Leírás
More Energy Generated
● Transformerless design, maximum conversion efficiency up to 98.6%, Europe efficiency up to 98.4%
● Three MPP
● Gain maximum energy generated by shadowed PV cells
● Wide MPPT voltage range (320 ~ 900V), longer daily power generation time
● Intelligent MPPT algorithm
● The maximum power point tracking is not affected by abrupt changeofillumination
●Accurate identification technology of power change
●Static MPPT is stable and accurate
● Wide operating temperature range (– 25 °C ~ + 60 °C), continuous power generation at full load in high temperature
High Reliability
● Long lifetime design of film capacitor, 25 years of designed service life for complete machine
● Natural heat dissipation, waterproof, dust resistance, salt fog resistance and corrosion resistance
● Active+passive islanding protection
● Multilayer, step-by-step overcurrent, overvoltage, overtemperature and short-circuit protections for software and hardware
● 6 strings fault monitoring with rapid positioning
Advanced Control Technology
● Double modulation of three level SPWM and SVPWM, natural and smooth switch
● Adaptive control, adapting to harsh weak power grids environment
● Harmonic current compensation, THD < 1%
● Supporting active and reactive power grid dispatch and SVG function at night
● LVRT function
Friendly and Flexible
● Status display with LED indicators, concise interface
● Built-in DC SPD and fuse, no need of DC combiner box, reducing cost for users
● DC shut-off circuit breaker for safe and convenient maintenance operating
● IP 65 protection level for outdoor use
● Wall mounting design, one-step forming of aluminum shell
● Standard RS485 / APP / GPRS / Wi-Fi / Bluetooth communications; Optional PLC viewing the system operation information
| MODEL |
EA33KTLSI |
EA40KTLSI |
| INPUT (DC) | ||
| Max. DC input power |
33800 W |
40800 W |
| Max. DC input voltage |
1000 V |
|
| Starting voltage |
200 V |
|
| Max. DC input current |
3 × 23A |
|
| MPP voltage range |
320 ~ 900 V |
|
| Full-load MPP voltage range |
480 ~ 800 V |
580 ~ 850 V |
| Number of MPP inputs |
3 |
|
| Nominal DC input voltage |
620 V |
680 V |
| DC terminals |
2 × 6 |
|
| MPPT efficiency (static) |
> 99.9% |
|
| Withstanding voltage & insulation for DC input against the enclosure |
Basic insulation 3000 Vdc / 1 min |
|
| OUTPUT (AC) | ||
| Rated output power |
30 KW |
36 KW |
| Max. apparent power |
33 KVA |
40 KVA |
| Rated output voltage |
3 × 380 / 400 / 415 Vac +N+PE |
3 × 277 / 480 Vac +PE |
| Rated output current |
3 × 45.9 A |
|
| Max. allowable output current |
3 × 48 A |
|
| Rated frequency |
50 Hz / 60 Hz |
|
| DC component |
< 0.5% (rated current) |
|
| THD |
< 3% (rated power) |
|
| Power factor |
0.8 leading ~ 0.8 lagging |
|
| Withstanding voltage & insulation for AC output sides against the enclosure |
Basic insulation 3000 Vdc / 1 min |
|
| EFFICIENCY | ||
| Max. inverter efficiency |
98.7% |
98.9% |
| Europe efficiency |
98.4% |
98.5% |
| PROTECTIONS | ||
| Input reverse connection protection |
Yes |
|
| DC input switch |
Yes |
|
| DC overvoltage and overload protection |
Yes |
|
| Output AC short-circuit protection |
Yes |
|
| AC overload, overcurrent limitation and protection |
Yes |
|
| Grid over / under-voltage and unbalanced protection |
Yes |
|
| Grid over / under-frequency protection |
Yes |
|
| Leakage protection |
Yes |
|
| Lightning protection |
Yes |
|
| Islanding protection |
Active and passive protection |
|
| DC surge protection |
Yes |
|
| AC surge protection |
Yes |
|
| Insulation resistance testing protection |
Yes |
|
| CERTIFICATES AND APPROVALS | ||
| Certificates |
VDE / TUV / CE / CQC |
|
| Grid-connected standard |
TUV / VDE-AR-N-4105 / G59 |
|
| EMC / safety |
EN 61000-6-2, EN61000-6-3, EN 61000-3-2, EN 61000-3-3, EN 61000-3-11, EN 61000-3-12, EN / IEC 62109-1, EN / IEC 62109-2 |
|
| DISPLAY AND COMMUNICATIONS | ||
| Display |
LED indicators / Bluetooth / APP |
|
| RS485 |
Yes |
|
| USB |
Yes |
|
| PLC |
Optional |
|
| APP and Bluetooth |
Yes |
|
| OTHERS | ||
| Standby loss |
< 15 W |
|
| Topology |
Transformerless |
|
| MTBF |
40000 h |
|
| Warranty |
Standard 5 years, optional 10 / 15 / 20 / 25 years |
|
| Operating temperature |
– 25 °C ~ + 60 °C |
|
| Cooling |
Natural cooling |
|
| Relative humidity |
0 ~ 100% non-condensing |
|
| IP rating |
IP 65 |
|
| Max. operating altitude |
3000 m |
|
| Dimensions (W × D × H) (mm) |
260 × 580 × 800 |
|
| Packaged dimensions (W × D × H) (mm) |
345 × 690 × 935 |
|
| Net weight (kg) |
≤ 65 |
|
| Gross weight (kg) |
< 70 |
|
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