1 / 20

Electrical distribution systems

Electrical distribution systems. Text books: Electrical distribution systems by turan gonen, electrical power distribution by A.S Pabla . Presented by J RAVINDRANADH M-tech (power systems Electrical engineer (seimens) ). Transmission system. Power plant. Distribution system.

arthura
Download Presentation

Electrical distribution systems

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Electrical distribution systems Text books: Electrical distribution systems by turan gonen, electrical power distribution by A.S Pabla. Presented by J RAVINDRANADH M-tech (power systems Electrical engineer (seimens) )

  2. Transmission system Power plant Distribution system Generator GT 220 KV Distribution Step down transformer 10.6 KV

  3. This subject deals with • 1) GENERAL CONCEPTS. • 2) DISTRIBUTION FEEDERS. • 3) SUBSTATIONS. • 4) SYSTEM ANALYSIS. • 5) PROTECTION. • 6) COORDINATION. • 7) COMPENSATION FOR POWER FACTOR IMPROVEMENT. • 8) VOLTAGE CONTROL.

  4. 1) GENERAL CONCEPTS. • Load modelling and characteristics. • Coincidence factor. • contribution factor. • loss factor - Relationship between the load factor and loss factor. • Coincidence factor. • Classification of loads (Residential, commercial, Agricultural and Industrial) and their characteristics.

  5. DISTRIBUTION FEEDERS • Design Considerations • voltage levels. • feeder loading. • basic design practice of the secondary distribution system.

  6. SUBSTATIONS • Benefits derived through optimal location of substations • Rating of distribution substation

  7. SYSTEM ANALYSIS • Voltage drop and power-loss calculations • Derivation for voltage drop and power loss in lines • Manual methods of solution for radial networks. • Three phase balanced primary lines.

  8. PROTECTION • Objectives • Distribution system protection. • Types of common faults and procedure for fault calculations. • Protective Devices • Principle of operation of Fuses. • Circuit Reclosures. • line sectionalizes. • Circuit breakers.

  9. COORDINATION • Coordination of Protective Devices. • General coordination procedure.

  10. COMPENSATION FOR POWER FACTOR IMPROVEMENT • Power factor correction. • capacitor allocation - Economic justification - Procedure to determine the best capacitor location. • Capacitive compensation for power-factor control. •  Different types of power capacitors. • shunt and series capacitors. • effect of shunt capacitors (Fixed and switched)

  11. Contd.. • Power factor correction, capacitor allocation - Economic justification - Procedure to determine the best capacitor location.

  12. Voltage Control • Equipment for voltage control. • Effect of series capacitors. • Effect of AVB/AVR. • line drop compensation

  13. Objectives • To improve performance. • Design and Planning. • Better Operation and maintenance. • To reduce transmission losses. • To improve system efficiency. • Improve quality of power to customer. • Load modelling, better load dispatch • Load growth calculation in service areas • load forecasting. • Automation development. • Protection of whole system etc…

  14. Questions ????

  15. Thank you

More Related