CN206135542U - Microgrid control system - Google Patents

Microgrid control system Download PDF

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Publication number
CN206135542U
CN206135542U CN201621059996.4U CN201621059996U CN206135542U CN 206135542 U CN206135542 U CN 206135542U CN 201621059996 U CN201621059996 U CN 201621059996U CN 206135542 U CN206135542 U CN 206135542U
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China
Prior art keywords
micro
capacitance sensor
power
control module
incorporated
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CN201621059996.4U
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Inventor
刘红岩
方连航
庞松岭
兰穗梅
孟春旅
朱望诚
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Electric Power Research Institute of Hainan Power Grid Co Ltd
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HAINAN POWER TECHNOLOGY RESEARCH INSTITUTE
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Priority to CN201621059996.4U priority Critical patent/CN206135542U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation

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  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The utility model provides a microgrid control system. This microgrid control system includes: little electric wire netting total controller, a plurality of little electric wire netting, wherein, a plurality of little electric wire nettings pass through transmission line and interconnector connection, the electric connection of little electric wire netting controller of every electric wire netting that declines in little electric wire netting total controller and a plurality of little electric wire nettings, little electric wire netting controller is used for keeping watch on the running state of little electric wire netting and sending running state for little electric wire netting total controller to and receive electric wire netting total controller's control command a little, in order to control the operational mode operation of little electric wire netting with one of the mode of being incorporated into the power networks, risk operational mode, isolated network operation mode, recovering mode of being incorporated into the power networks. Through the utility model discloses, solve the problem that little electric wire netting can not carry out the switching of operational mode smoothly in the correlation technique, realized the steady switching of little power grid operation mode.

Description

Micro grid control system
Technical field
The utility model is related to electric power network technique field, in particular to a kind of micro grid control system.
Background technology
With the development of social economy, increasingly sharpening along with energy resource consumption, energy shortage, utilization rate be low and environment Pollution also grows in intensity, and micro-capacitance sensor with its flexibly, efficiently, economic, environmental protection and energy is various etc. that advantage becomes development electric power Industry, the main strategic means for solving energy problem.Micro-capacitance sensor can integrate a large amount of distributed news and generate electricity, and contribute to solving The various problems that bulk power grid runs into, are the important component parts of power distribution network in following intelligent grid.
The operation control of micro-capacitance sensor must have the ability of the steady switching under grid-connected and isolated power grid pattern, existing micro- Operation of power networks, is mostly the direct switching of both of which, and switchover policy is single, fluctuation of service.In order to realize the two of micro-capacitance sensor The steady switching between typical operational mode is planted, needs one kind rationally to switch under many operational mode environment of micro-capacitance sensor steadily The operation reserve of transition, so as to improve the power supply reliability of micro-capacitance sensor, makes the low-carbon environment-friendly energy and realizes sustainable development.
Utility model content
The utility model provides a kind of micro grid control system, can not be steady at least to solve micro-capacitance sensor in correlation technique Carry out operational mode switching problem.
According to one side of the present utility model, there is provided a kind of micro grid control system, including:Micro-capacitance sensor master control Device, multiple micro-capacitance sensors;Wherein, the plurality of micro-capacitance sensor is connected by transmission line of electricity and interconnector;The micro-capacitance sensor master control Device is electrically connected with the micro-capacitance sensor controller of each micro-capacitance sensor in the plurality of micro-capacitance sensor;The micro-capacitance sensor controller is used to monitor micro- Running status is simultaneously sent to the micro-capacitance sensor master controller, and receive the micro-capacitance sensor master controller by the running status of electrical network Control instruction, with control micro-capacitance sensor with the pattern of being incorporated into the power networks, risk operational mode, isolated power grid pattern, recovery be incorporated into the power networks The operational mode operation of one of pattern.
Alternatively, the micro-capacitance sensor master controller includes risk operational mode control module, the risk operational mode control Molding block includes at least one of:First control module, for controlling the power flow direction between the plurality of micro-capacitance sensor;Second Control module, for controlling the load of transmission line of electricity and power station and exerting oneself.
Alternatively, the first micro-capacitance sensor and the second micro-capacitance sensor, first micro-capacitance sensor and master are included in the plurality of micro-capacitance sensor Electrical network is got in touch with, and in the case that second micro-capacitance sensor is got in touch with first micro-capacitance sensor, first control module includes following One of:First control unit, transmits respectively with second micro-capacitance sensor for controlling the main electrical network to first micro-capacitance sensor Power;Second control unit, for controlling the main electrical network to the first micro-capacitance sensor through-put power, first micro-capacitance sensor to The second micro-capacitance sensor through-put power;3rd control unit, for control first micro-capacitance sensor respectively to the main electrical network and The second micro-capacitance sensor through-put power;4th control unit, passes for controlling second micro-capacitance sensor to first micro-capacitance sensor Defeated power, first micro-capacitance sensor is to the main electrical grid transmission power.
Alternatively, the micro-capacitance sensor master controller also includes:Isolated power grid mode control module, for the plurality of micro- In the case that one or more micro-capacitance sensor in electrical network breaks down, control the plurality of micro-capacitance sensor and turned by risk operational mode For isolated power grid pattern.
Alternatively, the isolated power grid mode control module includes:3rd control module, for occurring machine in micro-capacitance sensor In the case that group failure is out of service, the load of the micro-capacitance sensor is accordingly cut off, to maintain power-balance;4th control mould Block, for occurring line fault tripping load in micro-capacitance sensor in the case of, accordingly reduce exerting oneself for the micro-capacitance sensor, with tie up Hold power-balance.
Alternatively, the micro-capacitance sensor master controller also includes:Recover the mode control module that is incorporated into the power networks, for described many In the case that the failure of individual micro-capacitance sensor has all been excluded, controls the plurality of micro-capacitance sensor and switched to recover simultaneously by isolated power grid pattern Network operation pattern.
Alternatively, the recovery mode control module that is incorporated into the power networks includes:5th control module, it is the plurality of for reducing Voltage difference in micro-capacitance sensor between each micro-capacitance sensor and main electrical network;6th control module, for adjusting the plurality of micro-capacitance sensor in The frequency of each micro-capacitance sensor so that frequency of the frequency of each micro-capacitance sensor less than main electrical network;7th control module, for adjusting State the voltage of each micro-capacitance sensor in multiple micro-capacitance sensors so that the phase place of the voltage of main electrical network in advance with the voltage of each micro-capacitance sensor Phase place.
Alternatively, the micro-capacitance sensor master controller also includes:Be incorporated into the power networks mode control module, the plurality of for controlling Micro-capacitance sensor switchs to the pattern of being incorporated into the power networks by the recovery pattern of being incorporated into the power networks.
By the utility model, the micro grid control system of employing, including:Micro-capacitance sensor master controller, multiple micro-capacitance sensors;Its In, multiple micro-capacitance sensors are connected by transmission line of electricity and interconnector;Micro-capacitance sensor master controller and each micro- electricity in multiple micro-capacitance sensors The micro-capacitance sensor controller electrical connection of net;Micro-capacitance sensor controller is used to monitor the running status of micro-capacitance sensor and be sent to running status Micro-capacitance sensor master controller, and the control instruction of micro-capacitance sensor master controller is received, to control micro-capacitance sensor with the pattern of being incorporated into the power networks, wind Dangerous operational mode, isolated power grid pattern, recovery be incorporated into the power networks one of pattern operational mode operation.Solve micro- in correlation technique Electrical network can not smoothly carry out the problem of the switching of operational mode, realize the steady switching of micro-capacitance sensor operational mode.
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 structural representation of the micro grid control system according to the utility model embodiment;
Fig. 2 is the structural representation of the micro-capacitance sensor master controller according to the utility model embodiment;
Fig. 3 is the flow chart of the micro-capacitance sensor operational mode control method according to the utility model embodiment.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the utility model in detail.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.
A kind of micro grid control system is provided in the present embodiment, and Fig. 1 is the micro- electricity according to the utility model embodiment The structural representation of network control system, as shown in figure 1, the system includes:Micro-capacitance sensor master controller 1, multiple micro-capacitance sensors 2;Wherein, Multiple micro-capacitance sensors 2 are connected by transmission line of electricity 21 and interconnector 22;In micro-capacitance sensor master controller 1 and multiple micro-capacitance sensors 2 each The micro-capacitance sensor controller 23 of micro-capacitance sensor 2 is electrically connected;Micro-capacitance sensor controller 23 is used to monitor the running status of micro-capacitance sensor 2 and will run State is sent to micro-capacitance sensor master controller 1, and the control instruction of reception micro-capacitance sensor master controller 1, to control micro-capacitance sensor 2 with simultaneously Network operation pattern, risk operational mode, isolated power grid pattern, recovery be incorporated into the power networks one of pattern operational mode operation.
By said system, the utility model embodiment realizes the pattern of being incorporated into the power networks, risk operational mode, isolated power grid Pattern, recovery are incorporated into the power networks the cyclic switching of these four operational modes of pattern, because risk operational mode and recovery are incorporated into the power networks The addition of pattern, it is ensured that the steady switching of micro-capacitance sensor, improves the stability of micro-capacitance sensor operation.
Fig. 2 is the structural representation of the micro-capacitance sensor master controller according to the utility model embodiment, as shown in Fig. 2 micro- electricity Net master controller includes:The mode control module that is incorporated into the power networks 210, risk operational mode control module 220, isolated power grid pattern control Molding block 230, recovery are incorporated into the power networks mode control module 240.
Alternatively, micro-capacitance sensor master controller includes risk operational mode control module, risk operational mode control module bag Include at least one of:First control module, for controlling the power flow direction between multiple micro-capacitance sensors;Second control module, uses In control transmission line of electricity and power station load and exert oneself.
Alternatively, the first micro-capacitance sensor and the second micro-capacitance sensor are included in multiple micro-capacitance sensors, the first micro-capacitance sensor is got in touch with main electrical network, In the case that second micro-capacitance sensor and the first micro-capacitance sensor are got in touch with, the first control module includes one below:First control unit, is used for Main electrical network and the second micro-capacitance sensor are controlled respectively to the first micro-capacitance sensor through-put power;Second control unit, for control main electrical network to First micro-capacitance sensor through-put power, the first micro-capacitance sensor is to the second micro-capacitance sensor through-put power;3rd control unit, it is micro- for control first Electrical network is respectively to main electrical network and the second micro-capacitance sensor through-put power;4th control unit, it is micro- to first for controlling the second micro-capacitance sensor Electrical grid transmission power, the first micro-capacitance sensor is to main electrical grid transmission power.
Alternatively, isolated power grid mode control module, goes out for one or more micro-capacitance sensor in multiple micro-capacitance sensors In the case of existing failure, control multiple micro-capacitance sensors and isolated power grid pattern is switched to by risk operational mode.
Alternatively, isolated power grid mode control module includes:3rd control module, for occurring unit event in micro-capacitance sensor In the case that barrier is out of service, the load of the micro-capacitance sensor is accordingly cut off, to maintain power-balance;4th control module, uses In the case of occurring line fault tripping load in micro-capacitance sensor, exerting oneself for the micro-capacitance sensor is accordingly reduced, to maintain work( Rate is balanced.
Alternatively, the mode control module that is incorporated into the power networks is recovered, for what is be all excluded in the failure of multiple micro-capacitance sensors In the case of, control multiple micro-capacitance sensors and switch to recovery by isolated power grid pattern to be incorporated into the power networks pattern.
Alternatively, recovering the mode control module that is incorporated into the power networks includes:5th control module, for reducing multiple micro-capacitance sensors in Voltage difference between each micro-capacitance sensor and main electrical network;6th control module, for adjusting multiple micro-capacitance sensors in each micro-capacitance sensor Frequency so that frequency of the frequency of each micro-capacitance sensor less than main electrical network;7th control module, for adjusting multiple micro-capacitance sensors in it is every The voltage of individual micro-capacitance sensor so that the phase place of the voltage of main electrical network in advance with the phase place of the voltage of each micro-capacitance sensor.
Alternatively, be incorporated into the power networks mode control module, is switched to by the recovery pattern of being incorporated into the power networks for controlling multiple micro-capacitance sensors Be incorporated into the power networks pattern.
Based on above-mentioned micro grid control system, in the present embodiment there is provided a kind of micro-capacitance sensor operational mode controlling party Method, Fig. 3 is the flow chart of the micro-capacitance sensor operational mode control method according to the utility model embodiment, as shown in figure 3, the flow process Comprise the steps:
Step S301, controls multiple micro-capacitance sensors and runs under the pattern of being incorporated into the power networks, and waits micro-capacitance sensor master controller to issue Risk operational mode switching command, wherein, multiple micro-capacitance sensors be according to regional power grid topological structure divide;
Step S302, in the case where risk operational mode switching command is received, controls multiple micro-capacitance sensors by grid-connected fortune Row mode switchs to risk operational mode;
Wherein, under risk operational mode, multiple micro-capacitance sensors perform risk operation control strategy and carry out isolated power grid to be sentenced According to thinking that smooth transition is prepared to isolated power grid pattern.Risk operational mode be before the exceedingly odious weather such as typhoon arrives, A kind of contingency mode entered in advance to prevent strong wind and heavy rain from causing power failure.Under risk operational mode, micro-capacitance sensor master controller (equivalent to micro-capacitance sensor dispatching supplementary decision system) monitors the running status of each bar transmission line of electricity, monitors the load water in each power station Gentle level of exerting oneself, operation isolated network criterion and relevant stable control strategy, input tripping operation output clamping is smooth transition to isolated network Running status is prepared.
Before extreme weather is arrived, according to weather warning information and Risk-warning rank, dispatcher's input function of ordering goes out Mouth pressing plate, and operational mode is set to into " risk operational mode " in micro-capacitance sensor master controller, system is gone to into Risk mode Lower operation.In fully analysis and when investigating electrical network in typhoon early warning water power exert oneself with the basis of part throttle characteristics, with theoretical structure The application functions such as optimal dispatch under Risk mode, safety on line early warning are built, micro-capacitance sensor master controller will be carried for operations staff For operation reserve and suggestion, control section circuit and plant stand load and exert oneself, to ensure power grid operation and in interconnection Isolated power grid pattern is steadily entered after tripping operation.
By above-mentioned steps, by micro-capacitance sensor from being incorporated into the power networks pattern switching to before isolated power grid pattern, by risk Operational mode carries out transition, thinks that smooth transition is prepared to isolated power grid pattern, so as to solve correlation technique in micro-capacitance sensor The problem of the switching of operational mode can not be smoothly carried out, the steady switching of micro-capacitance sensor operational mode is realized.
Alternatively, risk operation control strategy includes but is not limited at least one of:Control between multiple micro-capacitance sensors Power flow direction;Control the load of transmission line of electricity and power station and exert oneself.
Alternatively, multiple micro-capacitance sensors include the first micro-capacitance sensor and the second micro-capacitance sensor, and the first micro-capacitance sensor is got in touch with main electrical network, the Two micro-capacitance sensors and the first micro-capacitance sensor are got in touch with;The power flow direction controlled between multiple micro-capacitance sensors includes one below:1st, main electricity is controlled Net and the second micro-capacitance sensor are respectively to the first micro-capacitance sensor through-put power;2nd, main electrical network is controlled to the first micro-capacitance sensor through-put power, first Micro-capacitance sensor is to the second micro-capacitance sensor through-put power;3rd, the first micro-capacitance sensor is controlled respectively to main electrical network and the second micro-capacitance sensor through-put power; 4th, the second micro-capacitance sensor is controlled to the first micro-capacitance sensor through-put power, the first micro-capacitance sensor is to main electrical grid transmission power.
Four kinds of power flow direction modes are illustrated in the utility model embodiment, in a particular application, can be micro- according to each The load of electrical network and exert oneself situation decision-making and select one of which power flow direction.
Alternatively, after controlling multiple micro-capacitance sensors and being switched to risk operational mode by the pattern of being incorporated into the power networks, in multiple micro- electricity In the case that one or more micro-capacitance sensor in net breaks down, control multiple micro-capacitance sensors and isolated network is switched to by risk operational mode Operational mode.For example, under Risk mode, micro-capacitance sensor master controller monitors the running status of the interconnection between each micro-capacitance sensor, After isolated network criterion is met, automatically electrical network is resolved into into two little micro-capacitance sensors, that is, proceed to isolated power grid pattern.
Alternatively, isolated power grid pattern is included but is not limited to:Occurs unit failure situation out of service in micro-capacitance sensor Under, the load of the micro-capacitance sensor is accordingly cut off, to maintain power-balance;Occurs line fault tripping load in micro-capacitance sensor In the case of, exerting oneself for the micro-capacitance sensor is accordingly reduced, to maintain power-balance.
Under isolated power grid pattern, micro-capacitance sensor master controller is coordinated small power station and is gone out by running isolated network Stable Control Strategy Power and micro-grid load, cut-out load realizes source lotus balance, it is ensured that the stable operation of micro-capacitance sensor and electrical network important load are not Stop not black.
Under isolated power grid pattern, grid structure and load level differ widely with normal mode, and system impedance and short circuit are electric Stream has bigger difference with normal mode.The relay protective plan during isolated power grid that the utility model is provided, micro-capacitance sensor master control Device processed is not required to make any modification to original protective relaying device, by micro-capacitance sensor master controller after isolated power grid pattern is proceeded to New relay protective plan is performed, the circuit for isolated power grid provides relay protection function.
Alternatively, after controlling multiple micro-capacitance sensors and being switched to isolated power grid pattern by risk operational mode, in multiple micro- electricity In the case that the failure of net has all been excluded, control multiple micro-capacitance sensors and switch to recovery by isolated power grid pattern to be incorporated into the power networks mould Formula.Isolated power grid reliability and stability after major network interconnector failture evacuation, should as early as possible arrange operation not as being incorporated into the power networks In county town isolated network be incorporated to major network.
Alternatively, recover the pattern of being incorporated into the power networks to include but is not limited to:
1st, the voltage difference in multiple micro-capacitance sensors between each micro-capacitance sensor and main electrical network is reduced.Isolated network is got over the voltage difference of major network Little better, the fluctuation of frequency and power when voltage difference can cause grid-connected causes the unstable of system.
2nd, the frequency of each micro-capacitance sensor in multiple micro-capacitance sensors is adjusted so that frequency of the frequency of each micro-capacitance sensor less than main electrical network Rate.The frequency of isolated network should be slightly less than the frequency of major network because the power of electrical network to flow to frequency from the high major network of frequency low Isolated network, lowers the operating pressure of small power station in isolated network.Because both eventually run in same frequency, the low emergent power of frequency Vacancy, will be filled by frequency is high.
3rd, the voltage of each micro-capacitance sensor in multiple micro-capacitance sensors is adjusted so that the phase place of the voltage of main electrical network is micro- with each in advance The phase place of the voltage of electrical network.The voltage of major network must be ahead of isolated network voltage when grid-connected, because power is from the advanced electricity of phase place Pressure flows to the voltage of delayed phase, reduces vibration during small power station's set grid-connection.
It is the recovered normal operation of rack after extreme weather to recover the pattern of being incorporated into the power networks, and is needed isolated network and master A kind of grid-connected pattern of electrical network.Recover the process of being incorporated into the power networks and be divided into two stages:
1st, dispatcher sends grid-connected instruction by micro-capacitance sensor master controller to the first micro-capacitance sensor controller, first that this is first micro- Electrical network is grid-connected with main electrical network.First micro-capacitance sensor controller performs grid-connected instruction, adjusts excitation system and the speed governing system in corresponding power station System, makes same period point both end voltage and frequency reach same period requirement, and by itself synchronization function asynchronous switch-on is carried out;
2nd, after the first micro-capacitance sensor and the grid-connected success of main electrical network, dispatcher is by micro-capacitance sensor master controller to the second micro-capacitance sensor control Device processed sends grid-connected instruction, and the second micro-capacitance sensor controller performs grid-connected instruction, adjusts excitation system and the speed governing system in corresponding power station System, makes the second micro-capacitance sensor both end voltage and frequency reach same period requirement, and by itself synchronization function asynchronous switch-on is carried out.
Alternatively, it is incorporated into the power networks after pattern controlling multiple micro-capacitance sensors and switched to recovery by isolated power grid pattern, reaches simultaneously After the indices of net are required, then can control multiple micro-capacitance sensors and the pattern of being incorporated into the power networks is switched to by the recovery pattern of being incorporated into the power networks.
So far, realize in the utility model embodiment the pattern of being incorporated into the power networks, risk operational mode, isolated power grid pattern, Recovery is incorporated into the power networks the cyclic switching of these four operational modes of pattern, due to risk operational mode and recovers the pattern that is incorporated into the power networks Add, it is ensured that the steady switching of micro-capacitance sensor, improve the stability of micro-capacitance sensor operation.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned enforcement The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Based on such understanding, the technical solution of the utility model is substantially right in other words The part that prior art contributes can be embodied in the form of software product, and the computer software product is stored in one In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone, Computer, server, or network equipment etc.) perform method described in the utility model each embodiment.
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 (8)

1. a kind of micro grid control system, it is characterised in that include:Micro-capacitance sensor master controller, multiple micro-capacitance sensors;Wherein,
The plurality of micro-capacitance sensor is connected by transmission line of electricity and interconnector;
The micro-capacitance sensor master controller is electrically connected with the micro-capacitance sensor controller of each micro-capacitance sensor in the plurality of micro-capacitance sensor;It is described micro- Power system controller is used to monitor the running status of micro-capacitance sensor and running status is sent to into the micro-capacitance sensor master controller, Yi Jijie The control instruction of the micro-capacitance sensor master controller is received, to control micro-capacitance sensor with the pattern of being incorporated into the power networks, risk operational mode, isolated network fortune Row mode, recovery be incorporated into the power networks one of pattern operational mode operation.
2. system according to claim 1, it is characterised in that the micro-capacitance sensor master controller includes risk operational mode control Molding block, the risk operational mode control module includes at least one of:
First control module, for controlling the power flow direction between the plurality of micro-capacitance sensor;
Second control module, for controlling the load of transmission line of electricity and power station and exerting oneself.
3. system according to claim 2, it is characterised in that include the first micro-capacitance sensor and second in the plurality of micro-capacitance sensor Micro-capacitance sensor, first micro-capacitance sensor is got in touch with main electrical network, in the case that second micro-capacitance sensor is got in touch with first micro-capacitance sensor, First control module includes one below:
First control unit, work(is transmitted for controlling the main electrical network to first micro-capacitance sensor respectively with second micro-capacitance sensor Rate;
Second control unit, for controlling the main electrical network to the first micro-capacitance sensor through-put power, first micro-capacitance sensor to The second micro-capacitance sensor through-put power;
3rd control unit, for controlling first micro-capacitance sensor respectively to the main electrical network and second micro-capacitance sensor transmission work( Rate;
4th control unit, for controlling second micro-capacitance sensor to the first micro-capacitance sensor through-put power, first micro- electricity Net is to the main electrical grid transmission power.
4. system according to any one of claim 1 to 3, it is characterised in that the micro-capacitance sensor master controller also includes:
Isolated power grid mode control module, breaks down for one or more micro-capacitance sensor in the plurality of micro-capacitance sensor In the case of, control the plurality of micro-capacitance sensor and isolated power grid pattern is switched to by risk operational mode.
5. system according to claim 4, it is characterised in that the isolated power grid mode control module includes:
3rd control module, for occur in micro-capacitance sensor unit failure it is out of service in the case of, accordingly cut off this micro- The load of electrical network, to maintain power-balance;
4th control module, for occurring line fault tripping load in micro-capacitance sensor in the case of, accordingly reduce this micro- Electrical network is exerted oneself, maintaining power-balance.
6. system according to claim 4, it is characterised in that the micro-capacitance sensor master controller also includes:
Recover the mode control module that is incorporated into the power networks, in the case of being all excluded in the failure of the plurality of micro-capacitance sensor, Control the plurality of micro-capacitance sensor and switch to recovery by isolated power grid pattern to be incorporated into the power networks pattern.
7. system according to claim 6, it is characterised in that the recovery mode control module that is incorporated into the power networks includes:
5th control module, for reducing the plurality of micro-capacitance sensor in voltage difference between each micro-capacitance sensor and main electrical network;
6th control module, for adjusting the plurality of micro-capacitance sensor in each micro-capacitance sensor frequency so that the frequency of each micro-capacitance sensor Frequency of the rate less than main electrical network;
7th control module, for adjusting the plurality of micro-capacitance sensor in each micro-capacitance sensor voltage so that the voltage of main electrical network Phase place in advance with the phase place of the voltage of each micro-capacitance sensor.
8. system according to claim 6, it is characterised in that the micro-capacitance sensor master controller also includes:
Be incorporated into the power networks mode control module, switchs to be incorporated into the power networks by the recovery pattern of being incorporated into the power networks for controlling the plurality of micro-capacitance sensor Pattern.
CN201621059996.4U 2016-09-18 2016-09-18 Microgrid control system Active CN206135542U (en)

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CN201621059996.4U CN206135542U (en) 2016-09-18 2016-09-18 Microgrid control system

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Application Number Priority Date Filing Date Title
CN201621059996.4U CN206135542U (en) 2016-09-18 2016-09-18 Microgrid control system

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