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Automotive / Body compartments
This note is about the vehicles' body compartments. Inside got the details of different vehicles.
£3.74 Preview RemoveRack Fundamentals in data centers
Course Description: 2-post, 4-post, U's, cable entry, seismic ratings, placement, service access, power and cooling integration. When did Racks become so complicated and how have they evolved to meet the changing needs of Data Centers? This course covers rack standards, rack types, and rack enclosures. It discusses best practices for rack system selection, and explores the physical considerations for rack layout
£3.75 Preview RemoveINSTRUMENT TRANSFORMERS (CT & PT)
It includes measurement of current and voltage using ct and pt, construction, phasor diagram and applications of instrument transformers ( current and potential ) with diagrams.
£3.75 Preview RemoveThermodynamics day 4 open systems and convection
These notes explain how the first law is applied to open systems as well as convection, and conduction.
£2.50 Preview RemoveDynamics Testing of an Industry Oriented Real Time DTC Induction Motor Drive Using Mat lab Simulink
Direct Torque Control is a robust control technique which is insensitive to control parameters variations. This is a field oriented control technique in which the detail analysis of motor parameter are required as it is very difficult to measure the rotor time constant which is varies with temperature. Though it is a basic control technique, but it is essential for understanding this technique to develop the advance control algorithm using fuzzy logic control, neural network algorithm etc. A 149.2kw. 2pole cage induction motor of460 volts, 60 Hz, 1800 rpm and inertia constant 10 Kg.m^2 was tested using matlab simulink .The torque developed was 790 N.m according to parameter. To make a real time model I had chosen ac source resistance 0.0056Ω and inductance 0.15mH and model was developed by matlabR2016 simulink environment. A fan load was taken and the motor fed by a variable AC voltage and frequency produced by an inverter. The inverter used was the voltage source inverter (VSI) in the sense that this inverter was fed by a constant DC voltage. This constant voltage was provided by an uncontrolled diode rectifier and a capacitor (capacitive DC bus voltage). After simulation I had found that From 0.02 second to 0.25 second, the fan speed increased because of the 600 N.m accelerated torque produced by the induction motor. When time was 0.25 second, the electromagnetic torque jumped down to 0 Newton-meter and the speed reduced because of the load torque opposed by the fan. When time was 0.5 second the motor torque developed a -600 Newton-meter torque and allowed braking of the fan. During braking mode, power was sent back to the DC bus and the bus voltage increasesed. As planned, the braking chopper limited the DC bus voltage to 700 V. At time is equal to 0.75 second, the electromagnetic torque jumped back to 0 N.m and the speed settleed around -10 rpm and reduced toward 0 rpm. It was found that the flux was attained around 0.8 Wb throughout the simulation. The flux and torque oscillation amplitudes are slightly higher than 0.02 and 10 N.m respectively .
£5.00 Preview RemoveIntroduction to Control Systems
In these notes I have discussed the Basics of control systems which includes Introduction to control systems, Open loop system, Close loop systems, Review of Laplace transforms and Review of Linear time invariant systems.
£6.25 Preview RemoveDesign and Implementation of a Smart Home System
A smart home or building is a home or building, usually a new one, that is equipped with special structured wiring to enable occupants to remotely control or program an array of automated home electronic devices by entering a single command
£1.50 Preview RemoveNotes about Peak Inverse
This notes is about peak ninverse voltage in Electronics.This is very helfull for all levels of students.Try it out and makee a good remarks in EXAMS.
£6.25 Preview RemoveThe Abbreviated , the coolest !! Battery safety overview
Course Description: Battery systems and battery rooms are regulated by a number of fire safety and environmental standards and codes. Proper interpretation of these codes is essential in the design and implementation of data centers and network rooms. It is important for data center designers to have a clear understanding of the fire safety and environmental regulations as they apply to UPS battery installations. While most commercial battery back-up systems fall below government-required reporting levels, very large UPS and DC plant batteries may have to comply. Failure to comply can result in costly penalties. Environmental compliance focuses on the amount of sulfuric acid and lead at a particular location. Power ratings for VRLA batteries and modular battery cartridges (MBC) are much higher than for flooded batteries at the same reporting threshold. This course offers a high level summary of the regulations and provides guidance for locating sources of regulatory information
£2.00 Preview RemoveTHERMAL POWER STATIONS
A brief discussion about thermal power stations. It is for electrical engineering students.
£0.50 Preview RemoveSufficient condition for the extremum of a function of two variables
Comprehensive notes and practicals (Problems and Solutions) covering: -Sufficient conditions for the extremum of a function of two variables
£3.13 Preview RemoveMEASURING DEVICES
These notes are about measuring devices. They will help alot of Physics students.
£2.50 Preview RemovePython course
Python course begginers to advanced level with handwritten notes & projects
£0.50 Preview Remove