SUN2000 – 105KTL – H1

The SUN2000 is a grid-tied PV string inverter that converts the DC power generated by PV strings into AC power and feeds the power into the power grid.

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Description

Function

The SUN2000 is a grid-tied PV string inverter that converts the DC power generated by PV strings into AC power and feeds the power into the power grid.

Features

Intelligent

  • Six independent maximum power point tracking (MPPT) circuits and 12 PV string inputs: Supports the flexible configuration of 2+2+2+2+2+2 strings.
  • 12 routes of high-precision smart PV string monitoring: Help identify and rectify exceptions timely.
  • MBUS networking: Uses the existing power line for communication and does not require an additional communications cable, which reduces the construction and maintenance costs and improves communication reliability and efficiency.
  • Smart I-V curve diagnosis: Implements I-V scanning and health diagnosis for PV strings. In this way, potential risks and faults can be detected in time, improving the plant operation & maintenance (O&M) quality.

Safe

  • Embedded DC and AC SPDs: all-dimensional surge protection
  • Embedded residual current monitoring unit: Immediately disconnects from the power grid upon detecting that the residual current exceeds the threshold.

Reliable

  • Natural cooling
  • Free fuse design
  • Protected to IP65.
  • Effective design against ground subsidence: The AC terminal block can be pulled down by up to 50 mm due to the pulling force.
Network Application

The SUN2000 applies to distributed grid-tied commercial PV systems and large-scale grid-tied PV plants. Typically, a grid-tied PV system consists of the PV string, SUN2000, AC combiner box, and step-up transformer.

A. PV string

B. SUN2000

C. AC combiner box

D. Step-up transformer

E. Power grid

Note: The SUN2000 is powered by a dedicated power transformer instead of connecting to low voltage overhead power lines.

Supported Power Grid

Figure: Supported power grid

Note: The SUN2000 can also apply to the AC power system with the neutral point grounding of the step-up transformer. The SUN2000 itself does not connect to any neutral wire.

Figure: AC power system with the neutral point grounding

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