Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

Task: Protection

Do all required settings to protect a given transmission line shown in figure below:

671_protection-power plant.jpg

Figure: Layout of a given power system

Instructions:

1) Compute the setting of all current transformers.

2) Complete the wiring of relays following to the given instruction in MCCG manual (attached).

3) Compute and do the setting of relays using the given instructions:

a) Use the inverse curve.
b) Use relay1 as the primary protection, relay to as the backup protection and relay3 as the secondary backup protection device for potential faults on the transmission line.
c) Consider 0.2s delay as the interruption delay and 0.1s as the marginal delay between protection steps.

Task: Fault computation and interruption capacity

Consider the power system described in figure and table shown below and do the given tasks:

1445_power system.jpg

Figure: A given power system with one generators and 5 transmission lines.

Table:

2254_fault calculation.jpg

Instructions:

Consider transient impedances are 80% of nominal impedances of generators in the given system. The base power is 100MWA.

Do the given tasks:

1) Point out and label the location of all circuit breakers and disconnects in the circuit.

2) Compute the current ratings and interruption capacity of all switches.

3) Suppose a single phase ground fault takes place in Bus 3.

4) List the required protection actions, referring to the name of circuit breakers and disconnects

5) Compute the fault current.

6) Suppose a two phase fault-ground takes place in Bus 2.

7) List out the required protection actions, referring to the name of circuit breakers and disconnects.

8) Compute the fault current.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M93400

Have any Question? 


Related Questions in Electrical & Electronics

1 find the unit vector normal to the plane then find the

1. Find the unit vector normal to the plane . Then find the distance from the origin to the plane. 2. Write the expression for the differential length vector dl at the point (1, 2, 8) on the straight line and having the ...

1 in internet telephony explain how a call from alice can

1. In Internet telephony, explain how a call from Alice can be directed to Bob when he could be either in his office or at home? 2. Do you think H.323 is actually the same as SIP? What are the differences? Make a compari ...

In the system shown in figure 753 a passive nonlinear

In the system shown in Figure 7.53, a passive nonlinear element having the indicated volt-ampere characteristic is connected to an initially charged line at t = 0. Find the voltage across the nonlinear element immediatel ...

1 a 15 v aa battery that costs 1 is rated at 18 ah what is

1. A 1.5 V AA battery that costs $1 is rated at 1.8 Ah. What is its cost per kWh? 2. Suppose a 12-V battery bank rated at 200 Ah under standard conditions needs to deliver 600 Wh over a 12-h period each day. If they oper ...

1 discuss the relationship between b and h for a

1. Discuss the relationship between B and H for a ferromagnetic material. 2. Summarize the constitutive relations for a material medium. 3. What is the propagation constant for a material medium? Discuss the significance ...

Make an analytical model of a tornado using an irrotational

Make an analytical model of a tornado using an irrotational vortex (with velocity inversely proportional to distance from the center) outside a central core (with velocity directly proportional to distance). Assume that ...

1 discuss the evolution of the half-wave dipole from an

1. Discuss the evolution of the half-wave dipole from an open-circuited transmission line. 2. Justify the approximations involved in evaluating the integrals in the determination of the radiation fields due to the half-w ...

Determine the nyquist sampling rate and the nyquist

Determine the Nyquist sampling rate and the Nyquist sampling interval for the signals a. sinc 2 (100πt) b. 0.01 sinc 2 (100πt) c. sinc(100πt) + 3 sinc 2 (60πt) d. sinc(50πt) sinc (100πt)

You will write a paper about electrical engineering

You will write a paper about electrical engineering standards as they apply to communications. The topical coverage may be as specific or as broad as you want. You may choose any particular communications standard to wri ...

An output interface in a switch is designed using the leaky

An output interface in a switch is designed using the leaky bucket algorithm to send 8000 bytes/s (tick). If the following frames are received in sequence, show the frames that are sent during each second. ? Frames 1, 2, ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro