2015-07-24

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2015 (218)

?  July (60)

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What is a Synchronous Phase Modifier

Comparison of Series and Shunt Capacitors

What is percentage compensation in Transmission Li...

Submarine Power Cables

Gas Filled Cables

Properties of High Voltage Dielectrics

Impregnated Cables

Dust in Electrical Equipment

Tracking in Electrical Insulation

Aging of Electrical Insulation

V/Hz In Electric Machines

Constant Torque Operation in Motors

Derating in Motors

Locked Rotor Amperage (LRA) in Motors

Totally Enclosed Fan Cooled (TEFC) Motors

Open Drip Proof (ODP) Motors

Common Terms in Insulator Design

AC Servomotors and DC servomotors-A comparison

Creepage and Clearance in Electrical Equipment

Altitude and Electrical Equipment

Solid State Auxiliary Relays and Electromechanical...

Reduced Voltage Starting in Motors

Oil Directed Air Forced Cooling- (ODAF)

Oil Forced Water Forced (OFWF) Cooling of Transfo...

Transformer Temperature Rise Ratings

What are asynchronous Motors ?

Induction Motors vs Synchronous Motors-A compariso...

Comparison of Open Loop and Closed Loop Control Sy...

Requirements of a Good Control System

Types of Control Systems

VA Burden in Protection Relaying

Electric Furnace Sequencers-An Overview

How do microwave ovens work ?

Incoloy Sheathed Electric Heaters

Industrial Electric Ovens-An Overview

What are Rotating Diodes ?

Parts of a Synchronous Machine

Advantages and Disadvantages of Electro-Mechanical...

Common Terms in Relay Protection

Types of Relays

Ferromagnetic, Paramagnetic and Diamagnetic Materi...

Reluctance Motor-An Overview

Applications of Synchronous Motors

Solo, Island and Grid Parallel Mode in Synchronous...

Hunting in Synchronous Generators

Methods of Starting Synchronous Motors

Synchronous Condenser -An Overview

Self-Excited Induction Generators

Capacitor Boosters

Furnace Transformers

Cable deterioration due to Oil

Flexible Industrial Cables-An overview

Submersible Wires-An Overview

Stripping Conductors- An Overview

Crimping in Wires and Conductors

Calibration of Pressure Sensors

What is Enamelled Copper ? Where is it used ?

Aging in Transformers

Generator Step Up Transformers-An Overview

?  June (51)

Electromagnetic Interference-Classification

Faraday Cages

Electromagnetic Interference (EMI)

High Temperature Pressure Sensors-An Overview

Aneroid Barometer

Barometers -An Overview

What is the unit of Vacuum ?

What is an Altimeter ?

What is the difference between absolute pressure a...

U tube Manometer - Pressure Measurement

The Units of Pressure

Differential Pressure Measurement

Eye Bolts in Motors-An Overview

Foundation Bolts in Machines

Shunt in Galvanometer

What is Reluctance in a magnetic circuit ?

Electromagnetic Torque, Synchronous Torque and Rel...

Jewel Bearings

Phosphor Bronze-An overview

What is a Galvanometer ? How does it work ?

What is a Mirror Galvanometer ?

What is a Pyrometer ?

What are Temperature Baths ? Where are they Used ?...

Loop Resistance in Current Signal Circuits

Humidity Sensors-An Overview

Temperature Switches

Thermostats-An Overview

Gas Filled Temperature Gauges

What are the types of bearings used in Motors ?

Soft foot in Electrical equipment

Vertically Mounted Motors

Grease in Electric Motors

Infrared Thermometer

Noise in Electric Motors

Bimetal Thermometer-An Overview

Thermo Electric Generator

Thermowells for sensors and instruments

Why are gauge type instruments filled with glyceri...

Heat Conducting Paste for Temperature Sensors and ...

Heat Sinks in Electronics-An Overview

Thermal Paste in Electronics-An Overview

Thermal Pads for CPU cooling

Winding and Bearing Temperature measurement in Mot...

What are the advantages and disadvantages of the i...

Harmonic Torques in the Induction Motor

Cogging in induction motors

Induction Motor rotor-Construction

Peripheral Speed in Electric machines

Windage Losses in Electric Machines

Power Flow in an induction motor

Braking methods in Induction motors

?  May (60)

What is the efficiency of the Electric Motor ?

How are ceramic fuses different from glass fuses ?...

Glass Fuses

HRC Fuses-An Overview

Fuses-Resource Page

Alternators-Resource Page

Transformers-Resource Page

Resource Page - Earthing

Hermetically Sealed Transformers

Natural Ester Oils for Transformer Cooling

Silicone Coolant in Transformers

Capacitor Duty Contactor-An Overview

Resource Page- Motors

Resource Page-Cables

Resource Page-Capacitors

Resource Page - Batteries

What are Low Smoke and Zero Halogen Cables ?

What are the differences between Solid Conductors ...

Converter Transformers- An Overview

Automotive Cables-An Overview

Instrumentation Cables-An Overview

Solar Cables-An Overview

Heat Resistant Cables - An Overview

Transformer Oil Regeneration

What is the significance of Acidity in Transformer...

What are the effects of sludge in Transformer Oil ...

Medical Isolation Transformers

Traction Transformers-An Overview

Unbalanced Loading on Generators

Zero Sequence Current in the Generator

Parasitic Drain in Car Batteries

Mixing AC and DC supplies in a circuit

Battery Testers - An Overview

Self Discharge in Batteries

Automotive Fuses

Specific Power in a battery

Energy Density in a Battery

What is the lifetime of a Rechargeable Battery ?

What will happen if someone connects the current t...

Memory Loss in Batteries

Rotten Egg Smell from Lead Acid Batteries

How is the number of poles in a DC machine chosen ...

What are Cold Cranking Amps in a Battery ?

Button Cells-An Overview

Thermal Runaway in Batteries

What are VRLA batteries ?

Deep Bar Rotors in Induction Motors

Desulfation in batteries

Recycling Lead Acid Batteries

International Color Code for Thermocouples

Inrush Current in a Transformer

Optical Current Transformers

High Current Transformers

Split Core Current Transformers

Double Squirrel Cage Motors

Variable Frequency Drives

What is a Thermopile

Applications of Squirrel Cage Motors

Solar Loading in Temperature sensors

Fine Wire Thermocouples-An Overview

?  March (11)

Avalanche Breakdown

EEPROM

Spark Plug

Flash EEPROM

Heat Soak Test in Electronics

Impact of Heat on Electronic Components

Peak Inverse Voltage

Why are Electronic Devices painted Black ?

Peltier Cooling Plates

Ignition Coil - An Overview

Professional Societies and Associations - Electric...

?  February (30)

What is a DC link Capacitor ?

What is the difference between AC and DC capacitor...

Static and Dynamic Resistance

Drying of Electrolytic Capacitors

Equivalent Series Inductance

Varactor Diode

What are Signal Diodes ? How are they different fr...

Ceramic Capacitors

Negative Resistance

What is a DC link ?

Capacitance Drift in Capacitors

Double Layer Capacitors

Self-Healing in Capacitors

What are frequency transducers ? Where are they us...

What are X and Y capacitors ?

What is Prospective Short Circuit Current ?

Direct Online Starter

Star-Delta Starter - An Overview

Arc Suit - An Overview

Coupling Capacitor

What is Thermionic Emission ?

Earthing in Aircraft

What is meant by "live zero" and "dead zero" in se...

Pressure Relief Vent in Electrolytic Capacitors

What are intrinsic and extrinsic semiconductors ?

Arduino - An Overview

Why are Current Signals preferred over voltage Sig...

What is Power Conditioning ?

Doping in Semi-Conductors

PNP and NPN transistors

?  January (6)

Laser Diode - An Overview

Leak Off Current in Transistors

Causes of Transistor Failure

Transistor - An Overview

Mu Metal - An Overview

Types of Single phase motors.

2014 (117)

?  December (7)

Why should the dc series motor never be run withou...

Comparison of Single Phase vs Three Phase Motors

What is the permisible amount of current which can...

Semi Conductor Fuse - an overview

What is Arc Blow in Welding

What is meant by Stacking Factor of the Core in El...

Why is the LV winding of the Transformer placed ne...

?  October (4)

ROHS Compliance

Transient Voltage Supression Diode

Gallium Arsenide - Semiconductor, An Overview

Panasonic Launches new Pin Sized Battery

?  September (33)

What is cogeneration

What is a Captive Power Plant ?

The Alternator in a Car

What is an Anti Fuse ? Where is it used

Series Capacitors in Transmission Lines

What is Power Wheeling ?

What is a Time of Day Energy Meter ?

What is a Power Purchase Agreement ?

Independent Power Producers (IPP)

What is a TRIAC ?

Light Dimmer

What is a Shunt and where is it used ?

Engine Starter in Automobiles

Comparison of Single and Three Phase Motors

Ferranti Effect - An Overview

What is meant by spinning reserve and non-spinning...

What is Leakance ?

The TriboElectric series

Methods of speed control in single phase motors

Why is the single phase motor not self starting ?

Brush Holders

NEMA Motor Ratings

Speed Torque Curve of an induction motor

What happens when an induction motor is run above ...

NEMA - An Overview

What is the relation between peak voltage and rms ...

Ground Enhancement Materials - An Overview

What is ionized air? What are its uses ?

How is Mesh Protection for lightning done ?

Electrostatic Control and Humidity

Static Electricity in Aircrafts

What is an Electret ?

What is Regenerative Braking ?

?  August (3)

What is Electrostatic Discharge Protection?

What are the different parts of the the electrical...

Jumper Cables in cars

?  July (27)

Shielding in Instrumentation Cables

What is a Backplane ?

What is a ribbon cable ?

Polarized and Unpolarized Power Sockets

What is the difference between a condenser and a c...

What are polarised and non polarised capacitors

What is Galvanotechnics

What are insulation displaced connectors

What is Conductive Paint ? Where is it used ?

Can Electroplating be done on non-metals ?

What are Magnetic Hydraulic Circuit Breakers ? Ho...

What do we mean by Electronic Overcurrent Protecti...

Thermal Magnetic Trip - An Overview

Air Circuit Breakers - an Overview

What are twisted pair Cables ? Why are they Twist...

Capacitor Protection Relays - An Overview

What are Hot and Black Conductors in Transmission ...

Liquid Cooled Resistors and their application

Where are Aluminium Clad Resistors used ?

What are Variable Shunt Reactors ? Where are they ...

What is a mother board ?

How do Bimetallic Strips and Washers protect again...

What are Camouflage Conductors ?

What is Contact Grease?

What is ElectroRefining

What is a sectionalizer ? Where is it used ?

What is magneto-motive force ?

?  June (12)

Tree Management and Transmission lines

What are Grounding Loops

What is an Electrolyte ?

Printed Circuit Boards

What is a Lithium Ion Battery ? How does it work ?...

What is Hopkinson's Law

What is Inductance ?

What is Arc Welding ?

What are the different parts of a DC machine ?

What is a Prismatic Battery ?

Immersion Heaters - An Overview

What is Arc Welding ?

?  May (5)

Lithium Ion Battery

The Output Equation of a DC machine

What is the speed of Electricity ?

Duty Cycles of Welding Machines

FerroFluids

?  April (8)

Heating Elements - An Overview

Curie Temperature

Space Heaters

Nichrome - An Overview

Temperature Coefficient of Resistance

Constantan - An Overview

BH Curve - A brief description

Manganin Alloy - An Overview

?  March (2)

Grading of Overcurrent Relays

Types of Faults in an Alternator

?  February (1)

The Universal Torque Equation for Protection Relay...

?  January (15)

Power Line Markers

Corona Rings

What are the disadvantages and advantages of coron...

Primary and Secondary Protection Schemes

Functional characteristics of Protection Relays

AC vs DC Coupling

Active Surface of the Magnet

Air Core Coil

Oil Leakages in Transformers

What are Air Capacitors?

Detection of SF6 gas using Thermography

Non inductive Resistors

What is a Rectifier Transformer

Instrument Transformers - Resource Page

Circuit Breakers - Resource Page

?  2013 (36)

?  December (6)

Transformers - Resource Page

How are Surge Arresters Classified.

What are the steps in selecting a suitable Surge A...

Spark Gap Surge arresters

Surges in Overhead lines

Insulated Tools - an Overview

?  October (4)

Dry Type Transformers

Understanding and Preventing Transformer Explosion...

Video - Lewek Connector -- Cable installer for ABB...

AAAC Conductors - An Overview

?  August (1)

Determining the vector group of transformers

?  July (6)

Cable Terminations

Electrical Contact Cleaner

Remotely operated MCBs

Illuminated Switches

The Yoke in a DC machine

PVC Insulation

?  June (9)

Magnet Wires

The Electromagnetic Flow Measuring Principle

Lightning Masts

Crawling in Induction Motors

Potentiometers-an overview

Paper Insulation

Metals in Transformer Oil

The Ferranti Surge Absorber

Solar Pond - An OverView

?  May (1)

Condenser Bushings

?  April (3)

ANSI codes for Protection Functions

Breakdown in Liquids due to the presence of suspen...

Liquid Dielectrics

?  March (1)

Universal Motor - An Overview

?  February (2)

Interpoles

Armature Reaction in DC Machines

?  January (3)

Directory of Electrical Manufacturers

Infrared Emitting Diodes

Gravity Powered Lights

?  2012 (85)

?  December (5)

Why can't we use aluminium or copper vessels on an...

Anti-reflective coating in solar cells

Adding water to Battery Electrolyte

Product Review - Fluke CNX 3000 Wireless Test Tool...

Solar Power - PhotoVoltaic Cells

?  November (2)

df/dt Protection for Generators

Factor of Earthing

?  September (1)

Thermistors - an Overview

?  August (2)

Pressure Transducers

Inductive Proximity Sensors

?  July (26)

Sympathetic Tripping

Videos on Power Transformer Testing

Your Guide to Energy Saving Lighting

Manufacturers of Induction Generators

Manufacturers of Synchronous Generators

Manufacturers of Harmonic Analyzers

Manufacturers of Harmonic Filters

Manufacturers of Oscilloscopes

Manufacturers of Power Analyzers

Manufacturers of Multimeters

Manufacturers of Synchronous Motors

Manufacturers of Single Phase Motors

Manufacturers of DC motors

Manufacturers of Voltage Transformers

Manufacturers of Current Transformers

Manufacturers of Generator Protection Relays

Manufacturers of Transformer Protection Relays

Manufacturers of Instrumentation Cables

Manufacturers of Power Cables

Manufacturers of Circuit Breakers

Manufacturers of Discharge Rods and Operating Rods...

Manufacturers of SwitchGear and Bus Bars

Manufacturers of AutoTransformers

Manufacturers of Isolation Transformers

Capacitor Trip Modules.

Grounding Transformers

?  June (3)

Braking Resistors in Variable Frequency Drives

Resistance Temperature Detectors

Directory Home   Manufacturers of Power Transf...

?  May (8)

4 - 20 mA current signal in Instrumentation

Video on Wind Turbine Construction

Electrical Software List

What do we mean by MTOE

Economy Resistor in DC Coils

Nice Animation of an MV Switchgear Panel

Amorphous Metal Transformers

Animation of a Circuit Breaker

?  April (15)

Surface Charge in batteries

Sulfation in batteries

Single Phase Pole Mounted Distribution Transformer...

Wireless Switches

Distribution Transformers

B, C and D types in Miniature Circuit Breakers

Plante Batteries

Video on the Technology of High Voltage DC Transm...

What is a Trivector Meter ? Where is it used ?

Tan Delta / Power Factor Testing - Video

Micro USB Charging

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