CN103715752B - A kind of distributed new electric power micro-grid system with piconet structure - Google Patents
A kind of distributed new electric power micro-grid system with piconet structure Download PDFInfo
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Abstract
The invention belongs to new forms of energy technical field of electric power, be specifically related to a kind of distributed new electric power micro-grid system with piconet structure.Its technical scheme is based on host node electric power system, vice-node electric power system, piconet subsystem, form the distributed new electric power micro-grid system with piconet structure, achieve electricity generation system (unit) and load closely to bundle and namely send out i.e. use, institute's electricity is dissolved nearby; By power electronic equipment, carry out the management of power regulation and energy and quality and control and safeguard protection; Generator unit is combined with electric power storage Storage Unit, carries out power balance, overcomes intermittence and the unsteadiness of new forms of energy electric power; Multiple generator unit can from from, reach for fully autonomous, and can interconnect networking, controlled grid-connected and shared, achieve the overall electric power Reasonable Regulation And Control of generating electricity consumption, optimize adjustment and the allotment of multiple electric power, while preferentially utilizing new forms of energy electric power, realize the resource-sharing between controlled grid-connected and subsystem, more effectively dissolve system risk owing to really achieving distributed power generation with power supply, substantially increase reliability and the fail safe of micro-grid system.
Description
Technical field
The invention belongs to new forms of energy technical field of electric power, be specifically related to a kind of distributed new electric power micro-grid system with piconet structure.
Background technology
New forms of energy electric power was subject to the attention of national governments and fostered in recent years, applied more and more extensive.Industry, through years of researches and application practice, unanimously confirms: the New-energy power system such as photoelectricity, wind-powered electricity generation is ripe gradually, is widely known by the people, and forms emerging energy and electricity market gradually; And indicate the technique direction of its generating power supply, namely the new forms of energy such as photoelectricity, wind-powered electricity generation electric power belongs to distribution type renewable energy, spread all over nature, be easy to adopt, but energy density is on the low side, high-power electric generating needs the place be applicable to, and unstable power, belong to batch (-type) electric power source, want these new forms of energy electric power of efficiency utilization, forming distributed micro-capacitance sensor mode is technique direction, and it is specifically present:
1. electricity generation system (unit) and load closely bundle and namely send out i.e. use, and institute's electricity is dissolved nearby;
2., by power electronic equipment, carry out the management of power regulation and energy and quality and control and safeguard protection;
3. generator unit is combined with electric power storage Storage Unit, carries out power balance, overcomes intermittence and the unsteadiness of new forms of energy electric power;
4. many generator units can from from, to reach for fully autonomous, and the networking that can interconnect, controlled grid-connected and shared.
But, the distributed micro-capacitance sensor of new forms of energy in the market, the mode that its prior art and system realize, main manifestations is distributed power generation, concentration supply power, be the microminiaturization of bulk power grid, this mode makes its distributed advantage of powering not give full play to nearby, there is open defect; As: add high-voltage transforming, the investment of conveying electricity and secondary power transformation; Add generating to the consume with electric process; Need regulate and control the overall electric power of generating electricity consumption, add the difficulty of regulation and control difficulty and electric power storage management; And system risk can not be dissolved owing to concentrating.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, make full use of the feature of distributed new electric power, realize high efficiency, the system of high performance-price ratio, the present invention proposes a kind of distributed new electric power micro-grid system with piconet structure, its system comprises: host node electric power system, vice-node electric power system, piconet A, piconet B, transformation device, 0.4KV low-voltage power line, host node system power supply power line, vice-node system feed energizing power line, networking power regulation device, 10KV high voltage transmission line, wind-driven generator, photovoltaic electrification component, batteries, host node load, the grid-connected power line of host node and vice-node wind-driven generator, vice-node photovoltaic electrification component, vice-node batteries, vice-node load, vice-node networking power line composition,
It is characterized in that: host node electric power system is also connected with vice-node electric power system by 0.4KV low-voltage power line, vice-node networking power line through host node system power supply power line access 0.4KV low-voltage power line, host node electric power system is accessed through vice-node system feed energizing power line again by vice-node electric power system, composition micro-capacitance sensor electrical power mains path, and keep electrical path to be in power supply state;
Piconet A and piconet B is connected to 0.4KV low-voltage power line, forms micro-capacitance sensor networked node system;
Host node electric power system connects networking power regulation device by the grid-connected power line of host node and connects transformation device, and accesses 10KV high voltage transmission line by transformation device, form controlled with bulk power grid grid-connected and with other distant place micro-grid electrical path.
A kind of distributed new electric power micro-grid system with piconet structure of the present invention, the configuration feature of its micro-grid system is: the electric power that the electric power of host node electric power system is P1, the electric power of vice-node electric power system is P2, the electric power of node power regulator control system is P31, secondary powers regulator control system is P32, the electric power of three grades of power supply regulator control systems is P33, and following principle is followed in the configuration of its electric power:
P1＞P31＞P32＞P33
And, P1 >=P2, P2 > 0.5P1
0.5P1＞P31；0.5P31＞P32；0.5P32＞P33。
A kind of distributed new electric power micro-grid system with piconet structure, described in it, piconet A comprises: node power regulator control system, node batteries, node electrification component, node Wind turbines, the grid-connected power line of node, node load energizing power line, node electric loading, two stage feeding energizing power line, secondary is powered regulator control system, secondary batteries, secondary electrification component, light breeze motor, secondary loads supply lines, secondary electric loading, three grades of power supply regulator control systems, three grades of photovoltaic modulies, three grades of batteries, three grades of load supplying lines, three grades of feed energizing power lines and three grades of electricity consumption load compositions,
It is characterized in that: node power regulator control system connected node batteries, node electrification component, node Wind turbines, configuration node generating function of supplying power system;
The grid-connected power line of node power regulator control system connected node also accesses 0.4KV low-voltage power line, forms grid-connected networking electrical path;
Node power regulator control system to be powered regulator control system by node load energizing power line connected node electric loading and secondary, configuration node energizing power path;
Secondary regulator control system of powering connects secondary batteries, secondary electrification component, light breeze motor, forms secondary generating function of supplying power system;
Secondary regulator control system of powering connects two stage feeding energizing power line access node power regulation system, forms the remaining electricity of secondary and regulates electrical path;
Secondary powers regulator control system by secondary loads supply lines connection secondary electric loading and three grades of power supply regulator control systems, forms secondary energizing power path;
Three grades of power supply regulator control systems connect three grades of batteries, three grades of photovoltaic modulies, form three grades of generating function of supplying power systems;
Three grades of power supply regulator control systems connect three grades of feed energizing power lines and access secondarys by three grades of feed energizing power lines powers regulator control system, forms more than three grades electricity adjustment electrical path;
Three grades of power supplies regulator control system (3A31) connect three grades by electric loading by three grades of load supplying lines, form three grades of energizing power paths.
A kind of new forms of energy electric power micro-grid system with piconet structure of the present invention, its operation method is:
After micro-grid system is communicated with, host node electric power system is started shooting, when wind-driven generator, photovoltaic electrification component generating or when batteries has an electric power storage, by host node system power supply power line to 0.4KV low-voltage power line and host node load supplying; Host node electric power system wind-driven generator, photovoltaic electrification component or batteries without electricity for and electricity shortage time, connect networking power regulation device and the grid-connected power purchase of transformation device and by energizing power alignment 0.4KV low-voltage power line and host node load supplying through the grid-connected power line of host node;
Vice-node electric power system is started shooting, when vice-node wind-driven generator, the generating of vice-node photovoltaic electrification component or when vice-node batteries has an electric power storage, by the alignment vice-node load of vice-node system feed energizing power and host node power system power supply; Vice-node electric power system vice-node wind-driven generator, vice-node photovoltaic electrification component or vice-node batteries without electricity for and electricity shortage time, connect 0.4KV low-voltage power line power purchase and by the alignment vice-node load of vice-node system feed energizing power and host node power system power supply through vice-node networking power line;
Piconet A and piconet category-B are together, node power regulator control system is when node electrification component, node Wind turbines or node batteries have electricity to supply, power to node load energizing power line, when node electrification component, node Wind turbines or node batteries are without electricity confession and electricity shortage, be communicated with 0.4KV low-voltage power line by the grid-connected power line of node, power purchase is powered to node load energizing power line;
In like manner, secondary powers regulator control system when secondary electrification component, light breeze motor or secondary batteries have electricity to supply, power to secondary loads supply lines, secondary power regulator control system secondary electrification component, light breeze motor or secondary batteries without electricity for and electricity shortage time, powered to secondary loads supply lines by node load energizing power line power purchase;
In like manner, three grades of power supply regulator control systems are when three grades of photovoltaic modulies or three grades of batteries have electricity to supply, power to three grades of load supplying lines, three grades of power supply regulator control systems three grades of photovoltaic modulies or three grades of batteries without electricity for and electricity shortage time, powered to three grades of load supplying lines by secondary loads supply lines power purchase;
Three grades of power supply regulator control systems have electricity for time, and power supply is had a surplus during electricity, be first stored in three grades of batteries, three grades of batteries be filled with still have a surplus electricity time, to be powered regulator control system feed by three grades of feed energizing power alignment secondarys;
In like manner, secondary power regulator control system have electricity for time, and power supply have a surplus electricity time, be first stored in secondary batteries, secondary batteries be filled with still have a surplus electricity time, by secondary for feed electricity power line to node power regulator control system feed;
In like manner, when node power regulator control system has electricity to supply, and power supply is had a surplus during electricity, be stored in node batteries, node batteries be filled with still have a surplus electricity time, be communicated with 0.4KV low-voltage power line controlled feed by node power regulator control system by the grid-connected power line of node;
Host node electric power system wind-driven generator, photovoltaic electrification component have electricity for time, and power supply is had a surplus during electricity, be first stored in batteries, batteries be filled with still have a surplus electricity time, control to be communicated with unicom network power regulation device to 10KV high voltage transmission line feed;
When micro-capacitance sensor normally runs, be connected with vice-node networking power line and vice-node system feed energizing power line by 0.4KV low-voltage power line between host node electric power system and vice-node electric power system, form micro-capacitance sensor power circuit, guarantee that micro-capacitance sensor is in power supply state; Host node electric power system and vice-node electric power system all without electricity can for time, by host node electric power system by unicom network power regulation device and transformation device to 10KV high voltage transmission line power purchase, for micro-capacitance sensor is powered.
By a kind of distributed new electric power micro-grid system with piconet structure that technical scheme of the present invention realizes, decrease high-voltage transforming, the investment of conveying electricity and secondary power transformation; Reduce generating to the consume with electric process; By intelligence and the autonomous regulation and control of each node system, achieve the overall electric power Reasonable Regulation And Control of generating electricity consumption, optimize adjustment and the allotment of multiple electric power, the resource-sharing between controlled grid-connected and subsystem is realized while preferentially utilizing new forms of energy electric power, more effectively dissolve system risk owing to really achieving distributed power generation with power supply, substantially increase reliability and the fail safe of micro-grid system.
Accompanying drawing explanation
Fig. 1 is the distributed micro-capacitance sensor schematic block diagram of prior art;
Fig. 2 is a kind of distributed new electric power micro-grid system schematic block diagram with piconet structure;
Fig. 3 is the schematic block diagram of piconet subsystem structure.
Embodiment
As examples of implementation, by reference to the accompanying drawings a kind of distributed new electric power micro-grid system with piconet structure is described, but technology of the present invention and scheme are not limited to the content that the present embodiment provides.
Fig. 1 illustrates the distributed micro-capacitance sensor schematic block diagram of prior art, as shown in Figure 1, the system construction that realizes of prior art and system and mode obviously, main manifestations is distributed power generation, concentration supply power, be the microminiaturization of bulk power grid, this mode makes its distributed power generation and the advantage of powering not give full play to nearby; As figure shows: the distributed micro-capacitance sensor of prior art adds high-voltage transforming, the investment of conveying electricity and secondary power transformation and running, add generating to the consume with electric process.
Figure 2 shows a kind of distributed new electric power micro-grid system schematic block diagram with piconet structure.As shown in Figure 2, a kind of distributed new electric power micro-grid system with piconet structure, its system comprises: host node electric power system (1), vice-node electric power system (2), piconet A (3A), piconet B (3B), transformation device (4), 0.4KV low-voltage power line (5), host node system power supply power line (6), vice-node system feed energizing power line (7), networking power regulation device (8), 10KV high voltage transmission line (9), wind-driven generator (10), photovoltaic electrification component (11), batteries (12), host node load (13), the grid-connected power line of host node (14) and vice-node wind-driven generator (20), vice-node photovoltaic electrification component (21), vice-node batteries (22), vice-node load (23), vice-node networking power line (24) composition,
It is characterized in that: host node electric power system (1) is accessed 0.4KV low-voltage power line (5) through host node system power supply power line (6) and is connected with vice-node electric power system (2) by 0.4KV low-voltage power line (5), vice-node networking power line (24), host node electric power system (1) is accessed through vice-node system feed energizing power line (7) again by vice-node electric power system (2), composition micro-capacitance sensor electrical power mains path, and keep electrical path to be in power supply state;
Piconet A (3A) and piconet B (3B) is connected to 0.4KV low-voltage power line (5), forms micro-capacitance sensor networked node system;
Host node electric power system (1) connects networking power regulation device (8) by the grid-connected power line of host node (14) and connects transformation device (4), and by transformation device (4) access 10KV high voltage transmission line (9), form controlled with bulk power grid grid-connected and with other distant place micro-grid electrical path.
A kind of distributed new electric power micro-grid system with piconet structure of the present invention, the configuration feature of its micro-grid system is: the electric power that the electric power of host node electric power system (1) is P1, the electric power of vice-node electric power system (2) is P2, the electric power of node power regulator control system (3A11) is P31, secondary powers regulator control system (3A21) is P32, the electric power of three grades of power supplies regulator control system (3A31) is P33, and following principle is followed in the configuration of its electric power:
P1＞P31＞P32＞P33
And, P1 >=P2, P2 > 0.5P1
0.5P1＞P31；0.5P31＞P32；0.5P32＞P33。
Fig. 3 gives the schematic block diagram of piconet subsystem structure.As shown in Figure 3, a kind of distributed new electric power micro-grid system with piconet structure of the present invention, described in it, piconet A (3A) comprising: node power regulator control system (3A11), node batteries (3A12), node electrification component (3A13), node Wind turbines (3A14), the grid-connected power line of node (3A15), node load energizing power line (3A16), node is with electric loading (3A1A), two stage feeding energizing power line (3A17), secondary is powered regulator control system (3A21), secondary batteries (3A22), secondary electrification component (3A23), light breeze motor (3A24), secondary loads supply lines (3A26), secondary is with electric loading (3A2A), three grades of power supplies regulator control system (3A31), three grades of photovoltaic modulies (3A33), three grades of batteries (3A32), three grades of load supplying lines (3A36), three grades of feed energizing power lines (3A27) and three grades form by electric loading (3A3A),
It is characterized in that: node power regulator control system (3A11) connected node batteries (3A12), node electrification component (3A13), node Wind turbines (3A14) configuration node generating function of supplying power system;
The grid-connected power line of node power regulator control system (3A11) connected node (3A15) also accesses 0.4KV low-voltage power line (5), forms grid-connected networking electrical path;
Node power regulator control system (3A11) to be powered regulator control system (3A21) by node load energizing power line (3A16) connected node electric loading (3A1A) and secondary, configuration node energizing power path;
Secondary regulator control system (3A21) of powering connects secondary batteries (3A22), secondary electrification component (3A23), light breeze motor (3A24), forms secondary generating function of supplying power system;
Secondary regulator control system (3A21) of powering connects two stage feeding energizing power line (3A17) and access node power regulation system (3A11), forms the remaining electricity of secondary and regulates electrical path;
Secondary power regulator control system (3A21) by secondary loads supply lines (3A26) connect secondary electric loading (3A2A) and three grades power supply regulator control systems (3A31), form secondary energizing power path;
Three grades of power supplies regulator control system (3A31) connect three grades of batteries (3A32), three grades of photovoltaic modulies (3A33), form three grades of generating function of supplying power systems;
Three grades of power supplies regulator control system (3A31) connect three grades of feed energizing power lines (3A27) and access secondary by three grades of feed energizing power lines (3A27) to be powered regulator control system (3A21), forms more than three grades electricity adjustment electrical path;
Three grades of power supplies regulator control system (3A31) connect three grades with electric loading (3A3A) by three grades of load supplying lines (3A36), form three grades of energizing power paths.
A kind of distributed new electric power micro-grid system with piconet structure of the present invention, its operation method is:
After micro-grid system is communicated with, host node electric power system (1) is started shooting, when wind-driven generator (10), photovoltaic electrification component (11) generating or when batteries (12) has an electric power storage, by host node system power supply power line (6) to 0.4KV low-voltage power line (5) and host node load (13) power supply; Host node electric power system (1) wind-driven generator (10), photovoltaic electrification component (11) or batteries (12) without electricity for and electricity shortage time, through the grid-connected power line of host node (14) connect networking power regulation device (8) and transformation device (4) grid-connected power purchase and by host node system power supply power line (6) to 0.4KV low-voltage power line (5) and host node load (13) power supply;
Vice-node electric power system (2) is started shooting, when vice-node wind-driven generator (20), vice-node photovoltaic electrification component (21) generating or when vice-node batteries (22) has an electric power storage, by vice-node system feed energizing power line (7) to vice-node load (23) and host node electric power system (1) power supply; Vice-node electric power system (2) vice-node wind-driven generator (20), vice-node photovoltaic electrification component (21) or vice-node batteries (22) without electricity for and electricity shortage time, connect 0.4KV low-voltage power line (5) power purchase through vice-node networking power line (24) and powered to vice-node load (23) and host node electric power system (1) by vice-node system feed energizing power line (7);
Piconet A (3A) and piconet B (3B) roughly the same, node power regulator control system (3A11) is at node electrification component (3A13), when node Wind turbines (3A14) or node batteries (3A12) have electricity to supply, power to node load energizing power line (3A16), at node electrification component (3A13), when node Wind turbines (3A14) or node batteries (3A12) are without electricity confession and electricity shortage, 0.4KV low-voltage power line (5) is communicated with by the grid-connected power line of node (3A15), power purchase is powered to node load energizing power line (3A16),
In like manner, secondary powers regulator control system (3A21) when secondary electrification component (3A23), light breeze motor (3A24) or secondary batteries (3A22) have electricity to supply, power to secondary loads supply lines (3A26), secondary power regulator control system (3A21) secondary electrification component (3A23), light breeze motor (3A24) or secondary batteries (3A22) without electricity for and electricity shortage time, to be powered to secondary loads supply lines (3A26) by node load energizing power line (3A16) power purchase;
In like manner, three grades of power supplies regulator control system (3A31) are when three grades of photovoltaic modulies (3A33) or three grades of batteries (3A32) have electricity to supply, to three grades of load supplying line (3A36) power supplies, three grades of power supplies regulator control system (3A31) three grades of photovoltaic modulies (3A33) or three grades of batteries (3A32) without electricity for and electricity shortage time, by secondary loads supply lines (3A26) power purchase and to three grades of load supplying lines (3A36) power supplies;
When three grades of power supplies regulator control system (3A31) have electricity to supply, and power supply is had a surplus during electricity, first be stored in three grades of batteries (3A32), three grades of batteries (3A32) be filled with still have a surplus electricity time, to be powered regulator control system (3A21) feed to secondary by three grades of feed energizing power lines (3A27);
In like manner, secondary power regulator control system (3A21) have electricity for time, and power supply is had a surplus during electricity, first be stored in secondary batteries (3A22), secondary batteries (3A22) be filled with still have a surplus electricity time, by two stage feeding energizing power line (3A17) to node power regulator control system (3A11) feed;
In like manner, when node power regulator control system (3A11) has electricity to supply, and power supply is had a surplus during electricity, be stored in node batteries (3A12), node batteries (3A12) be filled with still have a surplus electricity time, be communicated with 0.4KV low-voltage power line (5) controlled feed by node power regulator control system (3A11) by the grid-connected power line of node (3A15);
When host node electric power system (1) has electricity to supply at wind-driven generator (10), photovoltaic electrification component (11), and power supply is had a surplus during electricity, first be stored in batteries (12), batteries (12) be filled with still have a surplus electricity time, control be communicated with unicom network power regulation device (8) to 10KV high voltage transmission line (9) feed;
When micro-capacitance sensor normally runs, be connected with vice-node networking power line (24) and vice-node system feed energizing power line (7) by 0.4KV low-voltage power line (5) between host node electric power system (1) and vice-node electric power system (2), form micro-capacitance sensor power circuit, guarantee that micro-capacitance sensor is in power supply state; When host node electric power system (1) and vice-node electric power system (2) all can supply without electricity, by host node electric power system (1) by unicom network power regulation device (8) and transformation device (4) to 10KV high voltage transmission line (9) power purchase, for micro-capacitance sensor is powered.
As mentioned above, a kind of distributed new electric power micro-grid system with piconet structure of the present invention, its technical scheme is based on host node electric power system, vice-node electric power system, piconet subsystem, form the distributed new electric power micro-grid system with piconet structure, achieve electricity generation system (unit) and load closely to bundle and namely send out i.e. use, institute's electricity is dissolved nearby; By power electronic equipment, carry out the management of power regulation and energy and quality and control and safeguard protection; Generator unit is combined with electric power storage Storage Unit, carries out power balance, overcomes intermittence and the unsteadiness of new forms of energy electric power; Multiple generator unit can from from, reach for fully autonomous, and can interconnect networking, controlled grid-connected and shared, achieve the overall electric power Reasonable Regulation And Control of generating electricity consumption, optimize adjustment and the allotment of multiple electric power, while preferentially utilizing new forms of energy electric power, realize the resource-sharing between controlled grid-connected and subsystem, more effectively dissolve system risk owing to really achieving distributed power generation with power supply, substantially increase reliability and the fail safe of micro-grid system.
Claims (4)
1. one kind has the distributed new electric power micro-grid system of piconet structure, its system comprises: host node electric power system (1), vice-node electric power system (2), piconet A (3A), piconet B (3B), transformation device (4), 0.4KV low-voltage power line (5), host node system power supply power line (6), vice-node system feed energizing power line (7), networking power regulation device (8), 10KV high voltage transmission line (9), wind-driven generator (10), photovoltaic electrification component (11), batteries (12), host node load (13), the grid-connected power line of host node (14) and vice-node wind-driven generator (20), vice-node photovoltaic electrification component (21), vice-node batteries (22), vice-node load (23), vice-node networking power line (24) composition,
It is characterized in that: host node electric power system (1) is accessed 0.4KV low-voltage power line (5) through host node system power supply power line (6) and is connected with vice-node electric power system (2) by 0.4KV low-voltage power line (5), vice-node networking power line (24), host node electric power system (1) is accessed through vice-node system feed energizing power line (7) again by vice-node electric power system (2), composition micro-capacitance sensor electrical power mains path, and keep electrical path to be in power supply state;
Piconet A (3A) and piconet B (3B) is connected to 0.4KV low-voltage power line (5), forms micro-capacitance sensor networked node system;
Host node electric power system (1) connects networking power regulation device (8) by the grid-connected power line of host node (14) and connects transformation device (4), and by transformation device (4) access 10KV high voltage transmission line (9), form controlled with bulk power grid grid-connected and with other distant place micro-grid electrical path.
2. one kind has the distributed new electric power micro-grid system of piconet structure, the configuration feature of its micro-grid system is: the electric power that the electric power of host node electric power system (1) is P1, the electric power of vice-node electric power system (2) is P2, the electric power of node power regulator control system (3A11) is P31, secondary powers regulator control system (3A21) is P32, the electric power of three grades of power supplies regulator control system (3A31) is P33, and following principle is followed in the configuration of its electric power:
P1＞P31＞P32＞P33
And, P1 >=P2, P2 > 0.5P1
0.5P1＞P31；0.5P31＞P32；0.5P32＞P33。
3. one kind has the distributed new electric power micro-grid system of piconet structure, described in it, piconet A (3A) comprising: node power regulator control system (3A11), node batteries (3A12), node electrification component (3A13), node Wind turbines (3A14), the grid-connected power line of node (3A15), node load energizing power line (3A16), node is with electric loading (3A1A), two stage feeding energizing power line (3A17), secondary is powered regulator control system (3A21), secondary batteries (3A22), secondary electrification component (3A23), light breeze motor (3A24), secondary loads supply lines (3A26), secondary is with electric loading (3A2A), three grades of power supplies regulator control system (3A31), three grades of photovoltaic modulies (3A33), three grades of batteries (3A32), three grades of load supplying lines (3A36), three grades of feed energizing power lines (3A27) and three grades form by electric loading (3A3A),
It is characterized in that: node power regulator control system (3A11) connected node batteries (3A12), node electrification component (3A13), node Wind turbines (3A14), configuration node generating function of supplying power system;
The grid-connected power line of node power regulator control system (3A11) connected node (3A15) also accesses 0.4KV low-voltage power line (5), forms grid-connected networking electrical path;
Node power regulator control system (3A11) to be powered regulator control system (3A21) by node load energizing power line (3A16) connected node electric loading (3A1A) and secondary, configuration node energizing power path;
Secondary regulator control system (3A21) of powering connects secondary batteries (3A22), secondary electrification component (3A23), light breeze motor (3A24), forms secondary generating function of supplying power system;
Secondary regulator control system (3A21) of powering connects two stage feeding energizing power line (3A17) and access node power regulation system (3A11), forms the remaining electricity of secondary and regulates electrical path;
Secondary power regulator control system (3A21) by secondary loads supply lines (3A26) connect secondary electric loading (3A2A) and three grades power supply regulator control systems (3A31), form secondary energizing power path;
Three grades of power supplies regulator control system (3A31) connect three grades of batteries (3A32), three grades of photovoltaic modulies (3A33), form three grades of generating function of supplying power systems;
Three grades of power supplies regulator control system (3A31) connect three grades of feed energizing power lines (3A27) and access secondary by three grades of feed energizing power lines (3A27) to be powered regulator control system (3A21), forms more than three grades electricity adjustment electrical path;
Three grades of power supplies regulator control system (3A31) connect three grades with electric loading (3A3A) by three grades of load supplying lines (3A36), form three grades of energizing power paths.
4. have a distributed new electric power micro-grid system for piconet structure, its operation method is:
After micro-grid system is communicated with, host node electric power system (1) is started shooting, when wind-driven generator (10), photovoltaic electrification component (11) generating or when batteries (12) has an electric power storage, by host node system power supply power line (6) to 0.4KV low-voltage power line (5) and host node load (13) power supply; Host node electric power system (1) wind-driven generator (10), photovoltaic electrification component (11) or batteries (12) without electricity for and electricity shortage time, through the grid-connected power line of host node (14) connect networking power regulation device (8) and transformation device (4) grid-connected power purchase and by host node system power supply power line (6) to 0.4KV low-voltage power line (5) and host node load (13) power supply;
Vice-node electric power system (2) is started shooting, when vice-node wind-driven generator (20), vice-node photovoltaic electrification component (21) generating or when vice-node batteries (22) has an electric power storage, by vice-node system feed energizing power line (7) to vice-node load (23) and host node electric power system (1) power supply; Vice-node electric power system (2) vice-node wind-driven generator (20), vice-node photovoltaic electrification component (21) or vice-node batteries (22) without electricity for and electricity shortage time, connect 0.4KV low-voltage power line (5) power purchase through vice-node networking power line (24) and powered to vice-node load (23) and host node electric power system (1) by vice-node system feed energizing power line (7);
Piconet A (3A) and piconet B (3B) roughly the same, node power regulator control system (3A11) is at node electrification component (3A13), when node Wind turbines (3A14) or node batteries (3A12) have electricity to supply, power to node load energizing power line (3A16), at node electrification component (3A13), when node Wind turbines (3A14) or node batteries (3A12) are without electricity confession and electricity shortage, 0.4KV low-voltage power line (5) is communicated with by the grid-connected power line of node (3A15), power purchase is powered to node load energizing power line (3A16),
In like manner, secondary powers regulator control system (3A21) when secondary electrification component (3A23), light breeze motor (3A24) or secondary batteries (3A22) have electricity to supply, power to secondary loads supply lines (3A26), secondary power regulator control system (3A21) secondary electrification component (3A23), light breeze motor (3A24) or secondary batteries (3A22) without electricity for and electricity shortage time, to be powered to secondary loads supply lines (3A26) by node load energizing power line (3A16) power purchase;
In like manner, three grades of power supplies regulator control system (3A31) are when three grades of photovoltaic modulies (3A33) or three grades of batteries (3A32) have electricity to supply, to three grades of load supplying line (3A36) power supplies, three grades of power supplies regulator control system (3A31) three grades of photovoltaic modulies (3A33) or three grades of batteries (3A32) without electricity for and electricity shortage time, by secondary loads supply lines (3A26) power purchase and to three grades of load supplying lines (3A36) power supplies;
When three grades of power supplies regulator control system (3A31) have electricity to supply, and power supply is had a surplus during electricity, first be stored in three grades of batteries (3A32), three grades of batteries (3A32) be filled with still have a surplus electricity time, to be powered regulator control system (3A21) feed to secondary by three grades of feed energizing power lines (3A27);
In like manner, secondary power regulator control system (3A21) have electricity for time, and power supply is had a surplus during electricity, first be stored in secondary batteries (3A22), secondary batteries (3A22) be filled with still have a surplus electricity time, by two stage feeding energizing power line (3A17) to node power regulator control system (3A11) feed;
In like manner, when node power regulator control system (3A11) has electricity to supply, and power supply is had a surplus during electricity, be stored in node batteries (3A12), node batteries (3A12) be filled with still have a surplus electricity time, be communicated with 0.4KV low-voltage power line (5) controlled feed by node power regulator control system (3A11) by the grid-connected power line of node (3A15);
When host node electric power system (1) has electricity to supply at wind-driven generator (10), photovoltaic electrification component (11), and power supply is had a surplus during electricity, first be stored in batteries (12), batteries (12) be filled with still have a surplus electricity time, control be communicated with unicom network power regulation device (8) to 10KV high voltage transmission line (9) feed;
When micro-capacitance sensor normally runs, be connected with vice-node networking power line (24) and vice-node system feed energizing power line (7) by 0.4KV low-voltage power line (5) between host node electric power system (1) and vice-node electric power system (2), form micro-capacitance sensor power circuit, guarantee that micro-capacitance sensor is in power supply state; When host node electric power system (1) and vice-node electric power system (2) all can supply without electricity, by host node electric power system (1) by unicom network power regulation device (8) and transformation device (4) to 10KV high voltage transmission line (9) power purchase, for micro-capacitance sensor is powered.
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| CN102361328A (en) * | 2011-10-25 | 2012-02-22 | 中国科学技术大学 | Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power |
| CN102664415A (en) * | 2012-04-27 | 2012-09-12 | 湖北省电力公司电力试验研究院 | Classified microgrid networking system based on terminal users |
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| CN102361328A (en) * | 2011-10-25 | 2012-02-22 | 中国科学技术大学 | Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power |
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