C2000™ Solar DC/AC Single Phase Inverter
TIDM-SOLAR-ONEPHINV
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Description

This design is a digitally controlled, grid-tied, single phase, full-bridge DC/AC inverter stage for use in central or string solar inverters. It is a companion to TI Design TIDM-SOLAR-DCDC, a front-end DC/DC converter with maximum power point tracking (MPPT). Together, the TIDM-SOLAR-DCDC and the TIDM-SOLAR-ONEPHINV comprise a complete solar inverter for central or string topologies. A C2000™ F28M35H52C microcontroller (MCU) is the digital controller for the full-bridge DC/AC inverter stage, efficiently operating the inverter stage while additionally implementing Ethernet-based remote control and monitoring of the inverter. The inverter output is grid-tied with anti-islanding protection. This design achieves total harmonic distortion (THD) of less than 5 percent, and full load efficiency greater than 96 percent, providing more energy extraction from a solar installation, reducing detrimental heat dissipation in the inverter, and increasing inverter longevity.

Features
  • Implements control of a single phase, full bridge, grid-tied, DC/AC inverter with anti-islanding protection.
  • C2000™ F28M35H52C MCU serves as a high performance controller for the DC/AC inverter, executing high-frequency control loops to control the power stage and feed the output into the power grid, while additionally implementing ethernet-based remote control and monitoring of the inverter.
  • Selectable 120/220 VAC outputs up to 600W, suitable for worldwide solar markets.
  • Greater than 96 percent peak efficiency and less than 5 percent total harmonic distortion mean improved energy extraction and longer inverter lifetime.
  • Solar and digital power software libraries provide code-optimized building blocks to implement a variety of power topologies and algorithms such as maximum power point tracking (MPPT) and Software Phase Locked Loops (PLL), perfect for designing customized solar inverter solutions.
  • Fully-functional reference design includes software, hardware design files, quick start graphical interface and step-by-step documentation

NOTE: Software for this board is located inside the controlSUITE™ software package. Download controlSUITE at http://www.ti.com/tool/controlsuite. Once installed, navigate to ""High Voltage Solar DC/AC Inverter Kit"" under the Development Tools -> Solar section.


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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
F28M35H52C  Concerto Microcontroller  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TMS320F28027  Piccolo™ 32-bit MCU with 60 MHz, 64 KB Flash  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
F28M35H52C Download -
TMS320F28027 Download -
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Technical Documents

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User guides (3)
Title Type Size (KB) Date
PDF 2863 03 Sep 2014
PDF 1206 03 Sep 2014
PDF 2085 03 Sep 2014
Design files (4)
Title Type Size (KB) Date
ZIP 327 17 Jun 2014
PDF 703 17 Jun 2014
PDF 93 17 Jun 2014
PDF 1115 17 Jun 2014

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