Patent
Apparatus for compensating reactive power in a three-phase network
TLDR
In this paper, an apparatus for compensating for the reactive power in a three-phase network is described, consisting of an uncontrolled rectifier, an intermediate DC link connected to the rectifier and a self-commutating inverter.Abstract:
An apparatus for compensating for the reactive power in a three-phase network. The apparatus includes an uncontrolled rectifier, an intermediate DC link connected to the rectifier, and a self-commutating inverter connected to the DC link and controlled so as to have a pulse-width modulated output.read more
Citations
More filters
Patent
Wind Power Generation Apparatus, Wind Power Generation System and Power System Control Apparatus
TL;DR: In this paper, an interface device transmits a reactive power command depending on a power system from a voltage regulation device of the power system to a wind power generation apparatus electrically connected to the power systems.
Patent
Reactive power compensating apparatus with higher harmonic supressing function
Yoshirou Tanoue,Akira Kawaguchi +1 more
TL;DR: In this article, higher harmonic power components and fundamental wave reactive power components are derived from a load voltage and current, using theory (instantaneous p-q theory) regarding instantaneous real power and instantaneous imaginary power.
Patent
Ac power conditioning circuit
TL;DR: A multi-coil choke for an AC power conditioner includes a magnetic core having first, second and third parallel legs as discussed by the authors, where a first coil wrapped around the first leg terminates in first and second leads at respective ends.
Patent
Reactive power controller
TL;DR: A reactive power controller for controlling a reactive power output from a self-commutated inverter capable of eliminating an uncontrollable reactive power at the starting moment of its operation is described in this paper.
Patent
Air conditioner and control method thereof
TL;DR: In this paper, an air conditioner, having an outdoor unit and an indoor unit, performs a heating operation and a defrosting operation, including a detection unit to detect a state of at least one selected between the indoor unit and the outdoor unit, and to output the detected value.
References
More filters
Patent
Peak load levelling system
Kjell Frank,Kjeld Thorborg +1 more
TL;DR: In this article, a load levelling system for connection to an alternating current network includes an electro-chemical direct current source and line-commutated controllable convertor.
Patent
Circuit for converting dc voltage into three-phase voltage
TL;DR: In this article, two three-phase thyristor inverters, connected in parallel at the input side, are connected together via voltage divider chokes, providing the three outputs of the converter.
Patent
Method and apparatus for generating reactive power
TL;DR: In this article, an improved method and apparatus for generating reactive power in an installation which includes a capacitor bank and two controlled converters connected to an A-C system of at least one phase was presented.
Patent
Converter circuit for generation of asymmetric reactive power
TL;DR: In this article, the phase angle in relation to the AC network voltage of the firing pulses is individually controlled for each of the three groups in dependence upon the deviation of the AC voltage of a point in the network from a reference level.