Rectifier power supply

Product Introduction to Pipeline Resistance Heating Systems (Impedance Heating): Pipeline resistance heating systems utilize the pipeline itself as the heating element, directly energizing and heating the pipeline with low-voltage, high-current electricity. The system comprises a power transformer, a control panel, and a flange isolation assembly, designed to maintain pipeline temperature or raise fluid temperature to prevent high‑pour‑point media from solidifying and causing blockages. Application: Thermal insulation for crude oil pipelines; heat tracing for pipelines transporting heavy oil, fuel oil, and molten media such as asphalt and sulfur; temperature maintenance for chemical process pipelines. Product features: The pipeline itself serves as the heating element, eliminating the need for additional heating elements and achieving extremely high thermal efficiency.

Electric preheating power supply system (special for directly buried heating pipelines) product introduction electric preheating power supply system is the core equipment specially used for electric preheating installation of directly buried hot water pipelines in cities and towns. The power supply is connected with working steel pipes through cables to form a closed loop, and alternating current is converted into low voltage and high current electric energy to act on the preheating pipe section. The pipe is heated to the designed preheating temperature by using the resistance heating principle of the steel pipe itself. The system consists of high-power transformer, control cabinet, terminal board, flange isolation kit, etc. Application of Urban Central Heating Directly Buried Hot Water Pipeline Installation Large Diameter Long Distance Heating Pipe Network Construction Cogeneration Cleaning

Introduction to the Rectifier Power Supply for High-Power DC Arc Heaters: The multi-mode rectifier power supply for high-power DC arc heaters employs multi-pulse rectification technology. Utilizing a multi-split rectifier transformer and a rectifier power cabinet, it delivers high-voltage, high-current DC power to power high-power DC arc heaters. Applications include high-power DC arc heaters, aerospace thermal testing, high-temperature material property evaluation, plasma generation devices, and high-enthalpy wind tunnels. Key product features: multi-mode current and voltage output to meet the operational requirements of various types of DC arc heaters; supports high power levels up to 50MW for DC arc heating.

Product Introduction: The DC heating rectifier power supply is a rectification device that provides DC heating power to equipment such as sapphire furnaces, single-crystal furnaces, and graphite reactors. It employs IGBT pulse-width modulation control or thyristor rectification to output low-voltage, high-current DC power, featuring high precision and excellent stability. Application: Sapphire crystal growth furnaces, single-crystal silicon magnetic field heating furnaces, graphite reactors, vacuum furnaces/atmosphere furnaces, metal heating and electrolysis. Product features: High-frequency switching technology eliminates vibration and noise in the magnetic field heating of single-crystal furnaces, enhancing product quality; stacked control design, high power factor, high conversion efficiency, and low harmonic distortion.

Introduction to Electrolytic Polishing and Wastewater Treatment Power Supplies: These power supplies are designed for surface treatment and environmental protection applications, offering medium to low power output. Utilizing high-frequency switching technology, they feature low ripple and high precision, making them suitable for processes such as stainless steel electrolytic polishing and electrochemical degradation of wastewater. Application: Stainless steel electrolytic polishing, wastewater treatment via electrolysis, electrochemical surface treatment, and corrosion processing. Product features: Microsecond-level rapid protection with fast response; equipped with computer control and communication capabilities, supporting interfaces such as RS485 and Profibus; the structure adopts…

Introduction to High-Power Electrolytic Power Supplies (for the Electrochemical Industry) High-power electrolytic power supplies are large-scale rectifier systems designed for the electrochemical industry. They are suitable for the electrolysis of non-ferrous metals such as copper, aluminum, magnesium, and zinc, as well as for large-scale chemical processes like the electrolysis of brine to produce caustic soda and chlorine. The output current can reach tens of thousands of amperes, and the equipment typically adopts a cabinet-type or open-frame structure. Applications include non-ferrous metal electrolytic refining (copper, zinc, lead), electrolytic production of caustic soda and potash, smelting of precious metals such as gold and silver, rare-earth smelting (e.g., NdFeB), carbon plants, and diamond smelting. Product features: output current ranges from 1,000 A to 50.

Introduction to Power Supplies Dedicated to Electrolytic Hydrogen Production: Electrolytic hydrogen production power supplies are rectifier devices that connect the power grid to the electrolyzer, converting alternating current into stable direct current to drive water electrolysis for hydrogen generation. Depending on the electrolyzer type (alkaline ALK/PEM) and the technological route, hydrogen production power supplies are classified into two categories: thyristor-based and IGBT-based. Application of alkaline electrolysis (ALK) and PEM electrolysis for green hydrogen production in wind–solar‑hybrid projects: industrial decarbonization and green hydrogen metallurgy. Product features: IGBT-based hydrogen generation power supply with an output response time of less than 100 ms, enabling immediate response to rapid fluctuations in photovoltaic and wind power generation.

Product Introduction: SCR-Based Electrolytic Rectifier Power Supply The SCR-based electrolytic rectifier power supply uses thyristors as power devices and employs phase-shift triggering for voltage and current regulation, making it suitable for high-power electrolysis applications. Characterized by robustness and durability, as well as relatively low cost, it is a mature solution in the fields of hydrometallurgy and hydrogen production. Applications include high-power electrolytic metallurgy (aluminum, magnesium, zinc, etc.), hydrogen production via water electrolysis (alkaline electrolyzers), caustic soda and chlorine production through brine electrolysis, as well as electric heating for carbon plants and refractory materials. Key product features: output current up to 0–50,000 A, wide power range per unit, and DC output.

Introduction to High-Frequency Switching Electrolytic Power Supplies (IGBT/PWM Type): These power supplies utilize IGBT power devices and PWM modulation technology to convert AC power into low-voltage, high-current DC power, making them suitable for electrochemical processes such as electrolysis, electroplating, and anodizing. Compared with traditional thyristor-based rectifier power supplies, it offers significant advantages such as a compact footprint, high efficiency, low ripple, and high control accuracy. Applications of non-ferrous metal electrolysis: hydrogen production via copper, aluminum, zinc, magnesium, lead, manganese, and other metals; electrolytic saltwater treatment; electroplating and electropolishing; wastewater electrolysis and electrochemical treatment. Product features: compact size and weight, with adjustable dimensions.

Product Introduction: The high-voltage DC pulse power supply superimposes high-voltage pulses on a DC high-voltage output, making it suitable for industrial and medical applications that require pulsed electric fields or pulsed power. The pulse frequency and pulse width are adjustable, accommodating various process requirements. Applications: Electrostatic dust removal, irreversible electroporation for tumor ablation, excimer laser-based surface treatment of materials. Product features: Pulse frequency adjustable from 100Hz to 500 Hz; pulse width adjustable from 1 μs to 100 μs; DC and pulsed outputs can be superimposed; robust interference immunity, suitable for harsh electromagnetic environments; when used in the medical field, it can switch between radiofrequency ablation and irreversible electroporation.

Product Introduction: The modular high-voltage DC power supply adopts a multi-module series-parallel architecture, achieving high-voltage, high-power output through input parallel connection and either output series or output parallel connection. Suitable for industrial and research applications that require high reliability and scalability. Application: High-power RF amplifiers, scientific research experimental setups, industrial lasers, particle accelerators. Product features: Modular design, supports N+1 redundancy and online capacity expansion; multi-pulse rectification input with low harmonic distortion; supports parallel operation for output power scaling up to the MW level; equipped with a remote control interface for precise adjustment and real-time monitoring; multiple protection functions including overvoltage and overcurrent protection.

Product Overview: The high-voltage DC remote power supply system adopts a “near-end step-up, far-end step-down” architecture. It converts near-end AC power into high-voltage DC (typically 280V to 800V), transmits it over long distances via cable to the remote equipment, and then steps down the voltage to the level required by the load. The single-wire series connection scheme can significantly reduce cabling costs by approximately 80%. Applications: 5G base station remote power supply, highway monitoring equipment power supply, tunnel lighting and electromechanical equipment, and communication base stations in remote areas. Product features: Transmission loss is reduced by approximately 30% compared to AC power supply; it employs single-wire series technology, ensuring equal current to each remote load and high system stability.

Product Introduction: The communication high-voltage DC power supply system converts AC power into high-voltage DC power, providing an uninterruptible power supply for telecommunications equipment and IT loads in data centers. The system adopts a modular architecture, comprising an AC distribution unit, rectifier modules, a battery pack, a DC distribution unit, and a monitoring module, with nominal output voltages of 240 V, 336 V, or 800 V. Applications: Communication base stations, data centers/IDC facilities, financial and government data centers, 5G base stations. Remote power supply product features: Approximately 30% energy savings compared to traditional UPS systems; modular design, supports N+X redundancy.

Product Overview: This system is a high-voltage DC remote power supply solution that integrates three core technologies—N+1 redundant power supply, power-line carrier-based remote monitoring, and floating-ground safe power supply. The system consists of a central‑office step‑up unit, a remote‑end step‑down unit, and a monitoring and management module. It boosts the data center’s DC base power supply (−48 V) or AC power to high‑voltage DC (typically 280–800 V), transmits it over long distances via power cables to remote equipment, and then steps it down to the voltage required by the load. The three core technologies work in synergy: N+1 redundancy ensures redundant backups for both the central office and remote power modules, so that when a single module fails, the system…

Product Overview: The electrophoresis rectifier power supply is a DC power‑supply device specifically designed for the electrophoretic coating process. Its primary function is to convert AC power into adjustable‑voltage, adjustable‑current DC power, thereby applying a DC electric field between the anode in the electrophoresis tank and the workpiece (cathode), enabling the electrophoretic coating to deposit uniformly on the workpiece surface as a film. Electrophoretic coating is a coating process in which the workpiece is immersed in a water-based paint, and a direct current is applied between two electrodes. The physicochemical effects induced by the electric current cause the paint to precipitate onto the surface of the workpiece in a water-insoluble form, thereby forming a uniform coating film. As a critical piece of ancillary equipment in an electrophoretic coating line, the performance of the rectifier power supply directly determines…

Product Overview: The heating rectifier power supply is a DC power supply device specifically designed for industrial electric heating applications. Its primary function is to convert three-phase AC power into adjustable-voltage DC power, providing stable DC power to loads such as graphite heating elements, resistance heating tubes, and induction heating coils. Its operating principle is as follows: After being isolated and stepped down by a rectifier transformer, the AC power is converted into an adjustable DC output by silicon-controlled rectifiers or diode rectifiers. Closed-loop control is employed to ensure the stability and accuracy of the heating power. In the field of industrial heating, DC heating offers significant advantages over conventional AC heating: DC electric heating eliminates the skin effect associated with AC current and

Product Overview: The oxidation rectifier power supply is a DC power supply device specifically designed for anodic oxidation processes on metal surfaces. Its primary function is to convert three-phase AC power into adjustable DC voltage and current, providing a stable anodic oxidation current to aluminum, magnesium, titanium, and other metal workpieces in the oxidation bath. Its operating principle is as follows: After being isolated and stepped down by a rectifying transformer, the AC power is rectified into an adjustable DC output using thyristors or high-frequency switching devices. A closed-loop current- or voltage-regulation control ensures uniform and dense oxide film growth. The core requirements of the anodizing process for the power supply are current stability and controllable output waveform. The typical anodizing current density is 1.

Product Overview: The electrolytic rectifier power supply is a high-power DC power supply specifically designed for electrochemical processes. Its primary function is to convert three-phase AC power into low-voltage, high-current, highly stable, and adjustable DC power, providing continuous and reliable DC power to the electrolytic cell. Its operating principle is as follows: Three-phase AC power is isolated and stepped down by a rectifier transformer, then rectified into an adjustable DC output using thyristors or high-frequency switching devices. Current equalization is achieved through in-phase inverse-parallel or modular parallel connection techniques. Electrolytic rectifier power supplies are widely used in non-ferrous metal electrolysis (copper, aluminum, zinc, lead, manganese, etc.), chlor-alkali chemical industry, water electrolysis for hydrogen production, chlorine generation via electrolysis, and gold…

Product Overview High-voltage rectified DC power supply is a special power supply equipment that converts alternating current into high-amplitude DC voltage output. The output voltage is usually in the thousands of volts to hundreds of kilovolts, and the output power ranges from hundreds of watts to tens of kilowatts. Its core function is to provide stable, low-ripple DC power for loads that require high-voltage DC bias or power. Different from conventional DC power supply, the core technical difficulties of high voltage rectifier DC power supply lie in the design of high voltage insulation, the control of electric field homogenization and the limitation of output energy storage. When the output voltage reaches tens of kilovolts, air insulation can no longer meet the requirements and oil insulation is required.

Product Overview The high-current rectifier DC power supply is a high-power DC power supply equipment designed for industrial electrochemistry and special smelting scenarios. The core feature is the large output current capability (usually from thousands of amperes to hundreds of thousands of amperes) while maintaining a low output voltage. Its basic working principle is: three-phase alternating current after the rectifier transformer isolation step-down, by the thyristor or diode rectifier devices into adjustable DC output, through the same phase reverse parallel or module parallel technology to achieve a balanced distribution of current. Unlike conventional DC power supplies, the core technical difficulty of high-current rectifier power supplies lies not in voltage regulation, but in oversized