Complaint
Inverter Growatt WIT 28-55K-HU-US L2
Datasheet | WIT 28K-H-US L2 WIT 28K-HU-US L2 | WIT 35K-H-US L2 WIT 35K-HU-US L2 | WIT 40K-H-US L2 WIT 40K-HU-US L2 | WIT 55K-H-US L2 WIT 55K-HU-US L2 |
Input data(PV) | ||||
Max.recomended PV power(for module SIC) | 54KW | 75.6KW | 86.4KW | 108KW |
Start voltage | 195V | |||
Nominal voltage | 360V | |||
Max.input voltage | 800V | |||
MPPT voltage range | 180V-600V | |||
Max.input current per MPP tracker | 32A | |||
Max.short-circuit current per MPP tracker | 40A | |||
No.of PV strings per MPP tracker | 2 | |||
No.of MPPT trackers | 5 | 7 | 8 | 10 |
Output data(AC) | ||||
AC nominal power | 28KW | 35KW | 40KW | 55KW |
Max.AC opparent power | 30.8KVA | 38.5KVA | 44KVA | 60.5KVA |
Norminal AC voltage | 208V/220V | |||
AC voltage range | -15%~+10% | |||
AC gird frequency range | 45-55Hz/55-65Hz | |||
Max.output current | 85.6A@208V 80.8A@220V | 106.9A@208V 101A@220V | 122.2A@208V 115.5A@220V | 168.1A@208V 158.8A@220V |
Adjustable power factor | -1,,,+1 | |||
THDi | <3% | |||
AC gird connection type | 3P3W+PE/3P4W+PE | |||
Stand alone(AC power) | ||||
AC nominal output power | 28KW | 35KW | 40KW | 55KW |
Max.AC apparent power | 33.6KVA | 42KVA | 48KVA | 66KVA |
Rated AC output voltage | 208V/220V | |||
Norminal AC output frequency | 50/60Hz | |||
Max.output current | 93.3A | 116.7A | 133.3A | 183.3A |
THDv | <3% | |||
Load unbalance | 100% | |||
Overload | ≤110%: Continues 110%~120%: 10min >120%:200ms | |||
On/off gird transfer time | 20ms | |||
Battery data(DC) | ||||
Battery voltage range | 380V-650V | |||
Recommended battery voltage | 512V | |||
Max.charging/discharging current | 79A | 99A | 113A | 156A |
Continuous charging/discharging power | 31.7KW | 39.7KW | 45.3KW | 62.3KW |
BMS communication | RS485/CAN | |||
Efficiency | ||||
Max.Batterry charge/discharge efficiecy | 98% | |||
Protection devices | ||||
Battery reverse protection | Yes | |||
AC/DC surge protection | Class II | |||
Insulation resistance monitoring | Yes | |||
Ground fault monitoring | Yes | |||
Gird monitoring | Yes | |||
Residual-current monitoring unit | Yes | |||
AC short-circuit protection | Yes | |||
Anti-islanding protection | Yes | |||
Anhui Wingo Technology Co., Ltd. has set up two sole-funded companies in Heifei one Jointed Venture in Anhui province successively since 2020.Wingo is able to provide customers with annual capacity of 300MW solar cells,400MW solar cells modules and 60,000 sets of solar power systems.
FACTORY DIRECT SOLAR INVERTER WITH TIER 1 BRAND!
FACTORY DIRECT SOLAR PANEL WITH TIER 1 BRAND!
Q1: How to choose a right system and products?
A1:Tell us your requirements, then our seller will recommend a suitable product and system to you.
Q2: Are you a factory or a tradingcompany?
A2: We are factory with more than 7 years experience in new energy industrial,also we have rich sources for integrate whole energy system.
Q3: How to choose a right system and products?
A3: Yes,we can print your logo on the case and package can also customize.
Q4: How do you control your product quality?
A4: We have professional QC department control the quality strictly,only products which meet all standard will be packed and deliver to customers.
A5: What's your advantages for solar system?
A5: Our full automatic production line which assembled by advanced and high-tech production equipments buy from Japan and Germany ensure we provide the best quality products for customers.
Q6: How do you ship your products?
A6: For small qty order,we suggest use express directly. For bulkorder,we normally ship by sea.You can provide your logistic agent to us,we also can recommend safety logistic for you. You can contact us directly anytime,we offer 24h service.
