Efficient power generation
◆ New SiC-Mosfest + SIC-SBD design,54KHz ultra-high operating frequency
◆ Three-phase vector SVPWM control mode, the conversion efficiency is higher, the controI is more stable
◆ DC 1OOOV wide input voltage range, the maximum converssion efficiency of 99%
◆ Support 1.lm overload, high radiation to enhance the power generation of 10%
◆ 4 independent MPPT trackers guarantee optimal energy production for every use, even in shading
Intelligent management
◆ Support USB port communication and U disk upgrade
◆ Support RS485,WIFI,GPRS communication
◆ Support Litto new generation of intelligent management,maintenance ,monitoring platform – LittosunreeWeb 2.0
Safe and reliable
◆ Industrialized appearance design,IP 65 waterproof grade
◆ Smaller,lighter,easier to install
◆ Built in PV combiner box, integrated DC AC SPD
◆ Support 12 channels current detection, the diagnosis time of fault was decreased 50%
Grid friendly
◆ Supports state grid dispatch instructions
◆ Active power continuously adjustable
Efficiency curve
Circuit diagram
Technical specitications
| MODE | LT 70000HD |
| INPUT DATA(DC) | |
| Max. DC power | 73000W |
| Max. DC voltage | 1000VDC |
| Rated DC voltage | 580VDC |
| MPPT operating voltage range | 250-820VDC |
| Input channels | A:3/B:3/C:3 |
| MPPT tracking number | 6 |
| Max. input current | 36A/36A/36A/36A |
| DC connection type | MC4 connector |
| AC OUTPUT PARAMETER | |
| Max.output apparent power | 70000W |
| Rated output power | 70000W |
| Rated grid voltage | 3/PE:277*3/480V+PE |
| Grid voltage range per phase | 184V-276V |
| Rated power grid frequency | 50Hz/60Hz |
| Grid frequency range | 45-55Hz/55-65Hz |
| Max.output current | 90A per phase |
| Power factor (cos Ф) | 0.8i…i…0.8c |
| Current harmonics (THDI) | <3%(at nominor output power) |
| AC output terminal connection type | lug and play terminal |
| Efficiency | |
| Max. efficiency | 99.00% |
| EU-efficiency | 98.60% |
| MPPT efficiency | 99.80% |
| Protection DEVICES | |
| Leakage current protection | Integrated |
| Island Protection | Integrated |
| DC Switch | (opt) |
| Output over current protection | Integrated |
| Insulation resistance detection | Integrated |
| GENERAL DATA | |
| (W/H/D) Size | 580*760*265mm |
| N.W | 55KG |
| install way | Wall hanging fixed |
| Operating temperature range | -25℃ to 60℃ |
| altitude | 2000m |
| Relative temperature | 0%-98% no condensation |
| Noise emission | ≤ 55db(A) |
| self-consumption at Night | 0W |
| topology | T-Type-three-level/Transfomerless |
| Cooling concept | Air cooling |
| Overall protection level | IP65 |
| Communication interface | USB/WIFI ( opt ) /RS485( opt ) /GPRS ( opt ) |
| FEATURES | |
| DC connection | MC4 |
| AC connection | C16/5 |
| Display | LCD |
| Integrated combiner box | opt |
| Communication USB/WIF/RS485/ GPRS USB/WiFi/GPRS/RS485 |
yes/opt/yes/opt |
| Warranty 5 years/10 years | yes/opt |
| CERTIFICATE AND APPROVALS | |
| CE, VDE 0126-1-1, IEC 62109, G83-2, G59-3, AS4777, AS/NZS 3100, VDE-AR-N4105, EN50438, EN62116, CQC, MEA, PEA, IEC61683 | |
