# Reactive Power Converter

Reactive Power Converter Online Free

High-voltage direct current HVDCHVDC converters use line commutation. This suggests that the initial current is only going to delay in reference to a zero value of the converter bus voltage in AC form. As a result, the bus is connected to a reactive power source.

A reactive source can be used to vary a capacitor in a static system. The response of the reactive power system is dictated by voltage control in dynamic conditions.

If you operate an unstable AC system, then you'll have problems. They're often caused by voltage surges.

Better coordination of the reactive powers from the source is required to simplify the control of the firing angles.

If this feature of the reactive power converter is being applied in modern converters using HVDC, this will continue to increase.

Imagine a simple AC circuit consisting of a power source generating a sinusoidal voltage and a linear load. The instantaneous power is the product of instantaneous current and instantaneous voltage.

(see the animation below):

Formula

where ip is the peak current, up is the peak voltage, ω is the angular frequency, t is the time and φu is the phase shift between the voltage and current.

In a purely resistive load, the current reaches its peak at every point in time and reverses its polarity at every moment. Therefore, for every instant, the energy is stored only in one direction and does not flow at all if both the current and voltage are zero.

The voltage and current in a purely reactive (inductive or capacitive) load are at a 90° angle to each other and the energy flows directly from the source to the load.

If this circuit is connected in parallel to an active circuit, then the circuit that is powered by batteries will be heated by the current flowing through it.

The equipment used for energy generating and transmission (generators, conductors, transformers, and switches) must have a greater size and be more powerful to carry both the active and reactive power, but also the current that is needed to provide the reactive energy.

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As you start to walk on the way, the way appears.-Rumi

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