Difference between Conductor and Insulator
The major difference between a conductor and an insulator is on the basis of the property of passing of current through them. The...
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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...
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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
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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
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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
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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
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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
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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
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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
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