CN205507036U - Gas - steam combined cycle unit's primary control test device - Google Patents
Gas - steam combined cycle unit's primary control test device Download PDFInfo
- Publication number
- CN205507036U CN205507036U CN201620143516.6U CN201620143516U CN205507036U CN 205507036 U CN205507036 U CN 205507036U CN 201620143516 U CN201620143516 U CN 201620143516U CN 205507036 U CN205507036 U CN 205507036U
- Authority
- CN
- China
- Prior art keywords
- frequency modulation
- primary frequency
- gas
- data transmission
- interface
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 238000012545 processing Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000003993 interaction Effects 0.000 claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000013215 result calculation Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Control Of Turbines (AREA)
Abstract
The utility model provides a gas steam combined cycle unit's primary control test device, including the shell to and the holding in the shell power supply unit, waveform display recorder, processing apparatus and be located the shell on data transmission interface and human -machine interface, wherein, data transmission interface connects outside unit control system to acquire combustion engine rated load and real power and the steam turbine rated load and the real power of sending out of sending out that outside unit control system sent, processing apparatus connects data transmission interface for it carries out primary control and handles to send out power according to the combustion engine rated load that acquires and steam turbine rated load and real, waveform display recorder connects processing apparatus for the record shows the data wave form in the primary control processing, human -machine interface connects the outer computer for an interface of human -computer interaction is provided, power supply unit connects waveform display recorder, processing apparatus, data transmission interface and human -machine interface for a power of it is required is provided.
Description
Technical Field
The utility model relates to a gas unit electricity generation field especially relates to a gas-steam combined cycle unit's primary control test device.
Background
The frequency is one of important indexes for evaluating the quality of electric energy, the safety and economic benefits of a power system, a generator set and a user are influenced when the frequency exceeds an allowable range, serious impact on a power grid and even breakdown of the power grid are caused by more serious fluctuation, and a primary frequency modulation function in a network plant coordination function becomes one of effective means for stabilizing the power grid. Therefore, the standardized and normalized primary frequency modulation test also becomes a necessary test project for the generator set.
A primary frequency modulation device and a test of the existing generator set mainly aim at a thermal generator set, and a primary frequency modulation device and a test aiming at a gas-steam combined cycle unit do not exist.
Therefore, a primary frequency modulation device of the gas-steam combined cycle unit is created, a corresponding primary frequency modulation test is standardized, and the frequency modulation level of the gas-steam combined cycle unit is improved, so that the requirements of numerous newly-built gas power plants in recent years are met, and the safety, stability and economic operation of a power system are guaranteed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that there is not the primary frequency modulation test device to gas steam combined cycle unit among the prior art, the embodiment of the utility model provides a gas-steam combined cycle unit's primary frequency modulation test device.
In order to achieve the above object, an embodiment of the present invention provides a primary frequency modulation testing apparatus for a gas-steam combined cycle unit, which includes a housing, and a power supply device, a waveform display recording device, a processing device, and a data transmission interface and a human-computer interaction interface which are accommodated in the housing; the data transmission interface is connected with an external unit control system to obtain the rated load and the actual power of the gas turbine and the rated load and the actual power of the steam turbine which are sent by the external unit control system; the processing device is connected with the data transmission interface and is used for carrying out primary frequency modulation processing according to the acquired rated load and actual power of the gas turbine and the rated load and actual power of the steam turbine; the waveform display and recording device is connected with the processing device and is used for recording and displaying the data waveform in the primary frequency modulation processing process; the man-machine interaction interface is connected with an external computer and used for providing a man-machine interaction interface; and the power supply device is connected with the waveform display recording device, the processing device, the data transmission interface and the human-computer interaction interface and is used for providing a power supply required by the whole primary frequency modulation test device.
Further, in an embodiment, the data transmission between the data transmission interface and the external unit control system is a hard-wired connection manner of AI/O, DI/O.
Further, in an embodiment, the device further comprises an indicator light display device, which is arranged at the lower right corner of the shell and comprises 4 status indicator lights, and the status indicator lights are respectively used for indicating that the response is generated in the primary frequency modulation test within 3 seconds, the load reaches a stable state within 90% of the total theoretical variation load within 15 seconds, the load reaches a stable state within 60 seconds, and the actual rotating speed unequal rate is 4% -5%.
Further, in an embodiment, the human-computer interaction interface includes a test slip signal input interface control for manually inputting a test slip signal.
Further, in an embodiment, the human-computer interaction interface includes a target set rotating speed unequal rate input interface control for manually inputting a target set rotating speed unequal rate of the combustion engine.
The primary frequency modulation test device of the gas-steam combined cycle unit, which is provided by the embodiment of the utility model, is designed particularly for the primary frequency modulation of the gas-steam combined cycle unit, can improve the frequency modulation level of the gas-steam combined cycle unit, reduce the artificial participation link, and improve the automation level and accuracy of the test; the method greatly saves a large amount of preparation working time before the test, data selection record in the test process and test result calculation processing analysis links, and ensures safe, stable and economic operation of the power system.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a primary frequency modulation test device of a gas-steam combined cycle unit according to the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the primary frequency modulation testing apparatus of the gas-steam combined cycle unit of the present invention;
fig. 3 is a system connection diagram of a primary frequency modulation test of a gas steam-steam combined cycle unit by using the primary frequency modulation test device of the embodiment of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a primary frequency modulation test device of a gas-steam combined cycle unit provided by an embodiment of the present invention. As shown in fig. 1, the primary frequency modulation testing apparatus of the gas-steam combined cycle unit in this embodiment includes a housing 1, and a power supply apparatus 2, a waveform display recording apparatus 3, a processing apparatus 4, and a data transmission interface 5 and a human-computer interaction interface 6 which are accommodated in the housing 1.
The data transmission interface 5 is connected with an external unit control system to obtain the rated load and the actual power of the gas turbine and the rated load and the actual power of the steam turbine which are sent by the external unit control system; the processing device 4 is connected with the data transmission interface 5 and is used for carrying out primary frequency modulation processing according to the acquired rated load and actual power of the gas turbine and the rated load and actual power of the steam turbine; the waveform display and recording device 3 is connected with the processing device 4 and is used for recording and displaying the data waveform in the primary frequency modulation processing process; the human-computer interaction interface 6 is connected with an external computer and used for providing a human-computer interaction interface; the power supply device 2 is connected with the waveform display recording device 3, the processing device 4, the data transmission interface 5 and the human-computer interaction interface 6 and used for providing power supply required by the whole primary frequency modulation test device.
In this embodiment, the data transmission between the data transmission interface 5 and the external unit control system is a hard-wired connection manner of AI/O, DI/O.
In this embodiment, as shown in fig. 2, the primary frequency modulation test apparatus of this embodiment further includes an indicator light display device 7, which is disposed at the lower right corner of the housing and includes 4 status indicator lights, and the status indicator lights are respectively used to indicate that the primary frequency modulation test has a response within 3 seconds, reaches 90% of the total theoretical variation load within 15 seconds, reaches a load steady state within 60 seconds, and has an actual rotation speed unequal rate of 4% -5%. When the condition is satisfied, the lamp will light up or turn red.
In this embodiment, the human-computer interaction interface 6 includes a test slip signal input interface control for manually inputting a test slip signal; the man-machine interaction interface 6 also comprises a rotating speed unequal rate target set value input interface control part which is used for manually inputting a rotating speed unequal rate target set value of the combustion engine. In this embodiment, the human-computer interaction interface 6 may be a bus interface, and is connected to an external computer, so that a user can realize human-computer interaction with the primary frequency modulation experimental apparatus through the computer, and in addition, the experimental slip signal input interface control and the rotational speed inequality target setting value input interface control can be displayed through a computer display screen, so that the user can conveniently input a numerical value.
Fig. 3 is a system connection diagram of a primary frequency modulation test of a gas-steam combined cycle unit by using the primary frequency modulation test device of the embodiment of the present invention. As shown in fig. 3, the primary frequency modulation test system of the gas-steam combined cycle unit includes: steam turbine set equipment 20, with steam turbine controller rack 30, gas turbine set equipment 40 that steam turbine set equipment 20 is connected, with gas turbine controller rack 50 that gas turbine set equipment 40 is connected, with steam turbine controller rack 30 with exchange rack 60 that gas turbine controller rack 50 is connected, with exchange rack 60 connects the utility model discloses a primary frequency modulation test device 10. Wherein the steam turbine plant 20 is configured to output a steam turbine load; the steam turbine controller cabinet 30 is used for controlling the operation of the steam turbine and collecting the power of the steam turbine; the gas turbine unit 40 is used for outputting a load of the combustion engine; the gas turbine controller cabinet 50 is used for controlling the operation of the gas turbine, collecting the power of the gas turbine and adjusting the actual rotating speed of the gas turbine according to the disturbance signal; the switch cabinet 60 is used for data format conversion and data forwarding; the primary frequency modulation test device 10 is used for setting an initial target rotating speed unequal rate of a combined cycle unit, receiving a rated load of a gas turbine, a rated load of a steam turbine and actual power of the gas turbine, applying a disturbance signal to the gas turbine, and finely adjusting a target set value of the rotating speed unequal rate of the gas turbine within an allowable range of the unit according to the actual rotating speed unequal rate of the unit so as to enable the rotating speed unequal rate of the combined cycle unit to meet a standard range.
Before the test, the primary frequency modulation test device is accessed into a bus network of a control cabinet of a gas Turbine Control System (TCS), high-precision data required by the test can be read in real time through data reading software carried by a gas turbine manufacturer, and operation processing is completed in the primary frequency modulation test device. The primary frequency modulation test device is connected with a field control bus network (exchange cabinet) only through a conventional network cable, can realize online plugging and unplugging, has no influence on the operation of the combined cycle unit, and does not occupy the load of controllers (a steam turbine controller cabinet and a gas turbine controller cabinet) of the combined cycle unit. The primary frequency modulation test device has the functions of data and image storage, and can be used for modulating data at any time after a test and comparing, analyzing and comparing the test data of a plurality of combined cycle units. After preset values are input in an experiment slip setting area and a combustion engine TCS (combustion engine control system) rotating speed unequal rate setting area, a primary frequency modulation experiment is automatically started, the whole primary frequency modulation experiment is automatically completed at one time, manual participation is less, and the accuracy of the experiment result is high.
Referring to fig. 3, the primary frequency modulation test device for standard judgment is realized by completely realizing signal generation, real-time data processing, regulation process recording, final index calculation and test result analysis of the primary frequency modulation test of the gas-steam combined cycle unit from the primary frequency modulation test loop design of the gas-steam combined cycle unit. The artificial participation links are reduced, and the automation level and accuracy of the test are improved; a large amount of preparation working time before the test is greatly saved, and data selection records and test result calculation processing analysis links in the test process are greatly saved; the primary frequency modulation test process is simple and convenient, and the transportability is strong.
The primary frequency modulation test device provided by the embodiment of the utility model reads data through the network bus link with the gas turbine control system, is not limited by the number of traditional data acquisition channels, and has high precision and high speed; the plugging and unplugging of the test equipment can be realized on line, the closed-loop control system of the fuel machine is not influenced, and the requirement of a primary frequency modulation test is completely met; moreover, the utility model discloses design from the primary frequency modulation test loop to the analysis of test result, the signal that has completely realized the primary frequency modulation test of combined cycle unit takes place, real-time data processing, the regulation process record, final index calculates, the test device of standard judgement; the artificial participation links are reduced, and the automation level and accuracy of the test are improved; the method greatly saves a large amount of preparation working time before the test, and data selection record and test result calculation processing analysis links in the test process.
The various illustrative logical blocks, or elements described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a digital signal processor, an Application Specific Integrated Circuit (ASIC), a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.
Those of skill in the art will also appreciate that the various illustrative logical blocks, units, and steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate the interchangeability of hardware and software, various illustrative components, elements, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present embodiments.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. For example, a storage medium may be coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC, which may be located in a user terminal. In the alternative, the processor and the storage medium may reside in different components in a user terminal.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (5)
1. A primary frequency modulation test device of a gas-steam combined cycle unit is characterized by comprising a shell, a power supply device, a waveform display and recording device, a processing device, a data transmission interface and a man-machine interaction interface, wherein the power supply device, the waveform display and recording device and the processing device are accommodated in the shell; wherein,
the data transmission interface is connected with an external unit control system to obtain the rated load and the actual power of the gas turbine and the rated load and the actual power of the steam turbine which are sent by the external unit control system;
the processing device is connected with the data transmission interface and is used for carrying out primary frequency modulation processing according to the acquired rated load and actual power of the gas turbine and the rated load and actual power of the steam turbine;
the waveform display and recording device is connected with the processing device and is used for recording and displaying the data waveform in the primary frequency modulation processing process;
the man-machine interaction interface is connected with an external computer and used for providing a man-machine interaction interface;
and the power supply device is connected with the waveform display recording device, the processing device, the data transmission interface and the human-computer interaction interface and is used for providing a power supply required by the whole primary frequency modulation test device.
2. The primary frequency modulation test device of the gas-steam combined cycle unit as claimed in claim 1, wherein the data transmission between the data transmission interface and the external unit control system is a hard-wired connection mode of AI/O, DI/O.
3. The primary frequency modulation test device of the gas-steam combined cycle unit according to claim 1, further comprising an indicator light display device arranged at the lower right corner of the housing, wherein the indicator light display device comprises 4 status indicator lights which are respectively used for indicating that the primary frequency modulation test has response within 3 seconds, reaches 90% of the total theoretical variation load within 15 seconds, reaches a load stable state within 60 seconds, and has an actual rotating speed unequal rate of 4% -5%.
4. A primary frequency modulation test apparatus for a gas-steam combined cycle unit as set forth in claim 1, wherein said human-machine interface includes a test slip signal input interface control for manually inputting a test slip signal.
5. The primary frequency modulation test device of the gas-steam combined cycle unit as claimed in claim 1, wherein the human-machine interface comprises a rotational speed unequal rate target set value input interface control for manually inputting a rotational speed unequal rate target set value of the combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620143516.6U CN205507036U (en) | 2016-02-25 | 2016-02-25 | Gas - steam combined cycle unit's primary control test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620143516.6U CN205507036U (en) | 2016-02-25 | 2016-02-25 | Gas - steam combined cycle unit's primary control test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205507036U true CN205507036U (en) | 2016-08-24 |
Family
ID=56726645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620143516.6U Active CN205507036U (en) | 2016-02-25 | 2016-02-25 | Gas - steam combined cycle unit's primary control test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205507036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208053A (en) * | 2016-08-31 | 2016-12-07 | 天津天大求实电力新技术股份有限公司 | A kind of electric power safeguard system based on reaction type frequency modulation |
| CN111654058A (en) * | 2020-05-27 | 2020-09-11 | 国网天津市电力公司电力科学研究院 | Method for calculating rotating speed unequal rate of gas generator set |
-
2016
- 2016-02-25 CN CN201620143516.6U patent/CN205507036U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208053A (en) * | 2016-08-31 | 2016-12-07 | 天津天大求实电力新技术股份有限公司 | A kind of electric power safeguard system based on reaction type frequency modulation |
| CN111654058A (en) * | 2020-05-27 | 2020-09-11 | 国网天津市电力公司电力科学研究院 | Method for calculating rotating speed unequal rate of gas generator set |
| CN111654058B (en) * | 2020-05-27 | 2023-06-30 | 国网天津市电力公司电力科学研究院 | Calculation method for unequal rotation speed of gas generator set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101364109B (en) | Machine-net dynamic safety system and method based on actual measurement | |
| CN104950254B (en) | The primary frequency modulation test method of Combined cycle gas-steam turbine unit, apparatus and system | |
| CN110286272B (en) | Wireless charging simulation test method and system | |
| CN205507036U (en) | Gas - steam combined cycle unit's primary control test device | |
| CN110673509A (en) | Electric quantity transmitter simulation system and method for semi-physical simulation platform | |
| CN109459689B (en) | Full-automatic calibration equipment of portable relay | |
| CN204302026U (en) | Transient Process of Hydropower Station integrated physical model test platform | |
| CN111221269A (en) | Multi-loop direct current power grid stability simulation test system and method | |
| CN204883407U (en) | Servo pressure control system | |
| CN104090256A (en) | Electronic transformer full-automatic debugging system | |
| CN103592531A (en) | Method and system for detecting parameters of wind power plant static var generator | |
| CN106546936B (en) | Virtual detection system and detection method for detecting energy efficiency monitoring equipment | |
| CN113917311A (en) | Chip parameter tolerance testing method and device | |
| CN108986938A (en) | The shutdown condition response time test method of nuclear power plant reactor protection system | |
| CN104991582A (en) | Servo pressure control system | |
| CN203788304U (en) | Device for testing function of hardware interface | |
| CN116302669A (en) | Substation protection fixed value monitoring method, system, device and medium | |
| CN113739926B (en) | Method and device for detecting temperature rise fault of train electric appliance cabinet and terminal equipment | |
| CN111810256B (en) | Steam turbine cold start early warning system, method, storage medium and electronic equipment | |
| CN102735978B (en) | Computer on-line debugging method for grid-connected inverter | |
| CN114924545A (en) | Test method, device, test equipment and medium for primary frequency modulation device | |
| CN204576148U (en) | A kind of microcomputer rotation speed signal device for genset | |
| CN210668602U (en) | Full-automatic discharge nuclear capacity testing device for storage battery of wind power plant | |
| CN207937858U (en) | Test system of safety and stability control device | |
| CN203455718U (en) | Test bench for generator set controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |