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Power Systems

Sensor | Types of Sensor

Let us consider a measurement system. It is composed of an input device which senses the environment or surrounding to generate an output and, a signal processing block which processes the signal from input device and an output device which presents the signal to human or machine operator in a more

By Electrical4u 03/28, 2024
Power Systems

Thermistor: Definition, Uses & How They Work

What is a Thermistor? A thermistor (or thermal resistor ) is defined as a type of resistor whose electrical resistance varies with changes in temperature. Although all resistors’ resistance will fluctuate slightly with temperature, a thermistor is particularly sensitive to temperature changes. Therm

By Electrical4u 03/28, 2024
Power Systems

Thermopile: A Device that Converts Heat into Electricity

A thermopile is a device that converts heat into electricity by using the thermoelectric effect. It consists of several thermocouples , which are pairs of wires made of different metals that generate a voltage when exposed to a temperature difference. Thermocouples are connected in series or sometim

By Electrical4u 03/28, 2024
Power Systems

Bimetallic Strip Thermometer: How It Works and Its Applications

What is a Bimetallic Strip Thermometer? A bimetallic strip thermometer is a device that uses the principle of different thermal expansion of solids to measure temperature. It consists of two metal strips (e.g., steel and brass) with different coefficients of thermal expansion, which are firmly joine

By Electrical4u 03/28, 2024
Power Systems

Thermocouple: A Simple and Versatile Temperature Sensor

What is a Thermocouple? A thermocouple is a device that converts temperature differences into an electric voltage , based on the principle of the thermoelectric effect. It is a type of sensor that can measure temperature at a specific point or location. Thermocouples are widely used in various field

By Electrical4u 03/28, 2024
Power Systems

Watt-Hour Meter: What is it? (And How Does it Work)

What is a Watt Hour Meter? A Watt-hour meter is a measuring device that can evaluate and record the electrical power passing through a circuit at a certain time. By implementing a Watt-hour meter, we can know how much electrical energy is used by a home, business, or an electrically powered device.

By Electrical4u 03/28, 2024
Power Systems

Construction of AC Energy Meter

Energy meters are the basic part to measure the power consumption. It is used everywhere, no matter how big or small consumption it is. It is also known as watt-hour meter. Here we discuss the construction and working principle of induction type energy meter. To understand the structure of watt-hour

By Electrical4u 03/28, 2024
Power Systems

Energy Meter Testing

We cannot think of life without electricity and when there is electricity consumption there is a need to measure its consumption. Here energy meter comes into picture. In every residence, malls, industry, everywhere energy meters are used to measure the electrical energy consumed. Those consumers wh

By Electrical4u 03/28, 2024
Power Systems

Energy Meter with Lag Adjustment Devices

We know that in induction type energy meters , in order to maintain speed of rotation proportional to power “The phase angle between supply voltage and pressure coil flux should be equal to 90 o “. However in actual practice, the angle between supply voltage and pressure coil flux is exactly not 90

By Electrical4u 03/28, 2024
Power Systems

How to Measure Electrical Energy: A Comprehensive Guide

Electrical energy is a fundamental concept in physics and engineering, as well as a practical necessity for everyday life. Electrical energy is the amount of work that can be done by an electric current , or the amount of heat that can be produced by an electric resistance . Electrical energy is als

By Electrical4u 03/28, 2024
Power Systems

Schering Bridge Measurement of Capacitance using Schering Bridge

Schering Bridge Theory This bridge is used to measure to the capacitance of the capacitor, dissipation factor and measurement of relative permittivity. Let us consider the circuit of Schering bridge as shown below: Here, c 1 is the unknown capacitance whose value is to be determined with series elec

By Electrical4u 03/28, 2024
Power Systems

Owens Bridge Circuit and Advantages

We have various bridges to measure inductor and thus quality factor, like Hay’s bridge is highly suitable for the measurement of a quality factor greater than 10, Maxwell’s bridge is highly suitable for measuring medium quality factor ranging from 1 to 10, and Anderson bridge can be successfully use

By Electrical4u 03/28, 2024

Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

All

Sensor | Types of Sensor

Thermistor: Definition, Uses & How They Work

Thermopile: A Device that Converts Heat into Electricity

Bimetallic Strip Thermometer: How It Works and Its Applications

Thermocouple: A Simple and Versatile Temperature Sensor

Watt-Hour Meter: What is it? (And How Does it Work)

Construction of AC Energy Meter

Energy Meter Testing

Energy Meter with Lag Adjustment Devices

How to Measure Electrical Energy: A Comprehensive Guide

Schering Bridge Measurement of Capacitance using Schering Bridge

Owens Bridge Circuit and Advantages

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