CN115586733A - Simulation device of steam turbine protection and control system - Google Patents
Simulation device of steam turbine protection and control system Download PDFInfo
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- CN115586733A CN115586733A CN202211320441.0A CN202211320441A CN115586733A CN 115586733 A CN115586733 A CN 115586733A CN 202211320441 A CN202211320441 A CN 202211320441A CN 115586733 A CN115586733 A CN 115586733A
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Abstract
The invention discloses a simulation device of a steam turbine protection and control system, which comprises an input/output module and a simulation module which are connected with each other; the input and output module is used for receiving a steam turbine control signal and outputting a signal generated by the simulation module based on the simulation logic, and the steam turbine control signal is generated based on the control logic in the steam turbine protection and control system; the simulation module is used for simulating the steam turbine protection and control system by adopting various types of simulation modes according to the steam turbine control signal; wherein the different simulation modes correspond to different operation modes of the simulation device. According to the invention, different application stages of the steam turbine protection and control system are simulated by setting a plurality of different simulation modes, so that the simulation requirements in the whole life cycle of the system can be met, the correctness and integrity of the control logic of the steam turbine protection and control system can be further ensured, and the convenience of operating and debugging the system by a user can be improved.
Description
Technical Field
The invention belongs to the technical field of simulation of a steam turbine control system, and particularly relates to a simulation device of a steam turbine protection and control system.
Background
The steam turbine protection and control system is applied to various places such as conventional power plants, nuclear power plants and the like, and simulation software matched with the steam turbine protection and control system is usually required to verify the correctness of the design of system logic and pictures so as to assist the design work of the system. However, in the prior art, a comprehensive simulation device is not provided for each stage of the turbine protection and control system before, during and after debugging, and for satisfying the simulation requirements of the turbine protection and control system in the whole life cycle of the power plant.
Disclosure of Invention
The invention aims to overcome the defect that full-cycle simulation cannot be performed on each stage of a steam turbine protection and control system before debugging, during debugging and after running due to the fact that a comprehensive simulation device is lacked in the prior art, and provides a simulation device of a steam turbine protection and control system.
The invention solves the technical problems through the following technical scheme:
the invention provides a simulation device of a steam turbine protection and control system, which comprises an input/output module and a simulation module which are connected with each other;
the input and output module is used for receiving a steam turbine control signal and outputting a signal generated by the simulation module based on simulation logic, and the steam turbine control signal is generated based on control logic in the steam turbine protection and control system;
the simulation module is used for simulating the steam turbine protection and control system by adopting various types of simulation modes according to the steam turbine control signal; wherein the different simulation modes correspond to different operation modes of the simulation device.
The simulation device of the steam turbine protection and control system provided by the scheme simulates different application stages of the steam turbine protection and control system by setting multiple different simulation modes, can meet the simulation requirements in the whole life cycle of the system, further can ensure the correctness and integrity of the control logic of the steam turbine protection and control system, and can also improve the convenience of operating and debugging the system by a user.
Preferably, the simulation modes of the plurality of types include a first pure simulation mode, a second pure simulation mode and a mixed simulation mode;
the first pure simulation mode is used for independently simulating corresponding to the simulation device;
the second pure simulation mode jointly simulates the simulation device and the steam turbine protection and control system;
and the hybrid simulation mode jointly simulates the simulation device, the steam turbine protection and control system and the steam turbine.
In the scheme, the simulation device simulates the steam turbine protection and control system by adopting different simulation modes, can adapt to different simulation requirements of the system, and comprehensively ensures the normal operation of the steam turbine protection and control system in the whole process.
Preferably, in the first pure simulation mode, the simulation module is further configured to execute the control logic of the turbine protection and control system.
In the scheme, the control logic of the steam turbine protection and control system is executed through the simulation module, so that the simulation device can be separated from an actual control cabinet and can be independently simulated by on-site equipment, and the application flexibility of the simulation device can be improved.
Preferably, in the second pure simulation mode, the input/output module is connected with the turbine protection and control system through hard wiring.
In the scheme, the simulation device is connected with the actual control cabinet for simulation through the second pure simulation mode, so that the control cabinet can be debugged, and the application flexibility of the simulation device is improved.
Preferably, in the hybrid simulation mode, the input/output module is sequentially connected with the steam turbine protection and control system and other preset equipment of the steam turbine through hard wiring.
In the scheme, the simulation device is connected with an actual control cabinet and on-site equipment for simulation through a mixed simulation mode, and can be applied to stages of maintenance and the like of the on-site equipment, so that the application flexibility of the simulation device is improved.
Preferably, the input/output module includes several types of input/output interfaces;
and the input and output interface is connected with the turbine protection and control system through hard wiring and is used for transmitting different types of signals.
In the scheme, various types of input and output interfaces are arranged in the input and output module, so that various types of signal transmission can be realized between the simulation device and a control cabinet of the steam turbine protection and control system, and the expandability of the simulation device is improved.
Preferably, the input/output interface includes at least one of a pulse quantity output interface, an analog quantity output interface, a switching quantity output interface, an analog quantity input interface, and a switching quantity input interface.
In the scheme, the input and output interfaces of different types such as analog quantity, switching value and pulse quantity are arranged, so that the simulation device can simulate different signals, and further different simulation requirements of a steam turbine protection and control system can be met.
Preferably, the simulation module comprises a protection simulation unit;
the protection simulation unit is used for simulating a tripping signal of the turbine protection and control system so as to verify the correctness of a tripping protection logic in the control logic.
In the scheme, the correctness and the integrity of the protection logic of the steam turbine protection and control system can be verified by designing the simulation logic corresponding to the protection logic.
Preferably, the simulation module comprises a control simulation unit;
the control simulation unit is used for simulating the steam turbine protection and control system to obtain a plurality of operating parameters of the steam turbine.
In the scheme, the correctness and the integrity of the control logic of the steam turbine protection and control system can be verified by designing the simulation logic corresponding to the control logic.
Preferably, the simulation module is further configured to generate simulation results in different simulation modes;
the simulation device also comprises a display module connected with the simulation module;
the display module is used for displaying the simulation result.
In the scheme, the display module is arranged in the simulation device to display the simulation result, so that a user can conveniently control the simulation device.
The positive progress effects of the invention are as follows: through setting up multiple different simulation mode, simulate steam turbine protection and control system's different application stage, can satisfy the simulation demand in this system's the whole life cycle, and then can guarantee steam turbine protection and control system's control logic's exactness and integrality, can also improve the convenience that the user operated, debugged this system simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a simulation apparatus of a steam turbine protection and control system according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a simulation apparatus of a steam turbine protection and control system according to embodiment 2 of the present invention.
Fig. 3 is a connection diagram of a first pure simulation mode of a simulation apparatus of a steam turbine protection and control system according to embodiment 2 of the present invention.
Fig. 4 is a connection diagram of a second pure simulation mode of the simulation apparatus of the steam turbine protection and control system according to embodiment 2 of the present invention.
Fig. 5 is a connection diagram of a hybrid simulation model of the simulation apparatus of the steam turbine protection and control system according to embodiment 2 of the present invention.
Fig. 6 is a schematic protection logic diagram of a simulation apparatus of a steam turbine protection and control system according to embodiment 2 of the present invention.
Fig. 7 is a schematic control logic diagram of a simulation apparatus of a steam turbine protection and control system according to embodiment 2 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The embodiment provides a simulation device of a steam turbine protection and control system, as shown in fig. 1, the simulation device comprises an input and output module 1 and a simulation module 2 which are connected with each other;
the input and output module 1 is used for receiving a steam turbine control signal and outputting a signal generated by the simulation module based on simulation logic, wherein the steam turbine control signal is generated based on control logic in a steam turbine protection and control system;
the simulation module 2 is used for simulating the steam turbine protection and control system by adopting various types of simulation modes according to the steam turbine control signal; wherein the different simulation modes correspond to different operation modes of the simulation apparatus.
The steam turbine protection and control system has different simulation requirements in different application stages, and the simulation requirements are as follows:
(1) Before the design and delivery of a steam turbine protection and control system, a simulation device is used for assisting the system to carry out correctness verification test on software design (including logic design, picture design and the like); and the correctness verification test before formal use is carried out after the system software is upgraded and optimized.
(2) Before the steam turbine protection and control system is formally debugged, the simulation device is used for verifying the correctness and the integrity of each control function of the system, and can also be used for training debugging personnel and operating personnel.
(3) In the formal debugging stage of the steam turbine protection and control system, the steam turbine protection and control system is connected with a simulation device and an actual steam turbine valve of field equipment, joint debugging is carried out on the steam turbine protection and control system, and the actual control function and performance of the system are verified to meet the normative requirement before the steam turbine is started.
(4) After the power plant is put into operation, the simulation device is used for training technicians.
(5) During the maintenance of the power plant, the simulation device is used for testing the valve of the steam turbine.
At different application stages of the steam turbine protection and control system, the simulation module receives a steam turbine control signal generated by the control logic of the system, and simulates the steam turbine protection and control system by adopting a corresponding simulation mode so as to assist the test and debugging of the system.
The simulation device of the steam turbine protection and control system provided by the embodiment simulates different application stages of the steam turbine protection and control system by setting multiple different simulation modes, can meet the simulation requirements in the whole life cycle of the system, further can ensure the correctness and integrity of the control logic of the steam turbine protection and control system, and can also improve the convenience of operating and debugging the system by a user.
Example 2
On the basis of embodiment 1, the present embodiment provides a simulation apparatus for a turbine protection and control system.
In an implementable scheme, the multiple types of simulation modes comprise a first pure simulation mode, a second pure simulation mode and a mixed simulation mode;
the first pure simulation mode independently simulates corresponding to the simulation device;
the second pure simulation mode jointly simulates the simulation device and the steam turbine protection and control system;
and the hybrid simulation mode jointly simulates the simulation device, the steam turbine protection and control system and the steam turbine.
In the pre-debugging stage, the steam turbine protection and control system does not have a control cabinet, and the designed control logic of the system needs to be stored in a simulation device to be simulated in a first pure simulation mode.
In the debugging stage, the turbine protection and control system is provided with a control cabinet, the system is connected with a simulation device, and simulation is carried out in a second pure simulation mode.
In the operation stage, the steam turbine protection and control system is connected with the on-site equipment of the actual steam turbine, and the simulation device and the control cabinet are sequentially connected with the actual on-site equipment to perform simulation in a hybrid simulation mode.
In the scheme, the simulation device simulates the steam turbine protection and control system by adopting different simulation modes, can adapt to different simulation requirements of the system, and comprehensively ensures the normal operation of the steam turbine protection and control system in the whole process.
In an implementation, as shown in fig. 2, in the first pure simulation mode, the simulation module is further configured to execute the control logic of the turbine protection and control system.
Specifically, as shown in fig. 3, in the first pure simulation mode, the simulation apparatus is not connected to the control cabinet and the on-site equipment, the simulation logic and the control logic of the turbine protection and control system (i.e., the turbine configuration in the figure) are implemented in the controller (i.e., the CU in the figure) or the virtual CU of the simulation apparatus (i.e., the simulated trolley in the figure), and the simulation apparatus is separated from the control cabinet of the turbine protection and control system and the actual on-site equipment to operate and perform simulation independently. The simulation trolley can be connected with a PC (personal computer) for control and display. At this time, the simulation module is also used for executing the control logic of the steam turbine protection and control system.
In the scheme, the control logic of the steam turbine protection and control system is executed through the simulation module, so that the simulation device can be separated from an actual control cabinet and on-site equipment for independent simulation, and the application flexibility of the simulation device can be improved.
In an embodiment, in the second pure simulation mode, the input/output module 1 is connected to the turbine protection and control system by hard wiring.
Specifically, as shown in fig. 4, in the second pure simulation mode, signals are transmitted between the control cabinet of the turbine protection and control system and the input/output module of the simulation device through hard wiring. The control cabinet transmits a steam turbine control signal (namely, a control instruction in the figure) to the simulation device, the simulation device transmits a simulation signal to the control cabinet, and the PC is used for controlling and displaying the simulation device. There is no hard-wired connection between the control cabinet and the actual on-site equipment.
In the scheme, the simulation device is connected with the actual control cabinet for simulation through the second pure simulation mode, so that the control cabinet can be debugged, and the application flexibility of the simulation device is improved.
In an implementable scheme, in the hybrid simulation mode, the input/output module is sequentially connected with the turbine protection and control system and other preset equipment of the turbine through hard wiring.
Specifically, as shown in fig. 5, in the hybrid simulation mode, signals are transmitted between a control cabinet of the steam turbine protection and control system and the simulation device through hard wiring, the control cabinet transmits steam turbine control signals to the simulation device, the simulation device transmits simulation signals to the control cabinet, and the PC is used for controlling and displaying the simulation device. The control cabinet is also in hard-wired connection with actual on-site equipment, and signal transmission of valve instructions and valve positions is realized.
In the scheme, the simulation device is connected with an actual control cabinet and on-site equipment for simulation through a mixed simulation mode, and can be applied to the stages of on-site equipment maintenance and the like, so that the application flexibility of the simulation device is improved.
In one implementation, the input/output module includes several types of input/output interfaces;
the input and output interface is connected with the turbine protection and control system through hard wiring and is used for transmitting different types of signals.
In the scheme, various types of input and output interfaces are arranged in the input and output module, so that various types of signal transmission can be realized between the simulation device and a control cabinet of the steam turbine protection and control system, and the expandability of the simulation device is improved.
In an implementation scheme, the input/output interface includes at least one of a pulse quantity output interface, an analog quantity output interface, a switching quantity output interface, an analog quantity input interface, and a switching quantity input interface.
It should be noted that the types of the input/output interfaces may include, but are not limited to, the above-mentioned types, and are specifically configured according to the simulation requirements of the turbine protection and control system.
In the scheme, the input and output interfaces of different types such as analog quantity, switching value and pulse quantity are arranged, so that the simulation device can simulate different signals, and further different simulation requirements of a steam turbine protection and control system can be met.
The simulation trolley needs to design a set of simulation logic matched with the configuration logic of the turbine protection and control system software.
In one implementation, the simulation module includes a protection simulation unit;
the protection simulation unit is used for simulating a trip signal of the turbine protection and control system so as to verify the correctness of the trip protection logic in the control logic.
The generation logic of the simulation signal is divided into analog quantity and switching value, and the part of control logic is designed in a controller where the simulation trolley is located when in a second pure simulation mode and a mixed simulation mode and is connected to a control cabinet of the steam turbine protection and control system through hard wiring, and the configuration of the simulation logic is not needed in the control cabinet; in the first pure simulation mode, the part of simulation configuration is designed in a controller of the simulation trolley, at the moment, the configuration logic of the steam turbine protection and control system needs to be synchronously configured and implemented in the simulation trolley, and the corresponding sequence needs to be configured and related signals to receive the output of the simulation logic.
As shown in fig. 6, the specific simulation implementation concept of the trip protection logic is as follows:
1) 4 sets of same simulation logics are designed in the A/B/C/D sequence respectively, for example, signals such as vacuum low, bearing oil pressure low, low pressure cylinder exhaust temperature high and the like are simulated in the A/B/C/D sequence, a signal is simulated in the A sequence, the tripping signal point of the A/B/C/D sequence is sent, other sequences are similar, and the real situation of a field is simulated, so that when tripping is simulated, 1 signal is only needed to be simulated, and the simultaneous action of 4 sequences can be realized;
2) Meanwhile, considering that no real field device tripping action signal feedback exists in a simulation test, tripping signals need to be simulated in the whole closed loop, the completed closed loop can be formed only by triggering a first tripping condition for realizing thinking in the simulation process, and signals directly related to tripping in the process are emergency tripping oil pressure low signals, so that power failure signals of 4 shutdown solenoid valves are respectively simulated in an A/B/C/D sequence according to tripping logic, double two-way operation is carried out, when tripping is met, action is simulated, shutdown is triggered, the signals are simultaneously sent to the A/B/C/D sequence, and the emergency tripping oil pressure low signals are simulated;
3) The conditions triggering the shutdown of the steam turbine, such as a vacuum low-pressure signal and a low-pressure cylinder exhaust temperature signal, are determined according to the trip function requirement of the steam turbine protection and control system, and the signal value can be simulated to change in a mode of simulating a picture change value;
4) Simulating an interface signal from a turbine protection and control system;
5) Simulating on-site actuators or operating devices such as a manual brake lever, AST (electromagnetic valve) solenoid valve;
6) Simulating signals triggering shutdown from other systems, such as a generator system, a main instrument control system and a nuclear power plant protection system;
7) And simulating the switching-on reset operation after tripping.
In the scheme, the correctness and the integrity of the protection logic of the steam turbine protection and control system can be verified by designing the simulation logic corresponding to the protection logic.
In one embodiment, the simulation module includes a control simulation unit;
the control simulation unit is used for simulating a steam turbine protection and control system so as to obtain a plurality of operating parameters of the steam turbine.
The steam turbine protection and control system sends a valve instruction, simulation is carried out through the main steam turbine model, power and rotating speed are finally generated, and simulation of main functions of steam turbine rush-transfer, initial load carrying, grid connection, power lifting, splitting, steam turbine idling and the like is achieved. Meanwhile, simulation design is also carried out on some special working conditions such as RunBack (auxiliary machine fault load reduction), OPC (over-speed protection control) action and the like, and simulation logic mainly comprises the following steps:
(1) Modeling simulation of valve cards
(2) Modeling simulation of servo valve
(3) Modeling simulation of oil-filled engine
(4) Steam valve device and valve flow characteristic modeling simulation
(5) Modeling simulation of high-pressure cylinder and medium-pressure cylinder models
(6) Rotation balance calculation model
(7) Simulation of OPC working condition and Runback working condition
(8) Simulation of valve test condition
(9) Simulation of objects such as valve, rotating speed and power under tripping condition of steam turbine
(10) Simulation association with steam turbine protection system interface signals
(11) Regulated stage pressure simulation
The design idea of the simulation logic of the control part is mainly to make the simulation logic of the gas flow distribution part, reversely distribute the flow according to the valve curve, and simultaneously receive a shutdown signal from a protection ABCD sequence as the basis of the control logic.
As shown in fig. 7, the specific simulation implementation concept of the control logic is as follows:
1) The whole closed-loop logic of the turbine trip is realized in the simulation software of the protection part, and the trip signal can be directly introduced in the simulation software logic of the control part;
2) Simulating to generate 3 OPC action signals for the control part simulation software to use when triggering the OPC action according to the condition of the OPC action;
3) Simulating valve position feedback of the reheat regulating valve according to a valve position output instruction of the reheat regulating valve, and simulating a fixed valve position when conditions such as tripping of a steam turbine, OPC (optical proximity correction) action or test solenoid valve action are met;
4) Simulating a reheat main steam valve position according to the working condition, wherein the simulation of the reheat main steam valve position fixing valve position is performed when the steam turbine trips, and the simulation of the reheat main steam valve position fixing valve position is performed under the conditions of testing the action of an electromagnetic valve and the like;
5) Simulating valve position feedback of the main steam valve according to a valve position output instruction of the main steam valve, and simulating a fixed valve position when a steam turbine trips or OPC (optical proximity correction) action or a test solenoid valve action and other conditions;
6) Simulating valve position feedback of the main regulating valve according to a valve position output instruction of the main regulating valve, and simulating a fixed valve position when conditions such as tripping of a steam turbine, OPC (optical proximity correction) action or test solenoid valve action and the like exist;
7) Simulating an integral gas flow value according to small values of all opening degrees of all main steam valves and all main regulating valves, and simulating parameters such as the steam turbine rotating speed, the generating power, the regulating stage pressure and the like of a regulating department according to the integral flow and the relevant values;
the realization of the steam turbine regulation simulation closed loop is realized through the simulation logic construction of the parameters.
In the scheme, the correctness and the integrity of the control logic of the steam turbine protection and control system can be verified by designing the simulation logic corresponding to the control logic.
In an implementable scheme, the simulation module is further configured to generate simulation results in different simulation modes;
as shown in fig. 2, the simulation apparatus further includes a display module 3 connected to the simulation module 2;
the display module 3 is used for displaying the simulation result.
The display module 3 may be a computer display screen.
In the scheme, the display module is arranged in the simulation device to display the simulation result, so that a user can conveniently control the simulation device.
Taking a specific simulation device as an example, the configuration list of the simulation trolley is shown in table 1:
TABLE 1
Wherein, nuCON is a control platform. The controller of the NuCON platform is a low-power-consumption fan-free embedded compact industrial computer based on an X86 architecture, and adopts an INTEL ATOM processor N455, a main frequency of 1.66GHz, a secondary cache 512KB, a 1G, a DDR3 and a 667MHz memory, a dual-redundancy power supply design with a high-low voltage detection protection function and a wide voltage working range; the FPGA (a chip) is adopted to realize the functions of network communication, network timing, system alarm and the like; has high reliability and stability.
The selection and the use number of the cards in the configuration list are determined according to the number of the needed simulation signals. Aiming at the signal transmission between the simulation trolley and the steam turbine control cabinet in the technical scheme, the simulation trolley mainly comprises the following components:
1) Simulation trolley → pulse signal of the steam turbine control cabinet, AO (analog output) card + frequency converter is configured on the simulation trolley side;
2) Simulation trolley → analog quantity signal of the steam turbine control cabinet, AO fastener is configured on the simulation trolley side;
3) Simulation trolley → switching value signal of the steam turbine control cabinet, and DO (digital output) card piece is configured at the simulation trolley side;
4) Steam engine control cabinet → analog quantity signal of the simulation trolley, AI (analog quantity input) card is configured at the side of the simulation trolley;
5) Steam engine control cabinet → simulation trolley switching value signal, simulation trolley side configuration DI (digital input) fastener.
Simulation trolley → pulse signal of steam turbine control cabinet:
the rotating speed signal is a pulse signal, for the simulation of the rotating speed signal in the control cabinet, corresponding AO clamping pieces are required to be configured on the simulation trolley, and meanwhile, corresponding number of frequency converters (the number of the frequency converters is consistent with that of the pulse signal) are provided, so that the rotating speed signal is simulated by the simulation trolley, 4-20 MA signals are sent to the frequency converters by the AO clamping pieces and converted into the pulse signal, and then the pulse signal is transmitted to the AI clamping piece of the control cabinet by a hardware wire.
Simulation trolley → analog quantity signal of the steam turbine control cabinet:
the signals mainly comprise generator power, generator current, steam turbine regulating pressure and steam turbine low-pressure cylinder pressure, corresponding AO clamping pieces are required to be configured on the simulation trolley, 4-20 MA signals are sent through the AO clamping pieces, and the signals are transmitted to AI clamping pieces of the control cabinet through hardware wires.
Simulation trolley → switching value signal of steam turbine control cabinet:
the signals mainly comprise RB signals, synchronous signals and various breaker opening/closing signals, a corresponding DO clamping piece needs to be configured on the simulation trolley, the DO clamping piece sends 0/1 signals, and the signals are transmitted to the DI clamping piece of the control cabinet through a hardware line.
Steam engine control cabinet → analog quantity signal of the simulated trolley:
valve position signals of a main steam valve and a regulating valve of the steam turbine need to be configured with corresponding AI clamping pieces on the simulation trolley, 4-20 MA signals are sent by the AO clamping pieces on the side of the control cabinet and are transmitted to the AI clamping pieces of the simulation trolley through hardware lines. It should be noted here that if there is no AO cartridge in the control cabinet, an AO cartridge meeting the need needs to be additionally and temporarily configured.
Steam engine control cabinet → switching value signal of the simulated trolley:
the signals mainly comprise a steam engine tripping signal and an OPC action signal, a corresponding DI clamping piece is required to be configured on the simulation trolley, and a DO clamping piece on the side of the control cabinet sends a 0/1 signal which is transmitted to the DI clamping piece of the simulation trolley through a hardware wire.
It should be noted that, in each stage of the simulation apparatus after being actually put into use, an operator can select a corresponding simulation mode according to needs, and the simulation apparatus is not limited by the above-mentioned stages of debugging, maintenance and the like.
The simulation device of the steam turbine protection and control system provided by the embodiment can meet various simulation requirements by setting different simulation modes and different input and output units, thereby ensuring the correctness and integrity of the logic design of the steam turbine protection and control system and improving the convenience of use of users.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The simulation device of the steam turbine protection and control system is characterized by comprising an input/output module and a simulation module which are connected with each other;
the input and output module is used for receiving a steam turbine control signal and outputting a signal generated by the simulation module based on simulation logic, and the steam turbine control signal is generated based on control logic in the steam turbine protection and control system;
the simulation module is used for simulating the steam turbine protection and control system by adopting various types of simulation modes according to the steam turbine control signal; wherein the different simulation modes correspond to different operation modes of the simulation device.
2. The simulation apparatus of a turbine protection and control system of claim 1, wherein the plurality of types of simulation modes include a first pure simulation mode, a second pure simulation mode, and a hybrid simulation mode;
the first pure simulation mode is used for independently simulating corresponding to the simulation device;
the second pure simulation mode jointly simulates the simulation device and the steam turbine protection and control system;
and the hybrid simulation mode jointly simulates the simulation device, the steam turbine protection and control system and the steam turbine.
3. The steam turbine protection and control system simulation of claim 2, wherein the simulation module is further configured to execute the control logic of the steam turbine protection and control system during the first pure simulation mode.
4. The steam turbine protection and control system simulation arrangement of claim 2, wherein in the second pure simulation mode, the input output module is hard wired to the steam turbine protection and control system.
5. The simulation apparatus of a turbine protection and control system according to claim 2, wherein the input output module is sequentially connected to the turbine protection and control system and other preset equipment of the turbine through hard wiring in the hybrid simulation mode.
6. The simulation system of a turbine protection and control system of claim 1, wherein the input output module comprises a plurality of types of input output interfaces;
and the input and output interface is connected with the turbine protection and control system through hard wiring and is used for transmitting different types of signals.
7. The simulation system of a turbine protection and control system of claim 6, wherein the input and output interface comprises at least one of a pulse quantity output interface, an analog quantity output interface, a switching quantity output interface, an analog quantity input interface, and a switching quantity input interface.
8. The steam turbine protection and control system simulation arrangement of any of claims 1 to 7, wherein the simulation module comprises a protection simulation unit;
and the protection simulation unit is used for simulating a tripping signal of the turbine protection and control system so as to verify the correctness of a tripping protection logic in the control logic.
9. The steam turbine protection and control system simulation arrangement of any of the claims 1 to 7, wherein the simulation module comprises a control simulation unit;
the control simulation unit is used for simulating the steam turbine protection and control system to obtain a plurality of operating parameters of the steam turbine.
10. The steam turbine simulation apparatus of claim 1, wherein the simulation module is further configured to generate simulation results in different ones of the simulation modes;
the simulation device also comprises a display module connected with the simulation module;
the display module is used for displaying the simulation result.
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