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CN204287917U - A kind of wind energy turbine set field level AVC system hardware framework based on Clustering - Google Patents

A kind of wind energy turbine set field level AVC system hardware framework based on Clustering Download PDF

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Publication number
CN204287917U
CN204287917U CN201420619287.1U CN201420619287U CN204287917U CN 204287917 U CN204287917 U CN 204287917U CN 201420619287 U CN201420619287 U CN 201420619287U CN 204287917 U CN204287917 U CN 204287917U
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profibus
layer
bus
fiber optic
slave station
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曹昆南
杨洋
孙晓明
刘友宽
严玉廷
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Electric Power Research Institute of Yunnan Power System Ltd
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Electric Power Research Institute of Yunnan Power System Ltd
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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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

一种基于聚类分组的风电场场级AVC系统硬件架构，该架构从结构层次上分为采集层、总线层、中央控制层和SCADA层；采集层设有Profibus DP从站和Profibus从站接口单元；总线层设有Profibus DP转光纤装置、光纤中继器、光纤转Profibus DP装置、Profibus DP主站；中央控制层设有AVC中央控制器、PXI总线和Profibus DP转PXI总线设备；SCADA层设有风电场SCADA系统；本实用新型可实现对风电场机组无功功率、电压有效值、运行状态等信息的高速采集处理和运算，并将无功功率设定值下发到各个机组，整个过程运行效率远高于现有的风电场监控系统，可以为改善风电场的无功功率控制和电压稳定提供更高效的技术手段。

A cluster-based AVC system hardware architecture for wind farms. The architecture is divided into acquisition layer, bus layer, central control layer and SCADA layer from the structural level; the acquisition layer is equipped with Profibus DP slave station and Profibus slave station interface Unit; the bus layer is equipped with Profibus DP to fiber optic device, fiber optic repeater, fiber optic to Profibus DP device, Profibus DP master station; the central control layer is equipped with AVC central controller, PXI bus and Profibus DP to PXI bus equipment; SCADA layer Equipped with a wind farm SCADA system; the utility model can realize high-speed acquisition, processing and calculation of reactive power, voltage effective value, operating status and other information of wind farm units, and send reactive power set values to each unit, the whole The operating efficiency of the process is much higher than that of the existing wind farm monitoring system, which can provide a more efficient technical means for improving the reactive power control and voltage stability of the wind farm.

Description

A kind of wind energy turbine set field level AVC system hardware framework based on Clustering
Technical field
The utility model relates to the Control on Communication hardware configuration of wind power generation field, refers in particular to wind energy turbine set field level AVC system hardware framework.
Background technology
Along with the increase of wind energy turbine set installed capacity, the safe and stable operation of integrated wind plant and access area power grid thereof receives publicity day by day.One of them importance is exactly voltage and the reactive power problem of wind power system.The grid-connected meeting of large-scale wind power causes voltage ripple of power network, especially the most outstanding with the voltage fluctuation of access point, and the basic reason that this voltage fluctuation produces is the fluctuation of reactive power.Therefore, be extremely necessary to take technological means to make grid connected wind power unit and wind energy turbine set SVG effectively can control reactive power, stabilize voltage fluctuation.At present, wind energy turbine set regulates the means of reactive power mainly to configure jumbo SVG equipment, and this equipment is extremely expensive.Wind power generating set itself has Reactive-power control ability, but because wind energy turbine set Wind turbines number is many, distribution wide, the existing supervisory system hardware structure based on RS485 agreement or Ethernet protocol can only realize minute level communication, the idle control overflow of the situation such as electric network fault, quick changes in voltage cannot be met at all, cannot utilize the reactive power regulating power of unit, be in fact huge waste.
Summary of the invention
The purpose of this utility model is just in order to solve above-mentioned deficiency, and a kind of wind energy turbine set field level AVC system hardware framework based on Clustering is proposed, the framework provided comprises acquisition layer, bus layer, central control layer and SCADA layer, can realize data communication and the control of Millisecond.Acquisition layer connects control system of wind turbines and bus layer, realizes the collection of data and sends to Profibus DP main website; Bus layer connects central control layer and acquisition layer, and realize the high-speed transfer of data, prestissimo reaches 12Mbps; Central control layer realizes the Treatment Analysis of data, the reactive power of each unit of dispensed; SCADA layer realizes the data interaction of AVC system and station.
Function of the present utility model is achieved by the following technical solution:
Based on a wind energy turbine set field level AVC system hardware framework for Clustering, the utility model is characterised in that, this framework is divided into acquisition layer, bus layer, central control layer and SCADA layer from layer of structure; Acquisition layer is provided with Profibus DP slave station and Profibus slave station interface unit; Bus layer is provided with that Profibus DP turns fiber device, fibre optic repeater, optical fiber turn Profibus DP device, Profibus DP main website; Central control layer is provided with AVC central controller, PXI bus and Profibus DP and turns PXI bus apparatus; SCADA layer is provided with wind energy turbine set SCADA system;
Annexation:
Bus layer is provided with N section bus area, and every section of bus area comprises M Profibus DP slave station, a M Profibus DP turns fiber device, a M-1 optical fiber turns Profibus DP device;
Each Profibus DP slave station is connected with 1 control system of wind turbines by 1 Profibus slave station interface unit; First Profibus DP slave station turns fiber device by Profibus DP order wire with first Profibus DP and is connected, first Profibus DP turns fiber device and turns Profibus DP device by optical fiber and first optical fiber and be connected, and first optical fiber is turned Profibus DP device and is connected with second Profibus DP slave station by Profibus DP order wire; Second Profibus DP slave station turns fiber device by Profibus DP order wire with second Profibus DP and is connected, second Profibus DP turns fiber device and turns Profibus DP device by optical fiber and second optical fiber and be connected, and second optical fiber is turned Profibus DP device and is connected with the 3rd Profibus DP slave station by Profibus DP order wire; Circulate successively, M Profibus DP slave station turns fiber device by Profibus DP order wire with M Profibus DP and is connected; M Profibus DP is turned fiber device and is connected with fibre optic repeater by optical fiber; Fibre optic repeater turns fiber device by optical fiber with Profibus DP and is connected, and Profibus DP turns fiber device, Profibus DP main website, Profibus DP are turned PXI bus apparatus and sequentially connected by Profibus DP order wire; Circulating successively in N section bus area, is also connected with SVG device in N number of Profibus DP main website; Profibus DP is turned PXI bus and is connected with AVC central controller respectively by PXI bus; AVC central controller is connected with wind energy turbine set SCADA system by netting twine.
Bus layer described in the utility model is provided with 10 sections of bus area, and every section of bus area comprises 1 to 32 Profibus DP slave station.
Based on a wind energy turbine set field level AVC system hardware framework for Clustering, be divided into acquisition layer, bus layer, central control layer and SCADA layer.
Described acquisition layer comprises Profibus DP slave station and Profibus slave station interface unit, utilizes wind power generating set reactive power, voltage effective value and operating states of the units needed for Profibus DP slave station collection wind energy turbine set Clustering AVC control.
Described bus layer comprises that Profibus DP turns fiber device, fibre optic repeater, optical fiber turn Profibus DP device, Profibus DP main website, and bus layer one section of bus can connect 1 to 32 Profibus DP slave station, and bus layer can arrange 10 sections of buses.
Described bus layer also comprises the Profibus DP slave station connecting wind energy turbine set SVG.
Described central control layer comprises AVC central controller, PXI bus and Profibus DP and turns PXI bus apparatus, and AVC central controller realizes the Treatment Analysis of data, the distribution of unit reactive power.
Described SCADA layer realizes SCADA server and AVC central controller information interaction by Ethernet protocol.
The utility model acquisition layer comprises Profibus DP slave station and Profibus slave station interface unit, Profibus slave station interface unit adopts intelligent communication chip SPC3 to realize, this chip can communicate with most wind power generator control system CPU thus gather the information needed for AVC system, and data message is packaged into Profibus frame, information frame is sent to main website by Profibus DP slave station, realizes the collection of data.
The utility model bus layer carries out bus sectionalization and bus master management with the Clustering realizing Wind turbines according to the unit quantity of wind energy turbine set and type, and realizes the high-speed remote of data from transmission by optical fiber.One section of bus can hang at most 32 slave stations, and slave station outlet turns fiber plant by Profibus DP and converts electrical signals to light signal and realize long-distance transmissions, turns Profibus DP equipment again change when the next slave station of intelligent acess or main website by optical fiber.Central control layer is given on after main website receives data.
The utility model central control layer comprises AVC central controller, PXI bus and Profibus DP and turns PXI bus apparatus, Profibus DP turns the PXI bus format being converted to the identification of AVC central controller after PXI bus apparatus receives the data of bus layer, the data of acquisition are carried out Treatment Analysis by AVC central controller, and calculate the idle setting power of unit by specific algorithm, and distributed by data acquisition network in the same way.
The utility model SCADA layer realizes SCADA server and AVC central controller information interaction by Ethernet protocol.
The beneficial effects of the utility model are, a kind of wind energy turbine set field level AVC system hardware framework is provided, the high speed acquisition process to information such as wind energy turbine set unit reactive power, voltage effective value, running statuses and computing can be realized, and reactive power setting value is issued to each unit, whole process operation efficiency, far above existing wind farm monitoring system, can provide more efficient technological means for the Reactive Power Control and voltage stabilization improving wind energy turbine set.
The utility model content is set forth further below in conjunction with drawings and Examples.
Accompanying drawing explanation
Fig. 1 is the utility model wind energy turbine set field level AVC system hardware structure schematic diagram;
Fig. 2 is the utility model acquisition layer Profibus DP slave station structural representation;
Fig. 3 is the utility model bus layer structural representation.
Embodiment
Based on a wind energy turbine set field level AVC system hardware framework for Clustering, the utility model is characterised in that, this framework is divided into acquisition layer, bus layer, central control layer and SCADA layer from layer of structure; Acquisition layer is provided with Profibus DP slave station and Profibus slave station interface unit; Bus layer is provided with that Profibus DP turns fiber device, fibre optic repeater, optical fiber turn Profibus DP device, Profibus DP main website; Central control layer is provided with AVC central controller, PXI bus and Profibus DP and turns PXI bus apparatus; SCADA layer is provided with wind energy turbine set SCADA system;
Annexation:
Bus layer is provided with N section bus area, and every section of bus area comprises M Profibus DP slave station, a M Profibus DP turns fiber device, a M-1 optical fiber turns Profibus DP device;
Each Profibus DP slave station is connected with 1 control system of wind turbines by 1 Profibus slave station interface unit; First Profibus DP slave station turns fiber device by Profibus DP order wire with first Profibus DP and is connected, first Profibus DP turns fiber device and turns Profibus DP device by optical fiber and first optical fiber and be connected, and first optical fiber is turned Profibus DP device and is connected with second Profibus DP slave station by Profibus DP order wire; Second Profibus DP slave station turns fiber device by Profibus DP order wire with second Profibus DP and is connected, second Profibus DP turns fiber device and turns Profibus DP device by optical fiber and second optical fiber and be connected, and second optical fiber is turned Profibus DP device and is connected with the 3rd Profibus DP slave station by Profibus DP order wire; Circulate successively, M Profibus DP slave station turns fiber device by Profibus DP order wire with M Profibus DP and is connected; M Profibus DP is turned fiber device and is connected with fibre optic repeater by optical fiber; Fibre optic repeater turns fiber device by optical fiber with Profibus DP and is connected, and Profibus DP turns fiber device, Profibus DP main website, Profibus DP are turned PXI bus apparatus and sequentially connected by Profibus DP order wire; Circulating successively in N section bus area, is also connected with SVG device in N number of Profibus DP main website; Profibus DP is turned PXI bus and is connected with AVC central controller respectively by PXI bus; AVC central controller is connected with wind energy turbine set SCADA system by netting twine.
Bus layer described in the utility model is provided with 10 sections of bus area, and every section of bus area comprises 1 to 32 Profibus DP slave station.
As Fig. 1, a kind of wind energy turbine set field level AVC system hardware framework based on Clustering comprises acquisition layer, bus layer, central control layer and SCADA layer, can realize data communication and the control of Millisecond.Acquisition layer connects control system of wind turbines and bus layer, realizes the collection of data and sends to Profibus DP main website; Bus layer connects central control layer and acquisition layer, realizes the high-speed transfer of data, the large 12Mbps of prestissimo; Central control layer realizes the Treatment Analysis of data, the reactive power of each unit of dispensed; SCADA layer realizes the data interaction of AVC system and station.
As Fig. 2, the utility model acquisition layer comprises Profibus DP slave station and Profibus slave station interface unit, Profibus slave station interface unit adopts intelligent communication chip SPC3 to realize, this chip can communicate with most wind power generator control system CPU, thus obtain the information such as unit reactive power, running status, and data message is packaged into the Profibus frame comprising control information, data message, address information, realize issuing of reactive power setting value simultaneously.
As Fig. 3, in bus layer, one section of bus can hang at most 32 slave stations, slave station outlet turns fiber plant by Profibus DP and converts electrical signals to light signal and realize long-distance transmissions, turn Profibus DP equipment by optical fiber again during the next slave station of intelligent acess to change, if the transmission range of optical fiber may be exceeded during slave station outlet optical fiber access main website, therefore install Optical fiber relay equipment additional.Because SVG is generally arranged in wind energy turbine set switchyard, distance Profibus main website apart from not far, therefore does not adopt optical fiber conversion equipment.

Claims (2)

1.一种基于聚类分组的风电场场级AVC系统硬件架构，其特征在于，该架构从结构层次上分为采集层、总线层、中央控制层和SCADA层；采集层设有Profibus DP从站和Profibus从站接口单元；总线层设有Profibus DP转光纤装置、光纤中继器、光纤转Profibus DP装置、Profibus DP主站；中央控制层设有AVC中央控制器、PXI总线和Profibus DP转PXI总线设备；SCADA层设有风电场SCADA系统； 1. A wind farm field level AVC system hardware architecture based on clustering and grouping is characterized in that the architecture is divided into acquisition layer, bus layer, central control layer and SCADA layer from the structural level; the acquisition layer is provided with Profibus DP slave Station and Profibus slave station interface unit; the bus layer is equipped with Profibus DP to fiber optic device, fiber optic repeater, fiber optic to Profibus DP device, Profibus DP master station; the central control layer is equipped with AVC central controller, PXI bus and Profibus DP to PXI bus equipment; SCADA layer is equipped with wind farm SCADA system; 连接关系：总线层设有N段总线区域，每段总线区域包含M个Profibus DP从站、M 个Profibus DP转光纤装置、M-1个光纤转Profibus DP装置； Connection relationship: the bus layer has N sections of bus areas, and each section of the bus area includes M Profibus DP slave stations, M Profibus DP to optical fiber devices, and M-1 optical fiber to Profibus DP devices; 每个Profibus DP从站通过1个Profibus从站接口单元与1个风电机组控制系统连接；第一个Profibus DP从站通过Profibus DP通信线与第一个Profibus DP转光纤装置相连，第一个Profibus DP转光纤装置通过光纤与第一个光纤转Profibus DP装置相连，第一个光纤转Profibus DP装置通过Profibus DP通信线与第二个Profibus DP从站相连；第二个Profibus DP从站通过Profibus DP通信线与第二个Profibus DP转光纤装置相连，第二个Profibus DP转光纤装置通过光纤与第二个光纤转Profibus DP装置相连，第二个光纤转Profibus DP装置通过Profibus DP通信线与第三个Profibus DP从站相连；依次循环，第M个Profibus DP从站通过Profibus DP通信线与第M个Profibus DP转光纤装置相连；第M个Profibus DP转光纤装置通过光纤与光纤中继器相连；光纤中继器通过光纤与Profibus DP转光纤装置相连，Profibus DP转光纤装置、Profibus DP主站、Profibus DP转PXI总线设备通过Profibus DP通信线依序连接；N段总线区域依次循环，在第N个Profibus DP主站还与SVG装置相连；Profibus DP转PXI总线通过PXI总线分别与AVC中央控制器相连；AVC中央控制器通过网线与风电场SCADA系统相连。 Each Profibus DP slave station is connected to a wind turbine control system through a Profibus slave station interface unit; the first Profibus DP slave station is connected to the first Profibus DP to optical fiber device through a Profibus DP communication line, and the first Profibus DP The DP to fiber optic device is connected to the first fiber to Profibus DP device through optical fiber, and the first fiber to Profibus DP device is connected to the second Profibus DP slave station through the Profibus DP communication line; the second Profibus DP slave station is connected to the second Profibus DP slave station through Profibus DP The communication line is connected to the second Profibus DP to fiber optic device, and the second Profibus DP to fiber optic device is connected to the second fiber optic to Profibus DP device through fiber optics, and the second fiber optic to Profibus DP device is connected to the third fiber optic to Profibus DP device through the Profibus DP communication line. Each Profibus DP slave station is connected; in turn, the Mth Profibus DP slave station is connected to the Mth Profibus DP to fiber optic device through the Profibus DP communication line; the Mth Profibus DP to fiber optic device is connected to the fiber optic repeater through the fiber optic; The fiber optic repeater is connected to the Profibus DP to fiber optic device through optical fiber, and the Profibus DP to fiber optic device, Profibus DP master station, and Profibus DP to PXI bus device are connected in sequence through the Profibus DP communication line; A Profibus DP master station is also connected to the SVG device; the Profibus DP to PXI bus is connected to the AVC central controller through the PXI bus; the AVC central controller is connected to the SCADA system of the wind farm through a network cable. 2.根据权利要求1所述的一种基于聚类分组的风电场场级AVC系统硬件架构，其特征在于，总线层设有10段总线区域，每段总线区域包含1至32个Profibus DP从站。 2. a kind of wind farm field level AVC system hardware architecture based on clustering grouping according to claim 1, it is characterized in that, bus layer is provided with 10 section bus areas, each section bus area includes 1 to 32 Profibus DP slaves stand.
CN201420619287.1U 2014-10-24 2014-10-24 A kind of wind energy turbine set field level AVC system hardware framework based on Clustering Expired - Lifetime CN204287917U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849066A (en) * 2017-03-07 2017-06-13 云南电网有限责任公司电力科学研究院 A kind of regional wind power prediction method
CN109038830A (en) * 2018-09-03 2018-12-18 国电联合动力技术有限公司 High frequency rate acquisition control system and method in a kind of wind power plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849066A (en) * 2017-03-07 2017-06-13 云南电网有限责任公司电力科学研究院 A kind of regional wind power prediction method
CN109038830A (en) * 2018-09-03 2018-12-18 国电联合动力技术有限公司 High frequency rate acquisition control system and method in a kind of wind power plant

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