Dielectric properties of kenaf-based kraft paper for high voltage insulation
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Date
2018-06
Authors
Muhammad Aid'zuddin Nor Azli
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Abstract
Paper is broadly utilized in various engineering applications due to its physical
properties and ease of manufacture. Therefore, paper has been designed or chosen as an
electrical insulation material for parts in high voltage (HV) technology. However, kenaf is a
new material that has been newly introduced to act as an insulating material for high voltage
insulation system. Therefore, in order to use kenaf material for electrical purposes, kenaf
characteristics need to be studied before can be used in electrical equipment as a part of
insulation system. In this research, three type of dielectric test will be conducted on 2 mm
kenaf-based Kraft paper (KBKP) to determine its dielectric properties based on British
Standard (BS EN 60641-2:2004) pressboard and presspaper for electrical purposes - part 2:
methods of tests. This three type of test are moisture content, oil absorption and electric
strength in air test. The results showed that the moisture content of this KBKP is 3.15 %
while for the oil absorbency is 1.88 %. The electric strength obtained from the electric
strength in air test is 12.83 kV/mm. After referred to the British Standard (BS EN 60641-3-
1: 1994) pressboard and presspaper for electrical electrical purposes – part 3: specifications
for individual materials, this KBKP is possible to act as an insulating material for high
voltage insulation system.