What is the structure of the rod ground
Difference Between Grounding and Grounding
One of the main differences between grounding and grounding is that when grounding, the live part is connected to earth, while when grounding, the non-live parts are connected to ground. The other differences are explained below in the form of the comparison table.
Contents: Grounding the V / S grounding
|Basis for comparison||Grounding||Grounding|
|definition||The live part is connected to ground.||The body of the device is connected to ground.|
|place||Between the neutral device and the ground||Between the device body and the earth pit, which is located below the surface of the earth.|
|Zero potential||Has not||To have|
|protection||Protect the electrical system equipment.||Protect people from electric shock.|
|application||Enter the way back to the current value.||It discharges the electrical energy to earth.|
|Types||Three (Solid, Resistance and Reactance Grounding)||Five (pipe, plate, rod, tap, and ground)|
|Color of the wire||black||green|
|To use||To compensate for the imbalance.||To avoid electric shock.|
|Examples||The neutral conductor of the generator and the power transformer is connected to ground.||The housing of the transformer, generator, motor, etc. is connected to earth.|
Definition of grounding
In the case of earthing, the live parts are connected directly to the earth. The grounding provides the return path for the leakage current and thus protects the equipment of the power supply system from damage.
Grounding has several advantages of eliminating the surge voltage and discharging the surge voltage to earth as well. The grounding offers a high level of safety for the device and improves the reliability of the service.
Definition of grounding
The "grounding" means the connection of the non-live part of the equipment to the earth. When the fault occurs in the system, the potential of the non-current part of the device increases, and if a human or stray animal touches the body of the device, it can result in shock.
Grounding is achieved by connecting the parts of the installation to the ground, with the grounding conductor or conductor in close contact with the ground, which is some distance below the surface of the earth.
Main differences between grounding and grounding
- Earthing is defined as the connection of the non-current carrying part such as the body of the device or the housing to earth. When it comes to earthing, the live part, like the neutral conductor of the transformer, is directly connected to earth.
- The black wire is used for the grounding, and the wire is used for the green color grounding.
- Grounding balances the unbalanced load, while grounding protects the device and people from electric shock.
- The ground wire is located between the neutral conductor of the equipment and the earth, while in the case of earthing, the grounding electrode is located between the body of the equipment and the underground pit
- When earthed, the device is not physically connected to earth and the current on earth is non-zero, whereas when earthed, the system is physically connected to earth and is at zero potential.
- The grounding gives the path to an undesired current and thus protects the electrical devices from damage, whereas the grounding reduces the high potential of electrical devices caused by a fault and thus protects the human body from electric shock.
- Grounding is divided into three types. They are the solid ground, resistive ground, and reactance ground. There are five ways to ground it. The different grounding methods are pipe grounding, plate grounding, rod grounding, tap grounding, and grounding.
Ground Electrode Specifications
- The grounding electrode should not be placed near the building whose installation system is more than 1.5 m away.
- The resistance of the ground wire should not be more than 1 ohm.
- The wire used for the electrode and circuit should be made of the same material.
- The electrodes should be positioned so that they can touch the layers of the earth.
The size of the conductor should not be less than 2.6 mm2 or half the wire used for electrical wiring. Bare copper wire is used for grounding and grounding. Green 6-THHN wire (thermoplastic, highly heat-neutral coating wire) and measured copper wire of various sizes such as 2,4,6,8,8 etc. are also used for grounding and grounding.
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