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 » Panouri solare fotovoltaice, controlere energie solara


Invertor solar de retea (On-Grid) 20KVA

K-Star - KSG-20K-DM

Invertor solar de retea (On-Grid) 20KVA, tensiune PV maxima:1000Vdc, curent PV max: 21A.

Pret fara TVA:
8,616.91 RON

Pret cu TVA :
10.254,13 RON

Disponibilitate :

The photovoltaic grid-connected generating system is composed of solar cell module, grid-connected inverter, metering devices and power distribution system (as shown in Figure 1). The solar energy is converted to DC electric power through solar cell module, which is further converted to sine-wave current synchronous with grid frequency and phase via grid-connected inverter. Such electric power is then fed into power grid. The photovoltaic grid-connected inverter is the key equipment in solar power system.

 On-grid solar system

Figure 1: Application of Photovoltaic Grid-Connected Inverter in Photovoltaic Generating System. 

 Product features

·Max PV Voltage up to 1000V

·Double MPPT

·High efficiency  up to  98.0%

·Smaller and  Lighter

·IP65 protection

·Easy installation

·Reactive power controller

·Digital controller



KSG-DM Series Technical Specifications    
Model Specifications           KSG-10K        KSG-12K         KSG-15K          KSG-17K          KSG-20K
Max. DC power 11.5KW 13.5KW 16.5KW 18.5KW 22.5KW
Max. DC voltage 1000Vdc
MPPT voltage range 250~950Vdc
Full load voltage range 480~800Vdc
Normal DC  voltage 620Vdc
Min. / start  DC voltage 200 / 250Vdc
Number of MPP trackers 2
Strings per MPP tracker 1 2
Max. input current per MPP tracker 13A / 13A 21A / 21A
Output (AC)
Normal AC output Power 10KW 12KW 15KW 17KW 20KW
Max. AC output Power 11KW 13KW 16KW 18KW 22KW
Normal AC voltage 400Vac
AC voltage range 400Vac ±20%
Normal AC grid frequency 50 / 60Hz
AC grid frequency range ±5Hz
Max. output current 17A 20A 24A 27A 32A
Phase shift (cos φ) 0.8leading- 0.8laging
THDI <3%
AC connection 3W+N+PE/3W+PE
Topology Transformer less
Max. efficiency 98.0%
Euro-eta 97.5% 97.5%
Protection devices
all-pole fault current monitoring unit yes
Ground fault monitoring yes
Mechanism  Data
Dimensions (W / L / D) in mm 553 / 715 / 228
Weight 35Kg 39Kg
Environment Data
Operating temperature range –25oC/+60oC
Noise emission (typical) ≤40dB
Cooling concept Convection
Protection rating IP65
LCD display yes
Interfaces RS485
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