6.A. How many grounded neutral conductors are in a 208Y/120 volt, 3-phase, 4-wire system? A. Three B. Two C. Four D. One 6.B. A separate building that's supplied with a feeder or branch service will also need a A. separate EGC from the supply EGC. B. transformer for isolation. C. neutral conductor bonded to ground. D. grounding electrode system.

Q: What is the characteristic of transformer of step-up and step-down transformer?

A: We are supposed to be answer of first question as per guildlines.

Q: ) Which of the following statement is true about Current Transformer? a. The current in the…

A: Current transformer is used to measure high current.

Q: (b) A single-phase ideal transformer with 2 kVA rating has 480 V at the primary, and 120 V at the…

A:

Q: Solve for following if 3-phase transformer configuration in figure 6 on worksheet 3 has the gives as…

A: The phase current on low voltage side is equal to 1/√3 time the line current on the low voltage side…

Q: A 33 KV substation is to be connected to a 11 KV stepdown substation which is at a distance of 1.5…

A: We have Transmission line which connects 33 KV Sub-Station to 11 KV Substation. This line is 1.5 KM…

Q: Assertion (A): The regulation of the good transformer should be less than 3 percent. Reason (R):…

A: Voltage regulation of transformer

Q: Transformers are electrical devices that A. generally have three to four moving parts. B. have a…

A: Transformers:- Transformer: A device that steps up or steps down the voltage as it transmits…

Q: A 25 kVA, 550/220 volt transformer has rated copper loss of 350 watts. With the low voltage winding…

A: The solution is given below  The single phase transformer can be solved in per unit system also.

Q: In terms of transformer core types: Distinguish between the types of transformers used in industry?…

A: It is an electrical device that transfers electrical energy between two or more circuits through…

Q: what are the advantages and disadvantages of single phase dry-type power transformer when used with…

A: Single-phase dry-type power transformer: Dry-type transformer never uses insulating liquid (which is…

Q: Why are the low voltage winding short-circuited and high voltage excited during the short-circuit…

A: A transformer is an electrical machine which is used in AC circuit to either step up or step down…

Q: Draw and explain the scheme illustrating the principle of a transformer voltage U2 regulation…

A: OLTC (On-load tap changer transformer): The tap changer is a device that is tied to the power…

Q: If required, what type of diagram must indicate the calculated load, demand factors, conductor type…

A:

Q: Identify type of Transformer referred to K>1 is__________ a. isolation b. Voltage transformer c.…

A: The transformation ratio K of the transformer is defined as the voltage of secondary winding to the…

Q: is circuit breaker good for transformer ?

A: Circuit breakers are specifically used for fuse-less protection against overloads and short-circuits…

Q: 60 kVA, 13.8kV – 0.6kV/1.2kV. The transformer is of additive polarity. a) Determine the voltage and…

A: Please find your answer below in step 2

Q: How Instrument transformer is different from auto transformer explain in detail?

A: An auto transformer is a type of electrical transformer with only one winding. An auto transformer…

Q: 3 single-phase transformers of 2200/220 Volts each will be combined to form a 3-phase transformer.…

A: The supply can be single phase or three-phase. The loads can also be balanced or unbalanced.  The…

Q: Short circuit test on a single phase transformer is performed to determine_____________ a.…

A: Need to Find the correct option

Q: 1. From first principles, derive the per-phase equivalent circuit of a three-phase transformer…

A: As it is asked only solve subpart (c) so we are solving only that subpart. It is asked to draw the…

Q: 9 2. Transformer Representations For each of the three phase transformers shown below, (a) connect…

A:

Q: -)   A phase transformer with equivalent circuit parameters R1 = 1 ohm, R2 '= 1.4 ohm, X1 = 2 ohm,…

A: Given data: R1=1 ΩR2'=1.4 ΩX1=2 ΩX2'=1.8 ΩXm=1100 ΩRe=6400 ΩVp=220 VVs=22 VZy=0.5+j0.3 Ω

Q: Which of the following is the range of excitating current (in percent) of its rated current for a…

A: Exciting current is the current which is required for the excitation of the transformer. There are…

Q: From the topic of insulation resistance testing of a transformer,(Layout of the Analog Insulation –…

A: Insulation resistance is used to determine the resistance between two points separated by the…

Q: What are the objectives of implementing a short circuit test on a single phase transformer?

A: Given  What are the objectives of implementing a short circuit test on a single phase transformer

Q: 1- The resistance of secondary windings of step-down transformer is resistance of secondary…

A: Need to fill the blank

Q: b. Calculate the idle running iron and magnetizing currents and the efficiency of the transformer in…

A:

Q: Determine the transformer equivalent circuit parameters.

A:

Q: Fill in the blanks with a suitable describing for the following 1. Active component of no load…

A: Active component of no load current of transformer is ___________Answer   :-  2-5% of full load…

Q: B) AA-A bank consisting of three 30-kVA, 220/1000-V transformers supplies a load 80 kVA. If one…

A: In this question we will find answers related to open delta connection.... Note :- as per our…

Q: A transformer with full load voltage of 207 volts, when the regulation is 3%. The no load voltage…

A:

Q: In a typical unit substation the majority of the connections to ground are made in the_. A. High-…

A: The substation is part of the electrical power system.

Q: Q5) Choose the correct answer: 1. Three phase, Y-connected transformer is normally supplied form. a.…

A: As per the guidelines of Bartleby we supposed to answer 1st three sub part of the question . for…