CN207069598U - More operational mode micro-grid systems - Google Patents
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- CN207069598U CN207069598U CN201621407997.3U CN201621407997U CN207069598U CN 207069598 U CN207069598 U CN 207069598U CN 201621407997 U CN201621407997 U CN 201621407997U CN 207069598 U CN207069598 U CN 207069598U
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Abstract
The utility model provides a kind of more operational mode micro-grid systems.More operational mode micro-grid systems include:Micro-capacitance sensor master controller, multiple micro-capacitance sensors;Multiple micro-capacitance sensors are connected by transmission line of electricity with interconnector;Micro-capacitance sensor master controller electrically connects with the micro-capacitance sensor controller of each micro-capacitance sensor in multiple micro-capacitance sensors;Micro-capacitance sensor controller is used to monitor the running status of micro-capacitance sensor and running status is sent into micro-capacitance sensor master controller, and receive micro-capacitance sensor master controller control instruction, with control micro-capacitance sensor with the pattern of being incorporated into the power networks, risk operational mode, isolated power grid pattern, recover be incorporated into the power networks one of pattern operational mode run.By the utility model, solve the problems, such as that micro-capacitance sensor can not smoothly carry out the switching of operational mode in correlation technique, realize the steady switching of micro-capacitance sensor operational mode.
Description
Technical field
Electric power network technique field is the utility model is related to, in particular to a kind of more operational mode micro-grid systems.
Background technology
With the development of the 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 it flexibly, efficiently, economic, environmental protection and the advantages such as the energy is various turn into 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 help to solve
The various problems that bulk power grid runs into, it is the important component of power distribution network in following intelligent grid.
The operation control of micro-capacitance sensor must have the ability steadily switched under grid-connected and isolated power grid pattern, existing micro-
Operation of power networks, mostly it is the direct switching of both of which, switchover policy is single, fluctuation of service.In order to realize the two of micro-capacitance sensor
Steady switching between the typical operational mode of kind is, it is necessary to which one kind can rationally switch steadily under the more operational mode environment of micro-capacitance sensor
The operation reserve of transition, so as to improve the power supply reliability of micro-capacitance sensor, make the low-carbon environment-friendly energy and realize sustainable development.
Utility model content
The utility model provides a kind of more operational mode micro-grid systems, at least to solve in correlation technique micro-capacitance sensor not
The problem of switching of operational mode can smoothly be carried out.
According to one side of the present utility model, there is provided a kind of more operational mode micro-grid systems, including:Micro-capacitance sensor is total
Controller, multiple micro-capacitance sensors;Wherein, the multiple micro-capacitance sensor is connected by transmission line of electricity with interconnector;The micro-capacitance sensor is total
Controller electrically connects with the micro-capacitance sensor controller of each micro-capacitance sensor in the multiple micro-capacitance sensor;The micro-capacitance sensor controller includes using
The first power switch in control low priority bearing power and the second power switch for controlling high priority bearing power;
Between electric power system and low priority load in micro-capacitance sensor where first power switch is connected to, second work(
Between electric power system and high priority load in micro-capacitance sensor where rate switch is connected to;The micro-capacitance sensor controller is used for
Monitor that running status is simultaneously sent to the micro-capacitance sensor master controller by the running status of micro-capacitance sensor, and to receive the micro-capacitance sensor total
The control instruction of controller, with control micro-capacitance sensor with the pattern of being incorporated into the power networks, risk operational mode, isolated power grid pattern, recover simultaneously
The operational mode operation of one of network operation 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 multiple micro-capacitance sensor;Second
Control module, for controlling the load and output of transmission line of electricity and power station.
Alternatively, the first micro-capacitance sensor and the second micro-capacitance sensor, first micro-capacitance sensor and master are included in the multiple micro-capacitance sensor
Power 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, for controlling the main power network to be transmitted respectively to first micro-capacitance sensor with second micro-capacitance sensor
Power;Second control unit, for controlling the main power network to the first micro-capacitance sensor transimission power, first micro-capacitance sensor to
The second micro-capacitance sensor transimission power;3rd control unit, for control first micro-capacitance sensor respectively to the main power network and
The second micro-capacitance sensor transimission power;4th control unit, for controlling second micro-capacitance sensor to be passed 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 multiple micro-
In the case that one or more micro-capacitance sensor in power network breaks down, the multiple micro-capacitance sensor is controlled to be 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, in the case of occurring line fault tripping load in micro-capacitance sensor, the output of the micro-capacitance sensor is accordingly reduced, with dimension
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 more
In the case that the failure of individual micro-capacitance sensor has all been excluded, the multiple micro-capacitance sensor is controlled to switch 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 multiple for reducing
Each voltage difference between micro-capacitance sensor and main power network in micro-capacitance sensor;6th control module, for adjusting in the multiple micro-capacitance sensor
The frequency of each micro-capacitance sensor so that the frequency of each micro-capacitance sensor is less than the frequency of main power network;7th control module, for adjusting
State the voltage of each micro-capacitance sensor in multiple micro-capacitance sensors so that the phase of the voltage of main power network in advance with the voltage of each micro-capacitance sensor
Phase.
Alternatively, the micro-capacitance sensor master controller also includes:Be incorporated into the power networks mode control module, the multiple for controlling
Micro-capacitance sensor switchs to the pattern of being incorporated into the power networks by recovering the pattern of being incorporated into the power networks.
By the utility model, more operational mode micro-grid systems of use, including:Micro-capacitance sensor master controller, Duo Gewei
Power network;Wherein, multiple micro-capacitance sensors are connected by transmission line of electricity with interconnector;It is every in micro-capacitance sensor master controller and multiple micro-capacitance sensors
The micro-capacitance sensor controller electrical connection of individual micro-capacitance sensor;Micro-capacitance sensor controller includes being used for the first work(for controlling low priority bearing power
Rate switch and the second power switch for controlling high priority bearing power;In micro-capacitance sensor where first power switch is connected to
Electric power system and low priority load between, electric power system in micro-capacitance sensor and height are preferential where the second power switch is connected to
Between level load;Micro-capacitance sensor controller is used to monitor the running status of micro-capacitance sensor and running status is sent into micro-capacitance sensor master control
Device, and receive micro-capacitance sensor master controller 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 one of pattern operational mode operation.Solving micro-capacitance sensor in correlation technique can not put down
The problem of quietly carrying out the switching of operational mode, realizes the steady switching of micro-capacitance sensor operational mode.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the structural representation according to more operational mode micro-grid systems of the utility model embodiment;
Fig. 2 is the structural representation according to the micro-capacitance sensor master controller of the utility model embodiment;
Fig. 3 is the flow chart according to the micro-capacitance sensor operational mode control method of 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 do not rushing
In the case of prominent, the feature in embodiment and embodiment in the application can be mutually combined.
A kind of more operational mode micro-grid systems are provided in the present embodiment, and Fig. 1 is according to the utility model embodiment
More operational mode micro-grid systems structural representation, as shown in figure 1, the system includes:It is micro-capacitance sensor master controller 1, multiple
Micro-capacitance sensor 2;Wherein, multiple micro-capacitance sensors 2 are connected by transmission line of electricity 21 and interconnector 22;Micro-capacitance sensor master controller 1 with it is multiple
The micro-capacitance sensor controller 23 of each micro-capacitance sensor 2 electrically connects in micro-capacitance sensor 2;Micro-capacitance sensor controller 23 includes being used to control low priority
Load the first power switch 231 of 31 power and for controlling high priority to load the second power switch 232 of 32 power;First
Between electric power system 4 and low priority load 31 in micro-capacitance sensor where power switch 231 is connected to, the second power switch 232
Between electric power system 4 and high priority load 32 in micro-capacitance sensor where being connected to;Micro-capacitance sensor controller 23 is used to monitor micro- electricity
Running status is simultaneously sent to micro-capacitance sensor master controller 1 by the running status of net 2, and receives the control of micro-capacitance sensor master controller 1
Instruction, with control micro-capacitance sensor 2 with the pattern of being incorporated into the power networks, risk operational mode, isolated power grid pattern, recover be incorporated into the power networks pattern it
One 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 switchings of these four operational modes of pattern, because risk operational mode and recovery are incorporated into the power networks
The addition of pattern, the steady switching of micro-capacitance sensor is ensure that, improve the stability of micro-capacitance sensor operation.
Fig. 2 is according to the structural representation of the micro-capacitance sensor master controller of 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, recover the mode control module 240 that is incorporated into the power networks.
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, use
Load and output in control transmission line of electricity and power station.
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 power 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
Control main power network and the second micro-capacitance sensor respectively to the first micro-capacitance sensor transimission power;Second control unit, for control main power network to
First micro-capacitance sensor transimission power, the first micro-capacitance sensor is to the second micro-capacitance sensor transimission power;3rd control unit, it is micro- for control first
Power network is respectively to main power network and the second micro-capacitance sensor transimission power;4th control unit, for controlling the second micro-capacitance sensor micro- to first
Electrical grid transmission power, the first micro-capacitance sensor is to main electrical grid transmission power.
Alternatively, isolated power grid mode control module, go out for one or more micro-capacitance sensor in multiple micro-capacitance sensors
In the case of existing failure, multiple micro-capacitance sensors are controlled to switch to isolated power grid pattern by risk operational mode.
Alternatively, isolated power grid mode control module includes:3rd control module, for occurring unit event in micro-capacitance sensor
Hinder it is out of service in the case of, the load of the micro-capacitance sensor is accordingly cut off, to maintain power-balance;4th control module, use
In the case of occurring line fault tripping load in micro-capacitance sensor, the output of the micro-capacitance sensor is accordingly reduced, to maintain work(
Rate balances.
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 to switch to recovery by isolated power grid pattern and 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 in multiple micro-capacitance sensors
Each voltage difference between micro-capacitance sensor and main power network;6th control module, for adjusting each micro-capacitance sensor in multiple micro-capacitance sensors
Frequency so that the frequency of each micro-capacitance sensor is less than the frequency of main power network;7th control module, it is every in multiple micro-capacitance sensors for adjusting
The voltage of individual micro-capacitance sensor so that the phase of the voltage of the main power network phase with the voltage of each micro-capacitance sensor in advance.
Alternatively, be incorporated into the power networks mode control module, for controlling multiple micro-capacitance sensors to be switched to by recovering the pattern of being incorporated into the power networks
Be incorporated into the power networks pattern.
Based on above-mentioned more operational mode micro-grid systems, a kind of micro-capacitance sensor operational mode control is provided in the present embodiment
Method processed, Fig. 3 are according to the flow chart of the micro-capacitance sensor operational mode control method of the utility model embodiment, as shown in figure 3, should
Flow comprises the following steps:
Step S301, control multiple micro-capacitance sensors to be run under the pattern of being incorporated into the power networks, and wait 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 division form;
Step S302, in the case where receiving risk operational mode switching command, multiple micro-capacitance sensors are controlled by grid-connected fortune
Row mode switchs to risk operational mode;
Wherein, under risk operational mode, multiple micro-capacitance sensors, which 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,
For a kind of contingency mode for preventing strong wind and heavy rain from causing to have a power failure and entering in advance.Under risk operational mode, micro-capacitance sensor master controller
The running status of each bar transmission line of electricity of (equivalent to micro-capacitance sensor dispatching supplementary decision system) monitoring, the load water in each power station of monitoring
Gentle output is horizontal, runs isolated network criterion and relevant stable control strategy, input tripping operation output clamping, for smooth transition to isolated network
Running status is prepared.
Before extreme weather arriving, according to weather warning information and Risk-warning rank, dispatcher's input function of ordering goes out
Mouth pressing plate, and operational mode is arranged to " risk operational mode " in micro-capacitance sensor master controller, system is gone into Risk mode
Lower operation.When abundant analysis and investigation power network are in typhoon early warning water power contribute 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 carry for operations staff
For operation reserve and suggestion, control section circuit and plant stand load and output, to ensure power grid operation and in interconnection
Steadily enter isolated power grid pattern after tripping operation.
By above-mentioned steps, micro-capacitance sensor from the pattern switching that is incorporated into the power networks to before isolated power grid pattern, is being passed through into risk
Operational mode carries out transition, thinks that smooth transition is prepared to isolated power grid pattern, so as to solve micro-capacitance sensor in correlation technique
The problem of switching of operational mode can not smoothly be carried out, realize the steady switching of micro-capacitance sensor operational mode.
Alternatively, risk operation control strategy includes but is not limited at least one of:Control between multiple micro-capacitance sensors
Power flow direction;Control transmission line of electricity and the load and output in power station.
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 power network, the
Two micro-capacitance sensors and the first micro-capacitance sensor are got in touch with;The power flow direction between multiple micro-capacitance sensors is controlled to include one below:1st, main electricity is controlled
Net and the second micro-capacitance sensor are respectively to the first micro-capacitance sensor transimission power;2nd, main power network is controlled to the first micro-capacitance sensor transimission power, first
Micro-capacitance sensor is to the second micro-capacitance sensor transimission power;3rd, the first micro-capacitance sensor is controlled respectively to main power network and the second micro-capacitance sensor transimission power;
4th, the second micro-capacitance sensor is controlled to the first micro-capacitance sensor transimission power, and 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 according to each micro-
The load of power network and the decision-making of output situation simultaneously select one of which power flow direction.
Alternatively, after controlling multiple micro-capacitance sensors to switch 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, multiple micro-capacitance sensors are controlled to switch to isolated network 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, power network is resolved into two small micro-capacitance sensors automatically, that is, is transferred to isolated power grid pattern.
Alternatively, isolated power grid pattern includes 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, the output of 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 gone out by running isolated network Stable Control Strategy
Power and micro-grid load, cut-out load, realize source lotus balance, ensure micro-capacitance sensor stable operation and power network important load not
Stop not black.
Under isolated power grid pattern, grid structure and load level differ widely with normal mode, system impedance and short circuit electricity
Stream has bigger difference with normal mode.Relay protective plan during isolated power grid provided by the utility model, micro-capacitance sensor master control
Device processed is not required to make any modification to original protective relaying device, passes through micro-capacitance sensor master controller after isolated power grid pattern is transferred to
New relay protective plan is performed, relay protection function is provided for the circuit of isolated power grid.
Alternatively, after controlling multiple micro-capacitance sensors to switch 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, controls multiple micro-capacitance sensors to switch to recovery by isolated power grid pattern and be incorporated into the power networks mould
Formula.Isolated power grid reliability and stability after major network interconnector failture evacuation, should arrange to run as early as possible 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, each voltage difference between micro-capacitance sensor and main power network in multiple micro-capacitance sensors is reduced.Isolated network and the voltage difference of major network are got over
It is small better, the fluctuation of frequency and power when voltage difference can cause grid-connected, cause the unstable of system.
2nd, the frequency of each micro-capacitance sensor in multiple micro-capacitance sensors is adjusted so that the frequency of each micro-capacitance sensor is less than the frequency of main power network
Rate.The frequency of isolated network should be slightly less than the frequency of major network, because to flow to frequency from the high major network of frequency low for the power of power network
Isolated network, lower the operating pressure of small power station in isolated network.Because both eventually run in same frequency, the low emergent power of frequency
Vacancy, it will be filled by frequency is high.
3rd, adjust the voltage of each micro-capacitance sensor in multiple micro-capacitance sensors so that the phase of the voltage of main power network in advance with it is each micro-
The phase of the voltage of power 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
Pressure flows to the voltage of delayed phase, reduces vibration during small power station's set grid-connection.
Recover the pattern of being incorporated into the power networks be after extreme weather, rack recovered normal operation, it is necessary to by isolated network and master
A kind of grid-connected pattern of power 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-
Power network and main power network are grid-connected.First micro-capacitance sensor controller performs grid-connected instruction, adjusts excitation system and the speed governing system in corresponding power station
System, same period point both end voltage and frequency is reached same period requirement, asynchronous switch-on is carried out by itself synchronization function;
2nd, after the first micro-capacitance sensor and the grid-connected success of main power 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, the second micro-capacitance sensor both end voltage and frequency is reached same period requirement, asynchronous switch-on is carried out by itself synchronization function.
Alternatively, it is incorporated into the power networks after pattern, reaches simultaneously controlling multiple micro-capacitance sensors to switch to by isolated power grid pattern recovery
After the indices requirement of net, then multiple micro-capacitance sensors can be controlled to switch to the pattern of being incorporated into the power networks by recovering the pattern of being incorporated into the power networks.
So far, realized in the utility model embodiment the pattern of being incorporated into the power networks, risk operational mode, isolated power grid pattern,
Recover the cyclic switching of these four operational modes of pattern of being incorporated into the power networks, due to risk operational mode and recover the pattern that is incorporated into the power networks
Add, ensure 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 implementation
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 to cause a station terminal equipment (can be mobile phone,
Computer, server, or network equipment etc.) perform each embodiment of the utility model described in method.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (8)
- A kind of 1. more operational mode micro-grid systems, it is characterised in that including:Micro-capacitance sensor master controller, multiple micro-capacitance sensors;Wherein,The multiple micro-capacitance sensor is connected by transmission line of electricity with interconnector;The micro-capacitance sensor master controller electrically connects with the micro-capacitance sensor controller of each micro-capacitance sensor in the multiple micro-capacitance sensor;It is described micro- Power system controller is including for controlling the first power switch of low priority bearing power and for controlling high priority to load work( Second power switch of rate;Electric power system and the low priority in micro-capacitance sensor where first power switch is connected to are born Between load, between the electric power system and high priority load in micro-capacitance sensor where second power switch is connected to;The micro-capacitance sensor controller is used to monitor the running status of micro-capacitance sensor and running status is sent into the micro-capacitance sensor master control Device processed, and the control instruction of the micro-capacitance sensor master controller is received, to control micro-capacitance sensor to be run with the pattern of being incorporated into the power networks, risk Pattern, isolated power grid pattern, recover 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 include at least one of:First control module, for controlling the power flow direction between the multiple micro-capacitance sensor;Second control module, for controlling the load and output of transmission line of electricity and power station.
- 3. system according to claim 2, it is characterised in that include the first micro-capacitance sensor and second in the multiple micro-capacitance sensor Micro-capacitance sensor, first micro-capacitance sensor are got in touch with main power 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, for controlling the main power network to transmit work(to first micro-capacitance sensor respectively with second micro-capacitance sensor Rate;Second control unit, for controlling the main power network to the first micro-capacitance sensor transimission power, first micro-capacitance sensor to The second micro-capacitance sensor transimission power;3rd control unit, for controlling first micro-capacitance sensor to transmit work(to the main power network and second micro-capacitance sensor respectively Rate;4th control unit, for controlling second micro-capacitance sensor to the first micro-capacitance sensor transimission 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, broken down for one or more micro-capacitance sensor in the multiple micro-capacitance sensor In the case of, control the multiple micro-capacitance sensor to switch to isolated power grid pattern 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, it is micro- accordingly to cut off this The load of power network, to maintain power-balance;4th control module, in the case of occurring line fault tripping load in micro-capacitance sensor, it is micro- accordingly to reduce this The output of power network, to maintain 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 multiple micro-capacitance sensor, Control the multiple micro-capacitance sensor to 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 each voltage difference between micro-capacitance sensor and main power network in the multiple micro-capacitance sensor;6th control module, for adjusting the frequency of each micro-capacitance sensor in the multiple micro-capacitance sensor so that the frequency of each micro-capacitance sensor Rate is less than the frequency of main power network;7th control module, for adjusting the voltage of each micro-capacitance sensor in the multiple micro-capacitance sensor so that the voltage of main power network The phase phase with the voltage of each micro-capacitance sensor in advance.
- 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, for controlling the multiple micro-capacitance sensor to switch to be incorporated into the power networks by recovering the pattern of being incorporated into the power networks Pattern.
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CN201621407997.3U CN207069598U (en) | 2016-12-21 | 2016-12-21 | More operational mode micro-grid systems |
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CN201621407997.3U CN207069598U (en) | 2016-12-21 | 2016-12-21 | More operational mode micro-grid systems |
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2016
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