Abstract
Different contingencies in DC grid such as converter outages lead to a current imbalance and consequently give rise to DC link voltage variations. Due to voltage variations in DC link, in particular, DC link voltage exceeding link capacity may lead damage to the link. This paper proposes DC link voltage control technique in two-phase rotating co-ordinate system. The control system is based on a fast inner current control loop controlling the AC current and the outer control loop controlling the DC link voltage. Measured DC link voltage is compared with reference DC voltage and passed through proportional integral (PI) controller which gives reference direct axis current. Real time digital simulation has been performed to validate the proposed controller.
| Original language | English |
|---|---|
| Title of host publication | 2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Print) | 9781538627563 |
| DOIs | |
| State | Published - 27 Aug 2018 |
Publication series
| Name | 2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017 |
|---|
Bibliographical note
Publisher Copyright:© 2017 IEEE.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
-
SDG 7 Affordable and Clean Energy
Keywords
- DC link voltage
- HVDC
- Pulse with modulation
- Real time digital simulator
- Voltage source converter (VSC)
ASJC Scopus subject areas
- Computer Networks and Communications
- Signal Processing
- Information Systems and Management
- Media Technology
- Instrumentation
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