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Air cooling AC/DC+DC/DC two-stage topology IGBT power supply

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

Performance characteristics

Wide Range of Voltage Regulation

Supports 0-900Vdc output

High Power Factor

Power factor>0.99, with reactive power compensation capability

Lower Harmonic

With harmonic suppression function, AC side Thdi≤3%, grid friendly

Power Grid Adaptability

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

Strong Ability to Adapt to Environment

Air cooling heat dissipation, independent air duct design, high reliability

Modular Design

Easy maintenance, good parallel characteristics, easy system expansion

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	Temperature-controlled air cooling
	Working Temperature Range	-40°C~+55°C
	Electromagnetic Environment Category	Class A
	Relative Humidity	0%~95% (no condensation)
	Enclosure Protection Rating	IP23
	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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