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Edit Electricity Monitoring Learn all about the basics of electricity monitoring, from AC power theory to designing and building your own monitoring system. Sustainable Energy Exploring the context of energy, renewable supply, energy efficiency and zero carbon energy systems. PV Diversion Discover how to build a solar PV diverter. Other Utilities Studies on other applications, such as gas and water monitoring. In this Chapter: Learn Open EnergyMonitor Home Guide Learn Resources Community Blog Shop Search Electricity Monitoring AC Power Theory Introduction Arduino Maths Advanced Maths 3-Phase Power Use in North America URL Embed CT Sensors 1. Introduction 2. Installation 3. Interfacing with an Arduino 4. How to Build an Arduino Energy Monitor Measuring Current Only Advanced: Measurement Implications of ADC Resolution at Low Current Values Extending CT Sensor Cable YHDC SCT-013-000 CT Sensor Report YHDC SCT006 CT Sensor Report URL Embed Voltage Sensing 1. Measuring Voltage with an AC-AC Power Adapter 2. Different AC-AC Power Adapters Report: IdealPower 9V AC-AC Adapter Report: Mascot 9v AC-AC Adapter Why Can't I Use a Single Transformer? URL Embed Current & Voltage Basic: How to build an arduino energy monitor 1. Calibration Procedure 2. Emontx error sources 3. CT and AC power adaptor installation and calibration theory 4. How good is your multimeter 5. Buffered Voltage Bias Advanced: Digital filters for offset removal Advanced: Explanation of the phase correction algorithm URL Embed Networking Which radio module RFM12B & RFM69cw wireless transceiver modules Sending data between nodes URL Embed Pulse Counting Introduction to pulse counting Interrupt based pulse counter Interrupt based pulse counter + with sleep 12 input pulse counting Gas Metering URL Embed Temperature DS18B20 temperature sensing DS18B20 temperature sensing 2 RTD temperature sensing URL Embed Timeseries Timeseries storage history in emoncms Fixed interval timeseries Fixed interval with averaging Variable interval timeseries Write load investigation URL Embed Emoncms Internals Architecture Developing a new module Global variables in Emoncms Input Processing URL Embed Using the Arduino IDE Windows 10 OS: Installing the Arduino IDE Windows 10 OS: Installing the Arduino Libraries Ubuntu (Linux) OS: Installing the Arduino IDE Ubuntu (Linux) OS: Installing the Arduino Libraries macOS: Installing the Arduino IDE macOS: Installing the Arduino Libraries URL Embed Other Software Android App Part 1 Android App Part 2 Drawing A Bar Chart Graphing in kst VIsampler 2.0 SMA webbox data extractor URL Embed Sustainable Energy Energy 1. Introduction 2. Energy 101 3. Snowdonia Energy Study 4. Snowdonia Energy Study: Data 5. Building on the ZeroCarbonBritain energy model 6. Community scale scenarios 7. Renewable Heat 8. Looking at Costs Appendix 1: UK Energy 2015 Appendix 2: Energy use in context Appendix 3: Energy 101 Reference Appendix 4: Green Tariffs Appendix 5: Petrol, Diesel and Electric car energy and carbon performance Further reading Industry: Sabatier process Industry: Steel production Industry: Plastic production URL Embed Zero Carbon Energy Model 1. Variable Supply 2. Variable supply and flat demand 3. Variable supply, traditional electricity demand and oversupply 4. Mixed supply and flat demand 6. Electric Vehicles 7. Household electric only model 8. Household full energy model Aggregation ZCB Dataset Python models URL Embed Building Energy Modelling 1. Introduction 2. Fabric heat loss 3. Ventilation heat loss 4. A simple building energy model Fabric Element Library Basic radiator model Basic heatpump model Dynamic building model Model examples ESPR URL Embed Tools MyHomeEnergyPlanner: Getting Started Electricity audit and savings case study URL Embed PV Diversion Introduction Choosing An Energy Diverter URL Embed Background Meters Overload protection of mains electrical circuits URL Embed MK2 PV Diverter Contents 1. Introduction 2. Measurement of surplus PV 3. Diversion and Use of surplus PV 4. Switching High Current Loads (Triac) 5. Mk2 Controller Operating Modes 6. Voltage and current measurement 7. Calibration 8. Building a Mk2 PV Router 9. Software Versions URL Embed PLL Diverter Contents 1. Features 2. Software Design Overview 3. What is a PLL? – operating principle 4. The ADC and interrupts 5. Integer maths 6. Advantages over emonLib 7. Implementation 8. The sketch explained in detail. 9. Hardware 10. Derivatives 11. References URL Embed Other Utilities Water & Gas Introduction URL Embed Home Guide Learn Resources Community Blog Shop Search Copied to Clipboard...