CN111082524A - Power grid primary frequency modulation monitoring mainboard based on Loongson platform - Google Patents
Power grid primary frequency modulation monitoring mainboard based on Loongson platform Download PDFInfo
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- CN111082524A CN111082524A CN201911244228.4A CN201911244228A CN111082524A CN 111082524 A CN111082524 A CN 111082524A CN 201911244228 A CN201911244228 A CN 201911244228A CN 111082524 A CN111082524 A CN 111082524A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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Abstract
The invention provides a power grid primary frequency modulation monitoring main board based on a Loongson platform. Electric wire netting primary control mainboard based on godson platform includes: the device comprises a substrate, and a Loongson SOC, a power supply access module, a state monitoring module and a PSU power supply module which are arranged on the substrate; the power supply access module, the state monitoring module and the PSU power supply module are all electrically connected with the Loongson SOC, and the state monitoring module and the PSU power supply module are all electrically connected with the power supply access module; the power access module includes a plurality of relays that are used for receiving electric wire netting mains voltage, the state monitoring module includes a plurality of status indicator lamps that are used for instructing mainboard operating condition, and it adopts godson SOC as main control chip, can improve the data acquisition of electric wire netting primary frequency modulation control mainboard, data processing analysis and communication performance, promotes the autonomic controllability and the security of electric wire netting primary frequency modulation control mainboard.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a power grid primary frequency modulation monitoring mainboard based on a Loongson platform.
Background
With the increasing proportion of large-capacity units in the power grid and the improvement of the requirement of users on the quality of electric energy, the frequency stability of the power grid becomes more and more important. The fault tripping of the large-capacity unit can generate huge impact on the frequency of a power grid, and the hysteresis of a power grid dispatching system and automatic power generation control and regulation cannot meet the requirement of stable operation of the power grid. The effective input of the primary frequency modulation function of the grid-connected unit can fully make up the deficiency.
Primary Frequency Modulation (PFR) is the inherent capability of the Frequency characteristics of the speed control system of a generator set, and changes the steam inlet amount of a turbonator with the Frequency change, and adjusts the Frequency of a power grid by increasing or decreasing the output power of the generator. The national standard power grid frequency is 50HZ (the corresponding gas turbine rotating speed is +/-3000 rpm and is/min), if the system frequency variation exceeds the dead zone range (for example, the deviation is +/-0.033 HZ, and the corresponding rotating speed is +/-2 rpm), the gas turbine speed regulating system automatically changes the opening of a gas inlet regulating valve of a gas turbine so as to change the gas inlet quantity, increase and decrease the output power of a generator, and finally the power grid frequency is pulled back to the dead zone range to ensure the power grid frequency quality.
The power grid primary frequency modulation monitoring mainboard is a mainboard which is applied to a power grid primary frequency modulation system and is used for configuring a power grid primary frequency modulation capability monitoring device, the safety of the power grid primary frequency modulation monitoring mainboard can affect the safety of a power grid, and the safety of the power grid is related to national safety.
However, the existing power grid primary frequency modulation monitoring mainboard adopts a foreign processor, the core technology is closed for a long time, the core principle cannot be mastered, and in addition, the uncertainty of the external environment causes that the product has serious uncontrollable property and is easily influenced by the external environment, so that the product is stopped producing, and when the product is more serious, the product is also easily reserved by foreign manufacturers and the backdoor steals data, so that the data safety of the product cannot be guaranteed, and the safety requirement of a power grid system cannot be met. Therefore, the demand for improving the autonomous controllability and safety of the power grid primary frequency modulation monitoring mainboard is increasingly urgent.
Disclosure of Invention
The invention aims to provide a power grid primary frequency modulation monitoring mainboard based on a Loongson platform, which can improve the performance of the power grid primary frequency modulation monitoring mainboard and improve the autonomous controllability and safety of the power grid primary frequency modulation monitoring mainboard.
In order to achieve the above object, the present invention provides a grid primary frequency modulation monitoring motherboard based on a Loongson platform, comprising: the device comprises a substrate, and a Loongson SOC, a power supply access module, a state monitoring module and a PSU power supply module which are arranged on the substrate;
the power supply access module, the state monitoring module and the PSU power supply module are all electrically connected with the Loongson SOC, and the state monitoring module and the PSU power supply module are electrically connected with the power supply access module;
the power access module comprises a plurality of relays for receiving power supply voltage of a power grid, and the state monitoring module comprises a plurality of state indicating lamps for indicating the working state of the mainboard.
The power supply voltage of the power grid is a direct current 110V, direct current 220V or alternating current 220V power supply.
The status indicator light comprises a working status indicator light, an error status indicator light and an alarm status indicator light.
The grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a display conversion module which is arranged on the substrate and electrically connected with the Loongson SOC, and the display conversion module converts a DVO interface of the Loongson SOC into an HDMI interface.
The grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a memory slot which is arranged on the substrate and electrically connected with the Loongson SOC.
The grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a network card which is arranged on the substrate and electrically connected with the Loongson SOC, and a network interface which is arranged on the substrate and electrically connected with the network card.
The power grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises an M.2 interface, a PCIE slot, a BIOS Rom and a USB interface which are arranged on the substrate and electrically connected with the Loongson SOC.
The grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a time service interface arranged on the substrate, a level shifter arranged on the substrate and electrically connected with the time service interface, and an FPGA decoder arranged on the substrate and electrically connected with the level shifter, wherein the FPGA decoder is electrically connected with the Loongson SOC.
The model of the godson SOC is godson 2K 1000.
The grid primary frequency modulation monitoring mainboard based on the godson platform further comprises a watchdog module which is arranged on the substrate and electrically connected with the godson SOC.
The invention has the beneficial effects that: the invention provides a power grid primary frequency modulation monitoring mainboard based on a Loongson platform, which comprises: the device comprises a substrate, and a Loongson SOC, a power supply access module, a state monitoring module and a PSU power supply module which are arranged on the substrate; the power supply access module, the state monitoring module and the PSU power supply module are all electrically connected with the Loongson SOC, and the state monitoring module and the PSU power supply module are all electrically connected with the state monitoring module; the power access module includes a plurality of relays that are used for receiving electric wire netting mains voltage, the state monitoring module includes a plurality of status indicator lamps that are used for instructing mainboard operating condition, and it adopts godson SOC as main control chip, can improve the data acquisition of electric wire netting primary frequency modulation control mainboard, data processing analysis and communication performance, promotes the autonomic controllability and the security of electric wire netting primary frequency modulation control mainboard.
Drawings
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.
In the drawings, there is shown in the drawings,
fig. 1 is an architecture diagram of a power grid primary frequency modulation monitoring mainboard based on a Loongson platform.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 1, the present invention provides a grid primary frequency modulation monitoring motherboard based on a Loongson platform, including: a substrate 100, and a System On Chip (SOC) 1, a Power access module 2, a status monitoring module 3, and a PSU (Power supply unit) Power supply module 4, which are disposed on the substrate 100;
the power access module 2, the state monitoring module 3 and the PSU power supply module 4 are all electrically connected with the Loongson SOC1, and the state monitoring module 3 and the PSU power supply module 4 are all electrically connected with the power access module 2;
the power supply access module 2 comprises a plurality of relays 6 for receiving the power supply voltage of the power grid, and the state monitoring module 3 comprises a plurality of state indicating lamps 5 for indicating the working state of the main board.
Preferably, a Front Board 101(Front Board) and a Rear Board 102 (real Board) are disposed on the substrate 100, the power access module 2 is disposed on the Rear Board 102, and the state monitoring module 3 is electrically connected to the godson SOC1 and the power access module 2 through the Front Board 101.
Specifically, the power supply voltage of the power grid is a direct current 110V, direct current 220V or alternating current 220V power supply, that is, the loongson platform-based power grid primary frequency modulation monitoring main board supports direct current 110V, direct current 220V or alternating current 220V voltage power supply.
Specifically, the PSU power supply module 4 is configured to convert a power grid supply voltage received by the power access module 2 into a motherboard operating voltage, and preferably, the motherboard operating voltage is a direct current 12V voltage.
Specifically, status indicator lamp 5 includes a operating condition pilot lamp 51, an error condition pilot lamp 52 and an alarm condition pilot lamp 53, wherein, works as when the electric wire netting primary frequency modulation based on godson platform monitors the mainboard normal operating, operating condition pilot lamp 51 lights, works as when the electric wire netting primary frequency modulation based on godson platform monitors the mainboard worker and makes the mistake, error condition pilot lamp 52 lights, works as when serious problem appears in the work of electric wire netting primary frequency modulation based on godson platform and needs the warning suggestion, alarm condition pilot lamp 53 lights.
Specifically, the grid primary frequency modulation monitoring mainboard based on the godson platform further includes a display conversion module 21 disposed on the substrate 100 and electrically connected to the godson SOC1, and the display conversion module 21 converts a Digital Video Output (DVO) Interface of the godson SOC1 into a High Definition Multimedia Interface (HDMI) Interface 61.
Specifically, the grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a memory slot 7 which is arranged on the substrate 100 and electrically connected with the Loongson SOC1, and further, the memory slot 7 is a third generation Double Data Rate3 (DDR 3) memory slot.
Specifically, the grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a network card 8 arranged on the substrate 100 and electrically connected with the Loongson SOC1, and a network interface 81 arranged on the substrate 100 and electrically connected with the network card 8. Specifically, the network card 8 includes four intel I210-IT network cards, the network interface 81 includes gigabit network interfaces electrically connected to the four intel I210-IT network cards, respectively, and the gigabit network interfaces are RJ45 interfaces.
Specifically, the power grid primary frequency modulation monitoring mainboard based on godson platform still includes one and locates on the base plate 100 with godson SOC1 electric connection's RS232 linear drive receiver 83 and locate on the base plate 100 with RS232 linear drive receiver electric connection's a maintenance interface 84, RS232 linear drive receiver 83's model is MAX3243EIDBR, it is the RJ45 interface to maintain interface 84.
Specifically, the grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a port physical layer 85(Physica, PHY) electrically connected with the Loongson SOC1 on the substrate 100 and a gigabit network interface 86 electrically connected with the port physical layer 85 on the substrate 100, wherein the gigabit network interface 86 is an RJ45 interface, and the model of the port physical layer 85 is an RTL8211FDI PHY.
Specifically, the grid primary frequency modulation monitoring motherboard based on the Loongson platform further includes an m.2 interface 9, a high-speed serial computer expansion Bus (PCIE) slot 10, a basic input/Output System Read-Only Memory (BIOS ROM)11 and a Universal Serial Bus (USB) interface 12, which are arranged on the substrate 100 and electrically connected to the Loongson SOC 1.
Specifically, the m.2 interface 9 is used to connect to a fixed hard disk, and the USB interface 12 includes an internal USB interface 121 directly electrically connected to the godson SOC1 and two external USB interfaces 122 connected to the godson SOC1 through an input/output Board (IO Board) 18.
Specifically, the grid primary frequency modulation monitoring mainboard based on the Loongson platform further includes a time service interface 14 disposed on the substrate 100, a level shifter 15 disposed on the substrate 100 and electrically connected to the time service interface 14, and a Field Programmable Gate Array (FPGA) decoder 16 disposed on the substrate 100 and electrically connected to the level shifter 15, where the FPGA decoder 16 is electrically connected to the Loongson SOC 1.
Further, the time service interface 14 is a 3Pin FH Connect, and the model of the level shifter 15 is MAX 14783E.
Specifically, the model of the Loongson SOC1 of the grid primary frequency modulation monitoring mainboard based on the Loongson platform is Loongson 2K1000, and a bridge is integrated in the Loongson SOC 1.
Specifically, the grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises a watchdog module 17 which is arranged on the substrate 100 and electrically connected with the Loongson SOC 1.
Specifically, the loongson platform-based power grid primary frequency modulation monitoring mainboard further comprises the state monitoring module 3 and a plurality of network indicator lamps 19, wherein the network indicator lamps 19 comprise 5 connection (Link) indicator lamps and 5 network Activity (ACT) indicator lamps.
Specifically, the power grid primary frequency modulation monitoring mainboard based on the Loongson platform further comprises two 4Pin FH POST ports 20 which are arranged on the substrate 100 and electrically connected with the power access module 2.
Specifically, the power access module 2, the status monitor module 3 and the watchdog module 17 are respectively electrically connected to General-purpose input/output (GPIO) pins of the loongson SOC1, the memory slot 7 is electrically connected to a memory Controller (DDR3 Controller) of the loongson SOC1, the four intel I210-IT network cards are electrically connected to a PCIE × 4 interface of the loongson SOC1, the multichannel RS232 linear driving Receiver is electrically connected to a Universal Asynchronous Receiver Transmitter/Transmitter (UART) interface of the loongson SOC1, the port physical layer 85 is electrically connected to a gigabit media network Controller (GMAC) interface of the loongson SOC1, the m.2 interface 9 is electrically connected to a SATA3.0 interface of the loongson SOC1, the PCIE slot 10 is electrically connected to another PCIE × 4 interface of the loongson 1, and the input/output (PCIE × 18) interface of the loongson SOC1 is electrically connected to a pwpi interface of the loongson SOC1, the internal USB interface 121 is electrically connected to another USB interface of the godson SOC1, the FPGA decoder is electrically connected to a UART interface and a GPIO interface of the godson SOC1, and the PSU power unit is electrically connected to the DC _ In interface of the godson SOC 1.
Therefore, the electric power primary frequency modulation monitoring mainboard based on the Loongson platform can realize complete autonomous controllability of the mainboard, supports power supply of 110V, 220V direct current power supplies and 220 AC power supplies, has rich interfaces, and has perfect data acquisition function, data processing and analysis function and communication function.
In summary, the present invention provides a grid primary frequency modulation monitoring motherboard based on a Loongson platform, including: the device comprises a substrate, and a Loongson SOC, a power supply access module, a state monitoring module and a PSU power supply module which are arranged on the substrate; the power supply access module, the state monitoring module and the PSU power supply module are all electrically connected with the Loongson SOC, and the state monitoring module and the PSU power supply module are all electrically connected with the state monitoring module; the power access module includes a plurality of relays that are used for receiving electric wire netting mains voltage, the state monitoring module includes a plurality of status indicator lamps that are used for instructing mainboard operating condition, and it adopts godson SOC as main control chip, can improve the data acquisition of electric wire netting primary frequency modulation control mainboard, data processing analysis and communication performance, promotes the autonomic controllability and the security of electric wire netting primary frequency modulation control mainboard.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a power grid primary frequency modulation control mainboard based on godson platform which characterized in that includes: the device comprises a substrate (100), and a Loongson SOC (1), a power access module (2), a state monitoring module (3) and a PSU power supply module (4) which are arranged on the substrate (100);
the power access module (2), the state monitoring module (3) and the PSU power supply module (4) are electrically connected with the Loongson SOC (1), and the state monitoring module (3) and the PSU power supply module (4) are electrically connected with the power access module (2);
the power supply access module (2) comprises a plurality of relays (6) for receiving power supply voltage of a power grid, and the state monitoring module (3) comprises a plurality of state indicating lamps (5) for indicating the working state of the main board.
2. A loongson platform based grid primary frequency modulation monitoring mainboard as claimed in claim 1, wherein the grid power supply voltage is a dc 110V, dc 220V or ac 220V power supply.
3. A Loongson platform-based power grid primary frequency modulation monitoring mainboard as claimed in claim 1, wherein the status indicator lamp (5) comprises an operating status indicator lamp (51), an error status indicator lamp (52) and an alarm status indicator lamp (53).
4. The Loongson platform-based power grid primary frequency modulation monitoring mainboard of claim 1, further comprising a display conversion module (21) arranged on the substrate (100) and electrically connected to the Loongson SOC (1), wherein the display conversion module (21) converts a DVO interface of the Loongson SOC (1) into an HDMI interface (61).
5. The Loongson platform-based power grid primary frequency modulation monitoring mainboard of claim 1, further comprising a memory slot (7) arranged on the substrate (100) and electrically connected with the Loongson SOC (1).
6. The Loongson platform-based power grid primary frequency modulation monitoring mainboard of claim 1, further comprising a network card (8) arranged on the substrate (100) and electrically connected with the Loongson SOC (1), and a network interface (81) arranged on the substrate (100) and electrically connected with the network card (8).
7. The Loongson platform-based power grid primary frequency modulation monitoring mainboard of claim 1, further comprising an M.2 interface (9), a PCIE slot (10), a BIOS Rom (11) and a USB interface (12) which are arranged on the substrate (100) and electrically connected with the Loongson SOC (1).
8. The Loongson platform-based power grid primary frequency modulation monitoring mainboard as claimed in claim 1, further comprising a time service interface (14) disposed on the substrate (100), a level shifter (15) disposed on the substrate (100) and electrically connected to the time service interface (14), and an FPGA decoder (16) disposed on the substrate (100) and electrically connected to the level shifter (15), wherein the FPGA decoder (16) is electrically connected to the Loongson SOC (1).
9. The Loongson platform-based power grid primary frequency modulation monitoring main board as claimed in claim 1, wherein the Loongson SOC (1) is of a type of Loongson 2K 1000.
10. The Loongson platform-based grid primary frequency modulation monitoring mainboard of claim 1, further comprising a watchdog module (17) arranged on the substrate (100) and electrically connected with the Loongson SOC (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244228.4A CN111082524A (en) | 2019-12-06 | 2019-12-06 | Power grid primary frequency modulation monitoring mainboard based on Loongson platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911244228.4A CN111082524A (en) | 2019-12-06 | 2019-12-06 | Power grid primary frequency modulation monitoring mainboard based on Loongson platform |
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| CN111082524A true CN111082524A (en) | 2020-04-28 |
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| CN201911244228.4A Pending CN111082524A (en) | 2019-12-06 | 2019-12-06 | Power grid primary frequency modulation monitoring mainboard based on Loongson platform |
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2019
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| US9049078B2 (en) * | 2011-08-31 | 2015-06-02 | Eneroc, Inc. | NOC-oriented control of a demand coordination network |
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Application publication date: 20200428 |