China Gwell Co., Ltd
CHINA GWELL ·Company vision: Innovation promotes company's progress ·Customer vision: Expertise creates customer's values ·Employees vision: Creation realizes staff's values ·Product vision:
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Electrical Control System
1. Overview of the electrical control system
The so-called electrical control system refers to a combination of several electrical components to realize the control of one or some objects, so as to ensure the safe and reliable operation of the controlled equipment. The main functions of the electrical control system are: automatic control, protection, monitoring and measurement. Its composition mainly has three parts: input part (such as sensors, switches, buttons, etc.), logic part (such as relays, electric shocks, etc.) and execution part (such as electromagnetic coils, indicator lights, etc.).
2. The design principles of our company's electrical system
(1) To maximize the realization of the requirements of production machinery and technology for electrical control circuits;
(2) On the premise of meeting production requirements, strive to make the control circuit simple and reliable;
(3) Ensure the reliability and safety of the control circuit work;
(4) Convenient operation and maintenance.
3. The function of our company's electrical control system
(1) Automatic control function. The volume of high-voltage and high-current switchgear is very large. Generally, operating systems are used to control opening and closing. Especially when the device fails, the switch needs to automatically cut off the circuit, and there must be a set of automatically controlled electrical operation equipment. Automatic control of power supply equipment. To
(2) Protection function. Electrical equipment and lines will fail during operation, and the current (or voltage) will exceed the allowable working range and limits of the equipment and lines. This requires a set of detection of these fault signals and automatic adjustment of the equipment and lines (disconnect, Switching, etc.) protection equipment. To
(3) Monitoring function. Electricity is invisible to the eyes. Whether a device is powered or powered off is indistinguishable from the outside. This requires setting up various audio-visual signals, such as lights and sounds, to conduct electrical monitoring of the primary device. To
(4) Measurement function. Light and sound signals can only qualitatively indicate the working status of the equipment (powered or powered off). If you want to know the working status of electrical equipment quantitatively, you also need various instrument measuring equipment to measure various parameters of the circuit, such as voltage , Current, frequency and power etc.
4. Introduction of our company's electrical system components
Our company's electrical system mainly consists of the following three types: (1) the electrical control system of the cast film production machine (2) the electrical control system of the sheet production machine (3) the electrical control system of the sheet production machine. The system consists of the following components: operation cabinet, operation panel, PLC, temperature control meter, frequency converter, three-roller and tractor controller, relay, circuit breaker, air switch, indicator light and other components.
Gwell Machinery is a high-tech enterprise, committed to providing customers with plastic sheet, board, film and other extrusion lines. Gwell can provide turnkey projects, such as stone paper project, EVA solar film project, PP building formwork equipment,etc. Gwell has a strong technical equipment strength and key capacity, committed to high-end product development, international market development. “Realize customer value" is the company's long-term business philosophy.The manufacturing bases of the company are located in Taicang, Suzhou, which is close to the beautiful scenery of Shanghai, Yancheng Dafeng, the hometown of Red-crowned crane, and Nantong, the hometown of Education and longevity in China. It covers a total area about 150,000 square meters. It has an annual production capacity of more than 200 extrusion lines of various types of sheet and board.