Energy conservation, emission reduction and new energy are the major trends for future development. With the strong support of the government, the wind energy market is also developing rapidly. The relevant data shows that in the next 20-25 years, the world wind energy market will increase by 25% annually. According to national plans, in the next 15 years, the installed capacity of wind power in the country will reach 20 million to 30 million kilowatts. With an investment of 7,000 yuan per kilowatt installed capacity, the future wind power equipment market will reach 140 billion yuan to 210 billion yuan. The rapid development of the wind power industry will also stimulate the demand for wind power equipment control systems, management systems and remote monitoring systems, which will bring new opportunities for industrial control manufacturers. The following will introduce the case of system integrators using North China Industrial Panel PCs to integrate wind power industry equipment control and monitoring systems.

System principle

The wind power monitoring and control equipment needs to accurately monitor and control the operation of the field equipment, realize data collection and equipment control, and then summarize the control signal to the server through the network. The wind power main control system detects power grid parameters, wind conditions, and on-site temperature parameters. Operate at a stable voltage and frequency, automatically perform parallel and net-off control on the wind turbine, and monitor the operating temperature of the gear box and generator, the hydraulic pressure of the hydraulic system, and perform yaw and pitch changes according to the wind conditions. In order to optimize the control, the operational efficiency and power generation quality of the wind turbine are improved. At the same time, it will alarm any abnormality that occurs and automatically shut down if necessary. Ensure the safe and reliable operation of the wind turbine, realize the maximum utilization of natural wind and the highest energy conversion rate, and provide good power to the grid. The North China IPC control cabinet was selected and installed in the tower bottom control cabinet of the wind turbine generator to complete the system operation status control and display, wind turbine parameter settings, historical data query statistics, fault record query and other functions.

System Requirements

System advantage

North China Industrial Control's control and monitoring platform is a tablet computer specially tailored to the needs of customers in the wind power industry. The tablet PC is based on Intel Pineview-M's low-power EPIC motherboard EMB-4870. The tablet PC is beautiful in appearance, with a fanless design, low noise, good heat dissipation, support for Type II CF card, a VGA interface, can achieve synchronization Dual display, with 2 Gigabit LAN design, support for 2 USB2.0, 1 PS/2 keyboard and mouse interface, compatible with wide temperature -30°C-80°C, suitable for application in various harsh environments, front panel It adopts IP65 grade, 10.4" TFT LCD flexible touch screen, modularized interface of human-machine interface and external I/O functions, free interface, rich interface, and pre-installed efficient industrial configuration software.

System Block Diagram

System Features

system assesment

For many years, North China Industrial Controls has focused on the R&D and production of industry-specific computers. The wind power generation control and monitoring platform is also tailored to the requirements of the wind power generation market. The stable and reliable features of the industrial grade have been unanimously recognized by customers. The program has passed rigorous testing and passed the successful trials of customers and kept low during wind power generation. Consuming, efficient, stable and reliable advantages and characteristics, but also in a long time and stable operation in high temperature and humidity and other harsh environments.

Liquid Vortex Flowmeter

A liquid vortex meter is a type of volumetric flow meter that makes use of a natural phenomenon that occurs when a liquid flows around a bluff object. Vortex flow meters operate under the principle of vortex shedding, where vortices (or eddies) are shed alternately downstream of the object. The frequency of vortex shedding is directly proportional to the velocity of the liquid flowing through the meter.

Vortex flow meters are best suited for flow measurements where the introduction of moving parts presents problems.

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