High-temperature gas cooled reactor switching station charging on-load verification method and device

Abstract

The invention relates to the technical field of nuclear power, and discloses a high-temperature gas cooled reactor switching station charging on-load verification method and device, a first end of a switching station is connected with a first power grid, and a second end of the switching station is connected with a generator, an electric boiler, a second power grid and a high-temperature gas cooled reactor through a demonstration project. Detecting whether the first power grid reversely sends the power supply; and when the power supply is reversely supplied, an internal current path of the demonstration project is changed, so that the electric boiler is used as an on-load load to carry out on-load verification on the switching station. By changing the operation mode of the electrical loop and using the in-plant auxiliary electric boiler as the load, the method does not need to lease the load, and is easy to implement, simple to operate, time-saving and low in cost.

Description

Technical Field

[0001] The present invention relates to the field of nuclear power technology, and in particular to a method and device for verifying charging load at a high-temperature gas-cooled reactor switch station. Background Art

[0002] The high-temperature gas-cooled reactor demonstration project (hereinafter referred to as the "demonstration project") adopts a mode of two reactors driving a set of steam turbine generators. The rated capacity of a single reactor is 250MW, and the rated power of the steam turbine generator is 211MW. The steam turbine generator is connected to the main transformer through the export circuit breaker, and the main transformer high-voltage side circuit breaker is connected to the 220kV switch station. The switch station of the demonstration project is 220kV voltage level, double bus connection, one main transformer incoming line, and two 220kV outgoing lines are connected to the power grid respectively; the steam turbine generator is connected to the 6kV A section and 6kV B section of the plant through the export circuit breaker, the high-voltage plant transformer, and the working incoming line circuit breaker of each plant to supply power to the plant load; the auxiliary power supply is 110kV voltage level, from the 110kV line, through the auxiliary transformer high-voltage side circuit breaker, through the auxiliary transformer, and through the standby incoming line circuit breakers of each plant, to the 6kV A section, 6kV B section and 6kV C section of the plant.

[0003] The live load verification of the 220kV switch station is an important test project of the demonstration project. Only by conducting load verification can it be effectively determined whether the equipment in the 220kV switch station is in normal working condition; only by verifying the live load can the wiring method and the protection device design scheme in the 220kV switch station system be effectively checked, so as to find out the wrong wiring method in time and improve the protection device design scheme.

[0004] During the load calibration of the 220kV switch station in the demonstration project, it was found that: since the 6kVI and II sections of the high-voltage transformer substation did not have a large load, they could not meet the load test requirements. Therefore, it was necessary to develop a new load test scheme, which is suitable for the load calibration of the 220kV switch station in the demonstration project, to verify whether the protection operating parameters of the protection device, CT ratio, CT polarity, balance coefficient and other parameter settings and AC secondary circuit wiring are correct. Summary of the invention

[0005] In view of this, the present invention provides a method and device for charging load calibration of a high-temperature gas-cooled reactor switch station to solve the problem of how to perform load calibration on the switch station.

[0006] In a first aspect, the present invention provides a method for charging and load verification of a high-temperature gas-cooled reactor switch station, wherein a first end of the switch station is connected to a first power grid, and a second end of the switch station is respectively connected to a generator, an electric boiler, a second power grid, and a high-temperature gas-cooled reactor through a demonstration project. The method comprises: before the demonstration project generates electricity, detecting whether the first power grid reverses the power supply; when the power supply is reversed, changing the internal current path of the demonstration project so that the electric boiler acts as a load, and performing a load verification on the switch station.

[0007] The present invention changes the operation mode of the electrical circuit and utilizes the auxiliary electric boiler in the factory as the load, which does not require load leasing, is easy to implement, simple to operate, saves time and has low cost.

[0008] The present invention is developed based on the operating characteristics of the high-temperature reactor demonstration project and can be applied to subsequent multi-module high-temperature gas-cooled reactor nuclear power units through technical modification, and has good application prospects.

[0009] In an optional embodiment, the demonstration project includes: a main transformer, an auxiliary transformer, a high-voltage transformer, a first circuit breaker, a second circuit breaker, a third circuit breaker, a fourth circuit breaker, a fifth circuit breaker, a sixth circuit breaker, a seventh circuit breaker, an eighth circuit breaker and a ninth circuit breaker, wherein the switch station is connected to the first end of the main transformer through the first circuit breaker; the second end of the main transformer is connected to the generator through the second circuit breaker, and the second end of the main transformer is also connected to the first end of the high-voltage transformer; the second end of the high-voltage transformer is connected to the first bus through the third circuit breaker, and the third end of the high-voltage transformer is connected to the second bus through the fourth circuit breaker; the second power grid is connected to the first end of the auxiliary transformer through the fifth circuit breaker; the second end of the auxiliary transformer is connected to the first bus through the sixth circuit breaker, the second end of the auxiliary transformer is connected to the second bus through the seventh circuit breaker, and the second end of the auxiliary transformer is connected to the third bus through the eighth circuit breaker; the electric boiler is connected to the third bus through the ninth circuit breaker.

[0010] In an optional implementation, the process of changing the internal current path of the demonstration project includes: closing the first circuit breaker, the third circuit breaker, and the fourth circuit breaker; closing the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker; and opening the fifth circuit breaker.

[0011] In an optional embodiment, the fourth circuit breaker and the seventh circuit breaker are controlled by a two-out-of-one locking logic, and the fifth circuit breaker and the sixth circuit breaker are controlled by a two-out-of-one locking logic. The process of changing the internal current path of the demonstration project includes: closing the first circuit breaker; releasing the two-out-of-one locking logic of the fourth circuit breaker and the seventh circuit breaker, and releasing the two-out-of-one locking logic of the fifth circuit breaker and the sixth circuit breaker; closing the third circuit breaker and the fourth circuit breaker; closing the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker; and opening the fifth circuit breaker.

[0012] In an optional embodiment, before the generator generates electricity in the demonstration project, the method also includes: closing the third circuit breaker, the eighth circuit breaker, and the ninth circuit breaker; closing the first circuit breaker; controlling the fourth circuit breaker and the seventh circuit breaker with a two-out-of-one locking logic, and controlling the fifth circuit breaker and the sixth circuit breaker with a two-out-of-one locking logic.

[0013] In an optional embodiment, when the demonstration project operates normally and the first power grid does not reverse the power supply, the method also includes: closing the first circuit breaker and the second circuit breaker; closing the fourth circuit breaker and the fifth circuit breaker; and opening the third circuit breaker, the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker and the ninth circuit breaker.

[0014] In the second aspect, the present invention provides a high-temperature gas-cooled reactor switch station charging load verification device, a high-temperature gas-cooled reactor switch station charging load verification method based on the first aspect and any optional implementation manner thereof, the device comprising: a detection module, used to detect whether the first power grid reverses the power supply before the demonstration project generates electricity; a control module, used to change the internal current path of the demonstration project when the power supply is reversed, so that the electric boiler acts as a load, and the switch station is subjected to load verification.

[0015] In a third aspect, the present invention provides a computer device, comprising: a memory and a processor, the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the high-temperature gas-cooled reactor switch station charging load verification method of the first aspect or any corresponding embodiment thereof by executing the computer instructions.

[0016] In a fourth aspect, the present invention provides a computer-readable storage medium having computer instructions stored thereon, the computer instructions being used to enable a computer to execute the method for charging and load verification of a high-temperature gas-cooled reactor switch station according to the first aspect or any corresponding embodiment thereof.

[0017] In a fifth aspect, the present invention provides a computer program product, including computer instructions, which are used to enable a computer to execute the high-temperature gas-cooled reactor switch station charging load verification method of the above-mentioned first aspect or any corresponding embodiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a composition diagram of the demonstration project;

[0020] Figure 2 It is a flow chart of a method for charging and load verification of a high temperature gas-cooled reactor switch station according to an embodiment of the present invention;

[0021] Figure 3 It is the specific structural diagram of the demonstration project;

[0022] Figure 4 is a load path diagram according to an embodiment of the present invention;

[0023] Figure 5 It is a schematic diagram of the hardware structure of a computer device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0025] According to an embodiment of the present invention, an embodiment of a method for verifying the charging load of a high-temperature gas-cooled reactor switch station is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0026] In this embodiment, a method for verifying the charging load of a high-temperature gas-cooled reactor switch station is provided. Figure 1 As shown, the first end of the switch station is connected to the first power grid, and the second end of the switch station is connected to the generator, the electric boiler, the second power grid, and the high temperature gas-cooled reactor through the demonstration project. Figure 2 As shown, the high temperature gas-cooled reactor switch station charging load verification method includes:

[0027] Step S1: Before the demonstration project generates power, detect whether the first power grid reverses the power supply.

[0028] Step S2: When the power is reversed, the internal current path of the demonstration project is changed so that the electric boiler is used as a load and the switch station is checked with load.

[0029] Specifically, the demonstration project is actually a distribution network, which can transmit the electric energy of the first power grid, generator, and second power grid to multiple bus sections, or transmit the electric energy of the first power grid, generator, and second power grid to electric boilers. In order to realize the load verification of the switch station, the on-off state of each circuit breaker inside the demonstration project is controlled to improve the flow path of electric energy, so that the electric boiler is the load, and verify whether the protection operating parameters of the protection device, CT ratio, CT polarity, balance coefficient and other parameter settings and AC secondary circuit wiring are correct.

[0030] Optionally, according to the electrical wiring characteristics of the demonstration project's 220kV switch station, transformer, plant section, steam turbine generator, etc., by controlling the opening and closing of the plant section circuit breaker, the original electrical wiring form is adjusted so that the 220kV power supply of the power grid is fed back to the main transformer through the demonstration project's 220kV switch station, and then through the plant's working incoming line circuit breaker to the plant's 6kV A section and the plant's 6kV B section in parallel, and then through the plant's standby incoming line circuit breaker to the plant's 6kV C section and the plant's 6kV D section, with the auxiliary electric boiler in the plant, so that the auxiliary electric boiler is loaded, thereby achieving the purpose of load verification of the demonstration project's 220kV switch station.

[0031] In some optional embodiments, such as Figure 3 As shown, the demonstration project includes: main transformer, auxiliary transformer, high-voltage transformer, first circuit breaker QF1, second circuit breaker QF2, third circuit breaker QF3, fourth circuit breaker QF4, fifth circuit breaker QF5, sixth circuit breaker QF6, seventh circuit breaker QF7, eighth circuit breaker QF8 and ninth circuit breaker QF9.

[0032] like Figure 3 As shown, the switch station is connected to the first end of the main transformer through the first circuit breaker; the second end of the main transformer is connected to the generator through the second circuit breaker, and the second end of the main transformer is also connected to the first end of the high-voltage transformer; the second end of the high-voltage transformer is connected to the first bus through the third circuit breaker, and the third end of the high-voltage transformer is connected to the second bus through the fourth circuit breaker; the second power grid is connected to the first end of the auxiliary transformer through the fifth circuit breaker; the second end of the auxiliary transformer is connected to the first bus through the sixth circuit breaker, the second end of the auxiliary transformer is connected to the second bus through the seventh circuit breaker, and the second end of the auxiliary transformer is connected to the third bus through the eighth circuit breaker; the electric boiler is connected to the third bus through the ninth circuit breaker.

[0033] Specifically, refer to Figure 3Before the generator of the demonstration project generates electricity, the first power supply of the demonstration project is an auxiliary power supply. The power transmission path is that the 110kV power grid sends the power to the auxiliary transformer, and then sends it to the 6kV A section of the plant through the seventh circuit breaker QF7, and then to the 6kV B section of the plant through the sixth circuit breaker QF6, and then to the 6kV C section of the plant through the eighth circuit breaker QF8, and then to the electric boiler through the ninth circuit breaker QF9. The second power supply of the demonstration project is the main power supply. The power transmission path is that the 220kV power grid sends the power back to the 220kV switch station of the demonstration project, and then sends it to the main transformer through the first circuit breaker QF1, to the high plant transformer, and then to the 6kV A section of the plant through the fourth circuit breaker QF4, and then to the 6kV B section of the plant through the fifth circuit breaker QF5. Among them, the fourth circuit breaker QF4 and the seventh circuit breaker QF7 of the 6kV A section of the connecting plant adopt a two-out-of-one locking logic. When power is supplied, one of the circuit breakers is closed and the other is open and in a standby state; the fifth circuit breaker QF5 and the sixth circuit breaker QF6 of the 6kV B section of the connecting plant adopt a two-out-of-one locking logic. When power is supplied, one of the circuit breakers is closed and the other is open and in a standby state.

[0034] In some optional implementations, the process of changing the internal current path of the demonstration project includes:

[0035] (1) Close the first circuit breaker, the third circuit breaker, and the fourth circuit breaker;

[0036] (2) Close the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker;

[0037] (3) Disconnect the fifth circuit breaker.

[0038] Specifically, the 220kV switch station load calibration can adopt the traditional solution 1, that is, using the charging load when the line is empty and charged. However, due to the short line from the demonstration project to the substation and the small charging power, it cannot meet the secondary measurement requirements of the load calibration (according to the measuring instrument range, the secondary measurement value is not less than 20mA). This calibration method is not suitable for the demonstration project; Solution 2 is to rent the load and improve the secondary measurement requirements. This method requires high costs, and also requires commercial bidding, subsequent installation, wiring and protection configuration. Through the above problems, it is necessary to develop a 220kV switch station load calibration solution using the demonstration project. The auxiliary electric boiler configured in the demonstration project is used to provide load steam for the deaerator, auxiliary steam header, shaft seal, etc. in front of the unit turbine, so the designed rated power is relatively large, and the auxiliary electric boiler is considered as the load.

[0039] Specifically, the first circuit breaker on the high-voltage side of the main transformer is closed, and the fourth and fifth circuit breakers on the low-voltage side of the high-voltage transformer are closed, while the third circuit breaker on the high-voltage side of the auxiliary transformer is opened, and the eighth and ninth circuit breakers are closed, so that the electric boiler is used as the load of the switch station. The specific load path is as follows: Figure 4Middle dotted line.

[0040] In some optional embodiments, the control of the fourth circuit breaker and the seventh circuit breaker is a two-out-of-one locking logic, and the control of the fifth circuit breaker and the sixth circuit breaker is a two-out-of-one locking logic, that is, the circuit breaker controlled by the two-out-of-one locking logic is that when one of the two circuit breakers is closed, the other circuit breaker is opened.

[0041] The process of changing the current path within the demonstration project includes:

[0042] (1) Close the first circuit breaker;

[0043] (2) releasing the two-out-of-one blocking logic of the fourth circuit breaker and the seventh circuit breaker, and releasing the two-out-of-one blocking logic of the fifth circuit breaker and the sixth circuit breaker;

[0044] (3) Close the third circuit breaker and the fourth circuit breaker;

[0045] (4) Close the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker;

[0046] (5) Disconnect the fifth circuit breaker.

[0047] Specifically, refer to Figure 4 , close the first circuit breaker on the high-voltage side of the main transformer, close the fourth circuit breaker and the fifth circuit breaker, the 6kV A section and the 6kV B section of the plant are powered by the main power supply, release the two-out-of-one blocking logic of the fourth circuit breaker and the seventh circuit breaker of the 6kV A section of the plant, release the two-out-of-one blocking logic of the fifth circuit breaker and the sixth circuit breaker of the 6kV B section of the plant, disconnect the third circuit breaker of the auxiliary transformer, close the sixth circuit breaker, the seventh circuit breaker and the eighth circuit breaker, close the ninth circuit breaker, and make the electric boiler a load. The specific load path is as follows: Figure 4 Middle dotted line.

[0048] This embodiment fully considers that before the two branches on the low-voltage side of the high-voltage transformer are connected in parallel, the loads on the two branches are small and the circulating current is small. The two branches on the low-voltage side of the high-voltage transformer can operate with load, so that the two windings on the low-voltage side of the high-voltage transformer are shunted, and the current in each branch on the low-voltage side is halved, reducing the overload problem on the low-voltage side of the high-voltage transformer.

[0049] In some optional implementations, before the generator generates electricity, the method of the demonstration project further includes:

[0050] (1) Close the third circuit breaker, the eighth circuit breaker, and the ninth circuit breaker;

[0051] (2) Close the first circuit breaker;

[0052] (3) The control of the fourth circuit breaker and the seventh circuit breaker is a two-out-of-one blocking logic, and the control of the fifth circuit breaker and the sixth circuit breaker is a two-out-of-one blocking logic.

[0053] Specifically, refer to Figure 3 Before the demonstration project generates electricity, when the 220kV power grid reverses the power supply, it is necessary to carry out a 220kV switch station load calibration on the in-plant equipment (main transformer, high-voltage transformer, current transformer, etc.) to verify the protection operating parameters of the protection device, the transformation ratio of the current transformer (T1, T2, T5, T6), the polarity of the current transformer, the balance coefficient and other parameter settings and the correctness of the AC secondary circuit wiring.

[0054] In some optional implementations, when the demonstration project operates normally and the first power grid does not reverse the power supply, the method further includes:

[0055] (1) Close the first circuit breaker and the second circuit breaker;

[0056] (2) Close the fourth circuit breaker and the fifth circuit breaker;

[0057] (3) Disconnect the third circuit breaker, the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker.

[0058] Specifically, refer to Figure 3 When the demonstration project is operating normally, the generator generates power, one way is through the circuit breaker QF2 to the main transformer, through the circuit breaker QF1 to the 220kV switch station, and sent to the 220kV power grid; the other way is through the circuit breaker QF2 to the high-voltage transformer, through the circuit breaker QF4 to the 6kV A section for the plant, and through the circuit breaker QF5 to the 6kV B section for the plant.

[0059] The switch station is calibrated based on the above method, among which the test parameters of the demonstration project are: the rated power of the electric boiler is 27000kW, the generator outlet is 18kV, the main transformer is 220kV, the low-voltage side of the high-voltage transformer is 6.3kV, the current transformer T1 and T2 ratio on the high-voltage side of the main transformer is 1200 / 1, the current transformer T5 ratio on the high-voltage side of the high-voltage transformer is 1500 / 1, the current transformer T6 ratio is 12000 / 1, the current transformer T7 and T8 ratio on the low-voltage side of the high-voltage transformer is 1500 / 1, when the 220kV switch station is calibrated with load: the output power of the auxiliary electric boiler is 15000kW.

[0060] The secondary load current value of the specific load test is calculated as follows:

[0061] 1) The calculated secondary current values ​​of the main transformer high voltage side and switch station are:

[0062]

[0063] 2) The calculated value of the secondary current with small ratio on the high voltage side of the high voltage transformer is:

[0064]

[0065] 3) The calculated value of the high-voltage side high-ratio secondary current of the high-voltage transformer is:

[0066]

[0067] 4) The calculated secondary current of branch A on the low voltage side of the high voltage transformer is:

[0068]

[0069] From the above, we can see that the secondary current values ​​are all greater than 0.02A, which meets the minimum value requirement of the measuring instrument. The load verification scheme developed this time is feasible and has been applied in the demonstration project, and the load verification was successful.

[0070] In this embodiment, a high-temperature gas-cooled reactor switch station charging load verification device is also provided, which is used to implement the above-mentioned embodiments and preferred implementation modes, and will not be repeated here. As used below, the term "module" can be a combination of software and / or hardware that implements a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0071] This embodiment provides a high-temperature gas-cooled reactor switch station charging load verification device, and a high-temperature gas-cooled reactor switch station charging load verification method based on the above embodiment and any optional implementation manner thereof, the device includes:

[0072] A detection module, used to detect whether the first power grid reverses the power supply before the demonstration project generates power;

[0073] The control module is used to change the internal current path of the demonstration project when the power is reversed, so that the electric boiler acts as a load and performs load verification on the switch station.

[0074] The further functional description of each of the above modules and units is the same as that of the above corresponding embodiments and will not be repeated here.

[0075] The high-temperature gas-cooled reactor switch station charging load verification device in this embodiment is presented in the form of a functional unit, where the unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and memory that executes one or more software or fixed programs, and / or other devices that can provide the above functions.

[0076] An embodiment of the present invention further provides a computer device having the above-mentioned high-temperature gas-cooled reactor switch station charging load verification device.

[0077] See also Figure 5 , Figure 5is a schematic diagram of the structure of a computer device provided by an optional embodiment of the present invention, such as Figure 5 As shown, the computer device includes: one or more processors 10, a memory 20, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. Various components are connected to each other using different buses for communication, and can be installed on a common mainboard or installed in other ways as needed. The processor can process the instructions executed in the computer device, including instructions stored in or on the memory to display the graphical information of the GUI on an external input / output device (such as, a display device coupled to the interface). In some optional embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple computer devices can be connected, and each device provides some necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system). Figure 5 A processor 10 is taken as an example.

[0078] The processor 10 may be a central processing unit, a network processor or a combination thereof. The processor 10 may further include a hardware chip. The hardware chip may be a dedicated integrated circuit, a programmable logic device or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic or any combination thereof.

[0079] The memory 20 stores instructions executable by at least one processor 10, so that at least one processor 10 executes the method shown in the above embodiment.

[0080] The memory 20 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function; the data storage area may store data created according to the use of the computer device, etc. In addition, the memory 20 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some optional embodiments, the memory 20 may optionally include a memory remotely arranged relative to the processor 10, and these remote memories may be connected to the computer device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0081] The memory 20 may include a volatile memory, such as a random access memory; the memory may also include a non-volatile memory, such as a flash memory, a hard disk or a solid state drive; the memory 20 may also include a combination of the above types of memory.

[0082] The computer device further comprises a communication interface 30 for the computer device to communicate with other devices or a communication network.

[0083] The embodiment of the present invention also provides a computer-readable storage medium. The method according to the embodiment of the present invention can be implemented in hardware, firmware, or can be implemented as a computer code that can be recorded in a storage medium, or can be implemented as a computer code that is originally stored in a remote storage medium or a non-temporary machine-readable storage medium and will be stored in a local storage medium through a network download, so that the method described herein can be stored in such software processing on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. Among them, the storage medium can be a magnetic disk, an optical disk, a read-only storage memory, a random access memory, a flash memory, a hard disk or a solid-state hard disk, etc.; further, the storage medium can also include a combination of the above types of memories. It can be understood that a computer, a processor, a microprocessor controller, or programmable hardware includes a storage component that can store or receive software or computer code. When the software or computer code is accessed and executed by a computer, a processor, or hardware, the method shown in the above embodiment is implemented.

[0084] A part of the present invention may be applied as a computer program product, such as a computer program instruction, which, when executed by a computer, can call or provide the method and / or technical solution according to the present invention through the operation of the computer. Those skilled in the art should understand that the existence of the computer program instruction in a computer-readable medium includes, but is not limited to, a source file, an executable file, an installation package file, etc., and accordingly, the way in which the computer program instruction is executed by the computer includes, but is not limited to: the computer directly executes the instruction, or the computer compiles the instruction and then executes the corresponding compiled program, or the computer reads and executes the instruction, or the computer reads and installs the instruction and then executes the corresponding installed program. Here, the computer-readable medium may be any available computer-readable storage medium or communication medium accessible to the computer.

[0085] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A method for charging load verification of a high temperature gas-cooled reactor switch station, characterized in that: The first end of the switch station is connected to the first power grid, and the second end of the switch station is connected to the generator, the electric boiler, the second power grid, and the high temperature gas-cooled reactor respectively through the demonstration project. The method includes: Before the demonstration project generates electricity, detecting whether the first power grid reverses the power supply; When the power is reversed, the internal current path of the demonstration project is changed so that the electric boiler acts as a load and the switch station is subjected to load verification.

2. The method for charging load verification of a high temperature gas-cooled reactor switch station according to claim 1 is characterized in that: The demonstration project includes: a main transformer, an auxiliary transformer, a high-voltage transformer, a first circuit breaker, a second circuit breaker, a third circuit breaker, a fourth circuit breaker, a fifth circuit breaker, a sixth circuit breaker, a seventh circuit breaker, an eighth circuit breaker and a ninth circuit breaker, wherein: The switch station is connected to the first end of the main transformer through the first circuit breaker; The second end of the main transformer is connected to the generator through the second circuit breaker, and the second end of the main transformer is also connected to the first end of the high-voltage transformer; The second end of the high-voltage transformer is connected to the first busbar through the third circuit breaker, and the third end of the high-voltage transformer is connected to the second busbar through the fourth circuit breaker; The second power grid is connected to the first end of the auxiliary transformer through the fifth circuit breaker; The second end of the auxiliary transformer is connected to the first bus through the sixth circuit breaker, the second end of the auxiliary transformer is connected to the second bus through the seventh circuit breaker, and the second end of the auxiliary transformer is connected to the third bus through the eighth circuit breaker; The electric boiler is connected to the third busbar through the ninth circuit breaker.

3. The method for charging and load verification of a high temperature gas-cooled reactor switch station according to claim 2 is characterized in that: The process of changing the internal current path of the demonstration project comprises: closing the first circuit breaker, the third circuit breaker, and the fourth circuit breaker; Closing the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker; Open the fifth circuit breaker.

4. The method for charging and load verification of a high temperature gas-cooled reactor switch station according to claim 2 is characterized in that: The control of the fourth circuit breaker and the seventh circuit breaker is a two-out-of-one blocking logic, and the control of the fifth circuit breaker and the sixth circuit breaker is a two-out-of-one blocking logic. The process of changing the internal current path of the demonstration project includes: closing the first circuit breaker; Release the two-out-of-one blocking logic of the fourth circuit breaker and the seventh circuit breaker, and release the two-out-of-one blocking logic of the fifth circuit breaker and the sixth circuit breaker; Close the third circuit breaker and the fourth circuit breaker; Closing the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker, and the ninth circuit breaker; Open the fifth circuit breaker.

5. The method for charging and load verification of a high temperature gas-cooled reactor switch station according to claim 2, characterized in that: In the demonstration project, before the generator generates electricity, the method further includes: Close the third circuit breaker, the eighth circuit breaker, and the ninth circuit breaker; closing the first circuit breaker; The control of the fourth circuit breaker and the seventh circuit breaker is a two-out-of-one blocking logic, and the control of the fifth circuit breaker and the sixth circuit breaker is a two-out-of-one blocking logic.

6. The method for charging load verification of a high temperature gas-cooled reactor switch station according to claim 2, characterized in that: When the demonstration project is operating normally and the first power grid does not reverse the power supply, the method further includes: closing the first circuit breaker and the second circuit breaker; Close the fourth circuit breaker and the fifth circuit breaker; The third circuit breaker, the sixth circuit breaker, the seventh circuit breaker, the eighth circuit breaker and the ninth circuit breaker are disconnected.

7. A high temperature gas-cooled reactor switch station charging load verification device, characterized in that: A method for verifying the charging load of a high-temperature gas-cooled reactor switch station according to any one of claims 1 to 6, the device comprising: A detection module, used for detecting whether the first power grid reverses the power supply before the demonstration project generates power; The control module is used to change the internal current path of the demonstration project when the power is reversed, so that the electric boiler acts as a load and performs load verification on the switch station.

8. A computer device, characterized in that: include: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the high-temperature gas-cooled reactor switch station charging load verification method according to any one of claims 1 to 6 by executing the computer instructions.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the high-temperature gas-cooled reactor switch station charging load verification method according to any one of claims 1 to 6.

10. A computer program product, characterized in that It includes computer instructions, and the computer instructions are used to enable a computer to execute the high-temperature gas-cooled reactor switch station charging load verification method according to any one of claims 1 to 6.

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