🔍
What is the purpose of a thermal replica protection scheme for overhead lines?
0 like 0 dislike

Related questions

What is the purpose of a thermal replica protection scheme for power transformers?

View solution
0 like 0 dislike
5 views 0 answers
× Full Screen Image

What is the purpose of a thermal replica protection scheme for generators?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

What is the purpose of thermal replica protection in cables?
Answer : Thermal replica protection in cables is a safety feature used to prevent cables from overheating and causing damage or even fires. The purpose is to ensure that the cable can withstand ... the temperature of cables, keeping them from overheating and ensuring their safe and efficient operation....

View solution
0 like 0 dislike
7 views 1 answer
× Full Screen Image

What is the purpose of a thermal overload protection scheme for shunt reactors?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

What is the purpose of a thermal overload protection scheme for cables?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

What is the function of a thermal replica in overload protection?
Answer : A **thermal replica** is an important component in overload protection, especially in devices like circuit breakers and motor protection systems. Its main function is to simulate the heating effect ... a "temperature monitor" that ensures the system doesn't overheat due to sustained high currents....

View solution
0 like 0 dislike
4 views 1 answer
× Full Screen Image

What is the purpose of a thermal overload protection scheme in transformers?

View solution
0 like 0 dislike
1 view 0 answers
× Full Screen Image

How does a phase comparison protection scheme work for multi-terminal lines?

View solution
0 like 0 dislike
2 views 0 answers
× Full Screen Image

How does a phase comparison protection scheme work for series compensated lines?
Answer : Phase comparison protection for series-compensated lines is a method used to detect faults in power transmission lines that have series compensation. These lines are equipped with series capacitors ... account for the phase shifts caused by the series capacitors to avoid incorrect fault detection....

View solution
0 like 0 dislike
7 views 1 answer
× Full Screen Image

How does a current differential protection scheme work for parallel lines?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

How does a compensated distance protection scheme handle series-compensated lines?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

How does an adaptive distance protection scheme handle series compensated lines?

View solution
0 like 0 dislike
5 views 0 answers
× Full Screen Image

What is the purpose of thermal overload protection in motors?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

How do you perform a thermal rating study for transmission lines?

View solution
0 like 0 dislike
9 views 0 answers
× Full Screen Image

What is the purpose of a negative sequence differential protection scheme in generator-transformer units?

View solution
0 like 0 dislike
5 views 0 answers
× Full Screen Image

What is the purpose of a stator earth fault protection scheme using third harmonic undervoltage?

View solution
0 like 0 dislike
3 views 0 answers
× Full Screen Image

What is the purpose of a subsynchronous resonance protection scheme in series compensated networks?

View solution
0 like 0 dislike
5 views 0 answers
× Full Screen Image

What is the purpose of a rate of change of frequency protection scheme in islanding detection?
Answer : The Rate of Change of Frequency (ROCOF) protection scheme plays a critical role in islanding detection, particularly in power systems with distributed generation (DG) such as solar or wind power ... of frequency change, which can then trigger actions to protect the system and ensure grid stability....

View solution
0 like 0 dislike
9 views 1 answer
× Full Screen Image

What is the purpose of a pole discordance protection scheme in generator circuit breakers?

View solution
0 like 0 dislike
6 views 0 answers
× Full Screen Image

What is the purpose of a stator earth fault protection scheme using fundamental frequency injection?

View solution
0 like 0 dislike
5 views 0 answers
× Full Screen Image

What is the purpose of a loss of excitation protection scheme using impedance measurement?

View solution
0 like 0 dislike
6 views 0 answers
× Full Screen Image

What is the purpose of a negative sequence differential protection scheme in transformers?

View solution
0 like 0 dislike
6 views 0 answers
× Full Screen Image

What is the purpose of a stator earth fault protection scheme using neutral injection?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

What is the purpose of a subsynchronous torsional interaction protection scheme?

View solution
0 like 0 dislike
3 views 0 answers
× Full Screen Image

What is the purpose of a rate of change of reactive power protection scheme?
Answer : The **rate of change of reactive power protection scheme** is designed to protect electrical systems from harmful conditions caused by rapid changes in reactive power. Reactive power, unlike ... system by detecting and responding to dangerous fluctuations in reactive power before they cause harm....

View solution
0 like 0 dislike
9 views 1 answer
× Full Screen Image

What is the purpose of a pole slipping protection scheme in synchronous motors?
Answer : The purpose of a **pole slipping protection scheme** in **synchronous motors** is to **prevent the motor from losing synchronism** with the power supply, which could lead to severe ... synchronism** with the power supply to prevent mechanical and electrical damage due to loss of synchronism....

View solution
0 like 0 dislike
4 views 1 answer
× Full Screen Image

What is the purpose of a stator earth fault protection scheme using neutral voltage displacement?
Answer : The **purpose of a stator earth fault protection scheme using neutral voltage displacement (NVD)** is to detect and protect the electrical generator from earth faults (faults that occur between ... and efficient protection, ensuring the reliability and safety of the generator and the power system....

View solution
0 like 0 dislike
5 views 1 answer
× Full Screen Image

What is the purpose of a loss of synchronism protection scheme in generators?

View solution
0 like 0 dislike
3 views 0 answers
× Full Screen Image

What is the purpose of a negative sequence differential protection scheme in generators?
Answer : The purpose of a **negative sequence differential protection scheme** in generators is to detect and protect the generator from **unbalanced conditions** caused by faults, such as phase-to-phase faults ... of these faults, and ensures **safe operation** of the generator within the power system....

View solution
0 like 0 dislike
9 views 1 answer
× Full Screen Image

What is the purpose of a multifunction line current differential protection scheme?
Answer : The purpose of a **multifunction line current differential protection scheme** is to protect transmission lines from faults by quickly detecting and isolating the faulty section of the line ... transmission lines by using multiple protection principles to detect faults and minimize system downtime....

View solution
0 like 0 dislike
8 views 1 answer
× Full Screen Image

What is the purpose of a restricted earth fault protection scheme in autotransformers?

View solution
0 like 0 dislike
2 views 0 answers
× Full Screen Image

What is the purpose of a stator earth fault protection scheme using third harmonic voltage?
Answer : The purpose of a **stator earth fault protection scheme using third harmonic voltage** is to detect earth faults (ground faults) in the stator windings of an electrical generator or ... This allows for early detection and timely disconnection of the affected machine, preventing potential damage....

View solution
0 like 0 dislike
8 views 1 answer
× Full Screen Image

What is the purpose of a loss of field protection scheme in synchronous generators?
Answer : The purpose of a **Loss of Field Protection Scheme** in synchronous generators is to protect the generator from damage when it loses its excitation (field current). The excitation system ... lost, thereby preventing potential damage and ensuring the safe and efficient operation of the power system....

View solution
0 like 0 dislike
5 views 1 answer
× Full Screen Image

What is the purpose of a pole slip protection scheme in generators?

View solution
0 like 0 dislike
7 views 0 answers
× Full Screen Image

What is the purpose of a power factor protection scheme in capacitor banks?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

What is the purpose of a compensated distance protection scheme?

View solution
0 like 0 dislike
5 views 0 answers
× Full Screen Image

What is the purpose of a pole discordance protection scheme in circuit breakers?
Answer : The purpose of a **pole discordance protection scheme** in circuit breakers is to ensure that all poles of a multi-pole circuit breaker operate in a coordinated manner when an abnormal condition, ... of the circuit breaker, making sure that all poles function as they should during fault conditions....

View solution
0 like 0 dislike
7 views 1 answer
× Full Screen Image

What is the purpose of a neutral voltage displacement protection scheme?

View solution
0 like 0 dislike
6 views 0 answers
× Full Screen Image

What is the purpose of a zone interlocking scheme in busbar protection?
Answer : A zone interlocking scheme in busbar protection is designed to enhance the reliability and safety of the electrical system by preventing faults from spreading and minimizing the chances of ... , reducing unnecessary interruptions and improving the overall reliability of the busbar protection system....

View solution
0 like 0 dislike
7 views 1 answer
× Full Screen Image

How do you perform thermal analysis for transmission lines?

View solution
0 like 0 dislike
7 views 0 answers
× Full Screen Image

What are the 5 components of overhead lines?
Answer : The 5 main components of overhead power lines are: 1. **Conductors**: These are the wires that carry electricity from one point to another. They are typically made of materials like ... . These five components work together to make sure electricity can be safely transmitted over long distances....

View solution
0 like 0 dislike
7 views 1 answer
× Full Screen Image
0 like 0 dislike
5 views 0 answers
× Full Screen Image

What is the difference between overhead and underground transmission lines?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image
0 like 0 dislike
4 views 0 answers
× Full Screen Image

What is the purpose of backup impedance protection in transmission lines?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

What is the purpose of an out-of-step tripping scheme in transmission line protection?
Answer : An **out-of-step tripping scheme** is used in transmission line protection to detect and prevent damage caused by **out-of-step conditions** that can occur during certain faults or ... takes action to protect the system by isolating the problem before it causes major damage or instability....

View solution
0 like 0 dislike
6 views 1 answer
× Full Screen Image

What is the purpose of an adaptive autoreclosure scheme in transmission line protection?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

How does a loss of excitation protection scheme work for generators?

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

Explain the “Differential Protection Scheme” used for alternators with a neat labeled diagram.

View solution
0 like 0 dislike
4 views 0 answers
× Full Screen Image

Explain the differential protection scheme for busbars with a neat sketch.
Answer : **Differential Protection Scheme for Busbars:** Differential protection is a popular protection scheme used for busbars in electrical power systems to detect faults (such as short circuits) ... faults are quickly cleared, maintaining the overall stability and reliability of the power system....

View solution
0 like 0 dislike
7 views 1 answer
× Full Screen Image
Learn Electrical Engineering the easy way at Electrical-Engineering.app – tutorials, tools, calculators, and video lessons for students, professionals, and beginners.

Subjects

29.4k questions

10.3k answers

7.9k users