About Back-to-back voltage source inverter
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About Back-to-back voltage source inverter video introduction
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6 FAQs about [Back-to-back voltage source inverter]
What is a back-to-back inverter?
A back-to-back configuration often involves a grid-tied rectifier, which controls the DC bus voltage to which an inverter is connected. The output of this inverter is then wired to a controlled load, which may be a variable-speed drive, a grid of another frequency, or any other load which couldn’t be connected directly to the original grid.
What is a back-to-back converter?
This research was funded by scientific research project of Shanghai Investigation, Design & Research Institute Co., Ltd (2021QT (831)-001). The back-to-back converter is a converter system composed of two voltage source converters (VSC). Because VSC can regulate the output of active and reactive power, the back-to-back converter has a
What is a voltage source converter in a BTB?
The converters in the BtB are identified as voltage-source converter #1 (VSC 1) and voltage-source converter #2 (VSC 2). One possible mode of operation is to control the VSC 1 to draw energy from the AC subsystem #1 into the common DC link, and to control the VSC 2 to inject that amount of energy in the AC subsystem #2.
How to control the output of an inverter?
Firstly, different control strategies are usually used to control the output of the inverter to solve the asymmetry problem caused by the three-phase asymmetric load when the back-to-back converter supplies power to the load. Common control strategies include d / q instantaneous control and symmetrical component component control.
What is the inverse system model of back-to-back converter?
In reference , the inverse system model of back-to-back converter is established by state feedback internalization. Based on the sliding mode variable structure control theory, a new type of controller that back-to-back converter supply to the passive network is established. However, the above research is not systematic.
What are the control objectives of a back-to-back converter?
And according to the actual situation of back-to-back converter supplying power to three-phase asymmetric passive network, this article analyzes the control objectives of the rectifier side and the inverter side of back-to-back converter, respectively. For the rectifier side converter, the main purpose is to achieve a constant DC voltage.