Anhui EHE New Energy Tech. Co., Ltd is a high-tech enterprise specializes in R&D, manufacturing and exporting of medium voltage variable frequency drive and photovoltaic products such as photovoltaic inverter, solar energy lamps, solar energy plants, etc. Our products especially the PV inverter have get the TUV and CE ceification, which have exported to more than 30 countries due to its high efficiency, reliable character, competitive price and leading-edge technology.

EHE-N series uses the fith generation IGBT from Mitsubishi and has advanced control sytem. The technical features are as followings:
Use Us TI's 28 series high-performance DSP chip
Use high-speed CPLD calculation and fiber optic transmission, fast and reliable
Advanced MPPT technology
Wide input voltage range
Without transformer
Reliable DC detecting and control
Advanced Anti-island technology
Multi-CPU control, built a sound protecting function
Advanced modular design, more safe and reliable
High transfer efficiency≤ 3%output THD
Both MPPT and CVT running mode
Advanced multi-languages LCD display and powerful communication interfaces
Color touch-screen LCD display

Meet the following standards:

EN 50178: 1997
PrEN 62109-1: 2007
IEC 62103: 2003
IEC 60364-7-712: 2002 EN61000-6-2: 2005
DIN VDEO126-1: 2006 EN61000-6-4: 2007

Technical Parameters:

EHE-N250K
Model EHE-N250K
DC Input
Rated Power 250KW
Recommended Maximum array power 275KWp
Max. DC Voltage 880V
MPP Voltage Range 450-820Vdc
Max. Input Current 600A
Max. Number of string 8
AC Output
Rated Output power 250KW
Max. Efficiency 96.8%
Euro efficiency 96.5%
Night power consumption < 100W
Power factor < 0.99
Grid voltage Voltage 320-450Vac
Grid frequency range 47.5_51.5Hz
Current THD ≤ 3%
Isolation method Isolation transformer
Connecting Terminal block
Communication interface RS485/RS232/GPRS/Ethernet
Display mode and language Chinese and English Touch-screen LCD display
Work Auto/Manual.