Model Meaning; Features; Grid Mode - KEHUA TECH SPI-B Series User Manual

2 Overview

2.1.2 Model Meaning

The model meaning of SPI-B series (30K-60K) string PV grid-tied inverter is as shown in Figure2-3.
SPI K-B
Figure2-3 Model meaning
As shown in Figure2-3, "SPI" means that the product is Kehua SPI series PV gird-tied inverter; "口 K
" means output power, when"口 K" is 60K, it means that the output power is 60kVA; "B" means that
the product is the non-insolated type inverter.

2.1.3 Features

 Adopts the efficient type-T three level high frequency conversion technology and advanced full
digital control technology.
 Adopts the advanced disturbance detection technology to realize the anti-island running
protection.
 Equipped with perfect protection function and the nighttime loss is low.
 The reactive power is adjustable, the range of power factor is -0.8(lag)～+0.8(ahead).
 The active power can be adjusted form 5% to 100% continuously.

2.1.4 Grid Mode

The inverter supports five kinds of grid modes: TN-S, TN-C, TN-C-S, TT and IT, as shown in
Figure2-4.
Figure2-4 Grid mode
8
Non-isolated type
Output power
SPI series PV grid-tied inverter
SPI-B Series (30K-60K) String PV Grid-tied Inverter
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