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

In communication channels transmitted signal is propagated

In communication channels, transmitted signal is propagated simultaneously by several paths of varying lengths. This causes the signal to reach the destination with varying time delays and varying gains. Such a system ge ...

A bandpass signal has bandwidth of 5 khz centered at fc 20

A bandpass signal has bandwidth of 5 kHz centered at fc = 20 kHz. Determine the permissible ranges of sampling frequency so that the original signal can be recovered from its samples. Redo the problem if the frequencies ...

Figure 3012 shows a router using fifo queuing at the input

Figure 30.12 shows a router using FIFO queuing at the input port. The arrival and required service times for seven packets are shown below; ti means that the packet has arrived or departed i ms after a reference time. Th ...

1 how would you use amperes circuital law in differential

1. How would you use Ampere's circuital law in differential form to find the magnetic field adjacent to the current sheet? 2. If the current density on the infinite plane current sheet of Figure 4.2 were directed in the ...

1 what is a boundary condition how do boundary conditions

1. What is a boundary condition? How do boundary conditions arise and how are they derived? 2. Summarize the boundary conditions for the general case of a boundary between two arbitrary media, indicating correspondingly ...

1 what is an anisotropic dielectric material2 when can an

1. What is an anisotropic dielectric material? 2. When can an effective permittivity be defined for an anisotropic dielectric material? 3. Briefly describe the phenomenon of magnetization. 4. What is a magnetic dipole? H ...

Consider a deformation of a rectangular bar whose deformed

Consider a deformation of a rectangular bar whose deformed geometry is given as x 1 = αX 1 , x 2 = βX 2 , x 3 = βX 3 When the material is incompressible and St. Venant-Kirchhoff material properties are given as E = 600 M ...

A determine the magnitude of the x and y components of the

(a) Determine the magnitude of the x and y components of the force exerted on the fixed blade shown by a 3-ft 3  /s jet of water flowing at 25 fps. (b) If the blade is moving to the right at 15 fps, find the magnitude an ...

Suppose a pv module has the 1-sun i-v curve shown below

Suppose a PV module has the 1-sun I-V curve shown below. Within the module itself, the manufacturer has provided a pair of bypass diodes to help the panel deliver some power even when many of the cells are shaded. Each d ...

Instructions calculate the circuits by filling in all the

Instructions: Calculate the circuits by filling in all the blanks. 1. Et = 24 volts It = ______ amps Rt = ______ ohms 2. Et = 24 volts It = ______ amps Rt = ______ ohms 3. Et = 12 volts It = ______ amps Rt = ______ ohms ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen