Leisure accommodation vehicles. 12 V direct current extra low voltage electrical installations

Nowadays low voltage distribution network is considered as worldwide future generation distribution network. But the major concern is harmonics generation and steps taken to cancel those harmonics. In our proposed work, low voltage distribution network is designed with low voltage and harmonics are cancelled in our method. The combination of current control unit and voltage control unit will give extra reliable power solution to increase the required capacity of low voltage grids. The high voltage protection gears are used in worst environment for low voltage and low current distribution network test is preferable to assess a variety of operation uniqueness. Therefore, it has few restrictions in implementation of economic in addition to process methodologies. In our work a 48V direct current base up-scale low voltage distribution network test is urbanized to allow the copy and surveillance of a variety of phenomenon of direct current distribution networks. The proposed system provide stretchy pattern ability by introduce S-connectors and T-connectors module that will be proscribed distantly, and near real time monitor function through by means of a data acquisition system associated toward the nodes. Each connector be able to calculate Power, Voltage and current with up to 250 kHz frequency. To calculate power quality and to understand the performance of the distribution network, frequency analysis is required along with collected data.

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The Autonomous Battery-Powered House, Which Energized Through a Solar Power and Reused Hybrid Vehicle Batteries Under Extra Low Voltage Direct Current Installation

10.1007/978-981-16-4412-2_14 ◽

2021 ◽

pp. 169-181

Author(s):

H. N. Hikkaduwa

Keyword(s):

Direct Current ◽

Solar Power ◽

Low Voltage ◽

Hybrid Vehicle

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Decentralized Load Sharing in a Low-Voltage Direct Current Microgrid With an Adaptive Droop Approach Based on a Superimposed Frequency

IEEE Journal of Emerging and Selected Topics in Power Electronics ◽

10.1109/jestpe.2017.2674300 ◽

2017 ◽

Vol 5 (3) ◽

pp. 1205-1215 ◽

Cited By ~ 34

Author(s):

Saeed Peyghami ◽

Hossein Mokhtari ◽

Frede Blaabjerg

Keyword(s):

Direct Current ◽

Low Voltage ◽

Load Sharing

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Experimental Investigation of the Prestrike Characteristics of a Double-Break Vacuum Circuit Breaker under DC Voltages

Energies ◽

10.3390/en13123217 ◽

2020 ◽

Vol 13 (12) ◽

pp. 3217

Author(s):

Yun Geng ◽

Xiaofei Yao ◽

Jinlong Dong ◽

Xue Liu ◽

Yingsan Geng ◽

...

Keyword(s):

Experimental Investigation ◽

Direct Current ◽

Experimental Work ◽

Low Voltage ◽

Circuit Breaker ◽

Circuit Breakers ◽

Vacuum Circuit Breaker ◽

In Series ◽

The Difference ◽

Single Break

The prestrike phenomenon in vacuum circuit breakers (VCBs) is interesting but complicated. Previous studies mainly focus on the prestrike phenomenon in single-break VCBs. However, experimental work on prestrike characteristics of double-break VCBs cannot be found in literature. This paper aims to experimentally determine the probabilistic characteristics of prestrike gaps in a double-break VCB consisting of two commercial vacuum interrupters (VIs) in series under direct current (DC) voltages. As a benchmark, single-break prestrike gaps were measured by short-circuiting one of the VIs in a double break. The experimental results show that the 50% prestrike gap d50 of each VI in a double break, which is calculated with the complementary Weibull distribution, was significantly reduced by 25% to 72.7% compared with that in a single break. Due to the voltage-sharing effect in the double-break VCB, scatters in prestrike gaps of each VI in a double break was smaller than that in a single break. However, without the sharing-voltage effect, d50 of the low-voltage side in the double break was 65% higher than that of the same VI in the single break, which could be caused by the asynchronous property of mechanical actuators, the difference of the inherent prestrike characteristics of each VI and the unequal voltage-sharing ratio of VIs.

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