Electricity Transmission Under South China Sea by Suspending Cables Within Pipes

Karunakaran, Prahobh; Osman, Mohd Shahril; Karuppanna, V.; Cheng, Sung Chee; Lee, Man Djun; Richard, Aurial; Lau, Aks

doi:10.1109/incet49848.2020.9154119

Cited by 6 publications

(4 citation statements)

References 15 publications

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“…The LEA tried to develop a switchgear switching system with similar basic concepts as this research but using an electric motor. It was not powerful enough to pull the 11kV Lucy brand OCB's lever [17]. Therefore, either the coiling of the motor must be designed to handle such force, or a variable frequency drive (VFD) must be used to control the motor's force.…”

Section: Methodsmentioning

confidence: 99%

“…This is because it is the switching that causes the ionization. It must be noted that all ions, even for the best insulator atoms, are good conductors [17]. SF6 has been found to be one of the best materials to blow onto the arc because the bonds between the sulfur atom and the six fluorine atoms are one of the strongest in nature.…”

Section: Litreature Reviewmentioning

confidence: 99%

“…For a new housing estate, a contractor stated that a RMU cost MYR5 million including equipment, land area and LEA fees. Comparatively a 1 X 1 m of electronics will be very much cheaper [17].…”

Section: Litreature Reviewmentioning

confidence: 99%

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A System to Ensure Safety while Switching High Voltage Switchgears

2022

BJoST

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Normally high voltage switchgears are well-built, but accidents do occur and when that happens the consequences are high in terms of fatalities as well as damaging big sections of electrical systems. It is therefore imperative that such switching should be done from a safe distance away. The local electrical authority did try to build such a system with an electric motor, but it failed to pull the lever of the Lucy brand 11kV switchgear which is the most common one used in Sarawak. In this research an electropneumatic system was built to successfully pull the 11kV switchgear handle down as well as up. It was later adapted to rake-in and rake-out a 33kV VCB switchgears and also trigger a push-button to simulate triggering such types of switchgear. The developed system allows all these operations to be done from 25 m away. The push-button types look safe, but the mechanical systems of breaking are still the same within it; faulty mechanisms can still cause arcs which can shoot out through the thin panel and injure the personnel.

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Section: Methodsmentioning

confidence: 99%

Section: Litreature Reviewmentioning

confidence: 99%

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A System to Ensure Safety while Switching High Voltage Switchgears

2022

BJoST

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“…But the Netherlands which has a land area of only 41,543 km² is currently the second largest exporter of food on earth after the USA [20]. Comparatively, Sarawak, Malaysia is just one of Malaysia's 13 states (albeit the largest) has three times the land area at 124,450 km² [21]. But most of humanity on earth cannot even point out Malaysia on the world map, therefore many less would be able to point out the Netherlands on the world map, though she is much more famous for various historic reasons.…”

Section: Literature Reviewmentioning

confidence: 99%

The use of IoT to solve Farming Problems

Karunakaran¹,

Karunakaran²,

Osman³

et al. 2022

AJCT

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As with every other field, IoT is moving into farming, providing plants with the right amount of water, nutrients, sunlight and heat. Though historically planting has always been in soil, they do not consume SiO 2 . Water and nutrients can be supplied if the roots are in a container of water and the plants are provided mechanical support; such hydroponics have achieved 30-50% faster growth, utilizing much less space/output, using 1000% less water and light either from the sun through greenhouses or from LEDs. Such systems have enabled the tiny country of Netherlands to become the second largest exporter of food in the world. If such technologies are exported, the world will be free from the ever-worrisome food crisis. For this research, tomato plants were grown in a coco pit mixed with perlite in four Dutch buckets and compared to the control plants grown in pots left in the prevailing environment outside and watered daily. The variables monitored are moisture, temperature, pH and nutrient levels. Data from sensors were sent to a laptop over Bluetooth. The usage of solar panels to power the system was also studied.The result indicates a 34 -67% better characteristics for the plants grown with the modern techniques compared to the control.

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