Which control wiring scheme can cause damage to industrial production or processing equipment with the sudden restart of machines on restoration of the power?

Q: The plug setting of a negative sequence relay is 0.2 A. The current transformer ratio 5:1. The…

A: Given, The plug setting of a negative sequence relay is 0.2 A. The current transformer ratio 5:1

Q: - What is the amount of power saving in the AM-DSB-SC, when compared to other types of AM systems?

A:

Q: "In back up protection scheme of power system a 5-Amp, 4-second overcurrent relay having a current…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

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: Draw the wiring diagram of a three phase direct-on-line motor needed to be used to start and stop a…

A: In direct on line, Motor is directly connected to 3 phase supply. In direct on line, Full line…

Q: 3) The relay settings for percentage differential protection scheme for generator are as under. (1)…

A: For differential relay , relay will operate when I1-I2≥ minimum pick up +slope×I1+I22 where I1 and…

Q: Larger conductors should be used for long runs to minimize the? A. Current B. Voltage drop c.…

A: for the long runs the larger conductors are generally used.

Q: "In back up protection scheme of power system a 5-Amp, 4-second overcurrent relay having a current…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: What wiring methods are used for Feeder Bus System?

A: The method for wiring the feeder bus system is as follows; 1. Enclosure feeder bus system; -…

Q: Ability of the power system to remain in synchronism after large disturbance is called as transient…

A: Transient and steady state stability are two important stabilities in power system.

Q: . Design a traffic light controller where; frequeny = 0.5 Hz, red light oposed to be ON for 10 Sec.,…

A: The code for this traffic light mild controller is easy and smooth to understand. we've exhibited…

Q: What is DMA? Explain pins of Timing and control unit in detail with proper explanation

A: direct memory access

Q: In developing line over wiring diagrams in which lines should the overload relays be placed for…

A: The line diagram for three-phase motor starters is shown below:

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: For the system shown below (bus protection by differential current relay) ii an external fault has…

A: (ii) For external fault, zero current will flow through the operating coil of the relay.  From the…

Q: in developing lines or wiring diagrams, in which lines should the overload relays be placed for…

A: A three-wire control is used for no-voltage protection or low-voltage protection. For the…

Q: Why doesn’t a multi wire branch circuit not have a neutral conductor?

A: A multiwire branch circuit consists of  ungrounded conductors that have a voltage between them, and…

Q: 5. Why polarizing voltage from a healthy phase is used in three-phase directional relays?

A: A relay is an automated device that detects an improper electrical circuit state and closes its…

Q: In back up protection scheme of power system a 10-Amp, 4-second overcurrent relay having a current…

A: i) Pick-up current value (in Amp) Pick-up current=secondary CT *current setting =5*1.25=6.25 A…

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: Why polarizing voltage from a healthy phase is used in three-phase directional relays?

A: The most common method used in the three-phase directional relays for protection is the use of…

Q: Why are the outlets in homes never wired in series? What problems might this present?

A: In homes, all the circuits are connected in parallel manner.  The reason behind using the parallel…

Q: The plug setting of a negative sequence relay is 0.2 A. The current transformer ratio 5:1. The…

A: Given: The plug setting of a negative sequence relay is 0.2 A. Current transformer ratio is 5:1

Q: Explain how zone protection applies to the power system from generation to transmission line. Show…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: motor driven conveyors. Before entering the bottles are rejected. Draw ladder diagram to achieve…

A: Please find your answer below in step 2

Q: n developing line or wiring diagrams in which lines should the overload relays be placed for three…

A: Developing line or wiring diagrams are used to show the circuit in a simplified way.

Q: Is there DC under/over voltage relay?

A: Relay is an electrical device that protects the equipment under the fault conditions.

Q: What is the common reason for failure of inter turn insulation?

A: The major cause of inter turn failure is:-

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: Most common type of grounding on primary distribution system?

A: -The three-phase, the four-wire multi-ground system is the most common type of grounding on the…

Q: what is  protective relaying? what is Time & Setting Multiplier ?

A: What is  protective relaying? A protection relays is a switching equipment which detect faults and…

Q: Explain why the low voltage problem at higher loading is more severe in an uncompensated over-head…

A: You have asked multiple independent questions. We are authorized to answer one question at a time.…

Q: State if the statement is true or false. Over-powering results in high overhead charges,…

A: State if the statement is true or false. Overpowering results in high overhead charges, inefficient…

Q: How does peak time, settling time, and percent overshoot relate with pole location of the…

A:

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: Explain why the low voltage problem at higher loading is more severe in an uncompensated over-head…

A:

Q: Is it advisable to use Multi-pair punch in terminating cables in patch panels? Why?

A: Patch panel: It is a local area network (LAN) that is a mounted equipment gathering that contains…

Q: what is  protective relaying? what is Time & Setting Multiplier ?

A: Protective Relaying A protecting relays is an electrical device that uses a current and voltage…

Q: Question 1: Why is the voltage decresed at no-load operation? What is that voltage called?

A: According to guidelines we need to solve only the first question.  According to the question we have…

Q: In developing line or wiring diagrams in which lines should they overload relays replaced for three…

A: In developing line or wiring diagrams, the overload relays must be replaced in all three lines of…

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…

Q: Below figure shows a single line diagram of a portion of a radial distribution system. The PS of…

A:

Q: Why six lamps are used in this dark lamp method of synchronization?

A:

Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.