Question: A 2400V line-to-line three-phase source supplies two parallel loads. The system power base is 300kVA. Load 1 (power) = 300kVA, 0.8 pf lagging Load 2

A 2400V line-to-line three-phase source supplies two parallel loads. The system power base is

300kVA.

Load 1 (power) = 300kVA, 0.8 pf lagging

Load 2 (power) = 240kVA 0.6 pf leading

Calculate the following;

(a) The circuit values in per unit form and draw the corresponding positive sequence network

(b) Find Phase-A current supplied by the source in question (a)

Step by Step Solution

★★★★★

3.46 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To solve this problem we need to address the calculations in a logical order Lets break down each part with detailed steps Part a Circuit Values in Pe... View full answer

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!

A manufacturer is considering alternatives for building new plants, to be located closer to three of its primary customers with whom it intends to develop long-term, sole-supplier relationships. The...

Two loads connected in parallel draw a total of 2.4 kW at 0.8 pf lagging from a 120-V rms, 60-Hz line. One load absorbs 1.5 kW at a 0.707 pf lagging. Determine: (a) The pf of the second load, (b) The...

A 120-V rms 60-Hz source supplies two loads connected in parallel, as shown in Fig. 11.89. (a) Find the power factor of the parallel combination. (b) Calculate the value of the capacitance connected...

A -connected source supplies power to a Y-connected load in a three-phase balanced system. Given that the line impedance is 2 + j1 per phase while the load impedance is 6 + j4 per phase, find the...

Damage to the equipment due to abnormally large and unbalanced currents and low voltages produced by the short circuits Explosions may occur in the equipments which have insulating oil, particularly...

(i) Write down the linear program relaxation for the vertex cover problem and solve the linear program. [6 marks] (ii) Based on the solution of the linear program in (b)(i), derive an integer...

5.5 - Discussion: Current Assets 1 Financial Statements AnalysisDirections Using the Annual Report of your selected company (WALMART) answer the following questions in the Discussion: What is the...

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

Using the Annual Report of your selected company (WALMART), answer the following questions in the Discussion: What is the value of the company's inventory at year end? What was the amount of cost of...

6.4 - Discussion: Investments No unread replies. No replies. Financial Statements AnalysisDirections Using the Annual Report of your selected company answer the following questions in the Discussion:...

Ben Ten Limited (BTL) is a new company and management are trying to deciue on a financing structure. They want to raise $10.000.000. They were offered the following option Fund 40% of the firm with...

Your supplier offers terms of 1/10, net 45. What is the effective annual cost of trade credit if you choose to forgo the discount and pay on day 45?

Pulmonary rehabilitation is a multidisciplinary service available allowing for whole person achievement of independence, well - being, and functioning in their disease process and life. True Fatse

A ring of charge with radius 0.5 m has gap of width 0.002 TEm. If the ring carries a charge of 3.14HC, the electric field at the centre of the ring is nearly 226 NC 154 NC- 3756 NC- 624 NC

A dielectric sphere of radius Ris uniformly charged with a volume charge density P. At a distance r from the centre of the sphere, the electric field E varies as - for r R - r r for r...

4 -2 -5 -9 2. Represent 11'11'11 on the number line.

Determine the currents 1= A 12 = A and the voltage V1= V (answer for I2 has 2 decimal places) 12 I, I, 12 Q 372 E= 15 V V,

AS CONCEPTUAL UNDERSTANDING 1. What would be the final temperature of a mixture of 50g of water at 20C temperature and 50g of water at 40C temperature ? (T-Q.) (2 Marks)

Accountants professional accountability discuss strong governance and accountability for performance

A balanced three-phase circuit has the following characteristics: The circuit is Y-A connected. Source phase sequence is negative The line (line-to-line) source voltage is Vea = 220/10 V, The...

Under balanced operating conditions, consider the three-phase complex power delivered by the three-phase source to the three-phase load. Match the following expressions, those on the left to those on...

3) There is a balanced three-phase load RL (R1 = R2 = R3 = 1000, X/1 = XL2 = XL3 = 300 2.) connected in delta and powered by a three-phase source, with neutral line voltage, 120V through a...

A four-pole squirrel-cage motor has the following characteristics: Power input at a rated load is 4200 W with a power factor of 0.60. Rated speed is 1150 rpm. Resistance of each stator windings...

The figure shows a three - phase Y motor connected to a line - to - line voltage source ( 2 0 7 . 8 5 V ) through a line impedance of \ ( ( 2 + 4 \ mathrm { j } ) \ ) ; the motor impedance is \ ( 3 0...

Part 2 Simulate the above motor in MATLAB SIMULINK. Create a blank model, then add an "Asynchronous Machine (SI Units)', a "Three-Phase Source", a "Bus Selector", a "Powergui", as well as scopes. In...