CN217135228U - Intelligent comprehensive protection monitoring device for power station - Google Patents
Intelligent comprehensive protection monitoring device for power station Download PDFInfo
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- CN217135228U CN217135228U CN202220900458.2U CN202220900458U CN217135228U CN 217135228 U CN217135228 U CN 217135228U CN 202220900458 U CN202220900458 U CN 202220900458U CN 217135228 U CN217135228 U CN 217135228U
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Abstract
The utility model discloses an intelligent comprehensive protection monitoring device for a power station, which comprises a power panel, a remote signaling input panel, a remote signaling expansion panel, an outlet panel, a communication management panel, a self-healing ring screen plate, a main control panel, an alternating current input panel and a liquid crystal display panel, wherein the power panel is connected with the main control panel and the liquid crystal display panel through a bus panel; the remote signaling input board and the remote signaling expansion board are both used for acquiring non-electric quantity signals; the outlet board is connected with the main control board through a bus board; the communication management board is connected with the main control board through the bus board; the self-healing ring net plate is connected with the main control board through the bus board; the alternating current input board is connected with the main control board through the bus board, and the functions of monitoring, non-electric quantity protection, control, communication and the like of all information on the low-voltage side of the box transformer of the wind power station and the photovoltaic power station can be completed through the device; the device has the characteristics of comprehensive functions, stable and reliable system, high measurement precision, flexible use and suitability for wide-temperature environments.
Description
Technical Field
The utility model relates to a monitoring facilities for the power station especially relates to an intelligent integrated protection monitoring device for wind-powered electricity generation field, photovoltaic power plant.
Background
The development strategy of the national clean energy drives the rise of new energy represented by wind power generation and photovoltaic power generation, the geographical environment and the actual condition of China determine that the engineering sites of the wind power generation and the photovoltaic power generation are mostly in grasslands, hills, gobi, seasides and the like with rare humanity and complex environment, the regions are wide, and the traffic is inconvenient, so that the inspection, the monitoring and the maintenance of site equipment are relatively difficult.
Therefore, a comprehensive protection monitoring device for a power station with reasonable structural design needs to be designed to meet the design concept of an 'unattended' operation management mode of wind power and photovoltaic power station engineering at home and abroad, and realize the functions of protection, measurement and control, monitoring, communication and the like of a boosting and collecting station in a wind power plant and a photovoltaic power station of new energy engineering.
Disclosure of Invention
The utility model aims at providing a power station is with intelligent integrated protection monitoring device mainly gathers the information content that wind-powered electricity generation and photovoltaic power plant case become, helps master-control room or on-the-spot fortune dimension personnel to know the behavior of current equipment immediately, knows the operating condition of every case becomes and on-the-spot humiture etc. not only can provide reliable data information for daily data analysis, also can be to the divide-shut brake that some special case remote control case become.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
an intelligent comprehensive protection monitoring device for a power station comprises a power panel, a remote signaling input panel, a remote signaling expansion panel, an outlet panel, a communication management panel, a self-healing ring screen panel, a main control panel, an alternating current input panel and a liquid crystal display panel, wherein the power panel provides power and is connected with the main control panel and the liquid crystal display panel through a bus board and is provided with 6 paths of passive independent relay outlets; the remote signaling input board and the remote signaling expansion board are connected with the main control board through the bus board, and each remote signaling input board and remote signaling expansion board is provided with 21 remote signaling input quantity acquisition loop interfaces for acquiring non-electric quantity signals; the outlet board is connected with the main control board through a bus board, is provided with 9 paths of passive independent relay outlets and is used for controlling the opening and closing of a circuit breaker, an isolating switch and the like and outputting alarm signals and the like; the communication management board is connected with the main control board through the bus board, is provided with 8 RS485 interfaces and 2 Ethernet interfaces and is used for external communication; the self-healing ring network board is connected with the main control board through the bus board, is provided with 3 circuits of Ethernet interfaces and 2 circuits of optical fiber interfaces and is used for ring network or Ethernet communication; the alternating current input board is connected with the main control board through the bus board, is provided with 14 paths of mutual inductor circuit interfaces and can acquire analog quantities such as alternating current voltage, current and the like; the main control board is provided with 1 path of Ethernet interface, 2 paths of RS485 interfaces, 1 path of B code time setting interface, 1 path of second pulse input interface and 6 paths of direct current input interfaces;
the power panel adopts an AC/DC switching power supply, outputs three different voltages of +5V, + 12V and +24V to supply power for the system, and is more reliable.
The alternating current input board can be matched with current and voltage transformers with different measuring ranges and transformation ratios, and the requirements of alternating current and voltage acquisition in different occasions are met.
The main control board integrates the functions of acquisition, communication and protection, judges through a protection logic algorithm according to analog quantity, direct current quantity and input quantity signals acquired by each board, and uploads each acquisition quantity, fault information and the like to a background monitoring system, a communication management board or a self-healing ring network board; the main control board comprises a CPU which is provided with 6 direct current acquisition circuits, can be respectively set to be 4-20mA or PT100 signal acquisition circuits through jumper wire selection, and is suitable for the requirements of different occasions.
The self-healing ring network board is provided with two optical fibers and three electric Ethernet interfaces, supports 5 Ethernet interfaces (photoelectric selectable), can meet the communication requirement of the wind power plant self-healing optical fiber ring Ethernet, has a communication protocol meeting IEC60870-5-104, and can be conveniently accessed into a booster station comprehensive system.
The liquid crystal display panel can display current analog quantity, direct current quantity, remote signaling input quantity and fixed value pressing plate parameter information, and has the functions of fixed value pressing plate modification, outlet transmission, system parameter modification, password modification, device version upgrading and the like.
When the device runs, real-time alternating voltage and current data are collected through the alternating current input board, the remote signaling input board and the remote signaling expansion board collect remote signaling input quantity signals, the main control board collects various direct current quantity signals and transmits the signals to the main control board, the main control board combines fixed value setting and pressing board switching information, whether a system fails or not is judged through various protection function logic algorithms, and if the system fails, the main control board controls the outlet board to switch out a trip or an alarm outlet relay to control the switching-on and switching-off of a circuit breaker, an isolating switch and the like and send out alarm signals. Meanwhile, the main control board uploads real-time data information, fixed value pressing plate information and fault information to the liquid crystal display panel, or uploads the real-time data information, the fixed value pressing plate information and the fault information to the background monitoring system in a MODBUS, 103 or 104 protocol mode, or sends the real-time data information to the communication management board or the self-healing ring network board in an internal communication mode, the communication management board uploads the information to the background monitoring system through a serial port or an Ethernet, and the self-healing ring network board uploads the information to the background monitoring system through an optical fiber ring network or the Ethernet so that a user can check and operate the self-healing ring network board conveniently.
The utility model has the advantages that: the device can complete the functions of monitoring, non-electric quantity protection, control, communication and the like of all information on the low-voltage side of the box transformer substation of the wind power and photovoltaic power stations, and meet the operation management mode of 'less-person-on-duty' of the wind power and photovoltaic power station engineering; the device has the characteristics of comprehensive functions, stable and reliable system and high measurement precision.
Drawings
FIG. 1 is a schematic view of the structure principle of the present invention;
fig. 2 is a schematic view of a rear view structure of an embodiment of the present invention.
In the illustration 1-power panel; 2-a remote signaling expansion board; 3-an outlet plate; 4-remote signaling input board; 5-communication management board; 6-self-healing ring net plate; 7-a main control board; 8-AC input board.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
an intelligent comprehensive protection monitoring device for a power station comprises a power panel 1, a remote signaling input panel 4, a remote signaling expansion panel 2, an outlet panel 3, a communication management panel 5, a self-healing ring screen panel 6, a main control panel 7, an alternating current input panel 8 and a liquid crystal display panel, wherein the power panel 1 provides power and is connected with the main control panel 7 and the liquid crystal display panel through a bus board and is provided with 6 paths of passive independent relay outlets; the remote signaling input board 4 and the remote signaling expansion board 2 are both connected with the main control board 7 through a bus board, and each remote signaling input board is provided with 21 remote signaling input quantity acquisition loop interfaces for acquiring non-electric quantity signals; the outlet board 3 is connected with the main control board 7 through a bus board, is provided with 9 passive independent relay outlets and is used for controlling the opening and closing of a circuit breaker, an isolating switch and the like and outputting alarm signals and the like; the communication management board 5 is connected with the main control board 7 through a bus board, is provided with 8 RS485 interfaces and 2 Ethernet interfaces and is used for external communication; the self-healing ring network board 6 is connected with the main control board 7 through a bus board, is provided with 3 circuits of Ethernet interfaces and 2 circuits of optical fiber interfaces and is used for ring network or Ethernet communication; the AC input board 8 is connected with the main control board 7 through a bus board, is provided with 14 paths of mutual inductor circuit interfaces and can acquire analog quantities such as AC voltage, current and the like; the main control board 7 is provided with 1 path of Ethernet interface, 2 paths of RS485 interfaces, 1 path of B code time synchronization interface, 1 path of second pulse input interface and 6 paths of direct current input interfaces;
the power panel 1 adopts an AC/DC switching power supply, outputs three different voltages of +5V, + 12V and +24V to supply power for a system, and is more reliable.
The alternating current input board 8 can be matched with current and voltage transformers with different measuring ranges and transformation ratios, and the requirements of alternating current and voltage acquisition in different occasions are met.
The main control board 7 integrates acquisition, communication and protection functions, judges through a protection logic algorithm according to analog quantity, direct current quantity and input quantity signals acquired by each board, and uploads each acquisition quantity, fault information and the like to the background monitoring system, the communication management board 5 or the self-healing ring network board 6; the main control board 7 comprises a CPU which is provided with 6 direct current acquisition circuits, can be respectively set to be 4-20mA or PT100 signal acquisition circuits through jumper wire matching, and is suitable for the requirements of different occasions.
The self-healing ring network board 6 is provided with two optical fibers and three electric Ethernet interfaces, supports 5 Ethernet interfaces (photoelectric selectable), can meet the communication requirement of the wind power plant self-healing optical fiber ring Ethernet, has a communication protocol meeting IEC60870-5-104, and can be conveniently accessed into a booster station comprehensive automatic system.
The liquid crystal display panel can display current analog quantity, direct current quantity, remote signaling input quantity and fixed value pressing plate parameter information, and has the functions of fixed value pressing plate modification, outlet transmission, system parameter modification, password modification, device version upgrading and the like.
When the device runs, real-time alternating voltage and current data are collected through the alternating current input plate 8, a remote signaling input plate 4 and a remote signaling expansion plate 2 collect remote signaling input signals, the main control board 7 collects various direct current signals and transmits the signals to the main control board 7, the main control board 7 combines fixed value setting and pressing plate switching information, whether a system breaks down or not is judged through various protection function logic algorithms, and if the system breaks down, the main control board 7 controls the outlet plate 3 to open a trip or an alarm outlet relay to control the switching-on and switching-off of a circuit breaker, an isolating switch and the like and send out alarm signals. Meanwhile, the main control board 7 uploads real-time data information, fixed value pressing board information and fault information to the liquid crystal display panel, or uploads the real-time data information, fixed value pressing board information and fault information to the background monitoring system in a mode of MODBUS, 103 or 104 protocol, or sends the information to the communication management board 5 or the self-healing ring network board 6 in an internal communication mode, the communication management board 5 uploads the information to the background monitoring system through a serial port or an Ethernet, and the self-healing ring network board 6 uploads the information to the background monitoring system through an optical fiber ring network or the Ethernet, so that a user can check and operate the information conveniently.
The POWER panel is FBZ-3000-POWER09-V2.80 POWER panel produced by Shandong Taian automation company Limited; the brand model of the remote signaling expansion board 2 is FBZ-3000-EX01-V1.00 of Shandong Taian automation company Limited; the brand model of the outlet plate 3 is FBZ-3000-RELAY20-V2.41 of Taian Automation Co., Ltd, Shandong; the brand model of the remote signaling INPUT board 4 is FBZ-3000-INPUT06-V2.41 of Taian automation company Limited in Shandong; the brand model of the communication management board 5 is FBZ-3000-CPU15-V1.20 of Shandong Taian automation company Limited; the brand model of the self-healing ring network board 6 is FBZ-3000-COMM02-V1.20 of Shandong Taian automation company Limited; the brand model or the CPU chip model of the main control board 7 is FBZ-3000-CPU 15-V1.20; the AC input board 8 is made by FBZ-3000-AC07-V3.00 of Taian Automation company, Shandong.
The component selection of the device adopts industrial grade, and is suitable for wide-temperature working environment of-40 ℃ to +85 ℃; the reliability and the advancement of the device meet the requirement of closing the door of the wind power plant; the common switching value signals such as the position of a high-voltage load switch, the position of a grounding knife, the position of a low-voltage side switch and the like in the power station can be acquired; the non-electric tripping or alarming of heavy gas, light gas, pressure relief valve action, transformer high-temperature alarming, transformer ultra-high temperature tripping, transformer oil level low and the like can be realized; the functions of differential quick-break, ratio differential, differential current out-of-limit, CT line break, overcurrent one-section, overcurrent two-section, overcurrent three-section, zero-sequence current, overload, voltage line break, low voltage, overvoltage and other electric quantity protection can be realized; the system solves the problems of monitoring, protecting and controlling a wind power plant and a photovoltaic power station, is particularly suitable for remote management and automatic monitoring of all information in the box-type substation, can realize the four-remote functions of 'remote measurement, remote signaling, remote control, remote regulation' and the like of the box-type substation through remote scheduling, and meets the design concept of the operation management mode of 'unattended' of domestic and foreign wind power and photovoltaic power station engineering.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, a plurality of improvements can be made, and these improvements should also be regarded as the protection scope of the present invention without making creative efforts.
Claims (3)
1. The utility model provides a power station is with intelligent integrated protection monitoring device which characterized in that: the self-healing ring screen board is connected with the main control board and the liquid crystal display board through a bus board and is provided with 6 paths of passive independent relay outlets; the remote signaling input board and the remote signaling expansion board are connected with the main control board through the bus board, and each remote signaling input board is provided with 21 remote signaling input quantity acquisition loops for acquiring non-electric quantity signals; the outlet board is connected with the main control board through the bus board and is provided with 9 passive independent relay outlets; the communication management board is connected with the main control board through a bus board and is provided with 8 paths of RS485 and 2 paths of Ethernet; the self-healing ring network board is connected with the main control board through the bus board and is provided with 3 circuits of Ethernet interfaces and 2 circuits of optical fiber interfaces; the alternating current input board is connected with the main control board through the bus board and is provided with 14 paths of mutual inductor circuits; the main control board is provided with 1 path of Ethernet, 2 paths of RS485, 1 path of B code time synchronization, 1 path of second pulse input and 6 paths of direct current input.
2. The intelligent integrated protection monitoring device for the power station of claim 1, wherein: the power panel adopts an AC/DC switching power supply.
3. The intelligent integrated protection monitoring device for the power station of claim 1, wherein: the main control board is designed with 6 direct current acquisition circuits which can be respectively set as 4-20mA or PT100 signal acquisition circuits through jumper wire matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220900458.2U CN217135228U (en) | 2022-04-19 | 2022-04-19 | Intelligent comprehensive protection monitoring device for power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220900458.2U CN217135228U (en) | 2022-04-19 | 2022-04-19 | Intelligent comprehensive protection monitoring device for power station |
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| Publication Number | Publication Date |
|---|---|
| CN217135228U true CN217135228U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220900458.2U Active CN217135228U (en) | 2022-04-19 | 2022-04-19 | Intelligent comprehensive protection monitoring device for power station |
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| Country | Link |
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| CN (1) | CN217135228U (en) |
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- 2022-04-19 CN CN202220900458.2U patent/CN217135228U/en active Active
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