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Photonic integration technology that will enable the development of transceivers interfacing the optical and wireless interfaces in future 5G networks, along with preliminary results from our system testbeds are presented. The technology is developed within the framework of H2020-ICT-HAMLET project.
This paper discusses the challenges towards the realization of the integrated microwave photonic beamformer based on hybrid integration between InP and TriPleX Si3N4/SiO2.
Weak power supply networks are very sensitive to non-linear low power loads. Electronics in low power loads are non-linear, very basic, and consisting of a rectifier bridge and bulk capacitor, consuming current only in the peak of the supplied voltage. Due to the relative high power supply network impedance the waveform of the supplied voltage is heavily distorted. In this paper the effect of energy...
Power networks and installed equipment onboard of naval ships are required to meet military standards. However, technology in the commercial market grows very fast and the use of Commercial Off The Shelf (COTS) products is economically interesting although they are often not certified against required military standards. To justify the use of COTS regarding power quality, the interaction between the...
The number of power distribution user networks feeding energy efficient equipment is growing. The situation is becoming even more complex with the introduction of distributed generation. The network connects non-linear electronic loads, as well as sources. We investigated the effect of such a source, a photovoltaic converter on the voltage quality. These results have been listed and compared to measurements...
Non-linear loads are replacing all linear loads while no emission limits are defined for low power devices such as energy saving lighting. The widespread use of lighting equipment results in high harmonic distortion of the power distribution network. This paper presents the emissions of an installation of many energy saving lights and the effect of emission of energy saving lights in general on the...
In modern buildings virtually all electric loads are non-linear. Neither the applicable standards for supply of electrical energy nor those for consumption of electrical energy take into account the replacement of linear loads by non-linear loads. Low power equipment is exempted in standards assuming that all other (linear) loads dominate the power quality. In modern buildings there is a huge number...
An analysis of current transients caused by voltage notches in an industrial plant is presented in the paper. The source of current transients in the factory lighting was traced to the operation of the nearby six-pulse AC/DC converter. Because of the short duration of the phenomenon, it was not possible to determine if there is a parallel resonance using a standard power quality analyzer. To determine...
In modern buildings virtually all electric loads are non-linear. The applicable standards for consumption of electrical energy do not take into account the replacement of linear loads by non-linear loads. The exemptions made in those standards for low power devices, and the widespread use of such devices result in a high harmonic distortion of the power distribution network. This paper presents the...
This paper reports the design, fabrication and the characterization of an integrated optical filter for an FM discriminator. The filter is based on optical ring resonator structures which are fully reconfigurable using thermo-optical tuning. The desired characteristic, which is a linear slope with zero in a particular region, is demonstrated. This characteristic is needed in a high performance microwave...
An experimental investigation of diversity factors for CFLs (compact fluorescent lamps) in combination with LED (light emitting diode) lamps is presented in this paper. Diversity factors were calculated for different configurations of lamps connected to the same feeder in one phase. It was found that the presence of LED lamps with a high apparent power input can lead to considerable damping of harmonics...
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