What is the difference between voltage source and current source inverter?

What is the difference between voltage source and current source inverter?

As their names imply, current source inverters are fed with constant current, while voltage source inverters are fed with constant voltage. Consequently, the output of a CSI drive is adjustable, three-phase AC current, while a VSI drive produces three-phase AC voltage with adjustable magnitude and frequency.

What is the difference between voltage source and current source?

In other words, the source is an active network element meant for generating electrical energy. The various types of sources available in the electrical network are voltage source and current sources. A voltage source has a forcing function of emf whereas the current source has a forcing function of current.

What is VSC and CSC?

classic single-phase voltage-source converter (VSC) and current-source converter (CSC) with active power decoupling circuits are shown in Fig.

How does a voltage source converter work?

It will use an HVDC transmission technology as an underground cable: the AC Grid together with the DC transmission line will increase cross-border electricity flows. The HVDC link requires a converter station positioned at each end of the line providing the switch from AC to DC, for which a VSC is implemented.

What is the current source inverter definition?

Definition: The current source inverter converts the input direct current into an alternating current. The current source inverter is also called current fed inverter. The output voltage of the inverter is independent of the load. The magnitude and nature of the load current depends on the nature of load impedance.

What is the example of current source?

The output part of the simple current mirror is an example of such a current source widely used in integrated circuits. The common base, common gate and common grid configurations can serve as constant current sources as well. A JFET can be made to act as a current source by tying its gate to its source.

What is difference between VSC and CSC?

Current-Source Converter (CSC) is a converter in which the DC-side current maintains the same po- larity; therefore, the direction of power flow is ad- justed by the DC-side voltage polarity. Voltage-Source Converter (VSC), in contrast, keeps the same voltage polarity.

What is current source inverter?

The current source inverter is also known as current fed inverter which converts the input dc into ac and its output can be three-phase or single phase. According to the definition of the current source, an ideal current source is the kind of source in which current is constant and it is independent of voltage.

What are the applications of voltage source converter?

Converter: operating as rectifier i.e. AC to DC conversion, or as an inverter working as DC to AC conversion. DC Capacitor: In VSC HVDC, the energy storing device is a capacitor. Phase Reactor: It assists in the control of both active and reactive power.

How a voltage source converter allows bidirectional current flow?

the bidirectional power in a VSI is possible. the power from ac to dc side cannot be controlled and it is done via the parallel diodes in the VSI. moreover, the voltage at the dc side is getting reversed not the direction of the current. in the VSI converters, the current flow is only from dc to ac side.