;
Described behavior unit is configured equipment according to the collocation strategy of unit, and the measuring point data received forwards to backstage according to dissimilar grouping by system.
5. a kind of transforming plant DC power supply monitoring system as claimed in claim 4, is characterized in that,
Described observation unit comprises message subelement and internal system state subgroup unit;
Described message subelement refers to the data that system communicates with slave computer, data mutual between module;
Described internal system state subgroup unit comprise port do not configure, configure in, configured and started exception.
6. a kind of transforming plant DC power supply monitoring system as claimed in claim 4, is characterized in that,
Described self study unit comprises the reasoning subelement, information bank, study subelement and the policy library that connect successively;
Described reasoning subelement refers to that the known message to receiving processes, and infers the type of slave computer;
Described information bank refers to the massage set of the slave computer that all systems are supported;
Described study subelement refers to observation to message, reasoning;
Described policy library comprises the sending strategy, sending strategy, collocation strategy, forwarding strategy, the grouping strategy after configuration successful that do not configure.
7. a kind of transforming plant DC power supply monitoring system as claimed in claim 4, is characterized in that,
Described behavior unit comprises adaptive configuration subelement, data retransmission subelement and packet scheduling subelement;
Described adaptive configuration subelement according to the different Auto-matchings connecing equipment under system port, without the need to user's manual modification configuration file;
Described data retransmission subelement is used for measuring point data to forward backstage;
Described packet scheduling subelement is according to the transmission of the difference of data type, the number classifying type grouping of measuring point data.
8. a kind of transforming plant DC power supply monitoring system as claimed in claim 1, it is characterized in that, also comprise: transforming plant DC power backup battery pack Monitor And Control Subsystem, described transforming plant DC power backup battery pack Monitor And Control Subsystem comprises: some Battery pack interfaces, every Battery pack interface is all connected with cell, described battery interface battery interface adjacent thereto is connected by switch, battery interface sorts from left to right, sequence is that the battery interface odd number battery interface adjacent thereto of odd number is connected by by-pass switch, the battery interface even number battery interface adjacent thereto that sequence is even number connects, all switch controlled units control, described control unit, the closure state of each switch of real-time detection, and according to the conducting of battery information control switch and closedown, described transforming plant DC power backup battery pack Monitor And Control Subsystem is connected with background monitoring center.
9. a kind of transforming plant DC power supply monitoring system as claimed in claim 8, is characterized in that, described every Battery pack interface is divided into anode interface and negative pole interface, and every Battery pack interface is all connected with the positive and negative polarities of cell,
I-th Battery pack interface B
ipositive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface passes through switch S
iconnect,
I-th Battery pack interface B
inegative/anode interface all with the i-th-1 Battery pack interface B
i-1positive/negative interface pass through switch S
i-1connect,
I-th-1 Battery pack interface B
i-1positive/negative interface all with the i-th+1 Battery pack interface B
i+1negative/anode interface is by the by-pass switch C of series connection
i-1be connected with protective circuit;
Wherein, 1 < i < n, n is the group number of battery interface, and i is positive integer;
Described switch is connected with drive circuit, and described by-pass switch is connected with drive circuit, and described drive circuit is connected with control unit; Described control unit, detects in real time the closure state of each switch, and according to the conducting of battery information control switch and closedown.
10. a method of work for transforming plant DC power supply monitoring system as claimed in claim 1, is characterized in that, comprising:
Gather the work state information of the on off operating mode of each bus of transforming plant DC power-supply system and feeder switch, the operational factor of transforming plant DC power environment, transforming plant DC power backup batteries charging efficiency and transforming plant DC power-supply system equipment and be uploaded to background monitoring center;
Background monitoring center is according to the data received, be configured in conjunction with the man-machine interface of parameter configuration to Direct Current Power Supervise Control System of client upload, rapid modeling is carried out to transforming plant DC power-supply device, realize the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit, and the software version of Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit whether Auto-matching;
Meanwhile, background monitoring center controls the charging utilance of battery backup in real time according to the transforming plant DC power backup batteries charging information received;
Background monitoring center judges whether the operational factor of transforming plant DC power environment and above-mentioned operating procedure exist abnormal and send warning message accordingly.
The method of work of 11. a kind of transforming plant DC power supply monitoring systems as claimed in claim 10, is characterized in that, describedly comprises the following steps the method that the man-machine interface of Direct Current Power Supervise Control System is configured:
(1) equipment self-inspection, system initialization;
(2) reading system original configuration file information, judges whether described profile information reads successfully; If so, described original configuration file information shows in Direct Current Power Supervise Control System man-machine interface, otherwise, check or amendment configuration file errorless after again read;
(3) set up the communication between Direct Current Power Supervise Control System man-machine interface and communication management module, check whether communication is normal; If normal, the data that Direct Current Power Supervise Control System man-machine interface received communication administration module sends, by external equipment information display to man-machine interface;
(4) check whether current configuration information meets the specific requirement of transformer station, if met, layoutprocedure terminates, if undesirable, then enter step (5) and reconfigures system information,
(5) reconfigure system information at Direct Current Power Supervise Control System man-machine interface end, and described configuration information is saved in configuration file;
(6) data message configured is sent to communication management module, restarts communication management module, layoutprocedure terminates.
The method of work of 12. a kind of transforming plant DC power supply monitoring systems as claimed in claim 11, it is characterized in that, described DC power system can configure N1 and state DC power supply Monitor And Control Subsystem and the secondary supervisory control system of DC power supply stated by M1 cover, and described DC power supply Monitor And Control Subsystem comprises battery inspection, charging module, insulation monitoring module, bus, inlet wire, feeder line number, regulator, fuse, lightning arrester, bus connection switch, charge switch and connection relation information; Described DC power supply is supervised secondary supervisory control system and is comprised charging module and charge switch quantity;
Automatically can generate K1 according to above-mentioned configuration information and overlap AC power supply system scheme, every sets of plan can both annexation between the primitive information of power transformation station owner showing interface DC power system and pel;
After having configured, described DC power supply Monitor And Control Subsystem can the main running status of display power supply module, power module information, state of insulation, cell voltage and feeder line dropout information.
The method of work of 13. a kind of transforming plant DC power supply monitoring systems as claimed in claim 10, is characterized in that, describedly comprises the steps: the method that transforming plant DC power-supply device carries out rapid modeling
1): start, import the ICD file that acquiescence is provided, judge whether the port arrangement of transformer station's DC power supply device changes; If just enter step 2); If not, transforming plant DC power-supply device normally starts;
2): backup IED performance profile and mapped file;
3): start to generate IED performance profile according to DL/T860 standard; Enter step 4 respectively) and step 5);
4): determine logical device LD; Enter step 6);
5): determine logical device LD with logical node LN; Enter step 6);
6): whether unsuccessfully judge to generate IED performance profile according to DL/T860 standard, if generating IED performance profile is that first time failure just returns step 3); If generating IED performance profile is that second time failure just enters step 7); If generate the success of IED performance profile just enter step 8);
7): the IED performance profile using acquiescence; And enter step 8);
8): generate corresponding mapped file according to IED performance profile; Enter step 9);
9): whether correctly verification IED performance profile and mapped file, just enter step 11 if successful); If first time verifies unsuccessfully just return step 3); If second time verifies unsuccessfully just enter step 10);
Step 10): the IED performance profile and the mapped file that use acquiescence; Enter step 11);
Step 11): transformer station's DC power supply device normally starts.
The method of work of 14. a kind of transforming plant DC power supply monitoring systems as claimed in claim 13, is characterized in that, described step 3) IED performance profile generate time use following naming rule:
(3-1): if the logical device LD quantity of same type is more than one, distinguish by adding two digits suffix;
(3-2): the data and the data attribute that belong to same functional object should be placed in same logical node LN object:
(3-2-1): if the logical device LD of same type is more than one, distinguish by adding prefix;
Nomenclature principle: function abbreviation+logical node class name.
The method of work of 15. a kind of transforming plant DC power supply monitoring systems as claimed in claim 10, it is characterized in that, the described method realizing the adaptive communications of Direct Current Power Supervise Control System and each monitoring unit comprises the steps:
Step a: start, judges that whether System self-test is successful, if with regard to system initialization, enters step b; Just there is the malfunction of hardware anomalies in prompting if not, terminates;
Step b: file reading obtaining information storehouse and policy library; Judge that whether reading is successful, pick data if just send, enter step c, just point out the malfunction of file exception if not, end;
Step c: judge whether port arrangement completes, if with regard to data retransmission packet scheduling: the difference according to data type forwards backstage measuring point data grouping, and system normally starts; Just enter steps d if not;
Steps d: formulate collocation strategy, judge whether to there is collocation strategy, if just preserve file after configured port, put configuration and be masked as successfully, system normally starts; Just terminate if not.
The method of work of 16. a kind of transforming plant DC power supply monitoring systems as claimed in claim 15, it is characterized in that, the information bank in described step b refers to the massage set of the slave computer that all systems are supported; Policy library comprises the sending strategy, sending strategy, collocation strategy, forwarding strategy, the grouping strategy after configuration successful that do not configure; Described collocation strategy comprises whether configured port starts, number of devices and device type.
The method of work of 17. a kind of transforming plant DC power supply monitoring systems as claimed in claim 15, it is characterized in that, the step of the formulation collocation strategy of described steps d is:
Step (d-1): need configuration, amendment configuration is masked as " configuration ";
Step (d-2): the validity judging the data communicated with slave computer according to School Affairs, effective length and type, if effectively just enter step (d-3); Step (d-4) is just entered if invalid;
Step (d-3): search information bank, obtains the response message communicated with slave computer; Enter step (d-5);
Step (d-4): put and do not configure flag data extremely, cannot correctly configure, terminate;
Step (d-5): reasoning: process the known message received, infers the type of slave computer; Enter step (d-6);
Step (d-6): self study: to observation, the reasoning of message; Enter step (d-7);
Step (d-7): whether there is reasoning in determination strategy storehouse, learn the port arrangement strategy that arrives; If just enter step (d-8); Just enter step (d-9) if not;
Step (d-8): formulate port arrangement strategy; Enter step (d-10);
Step (d-9): put " not configuring mark ", prompting connects abnormal; Correctly cannot configure, terminate;
Step (d-10): judge that whether configuration is successful, if just put configuration complement mark, complete correct configuration; Just put if not and do not configure sign prompting connection extremely; Cannot configure, terminate.
The method of work of 18. a kind of transforming plant DC power supply monitoring systems as claimed in claim 10, is characterized in that, the method for the software version of described Real-Time Monitoring Direct Current Power Supervise Control System and each monitoring unit whether Auto-matching comprises the steps:
1. adaptive communications administration module reads configuration file, obtains version matching table;
2. the information obtained is added up, the software version of register system, the software version of slave computer and slave computer type;
3. according to software version and the slave computer type of system, from version matching table, the supporting version scope of slave computer is inquired about;
If the software version of the slave computer of 4. docking is higher than the supporting version range limit of host computer, then slave computer reports measuring point number to be greater than the measuring point of system log (SYSLOG) value, host computer still processes measuring point that slave computer reports but abandons the measuring point of the many reports of slave computer, can normally work with guarantee system, and point out related personnel's upper computer software version low, host computer of upgrading as early as possible;
If the software version of the slave computer of 5. docking is lower than the supporting version range lower limit of host computer, then slave computer reports measuring point number to be less than the measuring point of system log (SYSLOG) value, host computer still processes the measuring point that slave computer reports, can normally work with guarantee system, and point out related personnel's slave computer software version low, slave computer of upgrading as early as possible;
6. system works on.
The method of work of 19. a kind of transforming plant DC power supply monitoring systems as claimed in claim 10, it is characterized in that, the method that described background monitoring center controls the charging utilance of battery backup in real time according to the transforming plant DC power backup batteries charging information received comprises the steps:
Step 1): battery discharge, detects monomer battery voltage;
Step 2): judge minimum monomer battery voltage V
minwhether be less than discharge regime battery and switch threshold value V
low, if represent that this batteries has entered latter stage of discharging, capacity is about to give out light, and just enters step 3; Just return step 1 if not);
Step 3): judge whether the condition meeting electric discharge excision, namely judge present battery group total voltage V
totalwhether be greater than the minimum supply power voltage V that vehicle power module requires
in, if just enter step 4); Just enter step 5 if not);
Step 4): the battery cutting away brownout, upgrades minimum monomer battery voltage V
min, preserve excision state information; Enter step 5);
Step 5): judge battery electric quantity whether lower than the minimum operating voltage of load, if just enter step 6); Just return step 1 if not);
Step 6): battery charges, and detects monomer battery voltage, enters step 7);
Step 7): judge most high monomer cell voltage V
maxwhether be greater than charging stage battery and switch threshold value V
high, if represent that this batteries has entered latter stage of charging, capacity is about to be full of, and just enters step 8); Just return step 6 if not);
Step 8): judge whether to meet charging excision condition, namely judge present battery group total voltage V
totalwhether be greater than charger minimum output voltage V
charge, if just enter step 9); Just enter step 10 if not);
Step 9): cut away this batteries, upgrade most high monomer cell voltage V
max, preserve excision state information; Enter step 10);
Step 10): judge whether battery is full of, if just return step 1); Just enter step 7 if not).
The method of work of 20. a kind of transforming plant DC power supply monitoring systems as claimed in claim 19, it is characterized in that, described step 4) in cut away the battery of brownout detailed process be: brownout battery is cut away from battery pack, the by-pass switch C of this batteries first closed
i-1, impact circulation when protective circuit absorbs closed, avoids battery short circuit; Then by the switching circuit S at these batteries two ends
i-1and S
idisconnect, battery is excised in battery pack.
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| CN201510007699.9A CN104505947B (en) | 2015-01-07 | 2015-01-07 | Transformer substation direct current power supply monitoring system and transformer substation direct current power supply monitoring method |
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Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Patentee after: National Network Intelligent Technology Co., Ltd. Address before: 250101 Shandong city of Ji'nan province high tech Zone (Lixia District) Xinluo Avenue No. 2008 silver bearing building B block 626 Patentee before: Shandong Luneng Intelligent Technology Co., Ltd. |
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Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch |