PV Hydrogen DCDC Supply
Product Overview:
LCX Power-PZQ PV-to-Hydrogen DC-DC converter is a dedicated DC conversion power supply for green hydrogen production systems.
It adopts high-frequency isolated IGBT topology, integrates MPPT maximum power point tracking function.
It converts fluctuating DC power from PV arrays into stable adjustable DC power for alkaline electrolyzer and PEM electrolyzer.
Fully-digital dual-loop control realizes fast dynamic response to adapt to rapid power fluctuation of photovoltaic energy.
Modular parallel design supports capacity expansion for small-scale distributed hydrogen production and large-scale centralized PV-hydrogen projects.
It improves solar energy utilization, reduces system loss, and provides reliable DC power source for photovoltaic direct-coupled hydrogen production systems
Typical Applications：
· PV direct-coupled off-grid green hydrogen production station
· Distributed photovoltaic hydrogen-production micro-grid system
· Alkaline / PEM electrolyzer supporting DC power supply
· Wind-solar-hydrogen multi-energy complementary demonstration project
· Large-scale centralized new-energy hydrogen-production base
· Research laboratory hydrogen-production test platform
Technical Specifications：
1. Core Topology & MPPT Control
High-frequency isolated IGBT power conversion topology, built-in high-performance MPPT algorithm, adapt to wide PV input voltage range, maximize solar power utilization. Modular design, multiple units parallel for capacity expansion, flexible system configuration。
2. Electrical Performance
· PV side DC input：Wide-range DC input, compatible with 1000V /1500V PV arrays
· Output DC：Wide adjustable voltage & current, adapt to different types of electrolyzers
· Max conversion efficiency ≥98.5%
· Output current ripple ≤1%；Steady-state current accuracy ≤±0.5%
· Fast dynamic response ≤100ms, track rapid power change of photovoltaic system
3. Multiple Operation Modes
Support constant-current, constant-voltage, constant-power, MPPT tracking modes; seamless mode switching. Can work cooperatively with upper-layer EMS energy management system to realize intelligent power scheduling for hydrogen-production system
4. Comprehensive Protection Functions
Over-voltage, under-voltage, over-current, short-circuit, over-temperature, reverse-connection protection. Support electrolyzer anti-reverse-current interlock, fault alarm and fault record function, ensure safe operation of electrolyzer stack
5、Human-Machine Interface & Communication
Color touch-screen HMI with Chinese-English bilingual display. Real-time monitoring of PV input, hydrogen-production output power, operating status and fault information. Standard RS485, CAN, Ethernet interfaces, support Modbus protocol for remote monitoring and data upload
6、Cooling & Environmental Adaptability
Air-cooled / water-cooled optional. Strong environmental adaptability, adapt to outdoor container-type hydrogen-production cabinet. Wide operating temperature range, anti-dust design, meet the requirement of new-energy hydrogen-production site
Technical Parameters and Selection
Technical Parameters and Selection
