CN105186533A - Integrated power generation system based on ventilation air methane and control method thereof - Google Patents
Integrated power generation system based on ventilation air methane and control method thereof Download PDFInfo
- Publication number
- CN105186533A CN105186533A CN201510600166.1A CN201510600166A CN105186533A CN 105186533 A CN105186533 A CN 105186533A CN 201510600166 A CN201510600166 A CN 201510600166A CN 105186533 A CN105186533 A CN 105186533A
- Authority
- CN
- China
- Prior art keywords
- valve
- air
- assign
- gas
- instruction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Photovoltaic Devices (AREA)
- Ventilation (AREA)
Abstract
The invention belongs to the technical field of remote management and control to methane power generation and discloses an integrated power generation system based on ventilation air methane and a control method thereof. The system comprises an external power grid, a methane power generating set and a photovoltaic generating set. The external power grid, the methane power generating set and the photovoltaic generating set are all connected to a bus and provide power to a load. The external power grid is provided with a power grid connecting power meter. The power grid connecting power meter and the photovoltaic generating set are electrically connected to a central controller. The methane power generating set is connected with a ventilation air channel. The inlet end of the ventilation air channel is connected to a two-pass channel consisting of a first channel and a second channel. Both the inlet ends of the first channel and the second channel are connected to a general inputting channel. The first channel is communicated with a gas ventilation pipe and the gas ventilation pipe is connected to a gas storing apparatus. The power grid connecting power meter acquires power information of power grid connecting points and transmits the power information to the central controller. After the central controller attains the PFt at the time, the central controller makes judgment and controls the operation. The integrated power generation system and the method can integrate power factors, unify and coordinate a ventilation air power generating set and a photovoltaic array.
Description
Technical field
The invention belongs to gas electricity remote management and control technical field, particularly a kind of comprehensive generating system based on ventilation air gas and control method thereof.
Background technology
Gas electricity unit can make full use of ventilation air gas gas, the comprehensive utilization of the energy is achieved again while reducing weary wind gas emissions, reducing environmental pollution, a kind of environmental protection, energy-conservation forms of electricity generation, cleaner production energy development can be actively pushed forward, realize the generating integrated process of coal mining gas production, effectively improve the level of production.
On the other hand, along with socioeconomic fast development, the non-regeneration energy worsening shortages such as fossil energy, solar power generation application is also more and more extensive, becomes general clean reproducible energy forms of electricity generation.Under comprehensive utilization of energy and the day by day strong overall situation of environmental protection demand, gas electricity unit access solar power generation will have wide development and apply prospect.Simultaneously, because photovoltaic generation power output has the reasons such as wave characteristic, gas electricity unit access solar power generation after higher level and site power flow will change, even may there is two-way change, cause and the fluctuation of site power factor, by fine certain for generation during power factor examination value specify lower than grid company.Existing system cannot integral power factor information, unified coordinate ventilation air gas generating set and photovoltaic generation unit, technical advantage and the economic advantages of its entirety cannot be given full play to.
Summary of the invention
The object of this invention is to provide a kind of comprehensive generating system based on ventilation air gas and control method thereof, this system and control method can control power stage flexibly, utilize on maximized basis at ventilation air gas generating set, avoid on the one hand causing because the power factor that is incorporated into the power networks is too low occurring fine, utilize the regenerative resources such as photovoltaic on the other hand according to actual conditions as far as possible, improve efficiency of energy utilization, energy-saving and emission-reduction.
For reaching above object, the present invention is achieved by the following technical solutions.
Scheme one:
Based on the comprehensive generating system of ventilation air gas, it is characterized in that: comprise and be connected to bus respectively and be the external electrical network of load supplying, gas electricity unit and photovoltaic generation unit; Described external electrical network place is provided with for gathering and the grid-connected power meter scale of site power information, and described grid-connected power meter scale is electrically connected with central controller;
Described gas electricity unit is connected with weary wind admission line, the arrival end of described weary wind admission line is connected with binary channel pipeline, described binary channel pipeline is made up of the first pipeline and second pipe, and the arrival end of described first pipeline and second pipe is all connected to total input channel; Described first pipeline is communicated with and stores device of air breather pipe, described in store device of air breather pipe is connected with and store device of air;
Described second pipe is provided with valve A, described valve A is electrically connected to central controller by valve positioner A; Described first pipeline is positioned at the rear and front end correspondence storing device of air breather pipe and is provided with valve C and valve B, and described valve C and valve B correspondence is electrically connected to central controller by valve positioner C and valve positioner B; The air inlet of described total input channel is provided with valve D, and described valve D is electrically connected to central controller by valve positioner D; Described photovoltaic generation unit is electrically connected to central controller;
Described valve A and valve D is normally open valve door, and described valve B and valve C is normal closed gate.
The feature of technique scheme and improvement further:
Further, device of air breather pipe is stored described in the described air inlet storing device of air is connected by reservoir conduit, device of air breather pipe is stored described in the described gas outlet storing device of air is connected by discharge tube, described reservoir conduit is provided with gas storage control system, described discharge tube is provided with gas emission control system, and described gas storage control system and gas emission control system are electrically connected to central controller respectively.
Further, described photovoltaic generation unit is electrically connected to bus by grid-connected switch, and described grid-connected switch is electrically connected with described central controller.
Scheme two:
The comprehensive electric generating control method of the above-mentioned comprehensive generating system based on ventilation air gas, it is characterized in that: the collection of grid-connected power meter scale site power information, and transmit real-time also site power information, when central controller obtains the power factor PF in this moment to central controller
tafter, judge and control operation:
1) as power factor PF
thigher than deadband upper limit value, and weary wind admission line air inflow is lower than minimum set point, then assign the instruction of valve positioner D valve-off D, then whether emptyly judge to store device of air capacity: if it is not empty to store device of air capacity, then assign the instruction that valve positioner B opens valve B completely, then close gas storage control system, and open gas emission control system and carry out methane gas discharge; If store device of air capacity for empty, then judge whether photovoltaic generation unit drops into: if photovoltaic generation unit drops into, then gas electricity unit is standby, then closes gas storage control system and gas emission control system, then assigns the instruction of valve positioner B valve-off B; If photovoltaic generation unit does not drop into, then assign grid-connected switch close command;
2) as power factor PF
thigher than deadband upper limit value, and weary wind admission line air inflow is higher than minimum set point, then judge whether valve D opens completely: if valve D does not open completely, then assign the instruction that valve positioner D opens valve D completely; If valve D opens completely, then assign the instruction of valve positioner B valve-off B, then judge whether valve A current state is full admission amount:
If valve A current state is not full admission amount, then assign the instruction that valve positioner A increases valve A air inflow; If valve A current state is full admission amount, then judge whether photovoltaic generation unit drops into: if photovoltaic generation unit drops into, then maintain current air inflow; If photovoltaic generation unit does not drop into, then assign grid-connected switch close command;
3) as power factor PF
tlower than deadband lower limit value, and weary wind admission line air inflow is lower than minimum set point, then assign the instruction of valve positioner D valve-off D, then judge whether photovoltaic generation unit drops into: if photovoltaic generation unit drops into, then assign grid-connected switch open command; If photovoltaic generation unit does not drop into, then whether emptyly judge to store device of air capacity:
If it is not empty to store device of air capacity, then assign the instruction that valve positioner B opens valve B completely, then close gas storage control system, and open gas emission control system and carry out methane gas discharge; If store device of air capacity for empty, then gas electricity unit is standby, then closes gas storage control system and gas emission control system, then assigns the instruction of valve positioner B valve-off B;
4) as power factor PF
tlower than deadband lower limit value, and weary wind admission line air inflow is higher than minimum set point, then judge whether valve D opens completely: if valve D does not open completely, then assign the instruction that valve positioner D opens valve D completely; If valve D opens completely, then judge whether photovoltaic generation unit drops into: if photovoltaic generation unit drops into, then assign grid-connected switch open command; If photovoltaic generation unit does not drop into, then judge whether valve B opens:
If valve B does not open, then judge whether valve A current state is allow minimum air inflow, if valve A current state allows minimum air inflow, then gas electricity unit is standby; If valve A current state is not allow minimum air inflow, then assign the instruction that valve positioner A reduces valve A air inflow;
If valve B opens, then assign the instruction of valve positioner B valve-off B, assign the instruction that valve positioner C opens valve C completely again, then whether fullly judge to store device of air capacity: if it is full to store device of air capacity, then close gas storage control system and gas emission control system, then assign the instruction of valve positioner C valve-off C; If store device of air capacity less than, then close gas emission control system, and open gas storage control system and carry out methane gas storage.
5) as power factor PF
tlower than deadband upper limit value, and during higher than deadband lower limit value, maintain current air inflow.
The feature of technique scheme and improvement further:
Further, after assigning the instruction of valve positioner A increase valve A air inflow, the air inlet recruitment of regulation valve A is 5% of current air inflow.
Further, after assigning the instruction of valve positioner A minimizing valve A air inflow, the air inlet reduction of regulation valve A is 15% of current air inflow.
Comprehensive generating system based on ventilation air gas of the present invention and control method thereof, central controller is by controlling the switch of grid-connected switch, and then the access controlling photovoltaic generation unit and bus is whether; Central controller by the switch of by-pass valve control A, valve B, valve C and valve D, and then controls the air inflow of weary wind admission line; Air inflow is stablized further by storing device of air.This system and control method thereof can control power stage flexibly, utilize on maximized basis at ventilation air gas generating set, avoid on the one hand causing because the power factor that is incorporated into the power networks is too low occurring fine, utilize the regenerative resources such as photovoltaic on the other hand according to actual conditions as far as possible, improve efficiency of energy utilization, energy-saving and emission-reduction.This system the unification of comprehensive power factor can coordinate weary wind generating set and photovoltaic array, gives full play to technical advantage and the economic advantages of weary wind generating set and photovoltaic array entirety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the comprehensive generating system based on ventilation air gas of the present invention;
Fig. 2 is the workflow schematic diagram of the comprehensive electric generating control method based on ventilation air gas of the present invention;
Fig. 3 is the enlarged diagram of H part in Fig. 2;
Fig. 4 is the enlarged diagram of I part in Fig. 2;
In figure: 1, bus; 2, external electrical network; 3, gas electricity unit; 4, photovoltaic generation unit; 5, load; 6, grid-connected power meter scale; 7, central controller; 8, weary wind admission line; 9, the first pipeline; 10, second pipe; 11, device of air is stored; 12, valve A; 13, valve positioner A; 14, valve B; 15, valve positioner B; 16, valve C; 17, valve positioner C; 18, reservoir conduit; 19, discharge tube; 20, gas storage control system; 21, gas emission control system; 22, grid-connected switch; 23, device of air breather pipe is stored; 24, valve D; 25, valve positioner D; 26, total input channel.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, it is the structural representation of the comprehensive generating system based on ventilation air gas of the present invention; This system comprises and is connected to bus 1 respectively and is external electrical network 2 that load 5 powers, gas electricity unit 3 and photovoltaic generation unit 4 (being the photovoltaic array in figure); External electrical network 2 place is provided with for gathering and the grid-connected power meter scale 6 of site power information, and grid-connected power meter scale 6 is electrically connected with central controller 7.The also site power information that central controller 7 sends for receiving grid-connected power meter scale 6, and regulate and control the access state of gas electricity unit 3 and photovoltaic generation unit 4 and bus 1 according to the also site power information received.
Gas electricity unit 3 is connected with weary wind admission line 8, the arrival end of weary wind admission line 8 is connected with binary channel pipeline, binary channel pipeline is made up of the first pipeline 9 and second pipe 10, and the arrival end of the first pipeline 9 and second pipe 10 is all connected to total input channel 26; First pipeline 9 is communicated with and stores device of air breather pipe 23, store device of air breather pipe 23 is connected with and store device of air 11.Store device of air 11 and can stock methane gas when air feed abundance, in order to during for unsaturated vapor; And at pipeline gas pressure and flow not or there is no the situation of gas flow, store device of air 11 can work and discharge methane gas, make total system can support a period of time to maintain normal operation, for post-treatment operations has striven for the valuable time, the reliability of entire system and fail safe are promoted; Air inflow is stablized further by storing device of air 11.
Second pipe 10 is provided with valve A12, valve A12 is electrically connected to central controller 7 by valve positioner A13; First pipeline 9 is positioned at the rear and front end correspondence storing device of air breather pipe 23 and is provided with valve C16 and valve B14, the air inlet side storing device of air breather pipe 23 is set as front end, the side of giving vent to anger storing device of air breather pipe 23 is set as rear end, and valve C16 and valve B14 correspondence is electrically connected to central controller 7 by valve positioner C17 and valve positioner B15; The air inlet of total input channel 26 is provided with valve D24, and valve D24 is electrically connected to central controller 7 by valve positioner D25; Central controller 7 by the switch of by-pass valve control A12, valve B14, valve C16 and valve D24, and then controls the air inflow of weary wind admission line 8.Valve A12 and valve D24 is normally open valve door, and valve B14 and valve C16 is normal closed gate.
Adopt binary channel pipeline to be gas electricity unit 3 air feed, effectively can increase air demand, realize high power operation and the efficiency utilization of gas electricity unit 3, more reliable in fail safe and air feed stability; Meanwhile, adopt two admission line air feed, and controlled respectively, power control can be realized more subtly in tolerance control; When air supply source is identical, the air inlet of binary channel pipeline is connected to same total input channel 26, suitably can reduces the construction cost under Double channel scheme.And it is convenient and swift by the air inlet of valve D24 control whole system.
Photovoltaic generation unit 4 is electrically connected to central controller 7, and central controller 7 regulates and controls the access state of photovoltaic generation unit 4 and bus 1.
Further, the air inlet storing device of air 11 stores device of air breather pipe 23 by reservoir conduit 18 connection, the gas outlet storing device of air 11 stores device of air breather pipe 23 by discharge tube 19 connection, reservoir conduit 18 is provided with gas storage control system 20, discharge tube 19 is provided with gas emission control system 21, gas storage control system 20 and gas emission control system 21 are electrically connected to central controller 7 respectively.
Further, photovoltaic generation unit 4 is electrically connected to bus 1 by grid-connected switch 22, and grid-connected switch 22 is electrically connected with central controller 7.Central controller 7 is by controlling the switch of grid-connected switch 22, and then the access controlling photovoltaic generation unit 4 and bus 1 whether.
With reference to Fig. 2, Fig. 3 and Fig. 4, it is the workflow schematic diagram of the comprehensive electric generating control method based on ventilation air gas of the present invention; After said system puts into operation, grid-connected power meter scale 6 Real-time Collection site power information, and transmit real-time and site power information, when central controller 7 obtains the power factor PF in this moment to central controller 7
tafter, judge and control operation:
1) as power factor PF
thigher than deadband upper limit value, the deadband upper limit value in the present embodiment is set as 90%, and weary wind admission line 8 air inflow is lower than minimum set point, then assign the instruction of valve positioner D25 valve-off D24, whether emptyly then judges to store device of air 11 capacity:
If it is not empty to store device of air 11 capacity, then assign the instruction that valve positioner B15 opens valve B14 completely, then close gas storage control system 20, and open gas emission control system 21 and carry out methane gas discharge; If store device of air 11 capacity for empty, then judge whether photovoltaic generation unit 4 drops into:
If photovoltaic generation unit 4 drops into, then gas electricity unit 3 is standby, then closes gas storage control system 20 and gas emission control system 21, then assigns the instruction of valve positioner B15 valve-off B14; If photovoltaic generation unit 4 does not drop into, then assign grid-connected switch 22 close command.
2) as power factor PF
thigher than deadband upper limit value, and weary wind admission line 8 air inflow is higher than minimum set point, then judge whether valve D24 opens completely:
If valve D24 does not open completely, then assign the instruction that valve positioner D25 opens valve D24 completely; If valve D24 opens completely, then assign the instruction of valve positioner B15 valve-off B14, then judge whether valve A12 current state is full admission amount:
If valve A12 current state is not full admission amount, then assign the instruction that valve positioner A13 increases valve A12 air inflow, the air inlet recruitment of valve A12 is 5% of current air inflow.; If valve A12 current state is full admission amount, then judge whether photovoltaic generation unit 4 drops into: if photovoltaic generation unit 4 drops into, then maintain current air inflow; If photovoltaic generation unit 4 does not drop into, then assign grid-connected switch 22 close command.
3) as power factor PF
tlower than deadband lower limit value, deadband lower limit value in the present embodiment is set as 85%, and weary wind admission line 8 air inflow is lower than minimum set point, then assign the instruction of valve positioner D25 valve-off D24, then judge whether photovoltaic generation unit 4 drops into: if photovoltaic generation unit 4 drops into, then assign grid-connected switch 22 open command; If photovoltaic generation unit 4 does not drop into, then whether emptyly judge to store device of air 11 capacity:
If it is not empty to store device of air 11 capacity, then assign the instruction that valve positioner B15 opens valve B14 completely, then close gas storage control system 20, and open gas emission control system 21 and carry out methane gas discharge; If store device of air 11 capacity for empty, then gas electricity unit 3 is standby, then closes gas storage control system 20 and gas emission control system 21, then assigns the instruction of valve positioner B15 valve-off B14.
4) as power factor PF
tlower than deadband lower limit value, and weary wind admission line 8 air inflow is higher than minimum set point, then judge whether valve D24 opens completely: if valve D24 does not open completely, then assign the instruction that valve positioner D25 opens valve D24 completely; If valve D24 opens completely, then judge whether photovoltaic generation unit 4 drops into:
If photovoltaic generation unit 4 drops into, then assign grid-connected switch 22 open command; If photovoltaic generation unit 4 does not drop into, then judge whether valve B14 opens: if valve B14 does not open, then judge whether valve A12 current state is allow minimum air inflow: if valve A12 current state allows minimum air inflow, then gas electricity unit 3 is standby, if valve A12 current state is not allow minimum air inflow, then assign the instruction that valve positioner A13 reduces valve A12 air inflow, the air inlet reduction of valve A12 is 15% of current air inflow;
If valve B14 opens, then assign the instruction of valve positioner B15 valve-off B14, assign the instruction that valve positioner C17 opens valve C16 completely again, then whether fullly judge to store device of air 11 capacity: if it is full to store device of air 11 capacity, then close gas storage control system 20 and gas emission control system 21, then assign the instruction of valve positioner C17 valve-off C16; If store device of air 11 capacity less than, then close gas emission control system 21, and open gas storage control system 20 and carry out methane gas storage.
5) as power factor PF
tlower than deadband upper limit value, and during higher than deadband lower limit value, maintain current air inflow.
Although be below described embodiment of the present invention by reference to the accompanying drawings, the present invention is not limited to above-mentioned specific embodiments and applications field, and above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of specification, and when not departing from the scope that the claims in the present invention are protected, can also make a variety of forms, these all belong to the row of the present invention's protection.
Claims (7)
1. based on the comprehensive generating system of ventilation air gas, it is characterized in that: comprise and be connected to bus (1) respectively and be external electrical network (2), gas electricity unit (3) and the photovoltaic generation unit (4) that load (5) powers; Described external electrical network (2) place is provided with for gathering and the grid-connected power meter scale (6) of site power information, and described grid-connected power meter scale (6) is electrically connected with central controller (7);
Described gas electricity unit (3) is connected with weary wind admission line (8), the arrival end of described weary wind admission line (8) is connected with binary channel pipeline, described binary channel pipeline is made up of the first pipeline (9) and second pipe (10), and the arrival end of described first pipeline (9) and second pipe (10) is all connected to total input channel (26); Described first pipeline (9) is communicated with and stores device of air breather pipe (23), described in store device of air breather pipe (23) is connected with and store device of air (11);
Described second pipe (10) is provided with valve A (12), described valve A (12) is electrically connected to central controller (7) by valve positioner A (13); Described first pipeline (9) is gone up and is positioned at the rear and front end correspondence storing device of air breather pipe (23) and is provided with valve C (16) and valve B (14), and described valve C (16) and valve B (14) correspondence are electrically connected to central controller (7) by valve positioner C (17) and valve positioner B (15); The air inlet of described total input channel (26) is provided with valve D (24), and described valve D (24) is electrically connected to central controller (7) by valve positioner D (25); Described photovoltaic generation unit (4) is electrically connected to central controller (7);
Described valve A (12) and valve D (24) are normally open valve door, and described valve B (14) and valve C (16) are normal closed gate.
2. as claimed in claim 1 based on the comprehensive generating system of ventilation air gas, it is characterized in that: described in store device of air (11) air inlet connected by reservoir conduit (18) described in store device of air breather pipe (23), device of air breather pipe (23) is stored described in the described gas outlet storing device of air (11) is connected by discharge tube (19), described reservoir conduit (18) is provided with gas storage control system (20), described discharge tube (19) is provided with gas emission control system (21), described gas storage control system (20) and gas emission control system (21) are electrically connected to central controller (7) respectively.
3. as claimed in claim 1 based on the comprehensive generating system of ventilation air gas, it is characterized in that: described photovoltaic generation unit (4) is electrically connected to bus (1) by grid-connected switch (22), described grid-connected switch (22) is electrically connected with described central controller (7).
4. the comprehensive electric generating control method of the system as described in as arbitrary in claims 1 to 3, it is characterized in that: grid-connected power meter scale (6) Real-time Collection site power information, and transmit real-time also site power information to central controller (7), after central controller (7) obtains the power factor PFt in this moment, judge and control operation:
1) when power factor PFt is higher than deadband upper limit value, and weary wind admission line (8) air inflow is lower than minimum set point, assign the instruction of valve positioner D (25) valve-off D (24), whether emptyly then judge to store device of air (11) capacity:
If it is not empty to store device of air (11) capacity, then assign the instruction that valve positioner B (15) opens valve B (14) completely, then close gas storage control system (20), and open gas emission control system (21) and carry out methane gas discharge;
If store device of air (11) capacity for empty, then judge whether photovoltaic generation unit (4) drops into: if photovoltaic generation unit (4) drops into, then gas electricity unit (3) is standby, then close gas storage control system (20) and gas emission control system (21), then assign the instruction of valve positioner B (15) valve-off B (14); If photovoltaic generation unit (4) does not drop into, then assign grid-connected switch (22) close command;
2) when power factor PFt is higher than deadband upper limit value, and weary wind admission line (8) air inflow is higher than minimum set point, then judge whether valve D (24) opens completely:
If valve D (24) does not open completely, then assign the instruction that valve positioner D (25) opens valve D (24) completely;
If valve D (24) opens completely, then assign the instruction of valve positioner B (15) valve-off B (14), then judge whether valve A (12) current state is full admission amount: if valve A (12) current state is not full admission amount, then assign the instruction that valve positioner A (13) increases valve A (12) air inflow; If valve A (12) current state is full admission amount, then judge whether photovoltaic generation unit (4) drops into; If photovoltaic generation unit (4) drops into, then maintain current air inflow; If photovoltaic generation unit (4) does not drop into, then assign grid-connected switch (22) close command.
5. the comprehensive electric generating control method of the system as described in as arbitrary in Claims 1-4, is characterized in that:
1) when power factor PFt is lower than deadband lower limit value, and weary wind admission line (8) air inflow is lower than minimum set point, then assign the instruction of valve positioner D (25) valve-off D (24), then judge whether photovoltaic generation unit (4) drops into: if photovoltaic generation unit (4) drops into, then assign grid-connected switch (22) open command; If photovoltaic generation unit (4) does not drop into, then whether emptyly judge to store device of air (11) capacity:
If it is not empty to store device of air (11) capacity, then assign the instruction that valve positioner B (15) opens valve B (14) completely, then close gas storage control system (20), and open gas emission control system (21) and carry out methane gas discharge; If store device of air (11) capacity for empty, then gas electricity unit (3) is standby, then close gas storage control system (20) and gas emission control system (21), then assign the instruction of valve positioner B (15) valve-off B (14);
2) when power factor PFt is lower than deadband lower limit value, and weary wind admission line (8) air inflow is higher than minimum set point, then judge whether valve D (24) opens completely:
If valve D (24) does not open completely, then assign the instruction that valve positioner D (25) opens valve D (24) completely; If valve D (24) opens completely, then judge whether photovoltaic generation unit (4) drops into:
If photovoltaic generation unit (4) drops into, then assign grid-connected switch (22) open command; If photovoltaic generation unit (4) does not drop into, then judge whether valve B (14) opens; If valve B (14) does not open, then judge whether valve A (12) current state is allow minimum air inflow; If valve A (12) current state allows minimum air inflow, then gas electricity unit (3) is standby; If valve A (12) current state is not allow minimum air inflow, then assign the instruction that valve positioner A (13) reduces valve A (12) air inflow;
If valve B (14) opens, then assign the instruction of valve positioner B (15) valve-off B (14), assign the instruction that valve positioner C (17) opens valve C (16) completely again, whether fullly then judge to store device of air (11) capacity;
If it is full to store device of air (11) capacity, then close gas storage control system (20) and gas emission control system (21), then assign the instruction of valve positioner C (17) valve-off C (16); If store device of air (11) capacity less than, then close gas emission control system (21), and open gas storage control system (20) and carry out methane gas storage;
3) when power factor PFt is lower than deadband upper limit value, and during higher than deadband lower limit value, current air inflow is maintained.
6. comprehensive electric generating control method as claimed in claim 4, it is characterized in that: after assigning the instruction of valve positioner A (13) increase valve A (12) air inflow, the air inlet recruitment of regulation valve A (12) is 5% of current air inflow.
7. comprehensive electric generating control method as claimed in claim 5, it is characterized in that: after assigning the instruction of valve positioner A (13) minimizing valve A (12) air inflow, the air inlet reduction of regulation valve A (12) is 15% of current air inflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600166.1A CN105186533B (en) | 2015-09-20 | 2015-09-20 | Comprehensive generating system and its control method based on ventilation air gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600166.1A CN105186533B (en) | 2015-09-20 | 2015-09-20 | Comprehensive generating system and its control method based on ventilation air gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105186533A true CN105186533A (en) | 2015-12-23 |
| CN105186533B CN105186533B (en) | 2018-03-06 |
Family
ID=54908455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510600166.1A Expired - Fee Related CN105186533B (en) | 2015-09-20 | 2015-09-20 | Comprehensive generating system and its control method based on ventilation air gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105186533B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191447A (en) * | 2006-11-29 | 2008-06-04 | 福特环球技术公司 | Control strategy to better usage of fuel ingaseous engine |
| JP2013045376A (en) * | 2011-08-26 | 2013-03-04 | Hitachi Consumer Electronics Co Ltd | Power management system |
| CN203097944U (en) * | 2013-01-08 | 2013-07-31 | 贵州盘江煤层气开发利用有限责任公司 | Emergency power supply system for coal mining equipment |
| CN204591541U (en) * | 2015-04-09 | 2015-08-26 | 煤炭工业太原设计研究院 | A kind of mine air-lack that utilizes is as the internal combustion engine power generating system of fuel |
| CN204615404U (en) * | 2015-03-27 | 2015-09-02 | 陕西华泰汇丰能源科技有限公司 | Ventilation air gas/photovoltaic generating system that automatic power factor regulates |
| CN205141677U (en) * | 2015-09-20 | 2016-04-06 | 陕西华泰汇丰能源科技有限公司 | Synthesize power generation system based on ventilation air methane |
-
2015
- 2015-09-20 CN CN201510600166.1A patent/CN105186533B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191447A (en) * | 2006-11-29 | 2008-06-04 | 福特环球技术公司 | Control strategy to better usage of fuel ingaseous engine |
| JP2013045376A (en) * | 2011-08-26 | 2013-03-04 | Hitachi Consumer Electronics Co Ltd | Power management system |
| CN203097944U (en) * | 2013-01-08 | 2013-07-31 | 贵州盘江煤层气开发利用有限责任公司 | Emergency power supply system for coal mining equipment |
| CN204615404U (en) * | 2015-03-27 | 2015-09-02 | 陕西华泰汇丰能源科技有限公司 | Ventilation air gas/photovoltaic generating system that automatic power factor regulates |
| CN204591541U (en) * | 2015-04-09 | 2015-08-26 | 煤炭工业太原设计研究院 | A kind of mine air-lack that utilizes is as the internal combustion engine power generating system of fuel |
| CN205141677U (en) * | 2015-09-20 | 2016-04-06 | 陕西华泰汇丰能源科技有限公司 | Synthesize power generation system based on ventilation air methane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105186533B (en) | 2018-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020063144A1 (en) | Method and system for evaluating energy delivery capacity in flexible dc electrical grid | |
| CN101777769B (en) | Multi-agent optimized coordination control method of electric network | |
| CN204615404U (en) | Ventilation air gas/photovoltaic generating system that automatic power factor regulates | |
| CN108108846B (en) | AC-DC hybrid microgrid robust optimization coordination scheduling method | |
| CN204497749U (en) | Be provided with the comprehensive generating system of reactive power compensator | |
| CN107069786B (en) | System and method for improving wind power consumption | |
| CN103577891A (en) | Multi-island micro-grid optimization cooperation running method containing distributed power source | |
| CN108063459B (en) | Control method for improving deep peak regulation capability of power plant | |
| CN215185881U (en) | Energy storage and supply system | |
| CN205141677U (en) | Synthesize power generation system based on ventilation air methane | |
| CN104484772B (en) | The feasibility method of calibration and system of electricity plan | |
| CN205051353U (en) | Ventilation air methane integrated system that generates electricity based on power factor examination | |
| CN105186533A (en) | Integrated power generation system based on ventilation air methane and control method thereof | |
| CN109038644B (en) | Micro-energy network system and voltage regulation control method thereof | |
| CN105186534A (en) | Ventilation air methane integrated power generation system based on power factor examination and control method thereof | |
| CN204497753U (en) | A kind of electricity generation system of comprehensive energy | |
| CN204465017U (en) | Ventilation air gas electricity generation system | |
| CN204992613U (en) | Satisfy gas generating electricity cogeneration system of power factor examination | |
| CN104821609A (en) | Method for controlling wind-hydrogen energy storage coupling system connected with wind electric field in distributed manner | |
| CN202906521U (en) | Off-grid photovoltaic power generation system | |
| CN204992612U (en) | Double -pipeline ventilation air methane power generation system | |
| CN105098841A (en) | Gas power generation cogeneration system satisfying power factor examination and control method thereof | |
| CN205141678U (en) | Improved generation ventilation air methane power generation system | |
| CN108590968A (en) | Blower fan tower barrel hydrogen storage energy conserving system and method | |
| Heo et al. | Energy resource capacity optimization for zero-energy housing complex |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20210920 |