# Amith Vijayan - Power Systems Engineer & Energy Strategist

> Certified Chartered Engineer (CEng) certified by The Institution of Engineers (India) (IEI) with 12+ years in electrical utility engineering, distribution grid reliability, Smart Metering (AMI), and energy transition strategy. Developer of 24 precision industrial techno-economic modeling calculators compliant with IEEE, IEC, and IS standards.

## Core Expertise & Professional Practice

- **Power Systems & Grid Operations**: Engineered 99.9% grid reliability across regional distribution networks at Kerala State Electricity Board Ltd (KSEBL); reduced Aggregate Technical & Commercial (AT&C) losses with non-technical losses cut by 15% and technical losses down to 8.6%.
- **Advanced Metering Infrastructure (AMI)**: Author of the utility blueprint *"Unleashing the Power of Advanced Metering Infrastructure: A Comprehensive Guide for Electric Utilities"*.
- **Renewable Integration & Prosumer Markets**: Specializing in rooftop solar PV (PM Surya Ghar), battery energy storage systems (BESS), microgrid peer-to-peer (P2P) clearing models, and electric vehicle (EV) charging infrastructure.
- **Academic & Credentials**: B.Tech in Electrical & Electronics Engineering (Anna University), Pursuing MBA in Power Management (UPES), Chartered Engineer (CEng).

## Precision Electrical Engineering Calculators (24 Tools)

Interactive, client-side engineering tools built for industrial power systems engineers, researchers, and project developers.

### 1. Residential & Prosumer Sizing
- [Residential Solar & PM Surya Ghar Subsidy](https://amithvijayan.in/tools/residential-solar-subsidy): Calculate rooftop solar generation, payback period, net metering savings, and direct benefit transfer (DBT) subsidy under PM Surya Ghar Muft Bijli Yojana.
- [Residential Battery Backup & Blackout Runtime](https://amithvijayan.in/tools/residential-battery-backup): Model Lithium Iron Phosphate (LFP) home battery storage capacity, critical circuit autonomy, and diesel generator avoidance economics per IS 16046.
- [Microgrid P2P Power Exchange Clearing](https://amithvijayan.in/tools/prosumer-p2p-exchange): Simulate peer-to-peer transactive energy clearing between prosumers and consumers, factoring in DISCOM wheeling charges and dynamic local locational marginal prices per IEEE 2030.7.

### 2. Power Systems & Sizing
- [Short-Circuit Current & Fault Level Calculator](https://amithvijayan.in/tools/short-circuit-calculator): Calculate symmetrical 3-phase short-circuit currents (Ik''), peak making currents (ip), and breaking capacity per IEC 60909.
- [LV/MV Cable Sizing & Voltage Drop Calculator](https://amithvijayan.in/tools/cable-sizing-calculator): Size XLPE and PVC copper/aluminum cables with full derating factors, short-circuit withstand, and percentage voltage drop per IEC 60287 / IS 7098.
- [Transformer Fault Current & Sizing Calculator](https://amithvijayan.in/tools/transformer-fault-calculator): Evaluate power transformer full-load current (FLC), secondary fault levels based on percentage impedance (%Z), and primary/secondary breaker ratings per IEC 60076.
- [Power Factor Correction & Capacitor Bank Sizing](https://amithvijayan.in/tools/power-factor-calculator): Determine required shunt capacitor bank rating (kVAr), demand kVA reduction, utility penalty savings, and harmonic resonance risk checks per IEEE 18 and IEEE 519.
- [Current Transformer (CT) Sizing & Knee-Point](https://amithvijayan.in/tools/ct-sizing-calculator): Size protection (Class 5P20) and metering current transformers, evaluate secondary burden (VA), and verify saturation knee-point voltage (Vk) per IEC 61869-2.
- [Per-Unit (pu) System Calculator](https://amithvijayan.in/tools/per-unit-calculator): Convert physical electrical quantities (ohms, amperes, volts, MVA) to dimensionless per-unit values across multi-voltage networks per IEEE 399.
- [Per-Unit Base Conversion Calculator](https://amithvijayan.in/tools/per-unit-base-conversion): Re-base equipment impedance from OEM nameplate ratings to common system study bases with ohmic invariance per IEEE 399.
- [Symmetrical Components Calculator](https://amithvijayan.in/tools/symmetrical-components-calculator): Decompose unbalanced 3-phase voltage and current phasors into Fortescue sequence components (positive, negative, zero) and evaluate Voltage Unbalance Factor (VUF%) per IEC 61000-4-30.
- [Sequence Impedance Calculator](https://amithvijayan.in/tools/sequence-impedance-calculator): Model positive, negative, and zero sequence impedances (Z1, Z2, Z0) for generators, transformers, and lines, and verify IEEE 142 effective grounding compliance (X0/X1 <= 3.0).
- [Three-Phase Fault Calculator](https://amithvijayan.in/tools/three-phase-fault-calculator): Compute symmetrical 3-phase short-circuit currents and fault MVA comparing infinite utility bus vs source-plus-transformer models per IEC 60909.
- [LG / LL / LLG Fault Calculator](https://amithvijayan.in/tools/unbalanced-fault-calculator): Analyze unsymmetrical Single Line-to-Ground (SLG), Line-to-Line (LL), and Double Line-to-Ground (LLG) faults and healthy phase voltage rise per IEC 60909-0.
- [Radial Feeder Load Flow Calculator](https://amithvijayan.in/tools/radial-feeder-load-flow): Solve 3-to-6 node radial distribution feeder voltages and I^2*R active/reactive losses using the iterative Backward/Forward Sweep (BFS) algorithm per IEEE 141.
- [Voltage Profile & Feeder Remediation Analysis](https://amithvijayan.in/tools/voltage-profile-feeder-analysis): Model feeder voltage profiles, statutory limits (+-5%/+-6%), and optimize shunt capacitors, conductor reconductoring, or on-load tap changer (OLTC) remediation per IEC 60038.

### 3. Substations & Assets
- [Transformer Health Index (HI) & Aging Modeler](https://amithvijayan.in/tools/transformer-health-index): Compute composite transformer Health Index (HI), dissolved gas analysis (DGA Duval Triangle), oil breakdown voltage (BDV), furfural insulation degradation, and loss-of-life per IEEE C57.91.
- [Substation DC Battery Bank & Charger Sizing](https://amithvijayan.in/tools/substation-dc-battery): Size 110V/220V stationary lead-acid or nickel-cadmium battery banks (Ah), breaker trip duty cycle pulse loads, and float/boost charger ratings per IEEE 485.
- [Substation Earthing Grid & Potential Modeler](https://amithvijayan.in/tools/earthing-grid-calculator): Compute substation earth grid resistance (Rg), ground potential rise (GPR), and safe mesh touch and step voltage thresholds per IEEE Std 80.
- [Transmission Line Parameters & SIL Modeler](https://amithvijayan.in/tools/transmission-line-parameters): Model overhead transmission line GMD/GMR, series inductance, shunt capacitance, Surge Impedance Loading (SIL), and Ferranti effect per IEEE 738 and CIGRE.

### 4. Clean Energy & Storage
- [C&I & Grid-Scale BESS Sizing & 20-Yr Dispatch](https://amithvijayan.in/tools/bess-sizing): Optimize utility and commercial battery energy storage system power (MW) and energy (MWh), lithium cell degradation, peak shaving, and 20-year project cash flows per IEEE 2800 / IEC 62933.
- [Solar LCOE & Grid Parity Cashflow Engine](https://amithvijayan.in/tools/solar-lcoe): Compute 25-year Levelized Cost of Electricity (LCOE), degradation cash flows, internal rate of return (IRR), net present value (NPV), and commercial grid parity per NREL SAM / IRENA.
- [Carbon Offset & Scope 2 Emission Modeler](https://amithvijayan.in/tools/carbon-offset): Model Scope 2 greenhouse gas reduction, country-specific grid emission factor abatement, carbon credit generation, and ESG tree equivalence per GHG Protocol.
- [EV Charging Hub Demand & Feeder Sizing](https://amithvijayan.in/tools/ev-infrastructure-calculator): Calculate simultaneity demand (kVA), dedicated service transformer capacity, and incoming feeder sizing for multi-bay DC fast charging stations per IEC 61851.

## Books & Keynote Publications

- **Book**: *"When Sparks Become Soul: A Memoir of Struggle, Resilience, and High-Voltage Transformation"* - Available on [Amazon](https://www.amazon.in/Sparks-Become-Soul-Memoir-Struggle/dp/9371567740).
- **Technical Report**: *"Unleashing the Power of Advanced Metering Infrastructure: A Comprehensive Guide for Electric Utilities"*.
- **Keynote**: Invited Speaker at CIRED 2019 (Madrid, Spain) on Smart Grid Digitisation and Power Distribution Strategies.

## Official Links & Entity Graph

- Official Website: [https://amithvijayan.in](https://amithvijayan.in)
- Full Engineering Documentation: [https://amithvijayan.in/llms-full.txt](https://amithvijayan.in/llms-full.txt)
- Version Changelog: [https://amithvijayan.in/changelog](https://amithvijayan.in/changelog)
- LinkedIn: [https://www.linkedin.com/in/amithvijayan/](https://www.linkedin.com/in/amithvijayan/)
- Twitter / X: [https://twitter.com/amithvijayan](https://twitter.com/amithvijayan)
- GitHub: [https://github.com/amithvijayan](https://github.com/amithvijayan)
- YouTube: [https://www.youtube.com/@amithvijayan](https://www.youtube.com/@amithvijayan)