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  • conductors) of a small portion of a solid or fluid electrical insulation (EI) system under high voltage (HV) stress. While a corona discharge (CD) is usually...
    22 KB (2,959 words) - 15:14, 19 August 2024
  • Thumbnail for Dielectric withstand test
    engineering, a dielectric withstand test (or pressure test, high potential or hipot test or insulation test) is an electrical safety test performed on a component...
    3 KB (438 words) - 07:47, 2 August 2024
  • Thumbnail for Insulator (electricity)
    support significant voltage without electrical breakdown. Other high voltage system insulation materials include ceramic or glass wire holders, gas, vacuum...
    32 KB (4,062 words) - 01:22, 27 August 2024
  • Thumbnail for Mineral wool
    Applications of mineral wool include thermal insulation (as both structural insulation and pipe insulation), filtration, soundproofing, and hydroponic...
    21 KB (2,656 words) - 22:11, 6 July 2024
  • VLF cable testing (Very Low Frequency) is a technique for testing of medium and high voltage (MV and HV) cables. VLF systems are advantageous in that they...
    14 KB (2,092 words) - 05:19, 31 July 2024
  • Thumbnail for Electrical treeing
    a path resembling the branches of a tree. Treeing of solid high-voltage cable insulation is a common breakdown mechanism and source of electrical faults...
    10 KB (1,385 words) - 03:37, 10 August 2024
  • Thumbnail for Soundproofing
    deaden resonant frequencies within a cavity (wall, floor, or ceiling insulation), serving a dual purpose along with their thermal insulation properties. Both...
    22 KB (2,522 words) - 15:01, 30 August 2024
  • Thumbnail for Epicanthic fold
    Khoisan and Nilotic peoples). Among South Asians, they occur at very high frequencies among the Nepalis, Bhutanese,[better source needed] Northeast Indians...
    15 KB (1,487 words) - 21:15, 28 August 2024
  • Thumbnail for Variable-frequency drive
    filters. Selection of optimum PWM carrier frequency for AC drives involves balancing noise, heat, motor insulation stress, common-mode voltage-induced motor...
    66 KB (6,883 words) - 23:13, 20 August 2024
  • Thumbnail for Very low frequency
    Very low frequency or VLF is the ITU designation for radio frequencies (RF) in the range of 3–30 kHz, corresponding to wavelengths from 100 to 10 km,...
    39 KB (3,946 words) - 16:44, 11 June 2024
  • Thumbnail for Shielded cable
    whereas twinax cable does not. High voltage power cables with solid insulation are shielded to protect the cable insulation, people and equipment. There...
    9 KB (1,055 words) - 18:06, 18 June 2024
  • Thumbnail for Capacitor types
    voltage at low frequencies, rated reactive power at intermediate frequencies, reduced AC voltage or rated AC current at high frequencies. The rated AC...
    133 KB (12,947 words) - 19:41, 21 August 2024
  • Thumbnail for Transformer
    Large power transformers are vulnerable to insulation failure due to transient voltages with high-frequency components, such as caused in switching or...
    83 KB (9,179 words) - 17:56, 22 August 2024
  • Thumbnail for Ceramic capacitor
    transmitting apparatus, porcelain capacitors were used for high voltage and high frequency application in the transmitters. On the receiver side, the...
    102 KB (10,554 words) - 17:28, 19 August 2024
  • Thumbnail for High-voltage direct current
    specialized because of the high levels of harmonic currents which flow through them, and because the secondary winding insulation experiences a permanent...
    78 KB (9,926 words) - 17:07, 29 August 2024
  • Thumbnail for Alternating current
    transformed down to 100 V – 240 V for domestic use. High voltages have disadvantages, such as the increased insulation required, and generally increased difficulty...
    48 KB (5,948 words) - 15:16, 23 August 2024
  • radio frequency signals. Buildings without distributed antenna systems may then suffer degraded cell phone reception. Reflective thermal insulation is typically...
    9 KB (1,116 words) - 17:05, 30 July 2024
  • Thumbnail for Building insulation material
    Building insulation materials are the building materials that form the thermal envelope of a building or otherwise reduce heat transfer. Insulation may be...
    58 KB (7,651 words) - 11:34, 24 July 2024
  • Thumbnail for MHV connector
    be recognized by the slightly protruding insulation on the male plug and the slightly different insulation length in the female jack. The MHV connector...
    5 KB (328 words) - 15:24, 7 February 2024
  • Thumbnail for Transformer types
    appliance and electronic transformers may use a split bobbin, giving a high level of insulation between the windings. The rectangular cores are made up of stampings...
    48 KB (6,001 words) - 03:32, 16 August 2024
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