VSG control in HVDC connected Power system.pptx

1. Presentation title
Virtual synchronous generator in HVDC
connected power system
Name: Jannatul Ferdous Irin
ID: 22-92689-3
Sec: A
Course : High voltage transmission
system

2. Contents
• Introduction
• HVDC System Overview
• HVDC Applications
• HVDC System Model
• Concept of Virtual Synchronous Generator (VSG)
• Virtual Synchronous Generator Controller
• Power system control by HVDC using VSG
• References
• Conclusion
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3. Introduction
HVDC - High voltage direct current
VSG – Virtual Synchronous
Generator
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4. HVDC System Overview
• 1. Consists three blocks
• 2. Two convertors and the dc line
• 3. Transmit electric bulk power over long distance.
4

5. HVDC Applications
• Long distance bulk power transmission
• Cable transmission
• Power delivery to large areas
• Underground cables
• Asynchronous connections.
HVDC with volage source
convertor
Conventional HVDC with current source converters

6. HVDC System Model
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• The inverter controller of the HVDC
system
• Controlled voltage sources
• Convert three-phase AC voltage to DC

7. Virtual Synchronous Generator
Concept
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• VSG characteristics
• VSG application
• Virtual inertia

8. Virtual Synchronous Generator
Controller (VSG)
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1. VSG control rectifier
2. Swing equation of synchronous generator
3. Forces Dc source act like real synchronous generator

9. Power system control by HVDC
using VSG.
1.Proposed HVDC in DC link
2.Speed deviation control grid stabilization
3.Rectifire side converts VSG to act like a synchronous generator
4.VSG keep grid frequency to its nominal value .
12/15/2022 PRESENTATION TITLE 9

10. References :
• file:///E:/New%20folder/Downloads/Telegram%20Desktop/1_102%20(1).
pdf
• file:///E:/New%20folder/Downloads/Telegram%20Desktop/pub_1806%20
(3).pdf
• www.nijotech.com http://dx.doi.org/10.4314/njt.v38i1.20
• file:///E:/New%20folder/Downloads/Telegram%20Desktop/bahrman2008.
pdf
• file:///E:/New%20folder/Downloads/Telegram%20Desktop/IET_Generatio
n_Trans_Dist_2021_Nakamura_Voltage_control_and_virtual.pdf
10

11. Thank you