100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
CHAPTER 18 QUESTIONS AND ANSWERS WITH SOLUTONS 2024 $14.49   Add to cart

Exam (elaborations)

CHAPTER 18 QUESTIONS AND ANSWERS WITH SOLUTONS 2024

 6 views  0 purchase
  • Course
  • Solution Manual
  • Institution
  • Solution Manual

CHAPTER 18 QUESTIONS AND ANSWERS WITH SOLUTONS 2024

Preview 2 out of 9  pages

  • August 29, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Solution Manual
  • Solution Manual
avatar-seller
Performance
CHAPTER 18 QUESTIONS AND
ANSWERS WITH SOLUTONS 2024
Power Generation and transmission - ANSWER Power Station

- Houses equipment to generate electricity

- 1 Megawatt (MW) = 1,000,000 W

- Power is generated between 2.4 kV and 13.2 kV

- Transmission over power lines 115kV to 765 kV, with

1100 kV being explored

Power Substation

- Reduces transmission voltages to safer distribution

levels



Generation and Transmission - ANSWER Distribution lines:

- 4160 V, 4800 V, 6900 V, or 13.2 kV

Distribution Transformer (USA and Canada):

- 120/240 V single phase

- 120/208 V three phase

- 480Y/277 V three phase



Building Electrical Service Equipment - ANSWER Service Entrance Conductors

- Service drop (overhead)

- Service lateral (underground)

Service Entrance Equipment

- Electric Meter

- Service disconnect



Switchboards - ANSWER Large cabinet or assembly of metal cabinets

Typically floor mounted

, Access usually through front or rear

Includes disconnect switches, overcurrent

protection devices (OCP), other protective

devices and instruments

Designed to divide large amounts of electrical

current into smaller amounts of current used by

electrical equipment

Rated at 1200-6000 A, and voltages below 600 V



panelboards - ANSWER One or more metal cabinets that serve as a

single unit

Includes buses, automatic OCPs

Equipped with or without switches for the control

of light, heat, and power circuits

Placed in or against a wall or partition that is

accessible from the front

Load center is a panelboard containing a

preassembled disconnect and the necessary

circuit breakers



Building transformers - ANSWER Used in transmitting and distributing power from

the power plant to a substation

Change voltage, current, and phase of electrical

power

Nearby and within a building

Rated in kVA

Typical ratings used in buildings: 3, 6, 9, 15, 25,

30, 37.5, 45, 50, 75, 112.5, 150, 225, 300, 500,

750, 1000, 1500 kVA and larger

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Performance. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

79271 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$14.49
  • (0)
  Add to cart