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What is difference between neutral grounding reactor and neutral grounding resistor?
Wiki User
∙ 10y ago
They both reduce earth fault levels by inserting impedance in the return path. A reactor is used when the earth fault level wanted is greater than about 25% of the phase fault current. This limit is due to over voltages experienced in arcing faults, the higher the reactor impedance the higher the potential overvoltage. With resistors lower fault levels are possible, but as the resistor has to dissipate all energy it will generally be more expensive and larger than a reactor.
Wiki User
∙ 10y ago
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What is a difference between neutral earthing and body earthing?
here is no major difference between earthing and Grounding, both means "Connecting an electrical circuit or device to the Earth". This serves various purposes like to drain away unwanted currents, to provide a reference voltage for circuits needing one, to lead lightning away from delicate equipment. Even though there is a micro difference between grounding & earthing.Earthing and Grounding both is refer to zero potential but the system connected to zero potential is differ than Equipment connected to zero potential .If a neutral point of a generator or transformer is connected to zero potential then it is known as grounding. At the same time if the body of the transformer or generator is connected to zero potential then it is known as earthing.
Why neatural ground resistor using in 33kv transformer?
The function of a neutral earth resistor is to limit any fault current resulting from fault between a line conductor and earth.
What is the difference between ground and floating neutral in your electric panel?
Neutral is vital to complete the cicuit. Ground is vital to carry the current to earth during a malfuntion of the appliance using power to drive it, should the current come in contact with the frame or outer covering of the appliance and endangering the users life.
Why and how is reactance grounding done?
Reactance grounding is done to lower ground fault current amounts, often to protect generators. It's done by tying the neutral of a generator to a grounding reactor (the other side of the reactor is tied to ground).
Why in electrical wiring you need both neutral and ground if neutral is zero voltage why you cannot used it as a ground?
The neutral is a current-carrying conductor, the grounding wire is not; it is for safety as an ALTERNATE path to ground. For example, if something happens to disconnect the neutral or if the hot side comes into contact with conductive portions of an appliance, the grounding conductor can save a life by providing a safe fault mechanism.
What is neutral grounding resistor panel?
A neutral grounding resistor panel is used to resist fault current to the ground. It is used for alternator protection protection purposes. When a fault occurs in the alternator, the panel helps force the current to the ground.
What is the Working principle of neutral grounding resistor fail safe relay?
Thefail safe relaywill continuously monitor the continuity ofNGR.
What is meant by neutral grounding reactor?
Neutral-earthing reactors or Neutral grounding reactors are connected between the neutral of a power system and earth to limit the line-to-earth current to a desired value under system earth fault conditions.
How does a Neutral grounding resistor work?
it uses for alternator protection purpose; when fault occures in alternator it resists that fault current to gound . srikanth, kaenataka .
What is a difference between neutral earthing and body earthing?
here is no major difference between earthing and Grounding, both means "Connecting an electrical circuit or device to the Earth". This serves various purposes like to drain away unwanted currents, to provide a reference voltage for circuits needing one, to lead lightning away from delicate equipment. Even though there is a micro difference between grounding & earthing.Earthing and Grounding both is refer to zero potential but the system connected to zero potential is differ than Equipment connected to zero potential .If a neutral point of a generator or transformer is connected to zero potential then it is known as grounding. At the same time if the body of the transformer or generator is connected to zero potential then it is known as earthing.
What is the difference between amphoteric and neutral compounds?
difference between amphoteric solutions and neutral solutions
What neutral ground resistor?
Neutral Ground Resistor is using for minimizing the fault current of system. It is a resistor which connected between ground and neutral and increase the resisting path for fault current.
Why neatural ground resistor using in 33kv transformer?
The function of a neutral earth resistor is to limit any fault current resulting from fault between a line conductor and earth.
What is the process of bringing a negatively charged conductor in contact with the earth resulting in the conductor discharge until it is completely neutral called?
short
What is the difference in mass between a neutral deuterium atom and a neutral tritium atom?
1.6749x10-24
Why does your electrical outlet read 80 volts instead of 120 volts?
It could be a faulty transformer, a fault in insulation in the wiring, or improper grounding. If you read 80 volts between hot and 'ground', but 120 volts between hot and neutral, then it's most likely a grounding issue.
How does the NGT works?
NGT means Neutral Grounding Transformer. It is Connected between TRF star point and earth point. It is protect the trf from short ckt .
