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Why does Megger have DC Geneartor?
Aditya
  • Mar 15, 2021
  • 2 min

Why does Megger have DC Geneartor?

Megger brand is the model of insulation tester and it became so popular that insulation measurement is termed as insulation resistance...
187 views0 comments
Current Divider Rule: What is it? Formula, Derivation & Examples
Aditya
  • Mar 6, 2021
  • 1 min

Current Divider Rule: What is it? Formula, Derivation & Examples

When current source is connected to the circuit elements which are in parallel, the total current flowing in the circuit gets divided in eac
271 views0 comments
Solid Grounding
Aditya
  • Feb 18, 2021
  • 3 min

Solid Grounding

When the neutral point of the three phase system is connected to earth through a negligible resistance is called solid grounding or effectiv
1,757 views1 comment
Frequency
Aditya
  • Feb 15, 2021
  • 2 min

Frequency

The number of repeating events in a definite time period is called frequency, The SI unit of frequency is Hz. The frequency is also denoted
203 views0 comments
Total Harmonic Distortion & Its Measurement
Aditya
  • Feb 15, 2021
  • 2 min

Total Harmonic Distortion & Its Measurement

The total harmonic distortion of voltage (THDv) is defined as the ratio of sum of root means squares of all the harmonic voltages to the RMS
59 views0 comments
Why Neutral Grounding Resistor (NGR) is used in Neutral Earthing?
Aditya
  • Feb 3, 2021
  • 2 min

Why Neutral Grounding Resistor (NGR) is used in Neutral Earthing?

When solid grounding is used the the enormous fault current flows through the equipment. But the current transformer senses the current quic
406 views0 comments
Why Charcoal and Salt are added in Earthing Pit?
Aditya
  • Feb 1, 2021
  • 3 min

Why Charcoal and Salt are added in Earthing Pit?

Conventional pipe and plate earthing is used for earthing purpose. The alternate layers of salt and charcoal is made when the earth pit is f
897 views0 comments
Difference Between Valence Band and Conduction Band
Aditya
  • Jan 28, 2021
  • 2 min

Difference Between Valence Band and Conduction Band

The atom of any material has two energy levels. The conductivity of the material depends on the difference between two energy levels. The...
176 views0 comments
Why double earthing  for 3-phase electrical machines and equipment?
Raj
  • Jan 18, 2021
  • 2 min

Why double earthing for 3-phase electrical machines and equipment?

There are two types of earthing used in electrical system. The equipment frame earthing and system earthing. In equipment earthing the...
2,251 views0 comments
Displacement  Power Factor, Distortion Power Factor & True Power Factor
Raj
  • Jan 14, 2021
  • 3 min

Displacement Power Factor, Distortion Power Factor & True Power Factor

What is Displacement Power Factor? There are three power factor terms widely used for electrical network. The terms are rather confusing...
1,418 views0 comments
Difference between Active and Passive Components
Raj
  • Jan 14, 2021
  • 2 min

Difference between Active and Passive Components

The main difference between active and passive component. The components which require additional power supply for biasing the component...
1,189 views0 comments
What is Voltmeter?
Raj
  • Jan 11, 2021
  • 3 min

What is Voltmeter?

Definition:The instrument which measures the voltage or potential difference in volts is known as the voltmeter. It works on the...
30 views0 comments
Low Voltage Fuses
Raj
  • Jan 11, 2021
  • 3 min

Low Voltage Fuses

Fuse is a current interrupting device which breaks or opens the circuit by fusing the element when the current in the circuit exceeds a...
827 views0 comments
Phase Sequence Indicator – Working and Importance
Raj
  • Jan 4, 2021
  • 4 min

Phase Sequence Indicator – Working and Importance

Phase Sequence Indicator is an instrument which identifies the phase sequence of three phase supply system. Phase sequence or often...
223 views0 comments
What is Earthing Transformer or Grounding Transformer?
Raj
  • Dec 30, 2020
  • 2 min

What is Earthing Transformer or Grounding Transformer?

Why Grounding/ Earthing transformer required? In a delta connected alternator and transformer neutral point is not available. To create...
928 views0 comments
Difference between Earthing, Grounding and Neutral
Raj
  • Dec 30, 2020
  • 2 min

Difference between Earthing, Grounding and Neutral

The metallic enclosure,frame of an electrical equipment is connected to earth. The earth has zero potential. In normal condition the metalli
2,588 views0 comments
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Electrical Ampere is all about articles related to electrical engineering. The site aim to share knowledge about basic electrical, electrical machines, power system, protection system, power quality, DC motor, induction motor, transformer and generator.

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