This document summarizes an experiment to observe the voltage-current characteristics of a Zener diode. The experiment involves setting up a circuit with a Zener diode, voltage source, resistor and multimeters. Voltage and current readings are taken by increasing the voltage in small increments. A graph is plotted showing a linear region, followed by a sudden change indicating breakdown voltage. The breakdown or Zener voltage is observed to be approximately 6.3V. Zener diodes maintain a stable voltage even when current increases, making them useful for voltage regulation.
An electric circuit is a path in which electrons from a voltage or current source flow. The point where those electrons enter an electrical circuit is called the "source" of electrons.
Rectifier class 12th physics investigatory projectndaashishk7781
Investigatory project of physics class 12 for helping kendriya vidyalaya students
Project on rectifier whoever taking this project also requires a modal of rectifier
A series circuit is a circuit in which resistors are arranged in a chain, so the current has only one path to take. The current is the same through each resistor.
An electric circuit is a path in which electrons from a voltage or current source flow. The point where those electrons enter an electrical circuit is called the "source" of electrons.
Rectifier class 12th physics investigatory projectndaashishk7781
Investigatory project of physics class 12 for helping kendriya vidyalaya students
Project on rectifier whoever taking this project also requires a modal of rectifier
A series circuit is a circuit in which resistors are arranged in a chain, so the current has only one path to take. The current is the same through each resistor.
My Life on Trails--What a Cougar Taught Me About ConservationDesLandTrust
Trails play a major role in the life of many Central Oregonians—whether in city parks or mountain wilderness. But have you ever thought about how those trails came to be? Join 27-year Deschutes National Forest trails specialist John Schubert for an evening on trails. Learn about the rich history of trails and how contemporary design, construction, and maintenance strive to minimize our impacts on nature. Finally, John, renowned trail designer and bridge builder across the country, will share tips on how people who love trails can reduce their own impacts while using them.
2016 Election Results -- the best maps I could find.Debra Cleaver
2016 Election Results, in map format. Thanks to NY Times, DailyKos and Ballotpedia for the maps. In 2017, Republicans control the White House, the Senate, the House of Representatives, the Supreme Court, 33 out of 50 governorships, 68 out of 99 state chambers, and hold trifectas in 25 out of fifty states. This is impressive.
This paper shows my ability to figure out several unknown circuit configurations with the use of an oscilloscope and an AC power supply. the properties of diodes were also investigated.
1 Electric Field around a Conductor Equipment List Q.docxhoney725342
1
Electric Field around a Conductor
Equipment List
Qty Items Model Number
1 Voltage Sensor CI-6503
1 Equipotential and Field Mapper kit PK-9023
1 Power Supply, 15 Volts, DC SE-9720
1 Silver (nonconductive) Pen & Conductive Ink Pen PK-9031B
2 Patch cords
2 Alligator clips
Introduction
The purpose of this activity is to determine the shape and magnitude of the electric field and
equipotential lines around point charge configurations and, and parallel plate configurations on a piece
of conductive paper.
Background
An electric field is the effect produced by the existence of an electric charge, such as an electron
(negative charge), proton (positive charge), or ion (charged atom) in the volume of space or medium
that surrounds it. Another charge placed in the volume of space surrounding the “source” charge has a
force exerted on it. The electric force applied by two charges, q1, and q2, on each other can be obtained
from Coulomb’s Law:
𝐹𝑒 = 𝑘
|𝑞1||𝑞2|
𝑟2
, Where 𝑘 =
1
4𝜋𝜖𝑜
= 8.99𝑥109 𝑁𝑚
2
𝐶2
⁄ , and 𝜀𝑜 = 8.85𝑥10
−12 𝐶2
𝑁𝑚2
⁄
Where k is Coulomb’s Constant, εo is the Permittivity Constant, and r is the separation distance between
the two charges.
The force of attraction or repulsion between point charges at rest act along the lines joining the two
charges. If there are more than 2 charges, the equation above hold for each pair of charges and the net
force can be found on each charge by using the superposition principle of vector addition as the vector
sum of the forces exerted on the charge by all of the other charges.
The electric field, �⃗� , at any point is defined by the electrostatic force that would be exerted on a
positive test charge qo placed there such that �⃗� =
𝐹
𝑞𝑜
=
𝑘𝑞
𝑟2
. The SI units for Electric Fields are
Volts/Meter, V/m. Electric Fields are vectors since they have both a magnitude, and a direction. Point
charges generate electric fields that point in the radial directions. Positive charges create electric fields
that radiate radially outwards, while negative charges create electric fields that radiate radially inwards.
rev 09/2016
2
As mentioned earlier, electric field lines help provide a means for visualizing the magnitude and
direction of electric fields. Similarly, equipotential lines show where every point on that line has the
same potential, for example 5V, similar to that of a topographical map showing elevation, as shown
above.
It is important to note that the electric field vector at any point is tangent to a field line through that
point as you can see with the right angle indicators. Likewise, equipotential lines that are closer together
show a strong electric field and as you become further from the charges, the electric field will become
weaker shown by the distance between the field lines becoming greater.
3
Setup
1. A Conductive Paper with two charge configurations will be pr
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Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
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Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
1. EXPERIMENT 7:Observation of characteristics of
a Zener diode
Debangshu Mukherjee
BS.c Physics,1st Year
Chennai Mathematical Institute
7.11.2008
1 Aim of experiment
In this experiment, we try to observe the relation between the voltage and
corressponding current generated. We will then plot it to get the depen-
dence.
2 Apparatus required
a)A Zener diode
b)A DC voltage supplier
c)Bread board
d)100Ω resistor
e)2 multimeter for measuring current and voltage
f)Connecting wires
3 Theory of experiment
A Zener Diode is constructed for operation in the reverse breakdown re-
gion.The relation between I-V is almost linear in this case Vz = Vz0 + Izrz ,
where rz is the dynamic resistance of the zener at the operating point.Vz0 is
the voltage at which the straight-line approximation of the I-V characteristic
intersects the horizontal axis. After reaching a certain voltage, called the
breakdown voltage, the current increases widely even for a small change in
voltage. However, there is no appreciable change in voltage. So, when we
plot the graph, we should get a curve very near to x-axis and almost parallel
to it for quite sometime. After the Zener potential Vz there will be a sudden
change and the graph will become exponential.
1
2. 4 Procedure
We first construct the circuit as shown in the figure with the 100Ω resistance
and a variable DC input voltage.
Now, we start increasing the voltage till there is some reading in the
multimeter for current. Then, we note that reading. Now, we start increas-
ing the input voltage and take the corressponding current readings. We
get a set of values and construct a V vs I graph. This graph gives us the
I-V characteristics. The slope of the curve at any point gives the dynamic
resistance at that voltage.
2
4. 6 Result
The breakdown potential, also called the zener potential i.e Vz ≈ 6.30V .
7 Discussions
The precautions are quite similar to that taken in a normal diode i.e
•Excessive flow of current may damage the diode
•Current for sufficiently long time may change the characteristics
•Zener diodes are used in voltage regulation in circuits because even when,
a large current flows through, their voltage does not change appreciably.
4