A power grid security and stability control device and method thereof using modbus communication protocol to realize human-computer interaction
A stable control device and stable control technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve the problem of internal communication of the stable control device that has not yet used the MODBUS protocol, high product development and maintenance costs, and product development cycle Long-term problems, to achieve the effect of saving development and maintenance costs, shortening the development cycle, and facilitating upgrades
Active Publication Date: 2017-08-25
STATE GRID CORP OF CHINA +4
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
It has the following disadvantages: 1. The interface is not beautiful enough; 2. The operation is not convenient enough; 3. The product development cycle is long; 4. The cost of product development and maintenance is high
[0005] MODBUS is the most popular type of industrial field bus protocol. The MODBUS protocol has been widely used in the field of work control, but the MODBUS protocol has not been used in the internal communication of the stability control device.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0022] The present invention mainly comprises the following contents:
[0023] 1. The power grid security and stability control device is divided into "stability control function module" and "man-machine interface module", and an industrial touch screen supporting MODBUS protocol is selected as the man-machine interface module.
[0024] 2. The stability control function module and the man-machine interface module are connected through RS485, and the data transmission adopts the serial link MODBUS transmission protocol.
[0025] 3. Summarize and sort out the data of the man-machine interface communication of the stability control device, classify them, and make a reasonable mapping between various data of the man-machine interface communication and the function code of the MODBUS protocol.
[0026] 4. Adopt MODBUS RTU mode to realize data communication between "stability control function module" and "man-machine interface module". The MODBUS communication program of the stabil...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a power grid security and stability control device and method for realizing man-machine interaction by utilizing an MODBUS communications protocol, and belongs to the technical fields of electrical power systems and automation thereof. The device comprises a stability control function module and a man-machine interface module, wherein the stability control function module is used for achieving the function of power grid security and stability control, and the man-machine interface module is used for achieving all the functions of data display and data modification of a monitoring interface; the man-machine interface module is a touch screen supporting a serial port MODBUS communication protocol, the stability control function module and the touch screen are connected through RS485, and data transmission adopts a serial link MODBUS transmission mode. The data transmission is realized through the three steps of initialization, data receiving and processing, and sending. Compared with the prior art, the power grid security and stability control device, disclosed by the invention, overcomes the defects of the man-machine interface of a traditional stability control device, improves the aesthetic property and the operation convenience of the man-machine interface and effectively reduces the development cost and the maintenance cost.
Description
technical field [0001] The invention belongs to the technical field of electric power systems and automation thereof. More precisely, the invention relates to a power grid safety and stability control device and a human-computer interaction method thereof. Background technique [0002] The power grid security and stability control device (hereinafter referred to as the stability control device) is the control platform of the second and third security defense lines of the power grid, and realizes functions such as regional security and stability control, out-of-step splitting, and frequency and voltage emergency control. [0003] The importance of the stability control device interface has become increasingly prominent, and the human-machine interface has become an inseparable part of the user experience. The traditional safety and stability control device human-machine interface is completely independently developed by the stability control device manufacturer. The communica...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 司庆华颜云松王宏志王东方李春来李祝昆朱传宏王计林范腾
Owner STATE GRID CORP OF CHINA