Electrical Engineering Jobs

191 were found based on your criteria {{ paging.total|number:0 }} were found based on your criteria

show all
  • Hourly ({{ jobTypeController.getFacetCount("0")|number:0}})
  • Fixed Price ({{ jobTypeController.getFacetCount("1")|number:0}})
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
Looking for an experienced electronics engineer for 1 to 3 months project that can be extended to longer period of time. Must be experienced in schematic design, footprint design, layout design and choosing the right components with minimum cost and generate the required libraries. Project specifications are ready to deliver upon request.
Skills: Electrical engineering Electronic Design PCB Design Product Design
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
i am the manufacturer of electrical products basically led street lights , flood lights , led panel lighting , tube light and bulb . i am looking for the designer/engineer who can support me in long term circiut designs and product development .
Skills: Electrical engineering Circuit Design PCB Design
Fixed-Price - Intermediate ($$) - Est. Budget: $250 - Posted
Looking for an EE with experience in MCU, wireless communication (wifi, rf) AC and DC voltages. We currently have 3 projects that require fine tuning. All 3 projects deal with MCU + wireless + relay or solenoid. We are a group of software programmers with little MCU (or electronics) experience and looking to partner with someone who can provide on going EE advice. More details will be discussed in private. If interested please start a conversation with us.
Skills: Electrical engineering Circuit Design Integrated Circuits Microcontroller Design
Fixed-Price - Expert ($$$) - Est. Budget: $100 - Posted
We are looking for an original article focusing on the Joule Thomson Effect and how it is used in an INDUSTRIAL application (not residential) to be written. 500 word The article should focus on the topic and can include components such as industrial heaters. Audience: Professional Engineers, Academic Professors Will be verified using Copyscape.com to make sure it is 100% original Technical details are encouraged for these keywords
  • Number of freelancers needed: 10
Skills: Electrical engineering Article Writing Blog Writing Internet research
Fixed-Price - Intermediate ($$) - Est. Budget: $220 - Posted
PSIM Analysis and Report of Converter Schematics The project is to design a boost converter circuit and analysis report, with high efficiencies. They need to have reasonably low costs of components for specification given. There should be accurate calculations of component parameters and reasons why the size of components was chosen for the circuit. There should be closed loop current and voltage control design (where necessary, with PI blocks, limiters, filters, comparators, voltage sensors, voltmeters, ammeters etc.) with reasons for block use and analysis on Control design. Please refer to the completion table attached for further clarity of requirements. The circuit should simulate correctly with minimal ripple and smooth outputs. For the control design, where necessary, please include a Vreferecnce, error summer, pi block, limiter and the gating signal should be appropriate with the reason for choice. Topologies provided as attachments (6 of them). Use these specifications, Specification 1: P=1MW; Vin = 20kV; Vout=50kV. 2-5kHZ is an example of the switching frequency that can be used for this converter unless discussed other idea with myself . Design the converters for OPTIMUM efficiency and show calculation overall efficiency with Pin and Pout Values; also design for lowest losses with reason for use of components and how they increase efficiency of reduce losses. I'm trying to do an investigation looking at installed power in the semiconductors, size of passive components, evaluation of losses in semiconductors, losses in magnetic components and overall efficiency (so I need all these results with calculations, equations and reasons for use). Evaluation of losses in semiconductors should be done using the thermal modules in PSIM with an appropriate selection of components and parameters. Evaluation of magnetic losses should also be done! Save SimView figures of Gate Signals, Component Voltages, Input and Output Voltages , Component Currents, processed power against Installed Power and evaluation of losses (including magnetic losses) and provide notes and calculations of losses. Analysis describing the figures. I will need an analysis of each figure to describe it and show operation (discharging, charging, Discontinuous current mode, current mode etc. ) I NEED AN ACCURATE DESCRIPTION! The advantages and disadvantages should be reported and the disadvantages compared to non resonant topologies should be specifically highlighted (costs etc.) Require files to be saved in PSIM 9.0. If you require reference papers for assistance, I can attach them as well. Need completion in 3 days, maximum. and a start as soon as possible. The figures should be saved in the analysis as printed files not screen shots as enlarging will reduce the quality of the image. I have completed the circuits and need to check for optimum efficiency and output and operation. The report should be written exactly according to the template please. I require the completed files to be given as the project is on going. The figures of the schematics should keep label names intact in the report with no modification so no values should be shown in schematic figures. I require the equations to be laid out in the format shown in the template. I need a table of switching devices that could be used and reason for selection of a particular switching device. I require a thermal circuit for the circuit 3 and 7 and optimum output and performance with sub circuits for them. I need appropriate references for calculations as well with accurate calculations and values and units as per template. I need bitmap smaller figures as per template for stresses etc. I need a comparison of the converters in table and description for where the stresses (v and i ) of the converters are compared along with component sizes and component stresses. The optimum converter should be evaluated from this. Will send attached file on acceptance. There should be a psim file for each part of the report for the circuit if possible please. b) circuit_with_control.psimsch file, c) circuit_with_control_and_thermal_modules.psimsch file. No time wasters please!
Skills: Electrical engineering Electrical Drawing Electronic Design Electronics
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
I need someone to design an inverter circuit with smooth sinusoidal output to be used to provide 220V 50Hz signal from a 12V DC battery (similar to a car battery). A control design for the circuit will be a plus.
Skills: Electrical engineering Circuit Design
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
We have a patent that we need to manufacture in China. We don't just need help in cad drawings, we need an engineering person can configure the various inputs and outputs / power parameter and make specifications. The work comprises the fields of Pneumatic and Air compression, Hydraulics and pumps as well as electrical generation. Are you up to any of these tasks?
  • Number of freelancers needed: 15
Skills: Electrical engineering 3D Design Mechanical Engineering
Fixed-Price - Entry Level ($) - Est. Budget: $150 - Posted
Looking for a PCB designer who has experience in pico projection, lasers, and fiber optics. Essentially I need a design of compact processor board for a pico projector. The main details of the projector you will be developing is in the attached file below. Please read & review the whole pdf document. If you are interested in the development of this projector please submit a proposal detailing your experience, and how you can apply it to this project. If you match the requirements I'd be happy to discuss further details & mockups. Thanks
Skills: Electrical engineering Electronic Design Fiber Optics Microcontroller Design