question: 1. Discuss the mechanism of a short circuit and how it can lead to accidents.

Q: State assumptions to represent the multimachine equations with a single machine infinite bus system.

A: Multi-machine system can be written similar to a one-machine system by the following assumptions: 1.…

Q: ock diagram of Arduino car Detector and explain operating

A: The Digital OUT of the first IR Sensor is connected to Pin 11 of Arduino and the Digital OUT of the…

Q: In what way is the fault study helpful to analyze faults on a power system?

A: The explanation is as follows.

Q: 2-IS there a relationship between the fault bending & fault connection points in optical fiber?

A: Fault connection:     Sudden load increase in optical fiber will lead to fault connection, and fault…

Q: Explain this diagram for dummy

A: The given circuit is as shown below,

Q: Function of circuit breaker!

A: A mechanical device called a circuit breaker is made to shut or open contact members, which closes…

Q: Define the tunneling current.

A: A quantum mechanical phenomena known as tunneling. When electrons pass through a barrier that they…

Q: explain/describe given full wiring circuit for “Prototype-Electric” Vehicle System!

A: A wiring circuit of Prototype-Electric Vehicle system is given in the question. We need to explain…

Q: Explain differential current and voltage differential scheme of bus bar protection

A: Differential current bus bar protection Voltage differential bus bar protection

Q: 5) Simultaneous opening of local as well as remote breakers are achieved with distance protection…

A: Choose the correct option Simultaneous opening of local as well as remote breakers are achieved with…

Q: The load current in a system is 100 A. The short-circuit current for the smallest fault is 1000 A.…

A: we have given The load current in a system is 100 A The short-circuit current for the smallestfault…

Q: What is the approximate line-to- grounded arcing fault value on a 480 / 277-volt system where the…

A: The given system is a 480 / 277-volt system.  The line-line-to-ground-fault current is 30,000…

Q: (d) The load current in a system is 100 A. The short-circuit current for the smallest fault is 1000…

A: Given : Load current = 100 A Smallest fault current = 1000 A Relay current IR=5 A

Q: 1. Explain the following terms with respect to the simple differential scheme: Circulating current,…

A: Differential protection relay is a relay whose functioning is based on the phase difference of two…

Q: Three fourth of the faults that take place in a transmission system is a. Zero sequence fault b.…

A: Different types of faults taking place on transmission line.

Q: 2. What is meant by open and short concept in cabling?

A: When a potential is applied across the ends of a conductor (wire or cable), the circuit becomes…

Q: Mention the faults that can occur on the CT/PT, Switchgear, Overhead lines and underground lines.

A: 1. symmetrical faults 2. unsymmetrical faults

Q: Discuss the concept of an Electrical fault. How can we prevent such catastrophic incident for such…

A: Electrical Fault in an electrical equipment or apparatus  is a kind of imperfection in electrical…

Q: An equation for the fault current when a line-to-line fault occurs ,…

A:

Q: What is subtransient and transient fault current? How do they occur in a system?

A: In a system before the fault occurs voltage and current both are symmetrical AC but when a 3 phase…

Q: Explanation of the Relay with an illustration with a drawing.

A: Basic connection diagram of protective relay:

Q: 7- What do you mean by pipelined ?

A: Given :   In the above given question they want to know the meaning of the pipelined.   Pipelining…

Q: Explain the Bus Bar protection using the Bus mechanism.

A: The bus zone fault occurs because of various reasons likes failure of support insulators, failure of…

Q: Why is the circuit overdamped? Explain.

A:

Q: Give a brief description for under/over voltage time relay.

A:

Q: d) Discuss the procedure for computation of fault current in power system when a double line to…

A:

Q: Can you explain why it become short circuit?

A:

Q: What is solid grounding? For an underground neutral system explain the circuit behavior under single…

A: Solid grounding: The solid grounding refers to a situation in which the power system equipment like…

Q: Discuss the mechanism of a short circuit and how it can lead to accident

A: Short circuit- Electrical current always try to flow least resistive path. Hence in case if…

Q: draw sequence diagram for circuit-breaker example

A: The circuit breaker is a device that can make or break the circuit during the fault. The above…

Q: Is this statement TRUE or FALSE?, "The voltage drops to totally zero value in the event of…

A:

Q: Provided the bus-bar arrangement below, provide the following: a. Name the bus-bar arrangement; b.…

A: An electrical bus bar is  a conductor or a group of conductor used for collecting electric power…

Q: . What is “accessible” as applied to wiring methods? What is “accessible” as applied to equipment?…

A: In an electrical system, there are various terms which are used for different phenomenon and gives a…

Q: 4_ What measures and procedure would you perform in order to detect a missing/disconnected phase in…

A: When a phase is missing or disconnected from a 3 phase power system, this type of failure is called…

Q: What are the causes of short circuits? What are the effects of short circuit in to electrical…

A: Short circuit is an abnormal condition and occurs rarely. Short circuit occurs when there is a low…

Q: Describe how a fault in long cable can be detected and located using partial discharge technique…

A: The partial discharge technique of high voltage is the best technique for the detection of failure…

Q: The series fault is equal to : -open conductor fault  -Line-to-Line fault -Double Line-to-Ground…

A:

Q: A three bus system has the following bus power and voltage specifications:

A:

Q: Explain fault ride through for wind farms

A: Fault ride through : It is also known as under-voltage ride through. In electrical power power…

Q: In reference to the load, how are MOVS connected to help prevent voltage spikes and surges? Are MOVS…

A: MOVs (Metal oxide varistors) is a variable resistor whose resistance is changed with respect to…

Q: A line has a rated current of 1,000 A. Assume that a relay (with a rated current of 5A) is connected…

A: In this question we need to find secondary pickup current in per unit .

Q: explain the process of handshake bus control as shown in figure 1

A: The explanation is as follows.

Q: Why are circuit breakers and fuses ineffective in protecting against transient over voltage due to…

A: The operation of the circuit breakers are at a speed of the 50 milli-second. But this speed is very…

Q: Explain prevention of Arc restriking Theories in circuit breaker.

A: Solution: There are two theories regarding the prevention of arc restriking.   1. Splepian theory or…