Electrical Engineering (EE) Exam > Electrical Engineering (EE) Notes > Short Notes for Electrical Engineering > Short Notes: Three Phase Circuits
Short Notes: Three Phase Circuits | Short Notes for Electrical Engineering - Electrical Engineering (EE) PDF Download
| Download, print and study this document offline |
Please wait while the PDF view is loading
Page 2
Negative Sequence (acb)
??
0
an P
V V 0
? ? ?
0
cn P
V V 120
? ? ? ? ?
00
bn P P
V V 240 V 120
For both phase sequence,
??
an bn cn
V V V
Connections
Star Connection
??
?
0
LP
Lp
V 3V 30
II
ab
V = line to line voltage or line voltage
0
ab an bn P
V V V 3V 30 ? ? ? ?
So, line voltage
ab bc ca
V ,V ,V are 3 times the phase voltage & lead the respective phase voltage
by
0
30 .
Line currents
a b c
I ,I ,I in this connection are equal to phase currents.
Phase current are the currents that flow in individual phases.
Page 3
Negative Sequence (acb)
??
0
an P
V V 0
? ? ?
0
cn P
V V 120
? ? ? ? ?
00
bn P P
V V 240 V 120
For both phase sequence,
??
an bn cn
V V V
Connections
Star Connection
??
?
0
LP
Lp
V 3V 30
II
ab
V = line to line voltage or line voltage
0
ab an bn P
V V V 3V 30 ? ? ? ?
So, line voltage
ab bc ca
V ,V ,V are 3 times the phase voltage & lead the respective phase voltage
by
0
30 .
Line currents
a b c
I ,I ,I in this connection are equal to phase currents.
Phase current are the currents that flow in individual phases.
Delta Connection
?
LP
VV
0
LP
I 3I 30 ? ? ?
Line current is 3 times phase current & lags respective phase current by
0
30 .
Power in a balanced 3 ?? system
L L P P
P 3V I cos 3V I cos ? ? ? ?
L L P P
Q 3V I sin 3V I sin ? ? ? ?
??
L L P P
**
S 3V I 3V I
For power measurement, refer to electrical measurements k-notes, two wattmeter method.
Read More
About this Document
4.79/5
Rating
Mar 26, 2025
Last updated
Document Description: Short Notes: Three Phase Circuits for Electrical Engineering (EE) 2025 is part of Short Notes for Electrical Engineering preparation.
The notes and questions for Short Notes: Three Phase Circuits have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Short Notes: Three Phase Circuits covers topics
like and Short Notes: Three Phase Circuits Example, for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Short Notes: Three Phase Circuits.
Introduction of Short Notes: Three Phase Circuits in English is available as part of our Short Notes for Electrical Engineering
for Electrical Engineering (EE) & Short Notes: Three Phase Circuits in Hindi for Short Notes for Electrical Engineering course.
Download more important topics related with notes, lectures and mock test series for Electrical Engineering (EE)
Exam by signing up for free. Electrical Engineering (EE): Short Notes: Three Phase Circuits | Short Notes for Electrical Engineering - Electrical Engineering (EE)
Description
Full syllabus notes, lecture & questions for Short Notes: Three Phase Circuits | Short Notes for Electrical Engineering - Electrical Engineering (EE) - Electrical Engineering (EE) | Plus excerises question with solution to help you revise complete syllabus for Short Notes for Electrical Engineering | Best notes, free PDF download
Information about Short Notes: Three Phase Circuits
In this doc you can find the meaning of Short Notes: Three Phase Circuits defined & explained in the simplest way possible. Besides explaining types of
Short Notes: Three Phase Circuits theory, EduRev gives you an ample number of questions to practice Short Notes: Three Phase Circuits tests, examples and also practice Electrical Engineering (EE)
tests
Related Searches
mock tests for examination
,Free
,MCQs
,Short Notes: Three Phase Circuits | Short Notes for Electrical Engineering - Electrical Engineering (EE)
,Objective type Questions
,Exam
,ppt
,past year papers
,Sample Paper
,Viva Questions
,shortcuts and tricks
,Short Notes: Three Phase Circuits | Short Notes for Electrical Engineering - Electrical Engineering (EE)
,study material
,Previous Year Questions with Solutions
,practice quizzes
,Short Notes: Three Phase Circuits | Short Notes for Electrical Engineering - Electrical Engineering (EE)
,video lectures
,Important questions
,Extra Questions
,Summary
,Semester Notes
;
Additional Information about Short Notes: Three Phase Circuits for Electrical Engineering (EE) Preparation
Short Notes: Three Phase Circuits Free PDF Download
The Short Notes: Three Phase Circuits is an invaluable resource that delves deep into the core of the Electrical Engineering (EE) exam.
These study notes are curated by experts and cover all the essential topics and concepts, making your preparation more efficient and effective.
With the help of these notes, you can grasp complex subjects quickly, revise important points easily,
and reinforce your understanding of key concepts. The study notes are presented in a concise and easy-to-understand manner,
allowing you to optimize your learning process. Whether you're looking for best-recommended books, sample papers, study material,
or toppers' notes, this PDF has got you covered. Download the Short Notes: Three Phase Circuits now and kickstart your journey towards success in the Electrical Engineering (EE) exam.
Importance of Short Notes: Three Phase Circuits
The importance of Short Notes: Three Phase Circuits cannot be overstated, especially for Electrical Engineering (EE) aspirants.
This document holds the key to success in the Electrical Engineering (EE) exam.
It offers a detailed understanding of the concept, providing invaluable insights into the topic.
By knowing the concepts well in advance, students can plan their preparation effectively.
Utilize this indispensable guide for a well-rounded preparation and achieve your desired results.
Short Notes: Three Phase Circuits
Short Notes: Three Phase Circuits Notes offer in-depth insights into the specific topic to help you master it with ease.
This comprehensive document covers all aspects related to Short Notes: Three Phase Circuits.
It includes detailed information about the exam syllabus, recommended books, and study materials for a well-rounded preparation.
Practice papers and question papers enable you to assess your progress effectively.
Additionally, the paper analysis provides valuable tips for tackling the exam strategically.
Access to Toppers' notes gives you an edge in understanding complex concepts.
Whether you're a beginner or aiming for advanced proficiency, Short Notes: Three Phase Circuits Notes on EduRev are your ultimate resource for success.
Short Notes: Three Phase Circuits Electrical Engineering (EE) Questions
The "Short Notes: Three Phase Circuits Electrical Engineering (EE) Questions" guide is a valuable resource for all aspiring students preparing for the
Electrical Engineering (EE) exam. It focuses on providing a wide range of practice questions to help students gauge
their understanding of the exam topics. These questions cover the entire syllabus, ensuring comprehensive preparation.
The guide includes previous years' question papers for students to familiarize themselves with the exam's format and difficulty level.
Additionally, it offers subject-specific question banks, allowing students to focus on weak areas and improve their performance.
Study Short Notes: Three Phase Circuits on the App
Students of Electrical Engineering (EE) can study Short Notes: Three Phase Circuits alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Short Notes: Three Phase Circuits,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Short Notes: Three Phase Circuits is prepared as per the latest Electrical Engineering (EE) syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up
within 7 days!
within 7 days!
Takes less than 10 seconds to signup