This web site supports the development and maintenance of select projects. It targets Energy Harvesting, Power Conversion, and Control Systems. These projects are guided through relationships with users, clients, and consultants. In addition, cataloging efforts helps others to provide useful feedback, which helps achieve goals and objectives.
Open source projects, including: Field Oriented Drive/ Brush-Less DC (FOD/BLDC) generator/motor controller, Embedded, Software, Electrical and Mechanical Hardware, Functional Conformance Test (FCT), Gardening, and Ranching.
Categories have descriptions that mention what type of documentation is within. This is managed with Mercurial [*] using this setup [**]. This information is provided under the GPLv2 [***], FDL [****], or its own license, unless it is patented or pending. * http://en.wikipedia.org/wiki/Mercurial ** http://epccs.org/indexes/Document/DvlpNotes/ *** http://en.wikipedia.org/wiki/Gpl **** http://en.wikipedia.org/wiki/GNU_Free_Documentation_License
"epccs.[org|com]" is not a company it is a domain name, it has been in use for some time as indicated. Ronald Sutherland (owner) Electrical Engineer experienced with production support and product development, including: test, firmware, circuit board, and hardware. I like: automation projects, complex gardening projects, and researching energy conversion. cover letter resume
This list is for informational purposes, as such it only shows a few examples.
Energy Storage Lead-acid battery Lithium-ion battery Li-S battery Fuel cells Double-layer Capacitor Compressed Air Energy Storage jenny FS curtis Flywheel Thermal Radiant Barrier Keep heat out or in. Emissivity Innovative Insulation inc. Henry white roof coating I used 587 over half my roof and feel a huge difference with skin contact temperature to an unfinished area in full daylight. At night, an hour after the sun went down I measure the painted surface is 10 degrees Farienhite less than the air temperature, which suggest a high emissivity. Note: I have also tryed Hy-Tech ceramic paint additive but it is of no value. It has a lower emissivity than the 587, so does not cool down as much at night, and is not as reflective during the day, which is why it heats up faster. Hydroelectric storage
Boiler CentralBoiler startup: ProFab Wood Gasification Boilers by Empyre Tarm startup: Solar Power Nano Solar Spectrolab MrSolar Zomeworks Infinia Photosynthesis quantum coherence "capturing 95 percent of the light energy that hits a leaf"... o.O Wind Power Southwest windpower Westwind Thermoelectric hi-z TE technology Cold Fusion E-Cat May be a scam? I'm just not sure yet. BCS theory There is evidence of superconductivity? Bose-Einstein Condensate I'm lost. Is it a single quantam entity, where many atoms share a quantam state?
DC-DC Buck Boost Flyback Forward Push-pull Buck with Flyback This method was used in VKP, VSX, and VKA type products from C&D, now history. Its transient response was amazing, also excellent system stability. The magnetic gap flux causes EMI, so shiling is need, (not indicated in pattent). It turns out the gap used in the center leg mechanically flexed during operation, and changed the magnetic gap reluctance. This mechanical load was seen in the circuit behavior as a multi farad capacitor. Buck, SEPIC fed CUI So muRata PS walked away from Fred, I hope CUI finds some customers for this. Power-One Has classic DC/DC bricks, but also offers AC-DC, and DC-AC 1ph and 3ph /w MPPT Alexitec is Ian Poynton Best I know in this field. DC-AC a.k.a. Inverter Iota Outback Morningstar AC-DC a.k.a. Supply or Rectifier Vienna Rectifier Lambda Xantrex Battery Chargers, and DC-AC Variable-Frequency Drive My VFD Project Why? Because it can cause motor operation in four quadrants, it can cause power flow from or to a mechanical energy source, load, or storage. Rockwell Emerson Industrial Heat Engine Perkins Isuzu Lister-Petter Yanmar The L100V at 1800 rpm uses 225g diesel/kWh, thats just amazing. The data they show is awesome, wish others would do this. http://www.yanmar.co.jp/en/engine/products/industrialEngine/lv/performanceCurve.html 130,000 Btu/gallon * 1 kWh/3412 Btu =38kWh/gallon 7.15 pounds/gallon * 453.59237 g/pound = 3250 g /gallon 3250 g/gallon * kWh / 225 g = 14.44 kWh 14.44 kWh/ 38 kWh = 38 precent eff ... nice None have this setup (there is a 2600RPM 5Kw belt drive from China). It would produce 2.5-3kW full load at 1800 RPM Infinia Stirling cycle echogen Supercritical CO2 Rankine cycle Articles: http://nextbigfuture.com/2011/03/supercritical-carbon-dioxide-brayton.html Heat Exchanger Spirec Electrical Generator An overhauling load will generate on Induction and synchronous machines Induction Motor Math and View Marathon Hansen motor Synchronous Machine Sinusoidally Distributed Windings Wind Blue Power 3 phase /w PM, these low voltage alternators may be vector driven with a low voltage VFD/BLDC. Brushless DC Danahermotion Stepping Motor HobbyCNC Hydropower ABS Alaskan Powerspout GreenPelton Grundfos SQFlex is a PD type DC well pump with MPPT and BLDC/VFD drive Viking Pump PD type Pumps are efficient over a wide RPM/flow range. A good match for VFD control. Goulds Airlift pump Brumby Pump Geyser Pump
Embedded System Arduino Panda Board Ethernut embeddedsys Mini-box from 12V DC battery. Sparkfun hobby boards Programmable Logic Controller AutomationDirect Modbus VFD RTU (RS485) example: http://www.youtube.com/watch?v=h8wxo-HWMtE libmodbus Open Source LGPL, runs on Linux and Windows pymodbus Open Source BSD, python runs on most everything modbusino Small Modbus slave, RTU (serial) for Arduino (parts ported from libmodbus) FreeMODBUS Modbus for a range of MCU's and OS (some real time). Firmware eLua Project python-on-a-chip Linux4SAM Das U-Boot Microcontroller Atmel ARM, AVR, 8051 Microchip PIC Renesas M16C, SuperH Human Machine Interface LED light Powerfull LED's are a must. multi-touch List Metrology Measuring Instrument LXI Verify SCPI is available at a raw TCP/IP port Standard Commands for Programmable Instruments SCPI is textual commands, over GPIB, RS232, or a network port. This makes communication with an instrument simular to a textual SQL server interface. With SCPI and LXI, consider network frindly languages like Python or TCL. Data acquisition Prologix, LLC GPIB to USB (SCPI to FTDI Virtual COM Port that emulates a standard serial port). GPIB to ETHERNET (i.e. SCPI to TCP/IP port 1234). It allows use of SCPI on older GPIB equipment without NI cost and/or bloated software. Both USB and ETHERNET bridges function with Linux, FreeBSD, OSX or Windows. Both allow use of any modern programing language with Serial or Ethernet libraries. Total Phase USB, I2C, SPI, CAN bridges for development and validation. Agilent Keithley TSP is Lua, see http://www.keithley.com/emarketing/resourceguides/lxitsp/ Tektronix Stanford Research QuadTech Dataforth Ziplevel precision altimeter to measure level|elevation|slope Servo Advanced Motion Controls Delta Tau PowerAmp Design is Dennis Eddlemon Power amplifiers are used to control processes. Dennis is redefining a historically hybrid industry.
Sickle Scythe Scythe Supply Juicer Norwalk Hydraulic Press Research Gerson Therapy (gerson.org), which shows this press has been working for them. Green house RIMOL Greenhouses Fruit trees Grafting Peaceful Valley They have sickle, scythe, canning... Trees of Antiquity Willis Orchards Rolling River Nursery Herbs Horizonherbs Vegetable Seeds of Change Heirloom Seeds Tradewinds Fruit Beekeeping Brushy Mountain Bee Farm
Machine Tools Milling acergroup E-mill and E-lathe HASS HASS CNC vertical, horizontal, and turning center Lathe Numerical Control Mach3 CNC controller runs on NT, it was port from EMC TurboCNC CNC controller runs on DOS only, another port from EMC EMC2 CNC controller runs on Linux, also from EMC which ran on Linux
Copyright (C) 2004 Ronald Steven Sutherland
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