What is the purpose of a surge protective device (SPD)?

What is the purpose of a surge arrester in power systems?
Answer : No, electricity cannot pass through **thermocol** (also known as expanded polystyrene or EPS) because it is an **insulator**. Thermocol does not have free electrons that allow the flow of ... **, especially when rubbed against other materials, but this is not the same as conducting electricity....

View solution

0 like 0 dislike

6 views 1 answer

in Electrical Engineering

What is the full form of SPD breaker?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the purpose of a programmable logic device?

What is the purpose of a programmable logic device?
Answer : A **Programmable Logic Device (PLD)** is a type of semiconductor device used to implement digital logic circuits. The main purpose of a PLD is to allow users to configure it ... circuits, providing a way to easily create customized, reconfigurable, and efficient solutions for various applications....

View solution

0 like 0 dislike

2 views 1 answer

in Electrical Engineering

What is the purpose of a residual current device (RCD) in electrical wiring?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the purpose of a heat sink in a power electronic device?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is the purpose of the electronic device?

What is the purpose of the electronic device?
Answer : The purpose of an electronic device is to perform specific tasks using electrical energy to process, control, or manipulate information, signals, or physical quantities. These tasks can ... by providing solutions in various fields such as communication, entertainment, measurement, and automation....

View solution

0 like 0 dislike

2 views 1 answer

in Electrical Engineering

A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of the protective transformers on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of ... on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

A 220V/22kV three-phase transformer is connected in star/delta. The protective transformers on the 220V side have a current ratio of 400/5. Calculate the CT ratio on the 22kV side.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

How does a digital protective relay differ from an electromechanical relay?

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

What are the common types of protective schemes used in transmission?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

How do you assess the performance of protective relays?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What are the types of protective relays used in transmission?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

State four functions of the protective system.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

State four functions of protective system.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Define the following terms with respect to protective relays: i) Relay time ii) Reset current iii) Plug setting multiplier iv) Time setting multiplier.

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

Explain the conditions for setting up negative phase sequence currents in an alternator. Draw the protective scheme to detect them and operate the CB.

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

Define the terms related to Protective Relay: i) Selectivity ii) Sensitivity.

View solution

0 like 0 dislike

2 views 0 answers

in Electrical Engineering

Explain any six quality requirements for better protective relaying.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

Explain PSM and TSM related to protective relays.

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the function of a surge protector?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is a surge arrester?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is a voltage surge?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

What is a surge?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

How does a UPS provide surge protection?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is a surge protector?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

How do you install a whole-house surge protection system?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

How do you wire a whole-house surge protector?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

How does a surge arrester protect electrical equipment?

View solution

0 like 0 dislike

0 views 0 answers

in Electrical Engineering

How does a surge generator work in EMC testing?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

How does a surge protector work?

View solution

0 like 0 dislike

1 view 0 answers

in Electrical Engineering

What is the importance of surge protection?

What is the importance of surge protection?
Answer : Surge protection is essential because it helps protect electrical devices and systems from sudden spikes in voltage, known as "surges." These voltage surges can happen due to various reasons ... electrical devices and systems, which is especially important in homes, offices, and industrial settings....

View solution

0 like 0 dislike

1 view 1 answer

in Electrical Engineering

What is an electrical surge protector?

What is an electrical surge protector?
Answer : An electrical surge protector is a device that helps protect your electrical appliances and electronics from sudden voltage spikes or surges in the electrical power supply. These surges can occur due ... protect them from power spikes, helping to ensure the safety and longevity of your equipment....

View solution

0 like 0 dislike

1 view 1 answer