CN110138017A - The control system tested for gas electricity generator in cold, heat and power triple supply system - Google Patents
The control system tested for gas electricity generator in cold, heat and power triple supply system Download PDFInfo
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- CN110138017A CN110138017A CN201910543635.9A CN201910543635A CN110138017A CN 110138017 A CN110138017 A CN 110138017A CN 201910543635 A CN201910543635 A CN 201910543635A CN 110138017 A CN110138017 A CN 110138017A
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- electricity generator
- power supply
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- 230000005611 electricity Effects 0.000 title claims abstract description 82
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 239000000446 fuel Substances 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 230000006855 networking Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 52
- 239000000567 combustion gas Substances 0.000 description 10
- 239000002737 fuel gas Substances 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to cold, heat and power triple supply systems, disclose a kind of control system tested for gas electricity generator in cold, heat and power triple supply system, to solve in running IDC data switching center, in the cold, heat and power triple supply system of later period auxiliary construction, gas electricity generator cannot be directly grid-connected with network system, it is difficult to carry out the test problem of generating set single machine early period and stage of networking.The present invention passes through the newly added equipment into original combined supply system, so that controller is separately connected fictitious load, the first grid-connected switch, the second grid-connected switch, cooling fan, fuel electric generator, gas electricity generator, first grid-connected switch connects utility grid, garden power supply buses are separately connected the first grid-connected switch, fuel electric generator, the second grid-connected switch, second grid-connected switch connects gas electricity generator power supply buses, and gas electricity generator power supply buses are separately connected fictitious load, gas electricity generator.The present invention is suitable for the matched cold, heat and power triple supply system of IDC data switching center.
Description
Technical field
The present invention relates to cold, heat and power triple supply system, it is especially for gas electricity generator in cold, heat and power triple supply system
The control system of test.
Background technique
For IDC data switching center matched cool and thermal power " trilogy supply " system structural schematic diagram as shown in Figure 1, cool and thermal power
The jet dynamic control separate unit active power of " trilogy supply " system setting is being installed generally between several hundred kilowatts to several megawatts
It completes to enter debugging, test run, operation phase, in order to detect the installation quality of jet dynamic control, test run stage by stage is simulated and electricity
A series of net " and net operation " ... the work that engineerings necessarily carry out, needs a kind of feasible detection method.
According to relevant regulations, simultaneously net operation is carried out with local power grid, it is necessary to examine by specialized department, then carry out in advance
" networking safety evaluation ", and " grid-connected design ", and first and second equipment of related electric is transformed, " trilogy supply " project
The generating set of installation is likely to carry out " being incorporated into the power networks " with power grid.
Because the security reliability of IDC requires rank high, do not allow for IDC data switching center matched " trilogy supply " hair
Electric system is not carrying out necessary experiment detection, before showing conjunction symbol safety specifications, is not granted and is incorporated to IDC power grid system
System opens machine operation power supply.
Due to being limited to current circuit structure as shown in Figure 1, matched cold, heat and electricity triple supply system, IDC data switching center
Gas electricity generator is more troublesome in test in system, is not easy to progress isolated network and grid-connected equal dependence tests, therefore we should seek
The gas electricity generator test macro of a set of feasible cold, heat and power triple supply system is sought, to carry out simulating the fuel gas generation of various operating conditions
Machine test.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of for gas electricity generator survey in cold, heat and power triple supply system
The control system of examination, to solve in running IDC data switching center, the cold, heat and electricity triple supply of later period auxiliary construction
In system, gas electricity generator cannot be directly grid-connected with network system, it is difficult to carry out generating set single machine early period and network the stage
Test problem.
The technical solution adopted by the present invention to solve the technical problems is: for fuel gas generation in cold, heat and power triple supply system
The control system of machine test, including controller, fictitious load, garden power supply buses, gas electricity generator, gas electricity generator are for the goddess of lightning
Line, the first grid-connected switch, the second grid-connected switch, cooling fan and fuel electric generator;The signal output end of the controller point
Not simultaneously with the control signal input of the fictitious load, the control signal input of the first grid-connected switch, described second
Net the control signal input, the control signal input of cooling fan, the control signal input of fuel electric generator, combustion of switch
The control signal input of gas generator is electrically connected, and one end of the movement contact of the first grid-connected switch is for connecting alternating current electricity
Net, the garden power supply buses respectively with the movement other end of contact of the described first grid-connected switch, the fuel electric generator
One end electrical connection of the movement contact of sending end, the second grid-connected switch, the second grid-connected switch act the another of contact
One end is electrically connected with the gas electricity generator power supply buses, the gas electricity generator power supply buses respectively with the fictitious load,
The sending end of gas electricity generator is electrically connected;The cooling fan is arranged near fictitious load, and radiates for fictitious load;
The testing and control of gas electricity generator includes: isolated network testing and control stage and grid-connected testing and control stage;
In the isolated network testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden powers
Bus is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and fuel gas generation
It is connected between machine power supply buses;Then control gas electricity generator starting, and control fictitious load and loaded, to complete combustion gas
The isolated network of generator is tested;
In the grid-connected testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden powers
Bus is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and fuel gas generation
Machine power supply buses it is separated;Then gas electricity generator and fuel electric generator starting are controlled, fuel electric generator simulating grid is to garden
Area's power supply, when controller, which detects, meets grid-connected conditions between gas electricity generator bus and garden power supply buses, control second
The movement contact of grid-connected switch, so that being connected between garden power supply buses and gas electricity generator power supply buses, to complete combustion gas
The grid-connected test of generator.
In the present invention, the parameter that grid-connected conditions are considered between garden power grid and utility grid include: voltage, frequency and
Phase difference.
IDC data switching center generally is equipped with emergency diesel dynamo, and in order to rationally utilize resource, the present invention can be adopted
Use the emergency diesel dynamo of IDC data switching center outfit as the fuel electric generator in the present invention.Described first grid-connected opens
It closes and the second grid-connected switch all can be breaker.
The beneficial effects of the present invention are: the present invention has utilized the cold, heat and power triple supply system of existing IDC data switching center
Some controller switching equipments, emergency diesel dynamo and in the jet dynamic control built, rational allocation and carry out some equipment wiring and become
Chemical industry is made, and to realize the jet dynamic control performance test of IDC " trilogy supply " system and providing hardware support, works as test macro
It after load test software, can be realized up to test purpose, save engineering construction cost, meet under data center's specific condition
The imbalance between supply and demand of electric power energy shortage, ensure that electric power netting safe running.
Detailed description of the invention
Fig. 1 is the gas electricity generator wiring schematic diagram of the cold, heat and power triple supply system of current IDC data switching center.
Fig. 2 is a kind of fuel gas generation for cold, heat and power triple supply system for IDC data switching center that embodiment provides
The wiring schematic diagram of the control system of machine test.
Specific embodiment
The invention discloses a kind of control systems tested for gas electricity generator in cold, heat and power triple supply system, including control
Device processed, fictitious load, garden power supply buses, gas electricity generator, gas electricity generator power supply buses, the first grid-connected switch, second are simultaneously
Net switch, cooling fan and fuel electric generator;The control with the fictitious load respectively of the signal output end of the controller
Signal input part, the control signal input of the first grid-connected switch, the control signal input of the second grid-connected switch,
The control signal input of the control signal input, the control signal input of fuel electric generator, gas electricity generator of cooling fan
End electrical connection, one end of the movement contact of the first grid-connected switch is for connecting utility grid, the garden power supply buses point
It grid-connected is not opened with the other end of the movement contact of the described first grid-connected switch, the sending end of the fuel electric generator, described second
One end electrical connection of the movement contact of pass, the other end and the gas electricity generator of the movement contact of the second grid-connected switch supply
The electrical connection of goddess of lightning's line, sending end of the gas electricity generator power supply buses respectively with the fictitious load, gas electricity generator are electrically connected
It connects;The cooling fan is arranged near fictitious load, and radiates for fictitious load;
The testing and control of gas electricity generator is general can include: isolated network testing and control stage and grid-connected testing and control stage;
In the isolated network testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden powers
Bus is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and fuel gas generation
It is connected between machine power supply buses;Then control gas electricity generator starting, and control fictitious load and loaded, to complete combustion gas
The isolated network of generator is tested;
In the grid-connected testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden powers
Bus is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and fuel gas generation
Machine power supply buses it is separated;Then gas electricity generator and fuel electric generator starting are controlled, fuel electric generator simulating grid is to garden
Area's power supply, when controller, which detects, meets grid-connected conditions between gas electricity generator bus and garden power supply buses, control second
The movement contact of grid-connected switch, so that being connected between garden power supply buses and gas electricity generator power supply buses, to complete combustion gas
The grid-connected test of generator.
IDC data switching center generally is equipped with emergency diesel dynamo, and in order to rationally utilize resource, the present invention can be adopted
Use the emergency diesel dynamo of IDC data switching center outfit as the fuel electric generator in the present invention.Described first grid-connected opens
It closes and the second grid-connected switch all can be breaker.
The present invention is further described with reference to the accompanying drawings and embodiments.
Embodiment provides a kind of control system tested for gas electricity generator in cold, heat and power triple supply system, such as Fig. 2 institute
Show, including controller, fictitious load, garden power supply buses, gas electricity generator, gas electricity generator power supply buses, first grid-connected opens
Pass, the second grid-connected switch, cooling fan and fuel electric generator;The signal output end of the controller is negative with the simulation respectively
The control of the control signal input of load, the control signal input of the first grid-connected switch, the second grid-connected switch is believed
The control of number input terminal, the control signal input of cooling fan, the control signal input of fuel electric generator, gas electricity generator
Signal input part electrical connection, one end of the movement contact of the first grid-connected switch are supplied for connecting utility grid, the garden
Goddess of lightning's line respectively with the movement other end of contact of the described first grid-connected switch, the sending end of the fuel electric generator, described the
One end electrical connection of the movement contact of two grid-connected switches, the other end of the movement contact of the second grid-connected switch and the combustion gas
Generator powered bus electrical connection, the gas electricity generator power supply buses respectively with the fictitious load, gas electricity generator it is defeated
Electric end electrical connection;The cooling fan is arranged near fictitious load, and radiates for fictitious load, and fictitious load consumes energy
Very big heat can be issued after amount, need to configure necessary forced ventilation cooling system thus.
In embodiment, fictitious load can access the backup circuit breaker cabinet on garden power supply buses in access, or exit certain
One station power distribution transformer accesses fictitious load with this breaker cabinet.IDC data switching center generally is equipped with emergency diesel-oil hair
Motor, in order to rationally utilize resource, the emergency diesel dynamo that embodiment is equipped with using IDC data switching center is as the present invention
In fuel electric generator.First grid-connected switch and the second grid-connected switch all can be breakers.
In embodiment, the testing and control of gas electricity generator include: the isolated network testing and control stage, the grid-connected testing and control stage with
And isolated network bringing onto load controls the stage;
In the isolated network testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden powers
Bus is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and fuel gas generation
It is connected between machine power supply buses;Then control gas electricity generator starting, and control fictitious load and loaded, to complete combustion gas
The isolated network of generator is tested;
In the grid-connected testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden powers
Bus is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and fuel gas generation
Machine power supply buses it is separated;Then gas electricity generator and fuel electric generator starting are controlled, fuel electric generator simulating grid is to garden
Area's power supply, when controller, which detects, meets grid-connected conditions between gas electricity generator bus and garden power supply buses, control second
The movement contact of grid-connected switch, so that being connected between garden power supply buses and gas electricity generator power supply buses, to complete combustion gas
The grid-connected test of generator.
IDC data switching center generally is equipped with emergency diesel dynamo, and in order to rationally utilize resource, the present invention can be adopted
Use the emergency diesel dynamo of IDC data switching center outfit as the fuel electric generator in the present invention.Described first grid-connected opens
It closes and the second grid-connected switch all can be breaker.
It should be noted that the garden IDC " trilogy supply " project unit is possible to not be only to build unit (while to install
Two or more jet dynamic controls), therefore each jet dynamic control can access corresponding garden in the specific implementation
The fictitious load of area's power supply buses, grid-connected switch and cooling fan are tested by platform respectively one by one under normal circumstances.
It is as follows that embodiment carries out gas electricity generator test job:
1, controller controls the movement contact of the first grid-connected switch, so that between garden power supply buses and utility grid bus
It disconnects;Controller controls the movement contact of the second grid-connected switch so that garden power supply buses and gas electricity generator power supply buses it
Between be connected to;
2, control gas electricity generator starting, and controller is had stepped through, control fictitious load load is synchronous to carry out combustion gas hair
The various electrical series isolated network phase experiments that must be done before the related installation and operation of motor, obtain relevant test data;
3, the grid-connected test of jet dynamic control is then begun to, controller starts diesel-driven generator, start diesel generating set,
10kV (simulation external electrical network) is constructed, and is powered to garden power supply buses;Start gas electricity generator operation, as gas electricity generator mother
After voltage, frequency and phase difference meet grid-connected conditions between line and garden power supply buses, the movement of the second grid-connected switch is controlled
Contact, so that being connected between garden power supply buses and gas electricity generator power supply buses, to complete the grid-connected survey of gas electricity generator
Examination.Embodiment carries out the content of grid-connected test can include:
1) synchronized detection (manual, the quasi- same period);
2) automatic synchronizing paralleling.
4, later, cold, heat and power triple supply system can carry out constant frequency (rate), and permanent (pressure) adjusts experiment and installation and debugging engineering
The system experimentation project needed.
5, it is completed in above-mentioned several experiments and operating condition transformation work, and after meeting target and related specifications,
The movement contact for still maintaining the first grid-connected switch of control disconnects, so that combined supply system does not access utility grid.Start combustion gas
Generating set and the movement contact for controlling the second grid-connected switch, so that being exited after gas electricity generator is connected to garden power supply buses
Diesel-driven generator, data switching center's load access according to plan, when load reaches certain capacity, gradually exit fictitious load,
Gas electricity generator is powered as main power supply, isolated power grid for data switching center at this time.
Then, by the flue residue heat of gas engine, it is gradually introducing lithium bromide device, is generated " chilled water ", is in data
The heart provides " cooling capacity ";The engine cylinder jacket water for exchanging heat later can provide " hot water " as heat source, realize hot and cold, electric " three
For ", to greatly improve energy utilization rate.Since IDC data switching center generally builds in outer suburbs or rural area, these ground
The power grid power supply capacity of side is limited by (power generation, transmission of electricity, distribution) bottleneck condition, belongs to power-shortage area, currently, some data is handed over
Switching center9's fuel electric generator that also needs to put into operation carrys out electric energy supplement demand, and the electricity unit price of fuel electric generator is significantly larger than trilogy supply
The electricity unit price that the gas electricity generator that mode energizes-lithium cold unit provides, for this purpose, using the combustion gas hair that trilogy supply mode energizes instead
The comprehensive energy supply of motor-lithium cold unit is reasonably to select.
Claims (4)
1. the control system for gas electricity generator test in cold, heat and power triple supply system, which is characterized in that including controller, mould
Quasi- load, garden power supply buses, gas electricity generator, gas electricity generator power supply buses, the first grid-connected switch, second it is grid-connected switch,
Cooling fan and fuel electric generator;The signal output end of the controller is inputted with the control signal of the fictitious load respectively
End, the control signal input of the first grid-connected switch, the control signal input of the second grid-connected switch, cooling fan
Control signal input, the control signal input of fuel electric generator, the control signal input of gas electricity generator electrical connection,
One end of the movement contact of the first grid-connected switch is for connecting utility grid, and the garden power supply buses are respectively with described the
The movement touching of the movement other end of contact, the sending end of the fuel electric generator, the second grid-connected switch of one grid-connected switch
One end electrical connection of point, the other end of the movement contact of the second grid-connected switch are electrically connected with the gas electricity generator power supply buses
It connects, the gas electricity generator power supply buses are electrically connected with the sending end of the fictitious load, gas electricity generator respectively;The heat dissipation
Blower is arranged near fictitious load, and radiates for fictitious load;
The testing and control of gas electricity generator includes: isolated network testing and control stage and grid-connected testing and control stage;
In the isolated network testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden power supply buses
It is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and gas electricity generator supply
It is connected between goddess of lightning's line;Then control gas electricity generator starting, and control fictitious load and loaded;
In the grid-connected testing and control stage, controller controls the movement contact of the first grid-connected switch first, so that garden power supply buses
It is separated with utility grid, the movement contact of the second grid-connected switch is controlled, so that garden power supply buses and gas electricity generator supply
Goddess of lightning's line it is separated;Then gas electricity generator and fuel electric generator starting are controlled, fuel electric generator simulating grid is supplied to garden
Electricity, when controller, which detects, meets grid-connected conditions between gas electricity generator bus and garden power supply buses, control second is grid-connected
The movement contact of switch, so that being connected between garden power supply buses and gas electricity generator power supply buses.
2. the control system for gas electricity generator test in cold, heat and power triple supply system as claimed in claim 1, which is characterized in that
The fuel electric generator is diesel-driven generator.
3. the control system for gas electricity generator test in cold, heat and power triple supply system as claimed in claim 1, which is characterized in that
The first grid-connected switch and the second grid-connected switch are breaker.
4. the control system for gas electricity generator test in cold, heat and power triple supply system as claimed in claim 1, which is characterized in that
The parameter that grid-connected conditions are considered between garden power grid and utility grid includes: voltage, frequency and phase difference.
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Application publication date: 20190816 |