NDLI: Self-capacitor voltage balancing method for optimally hybrid modulated cascaded H-bridge D-STATCOM

Content Provider	IET Digital Library
Author	Vural, Ahmet Mete
Abstract	A hybrid modulation (HM) for cascaded H-bridge converters is suggested which is a fusion of selective harmonic elimination (SHE) and carrier based bipolar pulse width modulation. It differs from its counterparts in the sense that only one triangular carrier for all H-bridges is used as opposed to multi-triangle waveform set and only one level of capacitor voltage and single type of semiconductor are considered. HM eliminates calculating and storing offline delay angles for each modulation index as in case of SHE. A novel self-voltage balancing mechanism is also proposed for HM which is based on strategically swapping redundant switching states. This mechanism is free from voltage sorting, current measurement, extra circuitry, or additional controllers. The comparison with phase and level shift pulse width modulation schemes reveal that the HM has 15% more DC voltage utilisation, and lower harmonic content for wide interval of modulation index. Moreover, HM has low semiconductor losses, as low as 0.55%. The tests on 1500 kVAR distribution static synchronous compensator shows that HM generates only 4% voltage ripple at the cost of few increase in average switching frequency. Voltage and reactive power balancing in each phase are also established with high power efficiency.
Starting Page	2731
Ending Page	2740
Page Count	10
ISSN	17554535
Volume Number	9
e-ISSN	17554543
Issue Number	Issue 14, Nov (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/9/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2016.0256
Journal	IET Power Electronics
Publisher Date	2016-11-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Carrier Based Bipolar Pulse Width Modulation Distribution Static Synchronous Compensator Harmonics Suppression Optimally Hybrid Modulated Cascaded H-bridge D-STATCOM Other Power Apparatus And Electric Machine Power Conversion Harmonics Power Converter Power Supplies to Apparatus Reactive Power Reactive Power Balancing Redundant Switching State Selective Harmonic Elimination Self-capacitor Voltage Balancing Method Self-voltage Balancing Mechanism Static VAr Compensators Strategically Swapping Switching Converter Voltage Balancing
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Design and control of a STATCOM based on hybrid cascaded H-bridge and full-bridge neutral point clamped multilevel inverter

State feedback control strategy and voltage balancing scheme for a transformer-less STATic synchronous COMpensator based on cascaded H-bridge converter

Research on a novel STATCOM based on hybrid cascaded multi-level converter and its coordination control strategy

Control scheme for cascaded H-bridge converter-based distribution network static compensator

Individual Voltage Balancing Strategy for PWM Cascaded H-Bridge Converter-Based STATCOM

Minimum switching loss pulse width modulation for reduced power conversion loss in reactive power compensators

Reduced-Capacitance Thin-Film H-Bridge Multilevel STATCOM Control Utilizing an Analytic Filtering Scheme

Third-order harmonic currents suppression method based on selective component compensation for cascaded H-bridge STATCOM under asymmetric grid

Improved post-fault operation strategy for a cascaded H-bridge based STATCOM

Self-capacitor voltage balancing method for optimally hybrid modulated cascaded H-bridge D-STATCOM

Similar Documents

Design and control of a STATCOM based on hybrid cascaded H-bridge and full-bridge neutral point clamped multilevel inverter

State feedback control strategy and voltage balancing scheme for a transformer-less STATic synchronous COMpensator based on cascaded H-bridge converter

Research on a novel STATCOM based on hybrid cascaded multi-level converter and its coordination control strategy

Control scheme for cascaded H-bridge converter-based distribution network static compensator

Individual Voltage Balancing Strategy for PWM Cascaded H-Bridge Converter-Based STATCOM

Minimum switching loss pulse width modulation for reduced power conversion loss in reactive power compensators

Reduced-Capacitance Thin-Film H-Bridge Multilevel STATCOM Control Utilizing an Analytic Filtering Scheme

Third-order harmonic currents suppression method based on selective component compensation for cascaded H-bridge STATCOM under asymmetric grid

Improved post-fault operation strategy for a cascaded H-bridge based STATCOM

Self-capacitor voltage balancing method for optimally hybrid modulated cascaded H-bridge D-STATCOM