  D   KL Office : No.9-1 & 9-2, Jalan Puteri 5/20, Bandar Puteri, 47100 Puchong, Selangor MALAYSIA Tel : +603-80601222, +603-8061112, +80601100.

Slides:



Advertisements
Similar presentations
CE ELECTRICAL PRINCIPLES STEADY STATE ANALYSIS OF SINGLE PHASE CIRCUITS UNDER SINUSOIDAL EXCITATION 1 Steady State response of Pure R,L and C &
Advertisements

UNDERGROUND CABLES.
Currents 11/19/08.
DC electronics. Resistance Because electrons have mass and are held in place by polarity “bonds” – energy is consumed to dislodge electrons Resistance.
Electrical Power & Machines “Electrical Engineering Dept” Prepared By: Dr. Sahar Abd El Moneim Moussa 1.
1 Capacitance and Dielectrics Chapter 27 Physics chapter 27.
6077SA NUE Phase Induction Motor Characteristics Interpret information from torque/slip curves of AC induction motors List the operating characteristics.
Chapter 17: Introduction to Electricity Review. a)law of electric charges (like charges repel and opposite charges attract) b)electric force (the force.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley Chapter 36. AC Circuits Today, a “grid” of AC electrical distribution systems.
University of Pennsylvania Basic Electronics Things to be covered: What is electricity Voltage, Current, Resistance Ohm’s Law Capacitors, Inductors Semiconductors.
EET Electronics Survey Chapter 9 - Circuit Conductors & Wire Sizes.
Transformers.
Electrical Installation II
Lecture 2 Most basic facts from Electricity needed for understanding telecommunications Local transmission lines in the telephone system Decibels Signals.
Inductance and AC Circuits. Mutual Inductance Self-Inductance Energy Stored in a Magnetic Field LR Circuits LC Circuits and Electromagnetic Oscillations.
Instrumentation Dr. Xiaofeng Wu 1 1.
MINIMUM ACCEPTABLE LEVELS OF SAFETY & RELIABILITY
TTS 171 : PART 1: 2002 ANNEX E PRESENTER WINSTON THOMAS ELECTRICALINSPECTOR 1 ELECTRICAL INSPECTOR 1.
Levels of high voltage: World over the levels are classified as: LOW MEDIUM HIGH EXTRA and ULTRA HIGH Voltages However, the exact magnitude of these levels.
Electrical Resistance and Ohm’s Law Electric circuits are used to convert electrical energy into some other form of energy we need.
Frankfurt (Germany), 6-9 June 2011 Luciano Martini – IT – RIF S1 – Paper 0339 Development and Testing of Innovative Fault Current Limiters for Distribution.
Understanding Electricity
12 Transmission Lines.
Alternating Current Circuits. Resistance Capacitive Reactance, X C.
Current Current: the rate of motion per unit of time.
AN ENGINEERING SELECTION FOR SIZE OF LONG CONDUCTORS CONSIDERING FACTORS IN ADDITION TO NEC Marcus O. Durham THEWAY Corp / U of Tulsa Robert A. Durham.
Electrical Engineering CHAPTER 14. Electrical Engineering (404)  Electricity is all around us. It runs our homes, offices and schools.  Designing and.
EXAMPLE 27.1: A copper wire carries a current of 10 A. It has a cross- sectional area of 0.05 cm 2. Estimate the drift velocity of the electrons.
Chapter-23 Alternating Current Circuits. AC Circuits All the equipment in this operating room use alternating current circuits.
Inductance and Inductive Reactance Inductance - the characteristic of an electrical ckt that oppose any change in current Symbol is “L” measured in a Henry.
University of Pennsylvania Basic Electronics Things to be covered: What is electricity Voltage, Current, Resistance Ohm’s Law Capacitors, Inductors Semiconductors.
Assumption University Thailand EE4503 Electrical Systems Design Short-circuit Current 1.
Alternating Current Circuits. AC Sources  : angular frequency of AC voltage  V max : the maximum output voltage of AC source.
Electricity and Magnetism. Electric charge A basic property of the tiny particles that make up matter.
Instrumental Analysis AC Circuits. Alternating Currents I.
Chapter9 Theory and Applications of Transmission Lines.
1 Transmission of Electrical Energy Electrical energy is carries by conductors such as overhead transmission lines and underground cables. The conductors.
Electrical Power System SMJE 2103 Electrical Power Delivery System.
Electricity & Magnetism Static, Currents, Circuits Magnetic Fields & Electro Magnets Motors & Generators.
Capacitors and Dielectrics And you. Recall that: In an electric field, as a point charge moves, the amount of EPE changes. We define the change in EPE/charge.
Electrical Power System
E Control Devices have a wide range of Latching Relays. The range of latching includes Relays, 16 Amp Latching Relays, 30Amp Latching Relays, 80 Amp Latching.
Capacitors A capacitor is a device that has the ability “capacity” to store electric charge and energy.
Chapter 14 Resistive AC Circuits.
Chapter 25 Capacitance In this chapter we will cover the following topics: -Capacitance C of a system of two isolated conductors.
Chapter 25 Capacitance In this chapter we will cover the following topics: -Capacitance C of a system of two isolated conductors.
CHAPTER 6 SPECIAL TRANSFORMERS Electrical Machines.
Electric Current, Resistance, and Voltage
Power Semiconductor Systems I
ECE 3301 General Electrical Engineering
EE 483 Power System 1 Lecture 5: Chapter 4 T.L. Resistance and Inductance.
Physics 121 Lecture Summaries
Resistance in Circuits
ANNEX E PRESENTER WINSTON THOMAS
Engineering Project Cable Management.
Resistivity and Resistance
Exercise 10 Power systems.
Electrical Stopping Power Electrical Resistance
What is Electricity?.
ELECTRICAL CALCULATOR
Chapter 9: Current and resistance
Electric Current and Electrical Energy
9. Inductance M is a geometrical factor! L is a geometrical factor!
Announcement Next class: 10 min Quiz Material: Book Chapter 10
Power Semiconductor Systems I
CHAPTER – 41 A.C. TRANSMISSION AND DISTRIBUTION
Conductors and Insulators (1:46)
Aim: How do we explain resistance?
ประกาศกระทรวงอุตสาหกรรม ฉบับที่ 5292 (พ.ศ. 2562)
Presentation transcript:

  D   KL Office : No.9-1 & 9-2, Jalan Puteri 5/20, Bandar Puteri, Puchong, Selangor MALAYSIA Tel : , , Fax : Website : Head Office & Factory : Lot 42, Jalan Merbau Pulas, Kawasan Perindustrian Kuala Ketil, Kuala Ketil, Baling, Kedah MALAYSIA Tel : Fax : Website : ISO9001 : 2000 Reg. No. : AR1757 V I Z

Nom. Cross Sectional Area for Cu. Cu. Conductor Current Rating Voltage Drop Cu. Conductor Voltage Drop Al. Conductor Equivalent Current Rating of Al. Conductor Nom. Cross Sectional Area for Al. mm 2 (A)mV/A/m (A)mm The continuos current carrying capacities are based on the following condition : a) Ambient temperature 30oC b) Maximum continuos loading temperature of conductor 70oC c) Clipped direct 3 or 4 cable, 3 phase a.c Cu and Al Equivalent Size Comparison

Nom. Cross Sectional Area for Cu. Cu. Conductor Current Rating Voltage Drop Cu. Conductor Voltage Drop Al. Conductor Equivalent Current Rating of Al. Conductor Nom. Cross Sectional Area for Al. mm 2 (A)mV/A/m (A)mm Cu and Al Equivalent Size Comparison CU/XLPE/SWA/PVC/AL/XLPE/SCT/PE The continuos current carrying capacities are based on the following condition : a) Ambient temperature 30oC b) Maximum continuos loading temperature of conductor 70oC c) Clipped direct 3 or 4 cable, 3 phase a.c

Cu and Al Equivalent Size Comparison XLPE/PVC The continuos current carrying capacities are based on the following condition : a) Ambient temperature 30 deg.C b) Maximum continuos loading temperature of conductor 90 deg.C c) Clipped direct 3 or 4 cable, 3 phase a.c Nom. Cross Sectional Area for Cu. Cu. Conductor Current Rating Voltage Drop Cu. Conductor Voltage Drop Al. Conductor Equivalent Current Rating of Al. Conductor Nom. Cross Sectional Area for Al. mm 2 (A)mV/A/m (A)mm

Allowable Short Circuit Current for PVC Insulated Copper Cables

Short Circuit Current Rating for XLPE Insulated Copper Cables

Short Circuit Current Rating for XLPE Insulated Aluminum Cables

DC RESISTANCE AC RESISTANCE INDUCTANCE CAPACITANCE

REACTANCE IMPEDANCE SHORT-CIRCUIT CURRENT ELECTRICAL FIELD STRENGTH

CHARGING CURRENT DIELECTRIC LOSS SHEATH LOSS INSULATION RESISTANCE

MAXIMUM PULLING TENSION CABLE LENGTH IN DRUM