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Liquid cooling AC/DC+DC/DC two-stage topology lGBT power supply

AC-DC/DC-DC two-stage topology hydrogen power supply (liquid cooling)

Performance characteristics

Lower Harmonic

With harmonic suppression function, AC side Thdi≤3%, good net-related characteristics

Modular Design

Easy maintenance, good parallel characteristics, easy system expansion

Wide Range of Voltage Regulation

Supports 0-900Vdc output

Power Grid Adaptability

Wide voltage, frequency adaptability, support low short-circuit ratio weak power grid operation

Strong Ability to Adapt to Environment

Liquid cooling heat dissipation, IP54 protection grade, high reliability

main parameters

Product		AC/DC+DC/DC Two-stage Topology Series
DC Parameters	Output Voltage Range	0V~900V
	Output Current Range	Meeting customized needs
	DC Voltage Ripple	≤1%
	DC Stabilized Current Precision	±0.5% (steady state)
	DC Stabilized Voltage Precision	±0.5% (steady state)
	Load Response Time	<0.1s (0%~100% load, running state)
	Output Control Mode	Current control (default), Voltage control, Power control
AC Parameters	Input AC Voltage Range	380V~690V
	Rated Operating Frequency	50Hz / 60Hz
	Rated Power Factor	>0.99 (over 30%Pn)
	Adjustable Power Factor Range	-0.95 Lead~0.95 Lag
	Allowable Grid Frequency Deviation	±10%
	Allowable Grid Voltage Deviation	±10%
	Total HarmonicDistortion	<3% (over 30%Pn)
	Rate of Grid- connected Current	<3% (over 30%Pn)
	Access Method	3-phase 3-wire+PE
System	Wiring in / Out mode	Meeting customized needs
System	Efficiency	Maximum efficiency 97.5%
Environmental Requirements	Cooling Method	Liquid cooling
	Working Temperature Range	-40°C~+55°C
	Electromagnetic Environment Category	Class A
	Relative Humidity	0%~95% (no condensation)
	Enclosure Protection Rating	IP54
	Highest Altitude of Installation Site	4000m
External Communication	External Communication Interface	RS485, Ethernet and 4mA~20mA digital analog, etc.
External Communication	External Communication Protocol	Modbus RTU, Modbus TCP
Display	HMI	Touch screen (optional)

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