CN105633960A - Multi-adaptive black-start apparatus - Google Patents
Multi-adaptive black-start apparatus Download PDFInfo
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- CN105633960A CN105633960A CN201610133217.9A CN201610133217A CN105633960A CN 105633960 A CN105633960 A CN 105633960A CN 201610133217 A CN201610133217 A CN 201610133217A CN 105633960 A CN105633960 A CN 105633960A
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- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 4
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H02J13/0006—
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/16—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
- Y04S10/40—Display of information, e.g. of data or controls
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a multi-adaptive black-start apparatus. The apparatus supports IEC61850, MODBUS, 104, and IEC61970 communication protocols, and solves the problem that systems under different protocols among different power plants in black start cannot be interconnected. The apparatus comprises a main control board, a communication board, an AD board, an input board, an output board and a man-machine interface. Under a normal condition, power grid data is read from an SCADA system; when a power plant system is in failure, the apparatus obtains the power grid data from the AD board; the output board controls the relay, so that the problem of black-start failure caused by other system faults is solved; the main control board is the logic processing center; the communication board is the core of the apparatus and external communication; the AD board is the hardware core for obtaining the power grid data of the system; the input board monitors the opening/closing states of the relay; the output board controls the opening/closing states of the relay; by adoption of the apparatus, the self-starting of the power plant under a condition of being disconnected from the power grid can be realized; and in addition, the apparatus can adapt multiple communication protocols and multiple onsite conditions, so that the economical efficiency, rapidness and stability of the power plant black start are improved.
Description
Technical field
The present invention relates to communication and power field, specifically, it relates to the black starting-up device in power station.
Background technology
Along with electrical network is interconnected and the development of remote conveying power technology, large sized unit, ultra-high voltage equipment, power electronics device and distributed power generation technology etc. are introduced in a large number in power system, add the expansion day by day of power system scale, system dynamics behavior becomes more and more complicated, operational conditions requires prediction harsher, more difficult, considerably increases the risk being caused electric power disaster by local fault. Under electrical network occurrence of large-area power-off condition, it is desired to can quick-recovery power supply soon, if can not restore electricity within the short period of time, national economy will be made to suffer massive losses.
Black starting-up (BlackStart) refers to that whole system is because of after fault outage, do not rely on other system help, drive the unit of non self starting by system has the startup of self-startup ability unit, expand system power supply scope gradually, finally realize the process of whole system recovery.
The background of black starting-up is that system all has a power failure or large-area power-cuts, and namely system is in serious accidental state, and black starting-up process is a kind of extreme situation of recovery process, and it generates electricity relating in system operation, each link of transmission and disttrbution. How after system large-area power-cuts safety and complete system reconstructing fast, be all power industry key issue urgently to be resolved hurrily all the time, therefore, the research of black starting-up technology has important meaning for the system recovery in extreme situation.
Current domestic each power station topological framework is different, substation's digital intelligent degree is different, the communication protocol that the equipment of each manufacturer production uses is different, as EMS system uses IEC60870-5-104 agreement, SCADA system uses MODBUS agreement, intelligent substation uses IEC61850 agreement, and this makes each system and the interconnected of equipment encounter difficulties. Therefore, the research of flexible black starting-up device recovers to have important meaning for the power plant in various situation.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of flexible black starting-up device, this device supports intelligent substation, digital transformer substation and tradition substation, support IEC61850, MODBUS, IEC60870-5-104, IEC61970 communications protocol, and still can use when original system breaks down. This device can when the whole power-off in power station rely on external electrical network, it is achieved the self-starting in power station, i.e. so-called power station black starting-up. And according to the topological framework in power station, the startup order of motor can be optimized, thus reach black starting-up process economy, quick, stable effect.
For achieving the above object, the technical solution used in the present invention is:
Flexible black starting-up application of installation figure as shown in Figure 1, this device is connected with EMS system, SCADA system, GOOSE net, SV net, other systems by communication board, is connected with isolating switch by outputing plate, is connected with mutual inductor by AD sampling plate. This device can pass through EMS system or GOOSE network control isolating switch, under special circumstances can directly by outputing plate control isolating switch. This device can connect SCADA system or the energy data of SV net acquisition ac bus, directly can obtain energy data with AD sampling plate under special circumstances. This device can connect other systems and device, it is only necessary to amendment configuration file, can adapt to different practical situation.
Flexible black starting-up apparatus structure as shown in Figure 2, its by master control board, communication board, AD sampling plate, open into plate, output plate and operator-machine-interface is formed. Wherein:
Master control board, adopt STM32 micro-chip and Cyclone II Series FPGA, it is logical process center, perform black starting-up program and optimize algorithm, to master control board, communication board, AD sampling plate, open into plate, output plate, operator-machine-interface sends and orders and receive data, is the core of whole system.
AD sampling plate is the hardware core that native system obtains track data, and it can detection line voltage, electric current, frequency calculating in real time judge whether to occur abnormal, and calculation result is sent to master control board, and receive and execution from the order of master control board.
Communication board is this device and the core of external system communication, and plate has Ethernet, RS485 and RS232, supports IEC61850, MODBUS, IEC60870-5-104, IEC61970 communications protocol. Communication board receives outside data, is sent to master control board, and receives the data that master control board is sent, send after being converted to required protocol format after conversion.
Open into plate, i.e. On-off signal plate, for detecting the folding condition of isolating switch and rly..
Output plate, i.e. digital output module, for controlling the folding of isolating switch and rly..
Operator-machine-interface, namely adopts touch display screen, shows the working order of each device, electric network data, isolating switch folding condition etc., and can carry out artificial optimum configurations and online programming.
Master control board and communication board, AD sampling plate, open into plate, output plate and be connected by two mutually redundant point-to-point RS485 respectively, master control board is connected by a RS485 with operator-machine-interface, master control board, AD sampling plate, open plate, output plate hang be loaded in same bar RS485 bus. This device can be connected by optical fiber, Ethernet, RS485, RS232 with external system.
As shown in Figure 3, it forms flexible black starting-up device program architecture by four layers: physical layer, system cloud gray model storehouse layer, application framework layer, application program layer.
Physical layer packet drives containing signal equipment driving, chip drives and input-output device, is the bridge between upper procedure and physical device.
System cloud gray model storehouse layer comprises database, SOE, event, device control, communication protocol.
Application framework layer comprises power station topology structure management, the management of black starting-up flow process, interface management, communication protocol management, SOE management, event management, routine package management, it is possible to help the exploitation with specification upper level applications.
Application program layer comprises black starting-up program, optimizer etc.
In these four layers of programs, the program between adjacent two layers, only can call lower level processes by upper procedure, and can not call between adjacent layers, can call mutually between the program of same layer.
Except above-mentioned flexible black starting-up device, other equipment are all that tradition power station is existing, and their functions are respectively:
EMS: energy management system (EnergyManagementSystem) is modern power network dispatch automated system (containing hardware and software) general name. Its main function is made up of basic function and application function two portions, basic function comprises: computer, operating system and EMS support system, and application function comprises: data gathering and supervision (SCADA), Automatic Generation Control (AGC) and plan, network application analysis.
SCADA: data acquisition analysis system (SupervisoryControlAndDataAcquisition) is the power automation supervisory system based on computer. In power system, the equipment that scene is run can be carried out monitoring and controlling by SCADA system, to realize every functions such as data gathering, device control, measurement, parameter regulation and various types of signal warning.
GOOSE net: the transformer substation case (GenericObjectOrientedSubstationEvent) towards general object is the mechanism meeting electric substation automation system rapid message demand in IEC61850 standard. It is mainly used in realizing information transmission, comprises transmission breaker tripping and closing order. Traditional hardwire is replaced to realize the reliable transmission of the real-time information such as the switch position, locking signal and trip signal based on GOOSE network transmission.
SV net: sampled value (SampledValue), based on publish/subscribe mechanism, exchanges correlation model object and the service of the sampled value in sampled data set.
Compared with prior art, the technical scheme of the present invention has following useful effect:
1, support intelligent substation, digital transformer substation and tradition substation, support IEC61850, MODBUS, IEC60870-5-104, IEC61970 communications protocol, the problem that when solving black starting-up, under different agreement between different power plant, system can not be interconnected.
When 2, not possessing electrical energy data acquiring system or other system malfunctions when some power plant, black starting-up device can obtain electric network data by AD sampling plate, by outputing plate relay, avoid because other system faults cause the problem of black starting-up failure, the perfect further flexible of this invention.
3, by manually inputting or read power station topological framework from system, the startup order of motor is optimized, it is to increase the economy of power station black starting-up process, rapidity and stability. Wherein economy refers to and makes full use of exerting oneself of starter-generator, and the generator not started with the generator band started, starts successively, thus reduces the consumption of accumulation power supply; Rapidity refers to the accurate calculating by being exerted oneself by starter-generator, it is determined that the generator quantity that next step starts simultaneously, it is achieved 1 band N, N band N2Exponential type start; Stability refers to the startup order obtaining generator and subsidiary engine by power station topological framework, thus avoids the black starting-up failure that power sudden change and unbalanced power cause.
Accompanying drawing explanation
Fig. 1 is the system application block diagram of the present invention.
Fig. 2 is the apparatus structure block diagram of the present invention.
Fig. 3 is the programming system framework figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme of the present invention is specifically described.
As shown in Figure 1, the flexible black starting-up device of the present invention, can with EMS system, SCADA system, GOOSE net, SV net and other system two-way communications, by EMS system or GOOSE network control isolating switch, electric network data is obtained by SCADA system or SV net, directly can also control isolating switch by the plate of outputing of device under special circumstances, obtain electric network data by AD sampling plate.
Before black starting-up device starts black starting-up program, it is necessary to the artificial topological framework inputted or read power station from system, and manually input definite value and parameter. Black starting-up device is by optimizing algorithm, it is determined that the startup order of generator and subsidiary engine. After black starting-up device starts to perform black starting-up program, send order to the startup preceding generator of priority or subsidiary engine, make the breaker closing of this motor. When black starting-up device detects that black starting-up power supply outlet voltage meets the value set in advance, device sends order, makes outlet breaker closing, thus this generator starts successfully, starts to power station bussed supply.
After having generator to start, it is exerted oneself and can power for other generator bypasses not started, and determines by black starting-up device to start quantity and order. Analogize with this, it is possible to start whole power station economical, quickly, stable.
Drive blower fan subsidiary engine for photovoltaic electric factory as black starting-up power supply, flexible black starting-up device AD sampling plate is connected with mutual inductor, gathers ac bus energy data, with outputing plate connecting breaker, control isolating switch folding, connects rly., isolating switch with opening into plate, detection folding condition. Before black starting-up program is run, artificial input definite value and parameter. Black starting-up program starts, and when voltage, frequency stabilization on photovoltaic electric factory ac bus are in allowed band, black starting-up device is by outputing plate closing isolating switch, and photovoltaic electric factory powers to wind energy turbine set. Black starting-up device detects voltage, frequency on black starting-up power supply and wind energy turbine set ac bus, and after being stabilized in allowed band, black starting-up device, by outputing plate closing isolating switch, starts a subsidiary engine of wind energy turbine set.
For wind energy turbine set black starting-up, flexible black starting-up device, by communication board, is connected with EMS system and the SCADA system of wind energy turbine set with Ethernet, controls electric motor starting and reads the energy data of black starting-up power supply and ac bus. Before black starting-up program is run, the topological framework of artificial input wind energy turbine set, artificial input definite value and parameter are such as ac bus voltage allowed band, electric current allowed band, minimum windspeed, blower fan quantity, blower fan priority etc. Black starting-up plant running optimizes algorithm, calculates the startup order of blower fan, subsidiary engine. Black starting-up program starts, and after wind speed meets requirement, starts the blower fan that priority is the highest, black starting-up device obtains the outlet voltage of blower fan in real time from SCADA system, after outlet voltage meets requirement, this device is grid-connected by EMS Systematical control blower fan, and this blower fan starts to power to ac bus. Black starting-up device obtains the energy data on ac bus from SCADA system, by control FACTS device, is stabilized in allowed band by bus voltage. After electric current and voltage on bus is stable, according to priority, progressively starts other subsidiary engines and blower fan, thus start whole wind energy turbine set.
Start to have the power plant black of intelligent substation, flexible black starting-up device is connected with GOOSE net and SV net by communication board, send order control isolating switch folding to GOOSE net, read data from SV net, obtain the energy data of black starting-up power supply and ac bus. Before black starting-up program starts, the topological framework of artificial input thermal power plant, artificial input definite value and parameter. Black starting-up device starting guide algorithm, obtains the startup order of each generator and subsidiary engine. Black starting-up program starts, and black starting-up device sends order to GOOSE net, starts oil electric engine, and device reads generator voltage by SV net. After voltage meets requirement, black starting-up device sends order to GOOSE net, and close circuit breaker, oil electric engine is to ac bus power transmission. Black starting-up device reads ac bus energy data in real time by SV net, and when, after the satisfied requirement of voltage, black starting-up device sends order, starts the subsidiary engine that priority is the highest, transmission afterwards is ordered and started the highest generator of priority. After generator outlet voltage meets requirement, it is grid-connected that black starting-up device sends order this generator of control. Progressively start other subsidiary engines and generator, thus start whole thermal power plant.
Under present inventive concept, the present invention has multiple concrete form of implementation, according to concrete environment specific design, just can not detail at this. Above-mentioned implementation step does not limit the present invention in any way, and the technical scheme that every employing is equal to replacement or the mode of equivalent transformation obtains all drops in protection scope of the present invention.
Claims (3)
1. a flexible black starting-up device, it is characterized in that: the communication board of described flexible black starting-up device comprises: Ethernet interface, RS232 interface, RS485 interface, described flexible black starting-up device is connected with external system by above-mentioned interface; Communication is divided into three layers: link layer, agreement layer and applied layer, connect by routine interface between layers, not coupling between each layer, it does not interfere with each other, in a link layer by abstract to Ethernet interface, RS232 interface, RS485 interface be unified routine interface, in agreement layer by abstract for IEC61850, MODBUS, IEC60870-5-104, IEC61970 communications protocol be unified routine interface, when device communicates with other systems, applied layer program does not consider concrete communication protocol and concrete communication interface.
2. flexible black starting-up according to claim 1, it is characterized in that: the inner master control board of described device and communication board, AD plate, open plate, output and be connected by two mutually redundant RS485 respectively between plate, master control board and other plates are all hung and are loaded in same bar CAN; Described device is connected with power plant SACDA system or SV net by communication board, therefrom reads electric network data, directly transducer signal is accessed AD sampling plate under special circumstances thus reads electric network data; Described device is connected with power plant's EMS system or GOOSE net by communication board, sends order to it, and control isolating switch, isolator, directly control isolating switch, isolator with outputing plate under special circumstances.
3. flexible black starting-up according to claim 1, it is characterised in that: described device is connected with upper computer by communication board, inputs power station topological framework from upper computer software, and described device performs optimizer, Automatic Optimal startup order.
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| CN201610133217.9A CN105633960A (en) | 2016-03-09 | 2016-03-09 | Multi-adaptive black-start apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610133217.9A CN105633960A (en) | 2016-03-09 | 2016-03-09 | Multi-adaptive black-start apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069805A (en) * | 2017-03-21 | 2017-08-18 | 东南大学 | Wind power plant black starting-up system |
| CN110350576A (en) * | 2019-06-24 | 2019-10-18 | 鹤山市绿湖生物能源有限公司 | A kind of mixed power generation declines black-start method, device and the equipment of power grid |
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