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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