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 PDF

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Publication number
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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CN
China
Prior art keywords
grid
gas electricity
electricity generator
power supply
connected switch
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Pending
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CN201910543635.9A
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Chinese (zh)
Inventor
杜秀平
陶强
黄浩
郑岩
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Sichuan Chase Rui Heng Energy Co Ltd
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Sichuan Chase Rui Heng Energy Co Ltd
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Priority to CN201910543635.9A priority Critical patent/CN110138017A/en
Publication of CN110138017A publication Critical patent/CN110138017A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers

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  • 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

The control system tested for gas electricity generator in cold, heat and power triple supply system
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.
CN201910543635.9A 2019-06-21 2019-06-21 The control system tested for gas electricity generator in cold, heat and power triple supply system Pending CN110138017A (en)

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CN201910543635.9A CN110138017A (en) 2019-06-21 2019-06-21 The control system tested for gas electricity generator in cold, heat and power triple supply system

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Application Number Priority Date Filing Date Title
CN201910543635.9A CN110138017A (en) 2019-06-21 2019-06-21 The control system tested for gas electricity generator in cold, heat and power triple supply system

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Application publication date: 20190816