Posts by category
- Category: Automation
- Category: Basics
- Electrical wiring colour codes – Important
- Electric Short Circuit
- Real, Reactive, Complex and Apparent power
- Basics of Alternating current
- Conductance | What is conductance?
- Capacitance| What is a capacitor?
- Inductance | What is an inductor?
- What is Electric Power?
- What is energy?
- What is Resistance?
- Electric Current and Current Flow
- Electric Charge
- Voltage and Electric potential difference
- Difference between neutral and earth
- The direction of electric current
- Category: Circuit Theory
- Steps to convert Thevenin’s circuit to Nortons
- Maximum Power transfer theorem
- Superposition theorem
- Current Division rule
- Norton’s Theorem
- Thevenin’s Theorem -explanation, equivalent circuit & examples
- Kirchhoff’s laws – voltage and current laws – Explained
- Ohm’s Law – Relationship between current and voltage
- Difference between over-current and overload
- Transformer Action
- Difference between Higher potential and lower potential
- Voltage division rule | Potential divider circuit
- Series and Parallel circuits
- What is an Electric Circuit?
- Difference between volts and watts
- What is short circuit?
- Working of Diode rectifiers (Uncontrolled rectifiers)
- What is inductance?
- What is voltage?
- What is resistance?
- Category: Electrical Machines
- An overview of Electric Machines
- Types of electric transformers
- Voltage regulation of transformers
- Transformer – Operation, construction and types
- Transformer – FAQ | Interview Questions -Part 3
- Transformer FAQ | Interview Questions -Part -2
- Why is a transformer rated in KVA?
- Transformer FAQ | Interview Questions- Part -1
- Buchholz relay – Working Principle, Construction and Operation
- What is meant by stalling of motor?
- Types and comparison of induction motor starters
- Which is the most efficient electrical machine?
- Operation of generators
- Category: Equipments
- Relay – Operation, types and applications
- How does a LCD work?
- Metal halide (MH) lamp
- How refrigerators work?
- How does a car Air Conditioner work?
- How does a speaker work?
- How does a scanner work?
- Optical Mouse
- Fluorescent lamps
- How Does an incandescent Bulb Work?
- How do CFL’s work / How are they different from Incandescent Lights?
- Category: Integrated Circuits
- Category: Others
- What is meant by plugging a motor?
- Generate electricity from electricity – Is that possible?
- Why are overhead transmission lines not insulated?
- Difference between utilization categories AC-1 and AC-3
- Top 10 tricks to save on electricity bills
- Calculate the power consumption of AC & Electricity usage
- High Leg delta connection
- Why is electricity transmitted at high voltages?
- Category: Power Electronics and Drives
- Category: Power system
- Difference between single-phase and three-phase power AC supplies
- Difference between Short circuit and overload
- Power Factor – Importance, Calculation and Correction techniques
- What is ammeter selector switch?
- Why the power system is divided into several protections zones?
- Which is the most common fault occuring in the power system?
- What are the different faults occurring in the overhead transmission lines?
- On which part of the power system, the occurrence of failure / abnormal condition is more?
- Comparision of conventional energy resources
- How do Fuel Cells Work?
- Category: Protection and switch gears
- Utilization categories for low voltage switchgear
- Difference between earth leakage relay and earth fault relay
- What is an arc chute?
- Overload relay – Principle of operation, types, connection
- What is an MCB?
- Miniature circuit breaker (MCB) – Principle of operation
- Difference between MCB, MCCB, RCCB, RCBO and Isolator
- Difference between circuit breaker and isolator
- MCB Trip Curves – B, C, D, K and Z trip curves
- Difference between MCB and RCBO
- Sizing of contactor and overload relay for 3 Phase DOL starter
- Contactor – Construction, Operation, Application and Selection
- Difference between MPCB and MCCB
- Difference between RCCB and RCBO
- What is there inside and MCCB?
- Difference between MCCB and RCCB
- Difference between MCB and MCCB
- Difference between contactor and relay
- Why are potential transformers used in power system?
- Why are current transformers used in power system?
- What are the basic requirements of a protection system used in a power network or equipment?
- What are the essential components of a protective relay?
- What are the main functions of a protection relay?
- What is a protection relay?
- How rating of a circuit breaker for a system is determined?
- What is Buchholz relay? Why is it used?
- Category: Q&A
- Difference between fuses and circuit breakers
- Difference between fuse and MCB
- What is kA rating of MCB and MCCB?
- Why is the earth pin in a three-pin plug longer and thicker than the other pins?
- Why ammeter is connected in series?
- What will happen if a DC voltage is applied to a transformer coil?
- What is Comb Busbar?
- Category: Tools
- Power consumption & energy usage calculator for Ceiling fans
- Air conditioner electricity usage cost calculator
- Power consumption & energy usage calculator for electric iron
- Power consumption & Energy usage calculator for LED bulbs
- Voltage regulation calculator online
- Ampere to Kilowatt converter(Amps to kW converter)
- Kilowatt to Ampere | kW to Amps Converter
- Kilowatt to Kilo-volt-ampere (kW to kVA) Converter
- Transformer turns ratio calculator online
- Kilovolt ampere to kilowatts (kVA to kW) converter
- Horsepower to kilowatts Convertor
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