SOLVING: Determine the total current of the circuit and the required current rating based on80% demand factor.Given a small family dwelling, type of service - 115 V/ 230 V, single phase, 3-wire, 60 Hz.The load are as follows:11 lighting loads which are divided into 6 inside the house and 5 outside thehouse.14 (7 duplex or 2 per outlet) convenience outlets for small appliancesa. Determine the circuit requirement for each branch.b. Determine the total load, total current and the required current rating based on 80%demand factor.c. Determine the circuit requirement and the service entrance requirement of the system.

b) According to the NEC, 1. Maximum power consumes by a lighting device is 100W. 2. Power consume by…

Answered: SOLVING: Determine the total current of…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Similar questions

What are the key parameters in power system analysis, such as voltage, current, and power factor?
5
i. Given the concept of Circuit Breakers discuss five types of circuit breakers and their principle of operation.ii. Produce the (1 Dimensional) design of the delta connected three phase faults .iii. Show the three criteria for the selection of a cable for power system distribution network.
2.5.3 A three phase power system has two generator connected in parallel to a transformer and subsequently to a 230 kV transmission line. The ratings for the components are given as below: Generator 1:10 MVA, reactance of 12%. Generator 2: 5 MVA, reactance of 8%. Transformer: 15 MVA, reactance of 6% Transmission line: impedance of 4+j60 2, for which the reactances in percentage are based on the ratings of the respective components. Obtain the reactance and impedance values of the components in the system in percentage, based on 15 MVA and rated voltage of the components.
12.a. You're working on an installation at a patient care facility. You have two panelboards next to eachother that supply the critical and the normal feeder circuits. These two panelboards must be bondedtogether using an insulated copper conductor with a minimum size ofA. AWG 10.B. AWG 6.C. AWG 8.D. AWG 4. 12.b. You're installing an isolated power system in a hospital that'll serve a group of patient care areas. Whichof the following colors must be used for the wire that connects to the terminal at each receptacle that'susually reserved for the neutral conductor?A. Green with a white stripeB. Orange with a distinct stripeC. Red with a black stripe
Explain the role of substations and transformers in power distribution and voltage regulation.
polyphase please answer as soon as possible
The Y/Y connected 3-phase step-up transformer has a rating of 1200 MVA, operating at 33 kV/340 kV and 60 Hz. Its impedance is characterized solely by a reactance of 11.5 percent. Its purpose is to increase the voltage from a generating station in order to supply power to a 340 kV transmission line. Answer the following questions: a) Draw and determine the equivalent circuit of this transformer, per phase, in per-unit. b) Using the per-unit method, determine the generator terminal voltage when the high-voltage (HV) side of the transformer supplies 800 MVA at a power factor of 0.90 with a lagging angle, and the voltage is 360 kV. Hint: Select the nominal voltage as a base voltage, and the nominal power rating as a base power.
b) The general function of the circuit breaker (CB) is to close and open the circuit to be able to remove faults and connect/disconnect objects and parts of electricity network. Describe the failures of circuit breaker and purpose of circuit breaker testing at the substations. c) Figure 3 (c) shows the overview of the high voltage components in the power network. Based on the power network, the 33/11kV power transformer tripped due to high winding temperature above 120 °C. The maintenance personnel are planning to carry out the electrical testing on tripped transformer before proceeding with further remedial action. Using your own words, describe THREE (3) types of electrical testing need to be carried out with technical explanation to verify the condition of tripped transfomer in the power network. Disconnecto Protective elays HV cit Breer Crert aome Caret banslormers HV oirtut breaar Aulary Votage vansformer Daconnector power Figure 3 (c) 卡月
A housing estate is being built and the electrical system for each house from a range of 2 to 20-bedroom houses from single floor apartments to 3 storey buildings are on offer throughout the estate. There are commercial buildings to be constructed for shopping purposes as well. What risks exist and what are the components and methods we use to mitigate these risks both at the substation and at the consumer/ residential side. Describe how these would all fit together.
1.What type of transformers do we use to send power out to our power grid? A. Step Up Transformers. B. High Voltage Transformers. C. High Current Transformers. D. Step Down Transformers.
Connect the wires into a OPEN DELTA configuration .

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