Xinouhua Power
Explore our premium grade switching mode power supplies, programmable variable sources, and phase converters designed for maximum operational efficiency.
Bridging High-Efficiency Power Networks to Meet Demanding Commercial, Scientific, and Industrial Ecosystem Standards
In modern industrial automation, electric vehicles, and renewable energy sectors, the demand for highly reliable single-phase DC-DC and conversion systems is expanding at an unprecedented rate. These modular sub-systems represent the core componentry for converting electrical signals with minimal switching losses, isolating high-voltage paths, and feeding precise current to sensitive testing structures. With China emerging as a leader in top-tier power component supply, identifying factories that conform to international standards such as CE, RoHS, and FCC is critical for engineering procurement directors.
Our engineering architecture optimizes DC-DC conversion alongside advanced AC/DC programmable sources to deliver systems with power densities that set industry benchmarks. By leveraging wide-bandgap (WBG) materials like Silicon Carbide (SiC) and Gallium Nitride (GaN), modern manufacturing setups achieve conversion efficiencies exceeding 92%, drastically lowering thermal mitigation budgets and hardware footprint sizes.
An Elite Leader in High-Power DC Power Supply R&D and Smart Energy Integration
Guangzhou Xinouhua Electronic Technology Co., Ltd. is located in the core electronic industry belt of Guangdong, Hong Kong and Macao Bay Area, focusing on the R & D and manufacturing of high-power DC power supply. The company has 1200 square meters of modern production space, equipped with 2 standard production lines, and a core technical team of 12 people; 20 years of industry experience, strictly following international standards, and the products have passed the EU CE certification, building a full-link quality management from research and development, production, and testing System to ensure the excellent performance, safety and stability of each power supply; is a collection of research and development, production, sales and technical services in one of the high power power solution technology enterprises.
With the product concept of "high power density, high reliability and high application value", we provide accurate test support and high stability power system solutions in automotive electronics, electric motors, photovoltaic new energy, third-party testing laboratories and other fields.
The core products include: standard variable frequency power supply, precision variable frequency power supply, constant current variable frequency power supply, programmable intelligent AC power supply, DC power supply, energy storage variable frequency power supply, UPS power supply. Build a service system that covers the entire product life cycle. Our products have been exported to Europe, North America, the Middle East, Southeast Asia and other global markets for four consecutive years, providing reliable power support for more than 1000 enterprises. From the Bay Area to the world, we are winning wide recognition in the international market with stable performance and professional power technology.
Analyzing High-Efficiency Power Topologies, Digital Control Loops, and Wide-Bandgap Semiconductor Integration
We deploy Phase-Shifted Full-Bridge (PSFB) and LLC Resonant converters. These topologies allow for Zero Voltage Switching (ZVS) on the primary bridge and Zero Current Switching (ZCS) on the secondary rectifiers, reducing EMI emissions and optimizing power path integrity.
Integration of Silicon Carbide (SiC) MOSFETs allows for faster switching frequencies (up to 150kHz in high power designs) and handles elevated junction temperatures with minimal heat sink volume, saving precious industrial enclosure footprint space.
By leveraging high-speed Digital Signal Processors (DSP) paired with ARM Cortex microcontrollers, our systems run predictive control algorithms to stabilize voltage and current loops, keeping voltage ripples under 0.5% RMS.
| Performance Indicator | Legacy Technology (Silicon) | Advanced Technology (SiC / GaN) | Operational Impact |
|---|---|---|---|
| Switching Frequency | 20 kHz - 50 kHz | 100 kHz - 300 kHz | Reduces magnetic component mass by up to 40% |
| Conversion Efficiency | 82% - 87% | 92% - 97.5% | Minimizes operational cooling expenses and carbon footprint |
| Power Density | 0.5 W/cm³ | 1.8+ W/cm³ | Enables compact cabinet and rack integration layouts |
| Total Harmonic Distortion | < 5% | < 2% | Prevents electromagnetic distortion on sensitive test equipment |
We believe that absolute reliability stems from a rigorous and well-equipped manufacturing cycle. Our assembly and diagnostic tools represent the pinnacle of current testing technologies.
Assembly
Testing
Assembly Line
AC Power Source
AC & DC Withstand Insulation Tester
LCR Meter
Load Box
High-Precision Digital Power Meter
Aging Rack
Analog Oscilloscope
Oscilloscope
DC Power Supply
Ensuring absolute compliance with key regional regulations and safety guidelines across global trade lanes
B2B procurement structures in the European Union, the Americas, and the Asia-Pacific region demand absolute transparency regarding raw-material sourcing, supply chain continuity, and electrical safety standards. All conversion modules engineered by Guangzhou Xinouhua comply with strict quality checkpoints from inbound component screening to full-load environmental chamber aging cycles.
We provide comprehensive certification trace portfolios including European CE certificates, electromagnetic compatibility (EMC) testing reports, and safety insulation verification sheets. With native RS232, RS485, and USB telemetry support embedded in our systems, integration with SCADA networks, industrial PLCs, and lab visualization environments (LabVIEW) is direct and hassle-free.
Full compliance with the Low Voltage Directive (LVD) and Electromagnetic Compatibility (EMC) requirements ensures smooth entry into European target markets.
Every single power supply unit undergoes prolonged heat run and burn-in phases under fully rated operational conditions before packaging to eliminate early-life infant failures.
Robust defense mechanisms: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Over-Temperature Protection (OTP), and Short Circuit Protection (SCP).
Deep-dive engineering questions answered by our power solution specialists
By designing high-frequency transformers with controlled leakage inductance and matching them with optimized phase-shift angles in a bridge structure. This dynamic control permits the parasitic capacitances of the MOSFETs to discharge entirely before gate-drive signals trigger on-state conductance.
Our digital power source equipment supports Modbus-RTU and Modbus-TCP protocols over hardware interfaces including RS232, RS485, USB, and LAN ports. Hardware-isolated communication prevents high-voltage spikes from disrupting control circuits.
Yes. Our variable frequency converters can output adjustable AC profiles spanning 45Hz to 250Hz (and up to 400Hz for specialized aerospace applications) and regulated, ripple-free DC voltages up to 1500V depending on system configuration.
We provide tailormade engineering services covering specific chassis enclosures, custom voltage/current sweeps, unique power limits, and multi-channel system integration. Our R&D group generates conceptual schematics and thermal models within 7 to 14 business days.
Premium hardware systems featuring variable interfaces, active power factor correction, and programmable telemetry control profiles