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I am a Senior Power Systems Engineer specializing in **grid interconnection, compliance, and system impact studies** for **renewable generation, BESS, hybrid plants, conventional generation, and large industrial / data center loads**. I deliver **utility-, ISO-, and TSO-ready studies** using **PSS®E, PowerFactory, PSCAD, and ETAP**, covering the full range of technical assessments required for project development, connection applications, design review, and compliance demonstration. My work supports **Solar PV, Wind, BESS, Hybrid plants, conventional power facilities, and data centers**, with studies prepared in a way that reflects how utilities and system operators actually review **models, assumptions, plots, test evidence, and compliance conclusions**. I support clients from early-stage screening through submission-ready packages, including clear RFIs, defensible assumptions, clean technical plots, and structured reports suitable for utilities, TSOs, ISOs, developers, EPCs, and owners’ engineers. Core Services Grid Interconnection & Compliance Studies * Load flow and operating case assessment * Short-circuit / fault level calculations * RMS dynamic stability studies * Grid code and interconnection compliance benchmarking * Utility / ISO submission-ready technical reports * Model review, validation, and technical support during review cycles ### Renewable Generation / BESS / Hybrid Plants * Solar PV, Wind, BESS, and Hybrid plant interconnection studies * LVRT / HVRT / LFRT / HFRT assessment * Reactive power capability and voltage control performance * Frequency response and plant controller performance * Weak-grid assessment and control interaction review * PRC / MOD / MQT / G99 / G5 compliance support ### Data Center & Large Load Studies * Grid connection studies for **large industrial loads and data centers** * Load flow, contingency, and thermal capacity assessment * Point of interconnection screening and transfer capability review * Motor starting / dynamic load behavior review where applicable * Voltage stability and reactive power performance assessment * Large load ride-through and dynamic behavior assessment * Support for connection strategy, substation concept review, and utility-facing technical documentation ### Design & Engineering Support * Single-line diagrams (SLD) * Cable and conductor sizing * Grounding / earthing grid studies * Surge arrester selection and insulation coordination * Protection coordination and selectivity studies * Relay setting review and interface logic support ## Technical Services ### Short-Circuit Studies * Fault calculations to IEC 60909 and IEEE methods * Breaker duty and X/R ratio verification * IBR fault contribution assessment * Faulted operating condition evaluation ### Dynamic (RMS) Studies * Transient stability and oscillatory damping * Frequency response and control performance * LVRT / HVRT / LFRT / HFRT benchmarking * Weak-grid and controller interaction studies * Plant controller and model tuning support ### EMT Studies * IBR control interaction and converter dynamics * Fast transient and weak-grid EMT validation * Special operating scenarios and black-start studies where required * OEM / utility EMT model review and benchmarking ### Protection & Control Interface * Relay coordination support * PRC-019 interface checks * Voltage / frequency protection coordination with IBR controls * SCADA / Modbus / IEC 61850 signal and interface logic review ## Grid Codes & Standards Experience **United States** NERC PRC(029 024 019) & MOD(025 026 027 032) standards, ERCOT, PJM, NYISO, MISO, SPP, CAISO IEEE 519, IEEE 1453, IEEE 1547 ERCOT model quality and interconnection processes **United Kingdom** ENA G99 ENA G5/5 P28 / P29 DNO submission and acceptance support **Germany / EU** VDE-AR-N 4110 / 4120 FGW TR3 / TR4 / TR8 references Additional regions can be supported based on project documentation and applicable grid-code requirements. ## Software * PSS®E * DIgSILENT PowerFactory * PSCAD * ETAP * MATLAB / Simulink * AutoCAD ## Deliverables * Technical reports * RAW / DYR files * PowerFactory projects * PSCAD cases * ETAP models * Parameter summaries * Validation plots * Submission support documents ## Why Clients Work With Me * Clear scope definition from the start * Strong RFIs and efficient data collection * Technically defensible assumptions * Utility-ready reports and plots * Combined RMS and EMT capability I can support complete interconnection packages or single-study scopes, depending on project needs. If you have an RFP, grid-code requirement, interconnection document, utility feedback package, or study scope, I can review it and help define a clear technical approach, deliverables list, and schedule.

* Expert-level Embedded C/C++ development for MCU and Embedded Linux platforms. * Strong expertise in Embedded System Architecture, system design, and technical leadership. * Extensive experience with ARM Cortex-M/A, STM32, NXP i.MX, Nordic, ESP32, TI, and Qualcomm platforms. * Advanced knowledge of RTOS and Embedded Linux: FreeRTOS, Zephyr, Yocto, Buildroot, Linux Kernel, Device Drivers. * Experienced in BSP bring-up, bootloader development, OTA/FOTA, secure boot, and system optimization. * Strong experience in Automotive and Industrial Embedded Systems development. * Deep understanding of CAN/CAN FD, LIN, UART, SPI, I2C, Modbus, Ethernet, TCP/IP , BLE, and MQTT. * Hands-on experience with IoT, Edge AI, connected devices, and cloud-integrated embedded systems. * Experienced in debugging, hardware-software integration, and system optimization. * Experience leading engineering teams and managing embedded projects from concept to production.

100% Job success, 40+ Happy Clients all over the globe, look no more, A few client reviews: 💬 "Nagesh is THE BEST! I’ve worked with hundreds of freelancers, and all of them claim to be experts in their field or “the best”. Nagesh actually is one of the best I've ever worked with. He really went above and beyond to ensure the success of the project, and helped to improve things to a level I didn’t think was even possible. Will 1000% work with Nagesh again, one of the best on here. -- CEO @thoughtcastmagic 💬 "Nagesh has been extremely responsive and set clear, defined expectations from our conversation, then he smashed them by delivering faster than we had agreed and suggested modifications and options for future development of the product." ⚒ Key Services: ✅ Circuit and PCB design from scratch (Altium / EasyEDA /KiCAD) ✅ Circuit Simulation ( LTspice ) ✅ BOM optimisation ✅ Prototyping ✅ PCB mass production and assembly management ✅ Design consulting for reliable and Cost-effective electronic hardware Hello there! Being passionate about engineering since childhood helped me to learn and enjoy the electronics principles. Taking my bachelor's in electronics engineering made me pretty confident with my skills, and practically working with clients from all over the globe made me a preferred freelancer of many startups and companies. Since you are here, I have probably written you an engaging proposal for your job posting. I request you to message me so we can collectively discuss your queries and confusions, preferably over a call. I'd love to hear from you and help you get your idea into a manufacturable design that will make this world a better place to live in.

Full time freelancing with Embedded Hardware Design Engineer with 12+ years of experience into Highspeed analog and digital design, PCB , Board bring-up, Test & debug EMC validation, Analog validation, and Design documentation. Microprocessor / FPGA Experience - TI, NXP, Qualcomm, Renesas, Xilinx MPSoC, RFSoC, Versal Premium, and Altera7 FPGA. High-speed memory interfaces—DDR4, LPDDR4, OSPI, EMMC, SD, PCIe4 & 5 Audio and Video Design Experience - LCD, HDMI, Display port, DSI, CSI, McASP 4 layer Flex PCB design. Wearable system design. Wired Connectivity – Ethernet, USB, PCIe, Low Power SIP and soc using Nordic semiconductor DC/DC Power supply design, Battery operated product design experience Experienced in DDR4-2667, GDDR5, HSIO, JESD204, SATA, Gen3, PCIe Gen3, USB 3.0, DDR4-SODIMM, MIPI, QSPI. Power Electronics 30KW. ESP32 , IOT , Power Electronics , Automotive , Raspberry pi 4 , Wireless Communications , Bluetooth. FPGA. Medical. Aerospace, STM32, Nordic chip, Arduino. Tool Expertise : Altium , Kicad , Allegro , Orcad , Ansys HFSS, CST , Easy EDA, Eagle. RF Antenna Simulation and Power Amplifier design.

🔋 BESS, Battery Systems & Power Electronics Engineering I design and simulate battery systems and power electronics for real-world applications, combining system-level understanding with hands-on engineering experience. My background is in Energy Engineering, with a strong focus on: - Battery systems (design, modeling, integration) - Power electronics (inverters, control, system behavior) - MATLAB/Simulink simulation and control systems - Thermal and energy systems (thermodynamics, cooling) - PCB design and embedded hardware 🚀 Relevant Experience - Head of ePowertrain & Control at eUSRacing (MotoStudent Competition) → Led the design of a high-voltage battery system and its integration with inverter and motor systems - Developed inverter + FOC control simulations in MATLAB/Simulink - Battery modeling and performance analysis using Voltt (About:Energy) - Hands-on work with electrical systems, integration, and validation 🛠️ What I can help you with - Battery system design (BESS / EV-oriented) - MATLAB/Simulink modeling (power electronics, control systems) - Inverter and control strategy analysis (FOC, system dynamics) - Electrical system architecture and SLD support - PCB design and hardware integration - Technical problem solving in energy and power systems I focus on delivering clear, practical, and well-structured engineering solutions, especially in projects involving batteries, energy systems, and simulation. If you need someone who understands both theory and real implementation — I’m ready to help.

I am a hardware design engineer specializing in power electronics, high-speed digital, FPGA-centric systems, and RF PCB design, with a strong focus on electrically demanding, noise-sensitive, and performance-critical applications. My work centers on integrating switching power stages, high-speed digital logic, and RF signal chains onto robust, manufacturable multilayer PCBs. In power electronics, I design isolated and non-isolated DC-DC converters, battery-powered systems, and power distribution networks for high-current and fast transient loads. I place strong emphasis on switch-node containment, current-loop minimization, gate-drive optimization, thermal management, protection circuitry, and EMI/EMC mitigation particularly in mixed-signal environments shared with FPGA and RF subsystems. For high-speed and FPGA design, I develop platforms supporting interfaces such as DDRx, LVDS, MIPI, SerDes, PCIe, and high-speed ADC/DAC links. My layouts are driven by disciplined signal integrity and power integrity practices, including stack-up planning, controlled impedance routing, length and skew control, reference plane continuity, and decoupling strategies tailored to fast edge rates and tight timing margins. In RF PCB design, I implement low-noise and high-frequency signal paths from MHz through multi-GHz ranges, including LNAs, PAs, filters, matching networks, and antenna interfaces. I apply proven RF layout techniques impedance matching, isolation, grounding, shielding, and partitioning to ensure predictable performance while coexisting with high dv/dt power stages and high-speed digital switching. My end-to-end workflow spans system architecture, schematic capture, stack-up definition, SI/PI and EMI risk analysis, PCB layout, DFM/DFA review, and hardware bring-up. I am proficient with Altium Designer, KiCad and Cadence Allegro, and I validate designs using oscilloscopes, VNAs, spectrum analyzers, and power analysis tools. I deliver reliable, production ready hardware for communications, instrumentation, embedded computing, and power conversion systems where electrical performance and electromagnetic control are paramount.