e-Showcase Huawei Smart PV Plant Solutions | Page 7

String Inverter (28KTL) SUN2000-28KTL Smart  Maximum of 3 MPPT for versatile adaption to different module types or quantities built up with different alignments  Up to 6 strings intelligent monitoring and fault detection  RS 485 and USB ports for connectivity and data management  Local graphic LCD and remote monitoring Efficient  Maximum efficiency 98.7%, European efficiency 98.4%  Reduce 30% AC cable loss with higher output voltage of 480V  Saving AC cable investment up to 20% without N-Line Safe  Type Ⅱ DC and AC surge protection devices integrated  Noise ≤ 29dB, Class-B electromagnetic radiation  RCD protection function Reliable  Warranty up to 25 years  No need of external fan with natural cooling technology  Outdoor application of IP65 Efficiency Curve Circuit Diagram 100% 98% MPPT circuit 1 97% Input EMI Filter 96% 94% 93% Vin=560V98.1% EU97.8% 92% Vin=680V98.7% EU98.4% 91% Out EMI Filter MPPT circuit 2 99 95% Eu Eff Efficiency [%] 99% 98 DC-AC converter Output isolation relay 97 Vin=800V98.5% EU98.3% MPPT circuit 3 96 560 680 LC filter L1 L2 L3 PE AC SPD Input current DC check circuit Switch 800 Vmpp DC SPD 90% 0% 20% 40% 60% 80% Load [%] Always Available for Highest Yields 100% SUN2000-28KTL [email protected] [email protected] Tel: [phone] Tel: [phone]