CONTROLING ELECTRICAL CURRENT: TRANSFORMERS. X-RAY CIRCUIT.

Slides:



Advertisements
Similar presentations
Electrical Machines LSEGG216A 9080V.
Advertisements

Rad Tech 110 Circuits.
Chapter 5 Electrostatics
Transformers Noadswood Science, 2011.
SELF INDUCTION DURING AC FLOW, MAGNETIC FIELD IS NOT CONSTANT. AN OPPOSING ACTION WITHIN THE COIL IS PRODUCED.
An Electronic Device, and also a Action Hero…
Transformers and Coupled Circuits
Electrical Machines and Energy Conversion
Transformers.
X-ray Generators and Transformers
Noadswood Science,  To understand how step-up and step-down transformers work Monday, August 10, 2015.
Transformers Test Friday 3/30/12. Electromagnetic Induction Induction is the process of producing (inducing) a voltage by passing a wire through a magnetic.
TRANSFORMERS?. Effects of electric current An electric current that flows in a conductor has a number of effects: 1. HEATING The friction caused by the.
Example 1 A 9375 kVA, 13,800 kV, 60 Hz, two pole, Y-connected synchronous generator is delivering rated current at rated voltage and unity PF. Find the.
CHAPTER 6: TRANSFORMER BAKISS HIYANA ABU BAKAR
Basic Electronics Ninth Edition Basic Electronics Ninth Edition ©2002 The McGraw-Hill Companies Grob Schultz.
Unit 27 Transformers. Objectives –After completing this chapter, the student should be able to: Describe how a transformer operates. Explain how transformers.
BENE 1113 PRINCIPLES OF ELECTRICAL AND ELECTRONICS
1 Things to know (a)deduce from Faraday’s experiments on electromagnetic induction or other appropriate experiments: (i) that a changing magnetic field.
Electricity and Magnetism 29 Alternating Currents and Power Transmission Chapter 29 Alternating Currents and Power Transmission.
Power System Fundamentals EE 317 Power System Fundamentals Lecture 6 Lecture 6 06 October 2010.
Rad Physics Prof. Stelmark
Rad T 110 Electromagnetic Radiation. The Wave Equation Velocity = frequency x wavelength –Remember, photons all travel at the speed of light, 186,000.
Transformers A transformer is a device that transfers electrical energy from one circuit to another through inductively coupled electrical conductors.
V s N s V p N p = 1. What is mutual induction, how does it work? 2. What is self induction, how does it work? 3. What is the significance of the turns.
Production and Control of High Voltage
Inductance and Inductive Reactance Inductance - the characteristic of an electrical ckt that oppose any change in current Symbol is “L” measured in a Henry.
Electromagnetic induction When magnet field lines are broken, current flows in the conductor. (2 ways to cut) (Magnet with a coil breaking the fields induces.
Modeling of Power Transformers A Static Device. Transformers The transformer enables us to utilize different voltage levels across the system for the.
EKT 451 CHAPTER 1 TRANSFORMER SHAIFUL NIZAM MOHYAR
Transformers.
Transformer Transformer is used to increase or decrease AC Voltage (potential difference). Transformer is consisted of a soft iron core, a primary coil,
Chapter 2 Transformers Edit by Chi-Shan Yu Electric Machinery.
Transformers A transformer is a device for increasing or decreasing
Electromagnetic Induction. Motion of a magnet in a coil or loop creates (induces) voltage If coil is connected to complete circuit, current flows Relative.
Transformers They’re more than meets the eye. A transformer is made of 2 coils, near each other but not touching. Many times one is inside the other,
Mutual Inductance As in a transformer, changing the current in the primary coil causes an induced voltage in the secondary coil i.e. mutual induction has.
22.3 Inductance pp Mr. Richter. Agenda  Warm Up  Notes:  Mutual Inductance  Transformers.
1 ELECTRICAL TECHNOLOGY EET 103/4 Define and analyze the principle of transformer, its parameters and structure. Describe and analyze Ideal transformer,
1 ELECTRICAL TECHNOLOGY EET 103/4 Define and analyze the principle of transformer, its parameters and structure. Describe and analyze Ideal transformer,
Transformer The working principle of a transformer
Practice Problems A horizontal wire is moving vertically upwards in a horizontal magnetic field of strength tesla which is perpendicular to the.
SMJE 2103 Electrical Power System
SMJE 2103 Electrical Power System 3- Ph Power Apparatus.
1 ELECTRIC CIRCUITS F U N D A M E N T A L S O F CHARLES K. ALEXANDER MATTHEW N.O. SADIKU McGraw-Hill © The McGraw-Hill Companies, Inc. Fig Mutual.
Parul Institute Of Technology Name Of Subject:-Electrical Machines Name Of Faculty:-(1) Suresh Sahoo (2) Yogendra Tiwari E&C 3 rd Sem. Prepaid By :- Sr.No.NameEnrolment.
Chapter 13 Ideal Transformers
Circuit element Average Power ReactancePhase of currentVoltage amplitude Resistor R Current is in phase with the voltage Capacitor C Current leads voltage.
AQA Physics Magnetic Fields Section 7 Transformers.
Construction and working of TRANSFORMERs
{ PRESENTATION ON TRANSFORMER. 1. INTRODUCTION: - TRANSFORMER : A static device- Utilized for raising or lowering the voltages. Transfers electrical energy.
By Akhtar Razali FKM Electric and Electronic Technology Chapter 4A – Magnetic Field and Transformer by Akhtar Razali FKM
Electromagnetism Notes-3
Transformer Professor Mohamed A. El-Sharkawi
Lesson 8: Ideal Transformer Theory and Operation
Electromagnetism Notes-3
MARK LEAKEY KOK WAI, WONG WAN HAZLIN ZAINI
Transformers.
LOSSES IN DC MACHINE PREPARED BY Mukesh pal
Transformers.
Transformer -Types & Applications
TRANSFORMER JITANSHU SINGH 15/ICE/25.
Single Phase Transformers ELE 2103 Electrical Machinery1
Magnetism 1.
TRANSFORMERS.
Electromagnetic induction
Transformers.
Electrical Machines (EELE 3351)
Unit-1 Transformer.
Presentation transcript:

CONTROLING ELECTRICAL CURRENT: TRANSFORMERS

X-RAY CIRCUIT

TRANSFORMERS

MUTUAL INDUCTION TRANSFORMERS

MUTUAL INDUCTION

TYPES OF TRANSFORMERS: AIR CORE OPEN CORE CLOSED CORE SHELL TYPE

AIR CORE TRANSFORMER

OPEN CORE TRANSFORMER

CLOSED CORE TRANSFORMER

SHELL TRANSFORMER

TRANSFORMERS STEP-UP---- V I STEP-DOWN---V I

STEP-DOWN

STEP-UP

TRANSFORMER LAW

TRANSFORMER LOSSES COPPER LOSS ( I 2 R) HYSTERESIS LOSS EDDY CURRENT LOSS

REDUCING COPPER LOSS HIGH VOLTAGE

REDUCING HEAT IN TRANSFORMER

HYSTERESIS LOSS MAGNETIC LAG MINIMIZED BY USING SILICON IRON

EDDY CURRENT LOSS

EDDY CURRENTS

AUTOTRANSFORMER SELF-INDUCTION

POLE TRANSFORMER

AUTOTRANSFORMER ( VARIAC) KVP SELECTOR

AUTOTRANSFORMER PRIMARY OF STEP-UP

AUTOTRANSFORMER (UP)

AUTOTRANSFORMER (DOWN)

3 PHASE TRANSFORMER

TRANSFORMER LAW Vs = Ns Vp Np

% EFFICIENCY OF THE TRANSFORMER %EFFICIENCY = P out. / P inp. x 100%

THE EXPERIENCE OF LIFE ITSELF IS THE REAL TEST……….FOR ANY …..PROFESSION. W.K. RONTGEN