Control Loop Design for Grid-Tied Inverters: PI, PR Controllers and PLL Synchronization
Practical guide to PI, PR, and repetitive controllers for grid-tied inverters, plus SOGI-PLL and DDSRF-PLL synchronization techniques.
Category innovchip
Grid-Tied Inverter Topology Selection Guide: 2-Level, 3-Level NPC, T-Type, and Multilevel Compared
Side-by-side comparison of grid-tied inverter topologies covering efficiency, cost, THD, EMI, and scalability for 1kW to 1MW systems.
Bidirectional DC-DC Converter Design for Battery Energy Storage: Topologies, Control, and Efficiency
Comprehensive guide to bidirectional DC-DC topologies including interleaved buck-boost, dual active bridge, and CLLC resonant converters for BESS applications.
Advanced MPPT Algorithm Design for Solar Inverters: From Perturb & Observe to Global Peak Tracking
Deep dive into MPPT algorithms for solar inverters: P&O, incremental conductance, adaptive step-size, and global peak tracking under partial shading conditions.
Case Study: Multi-Topology SMPS Design Collection — Flyback, LLC Resonant, and Active Clamp Forward Converters
Comparative deep dive into three essential isolated DC-DC converter topologies — UC3842 Flyback, L6599 LLC Resonant, and Active Clamp Forward — covering design methodology, component selection, and performance trade-offs from 10W to 500W.
Case Study: 750W Grid-Tied Full-Bridge Inverter on STM32F103 — Unipolar SPWM with Plug-in Repetitive Control
A production-derived 750W single-phase grid-tied inverter on STM32F103C8T6 featuring unipolar SPWM at 32kHz, DQ-frame current control, software PLL, and 4-channel plug-in repetitive control for harmonic suppression.
Case Study: Y068 30kW Bidirectional Storage Inverter — A Deep Dive into DSP-Controlled Three-Level PCS Design
Deep-dive analysis of a production-grade 30kW Power Conversion System featuring T-type three-level inverter, 4-channel interleaved bidirectional DC/DC, TI TMS320F2833x DSP, and California Rule 21 compliance.
Why Your IoT Product Needs Secure Boot and Encrypted OTA Updates in 2026
Why Your IoT Product Needs Secure Boot and Encrypted OTA Updates in 2026 In 2020, a hacker compromised a fleet of IoT security cameras by exploiting an unsigned firmware update mechanism. The attacker deployed custom firmware that added the cameras…
Power Supply Design for Industrial Electronics: Key Considerations for Reliability and Efficiency
Power Supply Design for Industrial Electronics: Key Considerations for Reliability and Efficiency In the world of industrial electronics, the power supply is the silent foundation upon which every other subsystem depends. Unlike consumer electronics, where a few milliseconds of instability…
From Prototype to Production: A PCB Design Checklist for First-Time Hardware Founders
From Prototype to Production: A PCB Design Checklist for First-Time Hardware Founders