Question: A main switch board is supplied from a 2 2 ? ? 0 . 4 k V , 2 , 0 0 0 kVA transformer

A main switch board is supplied from a 22??0.4kV,2,000kVA transformer with an impedance of 6%. The impedance of LV cables to the main switchboard is 0.0005+j0.0012. The fault level at the intake point at 22 kV is 1,000MVA, calculate the fault current at main switch board. (12 marks)
A main switch board is supplied from a 2 2 ? ? 0

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Electrical Engineering Questions!

Q:

Q2. 0 A 6.6KV Main Switch Board of a factory receive 6.6KV supply from Power Grid. The Contract Capacity is at 1500 kW. The table below shows the kWh meter readings of a typical day of the factory in...

Q:

Private house owner is planning PV system roof top installation. System dimensioning should fulfill following SENER regulations: Grid voltage should not change more than 4 % at connection point...

Q:

Question 1: A single-phase, full-bridge diode rectifier fed from a 230 V, 50 Hz sinusoidal source supplies a series combination of finite resistance, R, and a very large inductance, L. The two most...

Q:

Whenever a lab asks you to assemble a circuit, and measure some quantities, implement (capture) the circuit in MultiSim, and use its simulation tools to gather the measurements. Rectification is the...

Q:

1.A single-phase inverter is fed from a 100 V dc source and is controlled using a quasi-square wave modulation scheme to produce an output waveform, v(t), as shown. The angle is adjusted to entirely...

Q:

ret Electricity consumers are supplied with electricity from an electricity generating station. Electricity is distributed from the station to the various consumers through a network of transformers...

Q:

Discuss they types of formal organisation of communication and explain the general purpose of each type. 5.Explain the terms operational management as well as major managerial activities involved in...

Q:

1.What is organisational communication? 2.How important is communication to mangers? 3. List and describe micro and macro barriers of effective communication 4.Discuss they types of formal...

Q:

Write a program that takes one number from the OUSB Board DIP switches and a second number from the command line arguments as input numbers to your program. The program will then perform a specific...

Q:

For this programming assignment we are going to develop a two player python program for the game of Tic-Tac-Toe. Tic-Tac-Toe is traditionally a paper and pencil game played with two players, where...

Q:

The process descriptions, process flow diagrams, and technical data for processes used commercially in 38 chemical industries. For each of the following processes, draw a block-flow diagram of just...

Q:

Allied Merchandisers was organized on May 1. Macy Co. is a major customer (buyer) of Allied (seller) products. 3 Allied made its first and only purchase of inventory for the period on May 3 for 2,000...

Q:

Which of the following allocations is most likely to meet the substantial test in the substantial economic effect rules? ( A The ROY LLC specially allocates $ 2 0 , 0 0 0 of income each year to...

Q:

Power Ridge Corporation has forecast credit sales for the fourth quarter of the year as follows: September (actual) $69,000 Fourth Quarter October November December $59,000 54,000 79,000 Experience...