- ▼ 2017 (37)
- ▼ November (15)
- Silicon Controlled Rectifiers - An Overview
- Gate Triggering methods SCRs
- Natural and Forced Commutation in SCRs
- Methods of turning on an SCR
- Advantages and disadvantages of grounding the neutral
- Generator Neutral Breaker
- Pre Insertion Resistors in Circuit Breakers
- Capacitance Switching of Equipment
- Resistor switching of an SCR
- Transient Stability Analysis
- Fault Analysis
- Load Flow Analysis
- Components and Structure of a Power System
- Power System Analysis
- Power Balance Equation
- ▼ November (15)
- ▼ 2016 (40)
- ▼ November (11)
- What is a Rheostat ?
- Reduction in Transformer Capacity due to Aging of ...
- What is Aero Ferric inductance?
- Absorbent Glass Mat in Batteries
- Active Material of a Battery
- Speed of a CPU
- Duty Cycle of a Microprocessor
- Clock Generator in a Microprocessor
- What is the function of a clock in a Microprocessor
- Absolute Unit of Current
- What is ElectroAdhesion
- ▼ October (14)
- What are Bidirectional transducers?
- What is an inverse transducer ?
- Electronic Fuel Injection
- Damper Pistons - An Overview
- Brake Linings
- Aquaplaning or Hydroplaning - An Overview
- Anti Skid Brake System
- Fuel Cells in Automobiles
- Headlight Aimers - An Overview
- Automatic Guided Vehicle Systems - An Overview
- Sandpaper - An Overview
- What is an Abrasive Disc?
- What is an Abrasive Cleaner?
- No title
- ▼ February (13)
- Ignition Circuit
- Independent Parking Brake vs Integral Parking Brake
- Indicator Lamps in the dashboard of Vehicles
- Indicator Lamps in Vehicles
- Live Axle in Vehicles
- Automatic guided vehicle system
- Automatic guided vehicle system
- SandPaper
- SandPaper
- What is an Abrasive Disc?
- What is an Abrasive Disc?
- What is an Abrasive Cleaner?
- What is an Abrasive Cleaner?
- ▼ November (11)
- ▼ 2015 (262)
- ▼ December (10)
- What is Newton's Law of Viscosity ?
- What is a Newtonian Liquid
- What do we mean by priming the pump ?
- What is the Volumetric Efficiency of a Pump ?
- What is the function of the Volute in a discharge ...
- What is WaterJet Cutting ?
- Galling in Materials
- Wear Resistant Coating
- Wear Resistance in Materials
- What are the losses in a pump ?
- ▼ October (23)
- Joints in Optical Cables
- Optical Fibre Cleaver
- Optical Fusion Splicers-An Overview
- What is an Optical Time Domain Reflectometer ?
- What is the Q factor of an inductor ?
- Molded Chokes-An Overview
- What is a Choke ?
- Comparison of Optical Fibres and Metallic Wires
- Terminating Resistors-An Overview
- What is a Band Stop Filter?
- What is a Band Pass Filter?
- What is a High Pass Filter ?
- What are Low Pass Filters ?
- Air Termination Rods
- Bonded Connections-An Overview
- Voltage Limiting Devices for Electric Traction
- Recurrent Surge Oscillation Test
- Half Wave Rectifier
- Full Wave Rectifier with Centre Tapped Transformer
- Controlled Rectifiers
- Bridge Rectifiers - An Overview
- Class B Chopper
- How are Choppers Classified
- ▼ July (59)
- What is a Synchronous Phase Modifier
- Comparison of Series and Shunt Capacitors
- What is percentage compensation in Transmission Lines
- 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 ratio 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 comparison
- 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 Materials
- 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 (50)
- 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 Motors
- 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
- ▼ May (53)
- What is the efficiency of the Electric Motor ?
- How are ceramic fuses different from glass fuses ?
- Glass Fuses
- HRC Fuses-An Overview
- Hermetically Sealed Transformers
- Natural Ester Oils for Transformer Cooling
- Silicone Coolant in Transformers
- Capacitor Duty Contactor-An Overview
- Resource Page-Capacitors
- 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 (13)
- 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
- Tertiary Winding
- BookStore
- Professional Societies and Associations - Electric...
- ▼ February (32)
- What is a DC link Capacitor ?
- What is the difference between AC and DC capacitors ?
- 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...
- No title
- 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
- Field Effect Transistor
- 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
- ▼ December (10)
- ▼ 2014 (122)
- ▼ 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...
- ▼ September (35)
- 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 ...
- High Voltage UPS (Uninteruptible Power Supply)
- Resistance split phase motor
- Permanent Split Phase motor
- 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 ?
- ▼ July (29)
- Snubber Circuits
- 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...
- How is the number of poles in a DC machine decided ?
- 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 ?
- ▼ January (15)
- Power Line Markers
- Corona Rings
- What are the disadvantages and advantages of corona ?
- 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
- ▼ December (7)
- ▼ 2012 (66)
- ▼ May (9)
- 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
- Excellent Animation Showing the different componen...
- Animation of a Circuit Breaker
- ▼ April (16)
- Surface Charge in batteries
- Sulfation in batteries
- Single Phase Pole Mounted Distribution Transformers
- 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 ?
- Function Principle of the OLTC
- Tan Delta / Power Factor Testing - Video
- Micro USB Charging
- Video - Electric Motor Assembly
- Class of Power Supplies in Nuclear Power Stations
- Type Testing of panels
- Load Banks
- ▼ March (11)
- Cathodic Protection
- Manufacturing Power Transformers
- Distilled water in batteries
- APC UPS Systems - A Guest Post
- Stuck breaker protection
- Voltage Supervision Relays
- Trip Circuit Supervision in Circuit Breakers
- What is the difference between sine wave and non-s...
- What are Trip Free and non-Trip Free Circuit Breakers
- Conditions for Paralleling two Transformers
- Innovations in DC Technology by ABB
- ▼ May (9)
- ▼ 2011 (84)
- ▼ July (10)
- Equipotential Bonding
- Running Three Phase motors with single Phase supply
- Phase Sequence Relay for motors
- Live Tank circuit breakers and Dead tank circuit b...
- Earthing Switches
- Can a DC coil of a contactor be used with AC or vi...
- Wooden Transmission Poles
- ETAP Software
- Contactors and IEC Classification
- Duty Cycles of Motors
- ▼ March (13)
- Non- Contact High Voltage Detector
- Harmonic Mitigating Transformers
- The Circular Mil
- Testing Electrical Protection Gloves
- Ultra Isolation Transformers
- Control Transformers
- Lighting Transformer
- Frameless Motors
- Vibration Motors
- Wound Primary Current Transformers
- Resistors and Power Rating
- Wear in Brushes and Replacement
- Flash Over - Effects, Causes and Prevention
- ▼ February (17)
- Rubber Insulation Mats
- Electrical Gloves
- Common Reasons for Contactor Failure
- Hot Sticks
- Vibration in Overhead conductors
- Bundled Conductors in Tranmission Lines
- Shielding in High voltage lines
- Transient Surge Voltage Suppressors
- Shackle Insulators
- Neodymium Magnets
- Ampere Hours and Battery Capacity
- Current Transformers with mA output.
- Air Core and Iron Core Current Transformers
- Leakage Transformers
- Toroidal Transformers
- Ferrite Core for High Frequency Transformer
- Brushes in Electric Machines
- ▼ July (10)
- ▼ 2010 (87)
- ▼ November (9)
- Hydrogen Cooling in Generators
- Amortisseur Windings
- Gas formation in Transformers
- Thermal Protection in Motors
- Stalling in Induction Motors, its effects and prev...
- Advantages of Three Phase Power over single Phase ...
- Winding resistance Measurement
- Cooling of Alternators
- Making and Breaking Capacity of a circuit breaker
- ▼ October (10)
- Gang Operated Switches
- Non-directional Earth fault Protection using Resid...
- Isolation Transformers
- Construction of a Transformer
- Sensitive Earth Fault Protection
- Bushings - An Overview
- Bending Radius of Cables
- Coefficient of coupling in a transformer
- Turns Ratio and Voltage Ratio of Transformers, Are...
- Video of the Week - The Induction Motor
- ▼ September (19)
- News from the Field : Smart grids play key role in...
- High Voltage Probes - an Introduction
- Liquid Rheostats - an Introduction
- Polarity in Capacitors
- What are the advantages of wound rotor over a squi...
- What are the advantages of wound rotor over a squi...
- Surge Arrestors - An Introduction
- What are the causes for the failure of capacitors?
- What are Parasitic Loads?
- Understanding True Power factor and Displacement p...
- Solar Cells for Windows - New from the Field
- ABB transformers to support China’s highest voltag...
- Product Review : Slip Over Current Transformers fr...
- Basic Impulse Insulation Levels (BIL)
- LED lighting - an Introduction
- Negative Phase sequence in Induction motors
- Biography - Georg Simon Ohm
- Capacitors and Power Factor Correction
- What is Extra Low Voltage?
- ▼ August (9)
- Reactive Load and Power factor
- Part 2 - Power Factor Improvement and Why it is ...
- Understanding Power Factor - Part 1
- Battery Explosions - Causes and Prevention
- Rotor Voltage Drop Test
- Formation of Bulges in Batteries
- What is meant by a Di-electric Absorption Test
- Magnetic Balance Test on Transformers
- Rotor Earth Fault Relay
- ▼ January (13)
- Neutral Inversion in Ungrounded Three phase systems
- Overvoltage - Causes and Protection
- Thermography in Sub-stations
- Calculating the percentage impedance of a Transformer
- Open Delta Connection of PTs
- Float and Boost Charging of Batteries
- Single Phasing - its causes and effects
- Peukert's Law and discharge of lead acid batteries
- Adding water to the electrolyte level of unsealed ...
- Specific Gravity Measurement in Batteries
- Back FlashOvers - An Introduction
- U.S. says wind could power 20 percent of eastern grid
- Multimeter with Wireless PC interface
- ▼ November (9)
- ▼ 2009 (108)
- ▼ December (13)
- Low Resistance Grounding
- Earthing in Three Phase Systems Part II
- Earthing in Three Phase Systems Part I
- What are the disadvantages of solidly grounded sys...
- Protective Relaying in Resistance Grounded systems...
- Grounding Resistances - An Introduction
- Shaft Currents in Motors and Generators
- Flame Proof Motors
- Can Single Phase motors be reversed by changing th...
- Why are Power Cables Shielded?
- The Energy Star Classification
- What are Zero Watt Bulbs ?
- Triplen Harmonics - An Overview
- ▼ November (9)
- All Day Efficiency of a Distribution Transformer
- Ferrite beads and their applications
- The Magnetic Center in Electric Machines.
- What are the advantages of a three phase system ov...
- What does the meaning of the term "Ampere Turns" a...
- Can Permanent magnets lose their magnetism
- How are Permanent Magnets made?
- Schuko Plugs and Sockets
- What is the function of the Conservator in a Trans...
- ▼ October (11)
- Proximity Effect
- Noise in Transformers
- Substation, An introduction and types
- Solutions for Noise and Vibration in Transformers
- Checking Lightning Arrestors
- What are Surge Capacitors?
- What are Bleeder Resistors in Capacitors
- What are the reasons for Bulging in Capacitors?
- Transformer Classification based on the Cooling Me...
- Comparison of Dry Type Transformers and Oil Filled...
- Ampacity - an introduction
- ▼ September (15)
- Overfluxing in Transformers
- What are opto-coupler relays?
- Zero-Switching of Transformers
- What is the difference between AC and DC relays?
- AutoTransformers
- Scopemeters - An Overview
- What is the difference between a Variac, variable ...
- Freewheeling or Fly back diodes and their function
- How does a dc clampmeter work?
- What is a Rogowski Coil?
- What is the difference between Salient and Non-Sal...
- Corona and its Effects
- Partial Discharge
- Flash-Overs
- Offshore Wind Farms to Power 17% of Europe’s Elect...
- ▼ July (13)
- Trefoil Formation for Arranging Cables
- XLPE Insulation for Cables
- ACSR Conductors in Power Transmission
- Losses in a Transformer
- Types of DC Motors
- Voltage dependent overcurrent protection
- Power Quality Problems
- Transients - An Overview
- Reclosers - An Introduction
- Classification of Relays
- Skin Effect
- What will be the impact of undervoltage and overvo...
- Power Transformers - Introduction
- ▼ June (14)
- Reverse Power Relay - Function and Operation
- Measuring Contact Resistance in Circuit Breaker Co...
- Forward Synchronization and Reverse Synchronization
- Instruments used for Synchronization
- Synchronization of AC power sources
- Insulation Classes and Limits
- Harmonics Resonance
- Class X Current Transformers
- The Difference between Current and Voltage Harmonics
- Brownouts, Blackouts and Dropouts
- The Synchroscope
- Transformer Oil Deterioration
- What is an anti-pumping relay?
- Product Review: DSO1000A series oscilloscopes fro...
- ▼ April (9)
- Checking the Polarity of Current Transformers
- Reverse Power Relay
- The Vector Surge Relay
- The DIN Rail
- Can batteries of different A.h (ampere hour) ratin...
- Hackers pose risk to U.S power grid
- The International Electrotechnical Commision
- Product Review - MY40 Insulation Tester from Yokogawa
- Earthed and Unearthed Power Cables
- ▼ December (13)