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Sofar 15KTLX-G3 – Three Phase ON-Grid Solar Inverter

Quick Overview

SOFARSOLAR is one of the subsidiaries of SOFAR Group in China and specializes in R&D, production, sales and service of grid-tied inverters ranging from 1kW to 7.5kW (residential), 10kW to 255kW (commercial) , hybrid inverters ranging from 3kW to 20kw and Amass store battery, etc . SOFARSOLAR is currently known to be one of the top 5 string inverter companies found throughout China. After breaking ground and gaining the reputation of being reliable, efficient, and professional, it has now become one of the famous companies in power storage inverters.

 

Brand Sofar
Product Code 15KTL-X-G3
Warranty 5 years
User Guide Download PDF
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Sofar Three-Phase Solar Inverter is integrated with dual MPPT modules that ensure conversion efficiency up to 98.6%. It has maximum input voltage of 1100 Volts. The rated input voltage of this solar inverter model is around 650V. The MPPT module has an operating voltage ranging from 140 V to 1000 V. Although, the MPPT module has maximum operating power range from 420 V to 850 V. Sofar Solar Inverter has a maximum input current of MPPT module is 26A/26A.

Working

As being one of the best solar inverter 2021, it has a rated output power up to 15000 watts. The solar inverter model is able to handle a maximum AC power of 165000W. The power factor is 1, adjustable +/- 0.8. Here are characteristics;

  • The nominal grid voltage of this solar inverter is 3/N/PE, 220V/380Vac, 230V/400Vac.
  • The grid voltage ranges from 310 Vac to 480 Vac, according to local standard.
  • The grid frequency ranges to 45Hz-55Hz/54Hz-66Hz.
  • The active power in integrated with complete adjustability ranging from 0% to 100%.
  • THDi of this solar inverter is less than 3 percent.
  • Maximum output current of this solar invertesr is 23.9 amperes.

Sofar is one of the leading solar inverter series, specialized in grid tied model. The reliability is guaranteed. Maxpower provides 5 year working warranty with this solar inverter model. The solar inverter has an overnight self-consume ratio less than 1 watt. The MPPT module has an efficiency ratio of >99.9%—where the European weighted efficiency ratio of this solar inverter model is 98.2%.

See Also: Suntronic 5000 On-Grid Inverter

Protective Features

Sofar Three Phase Dual MPPT Solar Inverter is integrated with certain protective features that allow it to bear harshness of environment. These are;

  • DC Reverse Polarity Protection: Sudden reversal of DC polarity in the solar inverter can harm the module, it is protected with this feature that allows the inverter to shut power and safely notify the user.
  • Leaking Current Protection: Due to any hit, damage, wearing out of wires or any case of current leakage, the beeping notification comes over. Likewise, if there is chance of any cumulative damage, the model shuts down the power to prevent it.
  • Anti-Islanding Protection: In case of black out, or energy outage, the inverter disconnects the grid to prevent any damage without needing any manual instruction.
  • Ground Fault Monitoring: The fault in grounding can be a cause of severe damage to major components of solar panel system. Ground fault monitoring allows the user to get notified as there is any discrepancy in the grounding system.

The protective features of this solar inverter model are not limited to this only—other are; PV-array string fault monitoring, DC switch, AFCI protection, and input / output SPD (PV type II standard, AC: type II standard).

See Also: Sofar Three Phase Dual MPPT Solar Inverter (11KTLX-G3)

Aesthetics

The sofar solar inverter is able to store data of statistically around 25 years—the degree of protection is IP65. Likewise, it can work in relative humidity range from 0 to 100%. This DC to AC solar inverter can operate in an altitude as high as 4000m. While operating at its maximum capacity, the noise generated is ≤40dB. The ambient temperature for optimal working ranges from -30° to +60° Celcius. The model is integrated with cooling fan to ensure protection from over-heating. The warranty ranges up to 10 years. Likewise, the solar inverter is integrated with LCD, Bluetooth and app operativity.

Technical Specification

MODEL 15KTLX-G3
INPUT (DC)
Recommended Max. PV Input Power 22500W
Number of MPP trackers 2
Number of DC inputs 2/2
Max. Input voltage 1100V
Start-up voltage 160V
Rated input voltage 650V
MPPT operating voltage range 140V-1000V
Full power MPPT voltage range 420V-850V
Max. Input MPPT current 26A/26A
Maximum DC input short circuit current per MPPT 36A/36A
OUTPUT (AC)
Rated power 15000W
Max. AC power 16500W
Max. Output current 23.9A
Nominal grid voltage 3/N/PE, 220V/380Vac, 230V/400Vac
Grid voltage range 310Vac-480Vac (According to local standard)
Nominal frequency 50Hz/60Hz
Grid frequency range 45Hz-55Hz/54Hz-66Hz (According to local standard)
Active power adjustable range 0~100%
THDi <3%
Power factor 1 default ( adjustable +/- 0.8 )
Performance
Max efficiency 98.60%
European weighted efficiency 98.20%
Self-consumption at night <1W
MPPT efficiency >99.9%
Protection
DC reverse polarity protection Yes
Anti-islanding Protection Yes
Leaking Current Protection Yes
Ground Fault Monitoring Yes
PV-array String Fault Monitoring Yes
Anti Reverse Power Function Optional
DC switch Yes
AFCI Protection Optional
Input / Output SPD PV: type II standard, AC: type II standard
Communication
Power management unit According to certification & request
Standard communication mode RS485 / USB / Bluetooth, Optional: Wifi / GPRS
Operation data storage 25 years
General Data
Ambient temperature range -30° ~ +60°
Topology Transformerless
Degree of protection IP65
Allowable relative humidity range 0~100%
Max. Operating altitude 4000m
Noise ≤40dB
Weight 20kg
Cooling Fan
Dimension 520*430*189mm
Display LCD & BLuetooth + APP
Warranty 5 years/ 7 years/ 10 years
Standard
EMC EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4
Safety standards IEC62109-1/2, IEC62116, IEC61727, IEC-61683, IEC60068(1,2,14,30)
Grid standards AS/NZS 4777, VDE V 0124-100, V 0126-1-1, VDE-AR-N 4105, CEI 0-21 / CEI 0-16, UNE 206 007-1,  EN50549, G98/G99, EN50530, NB/T32004

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