High-efficiency, modular, and intelligent power conversion systems designed for global industrial, telecommunication, and mission-critical infrastructure applications.
Explore our leading industrial power modules, rectifiers, and high-efficiency switching systems.
Space-saving designs from 1U modules to scalable multi-rack cabinets optimized for restricted installations.
Native integration of SNMP, Modbus, and RS485 interfaces for remote system health and real-time alarms.
Ensure zero downtime during routine maintenance or expansion with true modular hot-plug capabilities.
Designed and tested to meet international safety and green emission parameters including CE, RoHS, and FCC.
Industrial ecosystems, cloud computing arrays, and telecommunication footprints are undergoing rapid transformation. The legacy framework of utilizing discrete power assemblies—consisting of stand-alone AC-DC rectifiers, isolated DC-DC converters, dynamic charge controllers, and manual transfer switches—is increasingly obsolete. Modern engineers demand consolidated architectures: Integrated DC Supplies. These unified power platforms integrate rectification, battery charging, distribution, and thermal management into a single, cohesive enclosure.
As energy efficiency mandates stiffen globally, power quality and conversion loss mitigation have taken center stage. The integration of components in a factory-tested environment reduces system impedance, eliminates wiring complexities, and optimizes heat dissipation. Additionally, the transition toward decentralized green energy sources, microgrids, and electric vehicle (EV) fleets necessitates robust, bidirectional, and highly responsive DC energy distribution networks. By leveraging a single point of intelligence, modern Integrated DC Supplies facilitate active power factor correction (PFC), adaptive voltage regulation, and automated thermal throttling.
Established in the major international trading hub of Guangzhou, Guangzhou EVS Powers Co., Ltd. stands as a premier manufacturer, designer, and OEM/ODM service provider of switching power supplies, integrated DC power systems, modular power supplies, DC-DC converters, and power inverters. Guided by customer satisfaction and technical innovation, EVS Powers designs, tests, and delivers complex power solutions tailored to domestic and foreign markets across Europe, North and South America, Australia, the Middle East, and Southeast Asia.
Operating with a focus on strict quality control and cost efficiency, EVS Powers utilizes an advanced array of production technologies to manufacture high-yield, high-efficiency power modules. Our technical expert teams collaborate directly with municipal grids, telecom companies, and automated factory operators, delivering customized configurations that support complex input/output conditions, environmental protection ratings, and remote telemetry standards.
Our factory processes leverage precision assembly pipelines and automated processing to guarantee mechanical reliability and electrical integrity across every production batch:
Wire Cutting
Plug-In
Soldering Tin
Test
Glue Filling
Burn-In Test
Packaging
Winding Machine
Wire Cutting Machine
Automatic Soldering
Laser Engraving
Canning Machine
Assembly Line
Every integrated DC power supply system must satisfy rigorous evaluation criteria before deployment. EVS Powers maintains a suite of diagnostic, thermal, and high-voltage testing equipment to verify long-term performance:
Inspection Center
DC Power Tester
Withstand Voltage
Climatic Chamber
Optical Inspection
Aging Test Room
Design Lab
How our integrated DC supply systems address demanding operating environments worldwide.
Modern telecommunication networks demand uninterrupted, stable 48VDC supply systems. EVS Powers provides 1U and modular rectifiers with high-efficiency output and hot-swap designs, ensuring telecom towers remain operational under extreme climatic fluctuations.
Substation controls, switchgears, and automated heavy machinery rely on highly regulated 110V or 220V DC supply systems. Our integrated modules manage sudden load shifts, high fault currents, and input line transients, protecting critical components.
Automated warehouses and assembly floors rely on non-stop operational cycles of Automated Guided Vehicles (AGVs). Our specialized 48V DC-DC charger modules provide swift recharge currents, managing high duty cycles and safety protocols.
The architectural foundation of Guangzhou EVS Powers' integrated DC units centers on high-frequency switching technology. Standard silicon configurations are optimized to execute Zero Voltage Switching (ZVS) and Zero Current Switching (ZCS) parameters. This dramatically curtails switching losses during operational phases, allowing EVS rectifiers to achieve standard energy conversion efficiencies exceeding 95%.
To prevent thermal throttling or component failures in enclosed areas, our systems incorporate specialized airflow dynamics. In outdoor applications, such as our integrated telecom enclosures, thermal integrity is managed using specialized thermal units—for instance, the EVS 1500W R134a Integrated Outdoor Air Conditioner. This subsystem actively cools the inner cabinet space, neutralizing the thermal output of the DC rectifier and battery stacks. The design ensures components operate within their nominal temperature ranges, extending the service life of internal capacitors and power semiconductor modules.
Remote infrastructure monitoring is essential for minimizing operational maintenance costs. By integrating Modbus RTU (via RS485 serial buses) and SNMP (via Ethernet interfaces), our integrated DC supplies transmit system health parameters to centralized Network Operation Centers (NOC). Parameters monitored include:
This level of telemetry enables preventive maintenance strategies, allowing operators to dispatch technical support before a power system failure triggers an outage.
Navigating international regulatory frameworks is a core competency of Guangzhou EVS Powers Co., Ltd. Our integrated DC supplies are engineered to comply with harmonized global standard protocols. For European markets, CE certification ensures conformance with Electromagnetic Compatibility (EMC) Directive 2014/30/EU and Low Voltage Directive (LVD) 2014/35/EU. Additionally, RoHS compliance guarantees that our products restrict hazardous substances, minimizing environmental impact.
For North American deployments, our power products are designed to accommodate 60Hz grids with input levels varying from single-phase 110/220VAC to three-phase 380/480VAC. Furthermore, our units incorporate advanced harmonic attenuation circuits to meet IEEE 519 standards. This prevents noise injection back into the municipal grid, protecting nearby sensitive communication equipment.
As power electronics advance, the next generation of Integrated DC Supplies will leverage Wide Bandgap (WBG) semiconductors, specifically Silicon Carbide (SiC) and Gallium Nitride (GaN) technologies. The implementation of SiC rectifiers and GaN switches allows for elevated switching frequencies with lower losses. This enables our research teams to shrink the volumetric size of passive components, such as inductors and transformers, leading to:
Furthermore, we are incorporating AI-driven health prognostics. By using embedded processors to analyze subtle drifts in ripple voltages and switching frequencies, the power system can predict capacitor dry-out or fan failure months in advance. This ensures high system reliability for mission-critical operations.
Explore our specialized high-voltage rectifiers, localized chargers, and climate control units.
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EVS Powers