1. What is the minimum conductor ampacity, overload protection, and dual-element fuse rating for a circuit supplying a 560-volt, 3-phase, code J, 40°C, 125-horsepower motor with a nameplate full-load current of 115 amperes?

1. What is the minimum conductor ampacity, overload protection, and dual-element fuse rating for a circuit supplying a 560-volt, 3-phase, code J, 40°C, 125-horsepower motor with a nameplate full-load current of 115 amperes?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems

Section: Chapter Questions

Problem 13RQ

See similar textbooks

Related questions

Q: ing the general approach to meśh analysis, find the current I, in work is redrawn всripted X, 20 E,…

Q: 2. Derive an expression for Io in terms of IREF and B. Asssume that VA= c0 IREF O

Q: A zener diode is rated at 6.8 Vdc, 1 watt. What is the maximum zener current the diode can safely…

A: Given, Vz = 6.8 Volt, Pmax = 1 Watt, To calculate maximum zener current that diode can safely…

Q: One input to an AM DSBFC modulator is an 800 kHz carrier with an amplitude of 40 vp. The second…

A: We need to analyse the amplitude modulated signal

Q: A balanced delta loads 5kW at a 0.7 lagging power factor. Find the delta phase impedance if the…

Q: A certain circuit is composed of two parallel resistors. the total resistance is 1403 ohms. One of…

A: The solution is given below

Q: Question 18 Determine base voltage Vg 10 V 4.3 k2 Vị I B = 100 390 k2 Z +10 V A 0.7 V В) 9.3V 10 V…

Q: Calculate the average output voltage based on a 2Vp (use the half-wave rectifier)

Q: Please go into detail on What are Ring Counters, and Please show as many examples as possible

A: RING COUNTERS: 1. It is a shift register application. 2. The final flip-output flop's is fed into…

Q: Calculate the total magnitude of electric field in this arbitrarily shaped conductor. 8 3 10 9. 11…

A: We need to find net field for given shape

Q: PROBLEMS ! A 130 - VOLT 50-CY CLE SOURCE IS CONNE CTED TO SERIES CKT, CONSISTING OF A 402 RESISTOR…

Q: A given periodical signal has O Exponenti Fourier Series O Trigonometric Fourier Series O All of…

A: Answer: ALL OF THEM Third option.

Q: An AC bridge is balanced at 20KHZ with the following components in each arm: Arm AB=10OK2, Arm 100HF…

Q: 1. Draw the AC equivalent circuit of the voltage divider bias configuration below with emitter…

Q: An AM transmitter puts a carrier of 20V into an antenna whose resistance is 1502. The transmitter is…

A: In this question AM transmitter is given.....We have to find out total output power ....

Q: For an H3E system with 80 percent modulation, what would be the i.) total transmitted power in W and…

Q: Determine the phase sequence of the set of voltages 200 cos(wt + 10°), vin = 200 cos(wt- 230°), ven…

A: In this question, We need to determine the phase sequence of the given voltage waveform. We are…

Q: est -1-3t 9. O 3/(s^2(s+3)) O 1/(s^2(s+3) O 1/(s^2(s-3)) O 3/(s^2(s-3))

A: The solution is given below Option D is correct.

Q: the circuit below. Find the current (a) I, (b) lz. All Resistors are in ohms. 180 200 100 100 000 10…

A: We need to find out current for given circuit

Q: Use a A-to-Y transformation in finding the currents I . 1, and /y for the circuit shown in Fig.…

A: The circuit given is shown below:

Q: What is the approximate value of the total resistance. R2 RS R11 4 kOhm 4 kOhm 5 kOhm R128 kOhm R310…

A: In this question, We need to calculate the equivalent resistance. We know if two resistances R1…

Q: single-phase transformer with a rating of 50kva has an iron loss of 400 W and a full load copper…

A: The solution is given below

Q: An npn transistor of a type whose β is specified to range from 50 to 200 is connected in a circuit…

A: The solution is given below

Q: For the emitter-stabilized bias circuit, determine VB 12 V 2 ma O 7.6 V Vee = 80 024 V Rg A) 0.7 V…

A: In this question, We need to choose the correct option What is value of base voltage VB ? Assume…

Q: Using mesh analysis solve for 11 12 13 14 5+j5 3-j3 3-j3 20V 25V/10) 1-j2

A: In this question, We need to calculate the mesh current in shown in the circuit using the mesh…

Q: Determine the total resistance, RT, in the circuit in Fig. P2.69. 10KO 10KO 4 k2 10KO 10KO 2 kn 10KO…

Q: 5-7. Determine the equivalent (total) resistance in the complex circuit below. Show your solution on…

Q: P5.4 A temperature sensor was connected to a 16-bit A/D converter with 0 to 5 V analog range. The…

A: Solution- Given, It is a 16 bit AD converter., its capability to store a maximum of 216 = 65536…

Q: Two conductors, A and B, are connected in parallel and carry equal currents at 25°C. What proportion…

A: We need to find out change in current due to change in temperature

Q: During 50% modulation, what percentage of average output power is in the sideband? Blank 1

A: Given, Percentage of modulation = 50%

Q: A voltmeter is connected in parallel to a resistor when measuring Vi. Remember that the internal…

A: Voltage across parallel circuits and current in series circuit will remain same. Current in parallel…

Q: The total resistance between A and B are? ww 20 A ww 20 A 20 a ww 20 A

A: This question belongs to circuit theory . It is based on the concept of equivalent resistance of…

Q: R. R6 R VioW R4 oVo Vo1 R, R3 R1-1ΚΩ,R2-10KΩ, R3-10KQ, R4-1KΩ , R5-40KΩ, R6-4KΩ

A: We will find out voltage gain for both opp in the given circuit

Q: The DTFT of x(n) = u(n) 1-ae 10 1-e-ja 1-e-jn 1 1- eln

Q: Find the value of resistance R and capacitive reactance Xc that will require a reactive power of…

Q: Find State diagram in signal flow and block diagram format mÿ(t) + bý(t) + ky(t) = u(t) %3D x, (t) =…

A: We need to find out signal flow graph and block diagram for given system .

Q: 3 2 + V2 is v5 70 24 V + Vi

A: We need to find out current and voltage and power for given circuit

Q: Problem 02: A resistor which conductance of G = 50 mS is connected in parallel with an inductor…

Q: Calculate the Vp-p with a given 4div vertical deflection reading, 0.5volts/div and 10 probe…

Q: Find all the right answers: Fourier Transform has following properties O Linearity O time…

A: In this question, We need to choose the correct options What is Properties of the Fourier…

Q: Suppose that you have a task of measuring the lengths of a bridge and a rivet and come up with 9999…

Q: Ri Find transfer function (1/Ei) The transfer function between current and input voltage.

Q: Determine Vo for the network during the positive half-cycle. 3 V Vi o M 2.2 k2 + +8 V Si -8 V

Q: Determine Vo for the network. +16 V Si Si Si 4.7 kQ -4 V

Q: V, volts 12 3, metros <-5 12

A: We need to find electric field for given potential

Q: Each rivet has diameter of 12 mm and the thickness of each steel plate is 15 mi (a) Compute the…

Q: LC II-network

A: LC π - network

Q: NOTE: Please add explanation in solution. Thank you Find F in SOP of the following: F(a,b ,c d) =…

Q: Find the following signals FT (Hint use FT pairs and FT propertise), Please write procedures (a)…

A: As per our guidelines we are supposed to be answer the first question only. Kindly repost the other…

Q: 3. Line x=3, z-4 carries uniform charge 2 nC/m. Find the potential difference between A(6,3,8) and…

A: We will find out the potential for the given line charge density

Question

All answers should be written in complete sentences. Calculations should be shown in detail, and Code
references should be cited when appropriate. Unless otherwise stated, all conductors are copper type THHN, and the supply is AC.

1. What is the minimum conductor ampacity, overload protection, and dual-element fuse
rating for a circuit supplying a 560-volt, 3-phase, code J, 40°C, 125-horsepower motor
with a nameplate full-load current of 115 amperes?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Please help with the following questions, thank you. Calculate the following : 1) At what voltage is the switching point? 2) The hysteresis spread ?
Calculate the following. a) Expected voltage at “A” with switch SW1 open. b) Expected voltage at “A” with switch SW1 closed.
a. Draw the relationship between excitation current and short circuit, and Please explain. b. At what volts is the alternator end voltage short-circuited? At nominal voltage What will happen if a short circuit is made?
All answers should be written in complete sentences. Calculations should be shown in detail, and Codereferences should be cited when appropriate. Unless otherwise stated, all conductors are copper type THHN, and the supply is AC. 1.What is the full-load current of a 600-volt, 3-phase, 50-horsepower induction motor?
A 460VAC rated, 60 Hz, 125-Hp Three-phase induction type motor is to be connected for across-the-line starting. The nameplate indicates the motor’s maximum ampere rating, 160A. It has a NEMA code letter B. The ambient temp of the installation place is and TW copper will be used. Short-circuit protection device that will be used is Inverse Time Breaker. Calculate the Conductor size.
460VAC squirrel cage, 60 hp, 3 phase induction-type AC motor, is to be controlled with 220VAC rated magnetic contactor. Control circuit will be supplied with 110VAC. What is the full-load current and the conductor size.
The fuse in one of the supply phases of a running 3-phase I.M. blows off. Will the motor continue to run at ( i) original speed (ii) reduced speed (iii) come to stand still?
3) 94 select the proper answer for the following: 1) The main processes that have the responsibility of arc initiation in the switching of the high voltage power system are: a) the field and thermal emissions b) the deionization of the arc path c) the photoionization and magnetic field emission 2) The dead tank term is used with: a) Bulk oil circuit breaker b) Minimum oil circuit breaker c) Air blast circuit breaker 3) The errors in the PTs can be minimized by: a) By providing a suitable turn ratio b) By increasing the winding resistance and reactance 2
All answers should be written in complete sentences. Calculations should be shown in detail, and Codereferences should be cited when appropriate. Unless otherwise stated, all conductors are copper type THHN, and the supply is AC. 1. What size conductor would be required to supply three motors connected to a 440-volt, 3-phase branch circuit? Motor #1 is a 50-horsepower, code B induction motor;motor #2 is a 40-horsepower, code H induction motor; and motor #3 is a 50-horsepower, code J induction motor.
A 30- hp squirrel cage induction motor is connected to a 240-volt three phase feeder. The motor is to be replaced with a 50-hp squirrel cage induction motor connected to 480 volts. The motor has a nema code b, a full load current of 49.8 amps, and an sf of 1.10. the present conductors are 3 awg copper with thwn insulation. Are these conductors sufficient to connect to the 50-hp motor or will they have to be replaced
12. If overcurrent protection is provided in the transformer of a separately derived system, which of the following statements is correct?A. A ground electrode must be present at the transformer and the building's disconnect.B. There's no need for service equipment or a panelboard in the separate building.C. An equipment grounding conductor must be run with the conductors between the transformer and the building's disconnect.D. The neutral should be bonded to the equipment grounding conductor at the service equipment in the separate building.
QUESTION 13 The resistance of the Armature's conductor coil(s) in most motors is: quite high, usually a few thousand ohms or more depending on the size of the motor. Typically an open circuit value on most multimeters quite low, usually a few ohms or less depending on the size of the motor. very high, usually in the megaohms.