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Overview
Essential details：BUM60-1224-54-B-001-VC-VO Controllers
Inverter is a kind of power control equipment, the application of frequency conversion technology and microelectronics technology, by changing the motor working power frequency to control the AC motor power. Its main functions include:
Speed regulation: The most basic role of the inverter is to achieve stepless speed regulation of the motor by changing the frequency and voltage of the supply motor to meet the requirements of different production processes for motor speed and improve production efficiency.
Energy saving: When the frequency of the inverter is less than 50Hz, it will have a certain energy-saving effect. It can output the appropriate voltage and current to maintain the appropriate speed of the motor, thereby reducing the loss of the motor, saving energy and reducing production costs.
To achieve automatic control: the inverter can be used with the sensor to achieve closed-loop control, which is to realize the automation of the operation of the inverter.
Motor protection: The inverter has complete overcurrent, overload, overvoltage and other protection functions, which can achieve all-round protection of the motor.
Reduce the impact on the power grid: when the motor starts, there will be 6 to 8 times the rated current of the motor, after the frequency converter, the motor’s starting current becomes 2 to 3 times the rated current, thereby reducing the impact on the power grid.
Centralized control: Some brands of inverters have networking functions, can be directly connected to the INTERNET, or internal networking, which can realize the cluster control of inverters, can also be connected to the Internet of things and so on.
The structure of the inverter is complex, including multiple circuit modules, mainly composed of rectifier (converts AC power into DC power for subsequent circuit use), filter, inverter (converts DC power into AC power), brake unit, drive unit, detection unit micro-processing unit and so on.
BUM60-1224-54-B-001-VC-VO
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BUM60-1224-54-B-001-VC-VO Controllers
Specifically, the PPC controller first builds a physical model, puts the current information and the amount to be output into it, and then uses predictions and expectations as a cost function to find the output that can minimize the cost function, which is the current optimal output. The cost function is established on the basis of the expectation of the ideal route and the predicted result, which represents the difference between the ideal route and the current predicted result.
PPC controllers also have the following features:
Prediction of the future: Through the use of physical models and other prediction methods, PPC controllers are able to predict future states, enabling adjustment and control decisions to be made in advance.
Optimal control: During the control process, the PPC controller looks for the best output that minimizes the cost function to achieve optimal control.
Flexibility and robustness: PPC controller can deal with uncertainty and disturbance, and has good robustness. At the same time, it has the flexibility to adapt to different control needs and scenarios.
Calculation efficiency: By optimizing algorithms and mathematical models, PPC controller can complete calculation and control tasks in a short time, thereby improving the response speed and efficiency of the system.
In general, PPC controller is an advanced control technology, with the advantages of prediction, optimization, flexibility and efficiency, which can be widely used in various industrial control and automation fields.
