Arc welding. Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals, when cool, result in a binding of the metals. It is a type of welding that uses a welding power supply to create an electric arc between a metal stick ("electrode") and the base ...
The designs have been simulated and the results obtained show how these two designs satisfy the requirement of the power supply for arc welding process. The performance …
Power impact frequently occurs during operation of shock loads, such as fusion devices, threatening the stable operation of the power system. Meanwhile, both short-time high pulse and long-time steady power exist, which have distinct time scales and amplitude characteristics. Currently, the capacity of power supply system is designed according to …
Arc welding, often asked as what is arc in welding, is the type of welding process that uses an electric arc to produce heat to melt and join metals. A power supply creates an electric arc by using direct (DC) or alternating (AC) currents between a consumable or non-consumable electrode and a base material.
Electronics 2023, 12, 1702 3 of 16 Electronics 2023, 12, x FOR PEER REVIEW 3 of 17 DC current power supply 1 DC current power supply 2 + º + º I I workpiece Welding direction Arc 1 Arc 2 Figure ...
This paper proposes a multi-output welding power supply that is based on the middle DC converter distributed architecture.
This paper proposes an efficient bridgeless power factor corrected (PFC) modified single ended primary inductor converter (SEPIC) for arc welding power supplies (AWPS). The overall configuration is composed of two converters: (1) a modified bridgeless SEPIC PFC converter, which is controlled by a PI controller to achieve a high power …
In this article, a dc/dc topology is proposed for welding power supply that achieves a high conversion efficiency of over 94%, requiring ac 220 and 440 V operation. The secondary ...
Moreover, due to the increase in frequency and other factors, it brings many advantages compared with traditional arc welding power sources. The main characteristics are as follows: (1) Small size, light weight, material saving, and easy carrying and movement. (2) High efficiency and energy-saving, with an efficiency of up to 80% to …
This paper presented a new configuration and control scheme for an arc welding power supply. The configuration was based on a modified bridgeless SEPIC …
In this paper, a metaheuristic optimized multilayer feed‐forward artificial neural network (ANN) controller is proposed to extract the maximum power from available solar energy for a three-phase shunt active power filter (APF) grid connected photovoltaic (PV) system supplying an arc welding machine. Firstly, in order to improve the …
In addition, the electrical characteristics of the arc load are introduced, the requirements of welding process for the power supply are analyzed, two kinds of waveform control schemes ...
A novel energy-retaining power supply for AC arc welding machines is proposed in this paper. In this kind of power supply, current-steering diodes connected across the output chokes keep the inductor current continuous and retain the energy during the commutation period, hence reducing the commutation time to ensure a better …
This paper proposes a multi-output welding power supply that is based on the middle DC converter distributed architecture. This machine includes two converter groups, and each …
advantages. This paper proposes a multi-output welding power supply that is based on the middle. DC converter distributed architecture. This machine includes two converter groups, and each group ...
The developed welding power supplies have an increased no-load voltage, which makes it possible to lightly ignite the arc during manual arc welding. Due to the increased power factor, the current ...
This paper presents the analysis, design and implementation of a power factor corrected Arc Welding Power Supply (AWPS) with a boost converter at the front end and three full-bridge (FB ...
Scheme of microplasma welding process: 1—the main power supply of direct current; 2—water-cooled copper nozzle; 3—tungsten electrode; 4—plasma-forming gas; 5—low-amperage power supply of the pilot arc; 6—ceramic nozzle; 7—shielding gas; 8—workpiece. For welding, a direct current (DC) source 1 is used.
Download Citation | On May 13, 2022, Jingzhang Zhang and others published Design of Multi-output Power Supply for Multi-electrode Arc Welding | Find, read and cite all the ...
The inverter module serves as a critical component in the conversion of electrical energy within arc plasma power sources, exerting a profound influence on the overall performance and stability of the power supply. Consequently, the meticulous design and precise control of the inverter module are of paramount importance in ensuring the …
3.6.1 Sensing System. The variables used in control are sensed, scaled and fed to the processor where the control schemes are applied. The signals include AC input voltage, welding current, OCV, arc voltage, arc length and sometimes additional voltage like capacitor or inductor voltage are used.
The maximum charging voltage of the system is 20 kV, the energy storage capacitor bank is 140 µF, and the maximum discharge energy is 28 kJ. The diagram of the single-switch system is shown inFig.3.
A 100A unit that runs from a single-phase 115-V input can be used for low-duty-cycle sheet welding to 0.125-in. thick, feeding wire to 0.030-in. diameter; while medium-duty power supplies, 150-200 A, normally take single-phase 220-V input are used to weld steel to 0.1875-in. and 0.035-in. wire at low duty cycles.
Abstract. Different types of electric power sources which are used for different welding processes are discussed. For low welding current, a tap-changed rectifier is used while, at higher currents ...
The full-bridge DC-DC converter topology fully responds to the requirements of the modern arc welding machines due to high power handling capability and a better use of the transformer magnetic core and power switches. In particular, the IGBT based full-bridge power supply solution is widely used in the arc welding retail market for the 3-phase ...
This paper describes improvements developed in an arc-welding power supply based on resonant inverters. A new standby operation sequence based on a sliding phase is proposed in order to reduce the discharge capacitor size. This standby solution also relieves the voltage specification of the resonant inductor. The interleaving …
This paper presents the characterization of a TIG welding process carried out by means of an arc welding power supply able to provide dc or pulsed current. The …
In many heating methods, DC high frequency switching power supply had several advantages, such as easy control of heating temperature, high conversion efficiency from electric energy to heat ...
This paper proposes a power-factor-corrected canonical switching cell (CSC) converter-based switched-mode power supply for arc-welding applications. In the proposed arc-welding power supply (AWPS), CSC converter operating in discontinuous inductor current mode (DICM) is used to attain inherent power factor correction. The …
1 Introduction. Many researches are developing on welding power sources because of its mother technology. These researches are done to achieve two goals, first: increasing welding quality and second: decreasing weight & size. The voltage supplied by power companies for industrial purpose is too high to use directly in arc welding.
Arc welding is a fusion welding process used to join metals. An electric arc from an AC or DC power supply creates an intense heat of around 6500°F which melts the metal at the join between two work pieces. The arc can be either manually or mechanically guided along the line of the join, while the electrode either simply carries the current or ...
With its excellent welding quality and high arc stability, tungsten inert gas (TIG) welding occupies a significant proportion in industrial production. However, the low current-carrying capacity of tungsten electrodes results in low welding efficiency, which significantly hampers the industry''s development. By compressing the arc and increasing …
This paper deals with the design of a new topology of arc welding power supply (AWPS) based on an active power filter (APF) suitable to feed an arc welding machine.
The multi-output power converters using different architectures can have significant efficiency advantages. This paper proposes a multi-output welding power supply that is based on the middle DC converter distributed architecture. This machine includes two converter groups, each group is composed of three-phase rectifier unit, full-bridge …