SIT250KTL Solar Inverter
Advantages of SIT250KTL Solar Inverter
1. By the use of the latest T-type three-level structural design, the solar inverter has high efficiency and low consumption.
2. Wide MPPT voltage range, MPPT efficiency> 99%.
3. The solar photovoltaic system is prominent with extremely high conversion efficiency. The maximum conversion efficiency is up to 98.7%, which is equivalent to 98.4% in European efficiency.
4. LVRT (Low Voltage Ride Through) capability to meet the zero-voltage crossing, hopping function.
5. User-friendly touch screen display, easy to operate.
6. The solar inverter shows high reliability with a complete range of protection features.
7. Standard MODBUS protocol RS485 communication interface, optional ethernet communication interface.
8. Designed for the power generation solution for high altitude areas, the solar inverter is capable of full-load power generation below 4000m height.
9. Modular design, easy maintenance, compact structure, low temperature rise, service life above 25 years.
10. The PV inverter is capable of grid dispatch, which enables the continuous adjustment of the active and reactive power.
Parameters of SIT250KTL Solar Inverter
| Input | |
| Rated Input Power (kW) | 250 |
| Maximum Input Power (kW) | 285 |
| MPPT Voltage Range (V) | 500-850 |
| Maximum DC Voltage (V) | 1000 |
| Maximum DC Current (A) | 620 |
| Input Channels | 8 |
| Starting Voltage (V) | 500 |
| Surge Protection | Ⅱ grade |
| Output | |
| Rated Output Power (kW) | 250 |
| Maximum Output Power (kW) | 275 |
| Rated Output Voltage (V) | 320/ 270V-352V |
| Rated Output Current (A) | 458 |
| Maximum Output Current (A) | 504 |
| Grid Frequency (Hz) | 50 |
| Power Factor | leading 0.9~lagging 0.9 |
| Harmonic Factor (Full Load) | <3% |
| Surge Protection | Ⅱ grade 8/20ns |
| Efficiency and loss | |
| Maximum Efficiency | 98.70% |
| European Efficiency | 98.40% |
| Standby Power Consumption (W) | <100 |
| External auxiliary power supply (V) | 230V 50/60Hz for (L-N-PE) 3×400V 50/60Hz for (L-L-PE) |
| Weight and Dimensions | |
| Dimensions (W×H×D) (mm) | 1600×2000×800 |
| Mass (Kg) | 1100 |
| Display and Communications | |
| Display | 7 inch LCD touch screen |
| Data Interface | RS232,RS 485(MODBUS) 2 Channels , Ethernet |
| Protection Rating and Ambient Conditions | |
| Protection Class | IP 20 |
| Operating Temperature Range | - 25~ 55 ℃ |
| Storage Temperature Range | - 25~ 70 ℃ |
| Humidity Range | 5%-95% |
| Cooling | Forced air cooling (6000m3/h) |
| Installation altitude (m) | 6000m, no de-rate below 3000m |
| Features | |
| Ground Fault Detection | yes |
| Heater | yes |
| Emergency Stop | yes |
| AC Circuit Breaker | yes |
| DC Circuit Breaker | yes |
| Over-voltage Protection AC/DC | yes |
| Auxiliary Power Supply Over-Voltage Protection | yes |
| Step-up Transformer | no |
| Security Protection | yes |
| Certificates | |
| EMC | EN 61000-6-2, EN 61000-6-4 EN 61000-3-11; EN 61000-3-12 |
| CE | yes |
| China General Certification, CGC | China General Certification Center |
| Low Voltage Ride Through, LVRT | State Grid Electric Power Research Institute |
| RD 1633/2000 | yes |
| CEI 0-16 | yes |
| Warranty | 5 years |
| Grid Dispatch | yes |
