Best cut to length line supplier factory: What does the rated value on the nameplate of the transformer mean? The rated value on the transformer nameplate refers to some important electrical parameters and performance indicators of the transformer. Usually includes the following aspects: Rated capacity: The rated capacity of a transformer refers to the maximum load electric power that the transformer can continuously supply. For example, a 10MVA transformer means that the transformer’s maximum load can reach 10 megawatts. Rated voltage: The rated voltage of the transformer refers to the design voltage of the transformer. For example, a 220kV/110kV transformer means that the input voltage of the transformer is 220 kV and the output voltage is 110 kV. Rated frequency: The rated frequency of a transformer refers to the power frequency for which the transformer is designed. In China, the power frequency is usually 50Hz. Short-time withstand current: The short-time withstand current of a transformer refers to the maximum current value that the transformer can withstand in a short period of time. For example, the short-term withstand current of a transformer is 50kA, which means that the transformer can withstand an instantaneous current of up to 50 kA. Read even more details on transformer coil.
What is eddy current? What are the disadvantages of eddy current generation? Eddy current refers to a kind of current generated in the conductor, which is the induced current caused by the change of the magnetic field. The eddy current forms a circular current flow path in the conductor, and this current forms a motion state similar to an eddy current inside the conductor, so it is called an eddy current. The generation of eddy currents has the following disadvantages: Energy loss: Eddy currents create circular currents in conductors, which generate heat as they flow continuously in conductors. Since the generation of eddy currents is caused by changes in the magnetic field, in equipment such as transformers and motors.
Epoxy resin is non – combustible, flame retardant, self – extinguishing solid insulation material, safe and clean. It is also a solid insulation material with proven insulation and heat dissipation technology for more than 40 years.Epoxy resin products can be used for dry type transformer, for insulation parts, for instrument transformer, for electrical composite parts and for room temperature curing. Epoxy resin dry transformer uses epoxy resin as insulation material. The high and low voltage windings are made of copper tape (foil), industrial epoxy resin is poured in vacuum and cured, forming a high strength FRP body structure. Insulation grade F, H. Epoxy resin dry transformer has the characteristics of good electrical performance, strong resistance to lightning impact, strong resistance to short circuit, small size and light weight. Temperature display controller can be installed to display and control the operating temperature of the transformer winding to ensure the normal service life of the transformer.
Three-dimensional wound core transformer breaks through the traditional triangle plane structure, adopts three-phase symmetric vertical structure, magnetic circuit completely symmetrical three-phase core products, magnetic resistance is greatly reduced, excitation current, no-load loss, is a kind of using traditional materials, but lower operating noise, structure is more compact and efficient energy-saving oil type transformer. Its excellent performance in energy saving and energy saving and environmental protection is in line with China’s energy conservation policy.
A transformer core is a static device that provides a channel for magnetic flux to flow in a transformer. The core is constructed using thin strips of silicone steel. The silicon steel sheets are electrically isolated and coupled to reduce no-load losses in the transformer.The core of a transformer is made of soft iron. Transformers are used in various fields like power generation grid, distribution sector, transmission, and electric energy consumption.
Founded in 2002, CANWIN Automatic Equipment Manufacturing Co., Ltd. is one of the largest electrical equipment manufacturers in China. We focus on the R&D for Silicon Steel Sheet Cut To Length Lines, Silicon Steel Sheet Slitting Line, Transformer Foil Winding Machines and other equipment. Adhering to the business route of High-end Manufacturing+ Smart Equipment + Smart Factory, we established the Silicon Steel Sheet Engineering Technology Research Center, Metal Strip Precision Cutting Key Technology & Equipment Engineering Center, and Power Transformer Intelligent Manufacturing Center to improve the shearing precision and speed. We have contributed the upgrading and innovating of global power industry institutions.
CANWIN AUTOMATICEQUIPMENT CO.,LTD is a global leading foil winding machine supplier & manufacturer with over 20 years of experiences.Ribbon foil winding machine has unique appearance, convenient operation, intuitive data display, high degree of automation, and is well received by users. This foil winding machine is widely used in oil-immersed transformer, dry transformer, special transformer and reactor production required. Foil coils are of different thicknesses copper or aluminum foil as a conductor, with wide ribbon insulation material as the insulation between layers, with narrow ribbon insulation material as the end insulation, completed winding one time, forming a coil. The inner and outer leads of the coil are welded and wrapped up at the same time.
The transformer core provides a magnetic path to channel flux. The use of highly permeable material (which describes the material’s ability to carry flux), as well as better core construction techniques, helps provide a desirable, low reluctance flux path and confine lines of flux to the core. An electrical distribution cabinet is a part of an electrical system whose task is to distribute electrical energy. It includes distribution, protection, measurement, control and signaling instruments. The electrical distribution box also contains wires, various types of insulation, and support components. Discover extra info on https://www.canwindg.com/
With the development of the times, people’s demand for power supply and the reliability of power supply are increasingly high, so the smart grid has emerged accordingly.In the power system, the core and hub of the substation is the transformer.The function of the transformer is mainly to distribute and convert electric energy. The normal operation of the transformer directly affects the normal function of the substation.The intelligent operation of the transformer mainly involves the protection and status monitoring of the transformer, so as to achieve real-time monitoring of the transformer and ultimately ensure the safety and reliability of power supply.
To accommodate the needs of grid voltage changes, the high-voltage side of the transformer has taps, which can be adjusted by adjusting the number of turns in the high-voltage winding to regulate the output voltage on the low-voltage side. Rated current (A): The current allowed to pass through the transformer for a long time under rated capacity. No-load loss (kW): The active power drawn when a rated voltage at rated frequency is applied to one winding terminal and the remaining windings are open circuit.It is related to the performance and manufacturing process of the core silicon steel sheet, as well as the applied voltage.
Power Quality and Distribution Transformers – The efficiency of distribution transformer substations is significantly affected by power quality. These transformers, which are critical components of the electrical distribution system, convert high-voltage electricity into lower voltage levels suitable for end-use applications. The performance and efficiency of these transformers largely depend on the quality of power they receive. Poor power quality, characterized by voltage sags, swells, harmonics, and flicker, can lead to increased losses in power distribution transformers. These losses can be categorized into two types: core losses and copper losses. Core losses occur due to variations in the magnetic field within the transformer’s core, while copper losses occur due to the resistance of the transformer’s windings. Both these losses are exacerbated under conditions of poor power quality, leading to decreased efficiency of the transformer.