CN206450987U - Net joint real-time emulation system in source - Google Patents
Net joint real-time emulation system in source Download PDFInfo
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- CN206450987U CN206450987U CN201621436128.3U CN201621436128U CN206450987U CN 206450987 U CN206450987 U CN 206450987U CN 201621436128 U CN201621436128 U CN 201621436128U CN 206450987 U CN206450987 U CN 206450987U
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Abstract
The utility model provides an introduces a collection net and combines real-time emulation system.The system includes：Source replicating machine cluster, coordination service device, net side real-time digital simulator RTDS systems, energy management system EMS, Automation generation control scheduling system.By the utility model, the emulation of all kinds of generating sets is on the one hand realized by source replicating machine cluster, on the other hand grid side emulation is realized with reference to net side RTDS systems.Pass through source net associative simulation, solve the problem of electric system simulation platform in correlation technique can not effectively simulate all kinds of power networks and all kinds of generating set failures, the panorama type associative simulation between source, net, multi-stage scheduling center can be realized, the research for dispatching of power netwoks new mechanism after extensive new-energy grid-connected provides condition.
Description
Technical field
The utility model is related in power system the Real-time Simulation Technology field between regional power grid and all kinds of power supplys, it is specific and
Speech, is related to introduces a collection net joint real-time emulation system.
Background technology
In face of the common problem of the mankind such as fossil energy increasingly depleted, environmental pollution, climate change, Devoting Major Efforts To Developing utilizes wind
The new energy such as energy, solar energy, biomass energy, lifted traditional energy utilization ratio, it has also become the basic Consensus of countries in the world and should
To strategy.As internationalization tourist city, Hainan Province has higher requirement to energy-saving and emission-reduction and environmental protection.By 2015
Bottom, Hainan Province's wind-powered electricity generation total installation of generating capacity has reached 31.1 ten thousand kilowatts, accounts for the 5.3% of total installation of generating capacity.During " 12 ", Hainan
Grid company will put into 25,000,000,000 yuan of acceleration Hainan Power Grid construction, while it is comprehensive to accelerate solution new energy, regenerative resource, distribution
Technology and economic policy problem that energy supplying system effectively accesses power network are closed, emphasis promotes offshore wind farm to develop, it is contemplated that to " ten
Two or five " last Hainan Power Grid clean energy resource generator installation ratio will be up to more than 50%.
At present, Hainan Province has had Huaneng Group Wenchang wind power plant, east sense city wind power plant, east wind power plant, the high climing wind in Danzhou
5 Wind Power Projects such as electric field, the more wind power plant of CNOOC four, offshore wind farm is estimated can to develop about 5,000,000 kilowatts of installation.In solar energy
In terms of generating, current Hainan Province has had the grid-connected demonstration projects of Lingao County 20MW, the wide dam 50MW solar power generations in east
Multiple large-sized photovoltaic power stations such as mesh, the wide dam 50MW solar energy projects of the grid-connected demonstration projects of Lingao County 20MW and east are equal
Built up it is grid-connected therefore, wind-power electricity generation and solar power generation have as Hainan Province's generation of electricity by new energy pattern main at present
Vast potential for future development.
However, there is stochastic volatility using wind-powered electricity generation, solar power generation as the new energy electric power of representative, it is uncertain and anti-
Peak-shaving capability, and these characteristics are different with the change of the factors such as season, weather, local meteorology/geographical conditions.It is particularly extra large
South is based on tourist industry, without large scale industry, and load is mainly based on residential electricity consumption load, and this part throttle characteristics and wind-powered electricity generation go out
Inconsistency between force characteristic, i.e., anti-peak-shaving capability is more prominent.Meanwhile, frequency stabilization problem is puzzlement Hainan Power Grid operation
One problem.And Hainan is influenceed by geographical position, the invasion and attack of the extreme weathers such as hurricane are subject to, this easily causes wind-powered electricity generation, light
The cataclysm of exerting oneself of the new energy power supply such as electricity, aggravates frequency stabilization problem.Therefore, the scale of new energy electric power is grid-connected will be to Hainan electricity
The operation control of net proposes new challenge.
At present, existing many theoretical researches for new energy characteristic and Power System Analysis control method both at home and abroad.But
It is that existing electric system simulation platform only considers the electro-magnetic transient characteristic of power network, it is still no uniformly to consider various power supplys
The full power process simulation platform of control response characteristic, therefore electricity net safety stable is transported for the access amount of new energy in power network
Capable influence is difficult to provide the quantitative analysis conclusion geared to actual circumstances.
Utility model content
The utility model provides an introduces a collection net and combines real-time emulation system, at least to solve the power train in correlation technique
The problem of system emulation platform can not effectively simulate all kinds of power networks and all kinds of generating set failures.
Real-time emulation system is combined there is provided an introduces a collection net according to one side of the present utility model, including：Source is emulated
Machine cluster, coordination service device, net side real-time digital simulator RTDS systems, energy management system EMS, Automatic Generation Control
AGC dispatches system, wherein,
Each source replicating machine in the source replicating machine cluster is connected with the coordination service device respectively；It is described to coordinate
Server is connected with the net side RTDS systems；The net side RTDS systems connect with the EMS and AGC scheduling systems respectively
Connect；The EMS sets up communication with AGC scheduling systems and is connected.
Alternatively, the source replicating machine cluster includes at least one of：
One or more Wind turbines replicating machines, one or more machine of thermal power generation unit, one or more Hydropower Units
Replicating machine, one or more nuclear power generating sets replicating machines, one or more photovoltaic generation unit replicating machines.
Alternatively, the Wind turbines replicating machine includes：Wind model module, wind energy conversion system model module, driving-chain pattern die
Block, generator model module, current transformer model module.
Alternatively, the machine of thermal power generation unit includes：Unit dynamic model module and coordinated control system, wherein,
The unit dynamic model module includes：Boiler dynamic cell, steam turbine dynamic cell, generator dynamic cell；
The coordinated control system includes：Boiler master module, turbine main control module, steam turbine digital electrichydraulic control DEH
Module, frequency difference correction module.
Alternatively, the Hydropower Unit replicating machine includes：AGC modules, electronic controller module, actuator module, draw
Water and sluicing module, turbine-generator units module and measurement module.
Alternatively, the nuclear power generating sets replicating machine includes：Neutron dynamic model module, reactor fuel and coolant temperature mould
Pattern block, primary Ioops ooling channel model module, model steam generator module, cooling medium pump model module, reactor work(
Rate control system model module, steam turbine model module, steam turbine governor model module.
Alternatively, the photovoltaic generation unit replicating machine includes：Photovoltaic cell group model module, DC-to-dc DC-DC moulds
Block, DC-AC DC-AC module, filtering boost module, Inverter control module and maximal power tracing MPPT modules.
Alternatively, the net side RTDS systems are connected by GTFPGA interface cards with the coordination service device.
Alternatively, the net side RTDS systems are dispatched system with the EMS and AGC by GTNET interface cards and are connected.
By the utility model, using by source replicating machine cluster, coordination service device, net side real-time digital simulator RTDS
The source net joint real-time emulation system that system, energy management system EMS, Automation generation control scheduling system are constituted, one
Aspect realizes the emulation of all kinds of generating sets by source replicating machine cluster, is on the other hand realized with reference to net side RTDS systems
Grid side is emulated.By source net associative simulation, solving the electric system simulation platform in correlation technique can not effectively simulate respectively
The problem of class power network and all kinds of generating set failures, it is possible to achieve the panorama type joint between source, net, multi-stage scheduling center is imitative
Very, the research for dispatching of power netwoks new mechanism after extensive new-energy grid-connected provides condition.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the structured flowchart that joint real-time emulation system is netted according to the source of the utility model embodiment；
Fig. 2 is the structural representation of the machine of thermal power generation unit according to the utility model embodiment；
Fig. 3 is the structural representation of the Hydropower Unit replicating machine according to the utility model embodiment；
Fig. 4 is the structural representation of the nuclear power generating sets replicating machine according to the utility model embodiment；
Fig. 5 is the structural representation of the photovoltaic generation unit replicating machine according to the utility model embodiment.
Embodiment
Describe the utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not rushing
In the case of prominent, the feature in embodiment and embodiment in the application can be mutually combined.
An introduces a collection net is provided in the present embodiment combines real-time emulation system.Fig. 1 is according to the utility model embodiment
Source net joint real-time emulation system structured flowchart, as shown in figure 1, the system includes：Source replicating machine cluster 1, coordination clothes
Be engaged in device 2, net side real-time digital simulator RTDS systems 3, energy management system EMS 4, Automation generation control scheduling system
System 5, wherein,
Each source replicating machine in source replicating machine cluster 1 is connected with coordination service device 2 respectively；Coordination service device 2 with
Net side RTDS systems 3 are connected；Net side RTDS systems 3 are connected with EMS 4 and AGC scheduling system 5 respectively；EMS 4 and AGC, which is dispatched, is
System 5 sets up communication connection.
Said system can simulate reality using source replicating machines such as thermoelectricity, wind-powered electricity generation, the water-storages of source replicating machine cluster 1
The dynamic characteristic of border unit, net side RTDS systems 3 provide the modeling and simulation platform of actual electric network, EMS 4 and automatic generation control
AGC scheduling system 5 processed can simulate multi-stage scheduling center.It can be realized between source, net, multi-stage scheduling center by said system
Panorama type associative simulation, the research for dispatching of power netwoks new mechanism after extensive new-energy grid-connected provides condition.
There is RTDS systems highly-parallel computing capability, scalability and a variety of data-interfaces to make it in bulk power grid operation point
There is prospect in terms of analysis and closed loop test experiment, but due to factors such as model difference, size limits, RTDS simulation models are general
For be for real system according to it is certain rule simplify after wait valve system.It therefore, it can combine existing RTDS hardware money
Source, first on the premise of considering to retain power network dynamic characteristic, determines the reservation region and grid structure of power network, carries out rack portion
The equivalence divided, extra-net part is then accessed in the form of infinitely great power supply.Then actual electric network is carried out on RTDS emulation platforms again
Operated Deng the modeling and simulating of valve system, and by changing parameter, Component selection etc., set up above-mentioned net side RTDS systems 3, it is ensured that
RTDS simulation data is consistent with actual electric network.
EMS 4 and AGC scheduling system 5 receives in the present embodiment as simulation control center and comes from net side RTDS systems 3
Real-time simulation data.To realize that the subsidiary factory station of RTDS emulation data receives and stored, actual electric network can be built on EMS 4
Deng the network model of valve system, comprising building network structure, the typing of equipment component parameter, the setting of factory station data channel parameters
Deng, and the adjustment and checking of follow-up EMS computation models are performed, so as to be that dispatcher makes correctly with reference to advanced applied software
Decision-making provides safeguard.
Alternatively, source replicating machine cluster 1 includes but is not limited at least one of：One or more Wind turbines emulation
Machine, one or more machine of thermal power generation unit, one or more Hydropower Unit replicating machines, the emulation of one or more nuclear power generating sets
Machine, one or more photovoltaic generation unit replicating machines.
Alternatively, Wind turbines replicating machine includes：Wind model module, wind energy conversion system model module, driving-chain model module, hair
Motor model module, current transformer model module.
For example, Wind turbines emulation is using the design of a distributed emulation machine group of planes.Kernel object is wind in wind power plant
It is divided into group of motors, Wind turbines according to function difference with drag：Wind model, wind energy conversion system model, transmission chain model, generator
Model, converter module；In addition to main modular, there can also be various supplementary modules.
Wind turbines are using wind as motive power, and wind speed directly determines the dynamic characteristic of Wind turbines.In the analogue system
In, for the randomness and intermittent feature of relatively accurate description wind energy, simulated in analogue system with four kinds of compositions：Substantially
Wind, fitful wind, gradual change wind and RANDOM WIND.Also interface data can be read from wind power plant SIS data, wind-powered electricity generation replicating machine is simulated reality
The wind-force change on border.
Fig. 2 is the structural representation of the machine of thermal power generation unit according to the utility model embodiment, as shown in Fig. 2 optional
Ground, machine of thermal power generation unit includes：Unit dynamic model module and coordinated control system, wherein, unit dynamic model module bag
Include：Boiler dynamic cell, steam turbine dynamic cell, generator dynamic cell；Coordinated control system includes：Boiler master module,
Turbine main control module, steam turbine digital electrichydraulic control DEH modules, frequency difference correction module.
The simulation for thermal power plant model set up on machine of thermal power generation unit is, based on simplified Nonlinear Control Model, to realize
The main dynamic characteristic of unit and the simulation of control program.Compared with simple speed regulator module, the thermoelectricity that the present embodiment is provided
Unit simulation model adds machine, stove dynamic characteristic, more can really reflect the control characteristic of unit.Simulation model can be realized
The simulation of the operating mode such as the normal operation of unit and fast cut-back.
Fig. 3 is the structural representation of the Hydropower Unit replicating machine according to the utility model embodiment, as shown in figure 3, optional
Ground, Hydropower Unit replicating machine includes：AGC modules, electronic controller module, actuator module, diversion and sluicing module, water wheels
Power generation module and measurement module.Electronic controller and executing agency constitute hydrogovernor, electronic controller receiver
The load Setting signal of class frequency, power and AGC system simultaneously internally realizes frequency and power closed-loop adjustment, and executing agency presses one
Determine characteristic and the output of electronic controller is converted into main servomotor deviation of stroke, so as to control the power of the assembling unit, rotating speed.
Fig. 4 is the structural representation of the nuclear power generating sets replicating machine according to the utility model embodiment, as shown in figure 4, optional
Ground, nuclear power generating sets replicating machine includes：Neutron dynamic model module, reactor fuel and coolant temperature model module, primary Ioops are flat
Equal temperature model module, model steam generator module, hot line temperature model module, cold line temperature model module, reactor work(
Rate control system model module, steam turbine model module, steam turbine governor model module.
Fig. 5 is the structural representation of the photovoltaic generation unit replicating machine according to the utility model embodiment, as shown in figure 5,
Alternatively, photovoltaic generation unit replicating machine includes：Photovoltaic cell group model module, DC-to-dc DC-DC module, DC-AC
DC-AC module, filtering boost module, Inverter control module and maximal power tracing MPPT modules.Photovoltaic generation unit it is defeated
Enter for intensity of illumination and temperature, can set manually, it would however also be possible to employ the real data of photovoltaic power plant imitates photovoltaic as input
Prototype can simulate the power output change under actual illumination and temperature conditions.
The problem of photovoltaic generation unit simulation model is related to variable step.Power electronic element is small step-length element (step-length 2
μ s), solar-electricity pool model and three-phase alternating-current supply belong to big step-length element (μ s of step-length 50), and connection needs to carry out step-length change
Change.
RTDS provides a variety of data-interfaces, for realizing its data exchange between peripheral hardware.Because conventional digital-to-analogue turns
The usual port number of alias is not enough, and precision is different, to realize the system-level closed loop based on Ethernet, RTDS between RTDS and EMS
The output of system side data input is realized by RTDS/GTNET cards.
Alternatively, net side RTDS systems are connected by GTFPGA interface cards with coordination service device.
Alternatively, net side RTDS systems are dispatched system with EMS and AGC by GTNET interface cards and are connected.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (9)
1. an introduces a collection net combines real-time emulation system, it is characterised in that including：Source replicating machine cluster, coordination service device, net side
Real-time digital simulator RTDS systems, energy management system EMS, Automation generation control scheduling system, wherein,
Each source replicating machine in the source replicating machine cluster is connected with the coordination service device respectively；The coordination service
Device is connected with the net side RTDS systems；The net side RTDS systems are connected with the EMS and AGC scheduling system respectively；
The EMS sets up communication with AGC scheduling systems and is connected.
2. system according to claim 1, it is characterised in that the source replicating machine cluster includes at least one of：
One or more Wind turbines replicating machines, one or more machine of thermal power generation unit, the emulation of one or more Hydropower Units
Machine, one or more nuclear power generating sets replicating machines, one or more photovoltaic generation unit replicating machines.
3. system according to claim 2, it is characterised in that the Wind turbines replicating machine includes：Wind model module, wind
Power machine model module, driving-chain model module, generator model module, current transformer model module.
4. system according to claim 2, it is characterised in that the machine of thermal power generation unit includes：Unit dynamic model
Module and coordinated control system, wherein,
The unit dynamic model module includes：Boiler dynamic cell, steam turbine dynamic cell, generator dynamic cell；
The coordinated control system includes：Boiler master module, turbine main control module, steam turbine digital electrichydraulic control DEH modules,
Frequency difference correction module.
5. system according to claim 2, it is characterised in that the Hydropower Unit replicating machine includes：AGC modules, electronics
Adjustor module, actuator module, diversion and sluicing module, turbine-generator units module and measurement module.
6. system according to claim 2, it is characterised in that the nuclear power generating sets replicating machine includes：Neutron dynamic model
Module, reactor fuel and coolant temperature model module, primary Ioops ooling channel model module, model steam generator mould
Block, cooling medium pump model module, reactor power control system model module, steam turbine model module, steam turbine governor model
Module.
7. system according to claim 2, it is characterised in that the photovoltaic generation unit replicating machine includes：Photovoltaic cell
Group model module, DC-to-dc DC-DC module, DC-AC DC-AC module, filtering boost module, Inverter control module
With maximal power tracing MPPT modules.
8. system according to claim 1, it is characterised in that the net side RTDS systems pass through GTFPGA interface cards and institute
State the connection of coordination service device.
9. system according to claim 1, it is characterised in that the net side RTDS systems pass through GTNET interface cards and institute
State EMS and AGC scheduling system connections.
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| CN106855692A (en) * | 2016-12-26 | 2017-06-16 | 海南电力技术研究院 | Net joint real-time emulation system in source |
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| CN106855692A (en) * | 2016-12-26 | 2017-06-16 | 海南电力技术研究院 | Net joint real-time emulation system in source |
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Address after: Longhua District of Hainan city in Haikou province 570311 Hai posterior No. 23 Patentee after: Hainan Electric Power Grid Co., Ltd. Electric Power Research Institute Address before: Building Letter No. 123-8 Binhai Road 570203 Hainan city in Haikou Province, 13 floor Patentee before: Hainan Power Technology Research Institute |