1.25 MW Inverter

Smart User Interface

128 x 64 dot matrix user Interactive Display. User data configuration, and faults, data download through USB/ Etherrnet using PC based application software. Ethernet / SCADA system for interfacing the web-based monitoring system. 30 days of Internal memory data and fault information with associated data packs for any triggered event.

Advanced Technology

Highest efficiency over wide operation range using three level technology. Configurable reactive and power factor adjustment. Grid side fault monitoring and support (LVRT, HVRT, anti-islanding, reactive power control, power factor regulation). Integrated grid side lower harmonic control algorithm.

High Yield

Highest efficiency of 98.9% with Euro/CEC efficiency of 98.71% / 98.76%. Wide operating Temperature range . 110% higher operating power at lower working ambient temperature. Optimized cooling fan control for energy savings as well as longer fan life

Protections

Anti islanding-loss of mains.

DC reverse polarity protection.

AC and DC short circuit and over load protection.

AC over and under voltage protection.

DC over voltage protection.

Earth fault protection.

Insulation monitoring and protection.

Monitoring of dc current injection into grid.

AC Over/ Under frequency protection.

Output side Disconnection device AC Circuit Breaker

Input side Disconnection device DC contactor

AC and DC Surge Protection. (DC-Side Type-I, AC-Side- Type-II )

Ground Fault monitoring and protection .

Current Imbalance protection.

Loss of synchronisation.

Over Temperature.

Cooling Failure.

Compliance

Efﬁciency Measurements: IEC 61683:First Edition,1999-11
Environmental Testing*: IEC 60068-2-1 Cold test, -2-2 Dry Heat Test, -2-30 Damp Heat Cycle Test
Electromagnetic Compatibility (EMC): IEC 61000-6-2, -6-4
Electrical Safety: IEC 62109-1:Edition-1.0, 2010-04 and IEC 62109-2:Edition-1, 2011-06
Protection against Islanding of Grid: IEC 62116 and IEEE 1547
Photovoltaic (PV) Systems Characteristics of the utility Interface: IEC 61727:Edition2, 2004-12

(*testing in progress)

Operating Performances

Maximum Eﬃciency (excluding auxiliary supply): 98.9%
Weighted Eﬃciency EURO/CEC (excluding auxiliary consumption for both parameters): 98.71% / 98.76%
MPPT Eﬃciency : 99.99%
Auxiliary supply consumption: < 2900 W
Night mode power consumption: < 100 W
No load losses: <1650 W