HV Heat Shrink Joint. Polymeric insulated cables of various designs can be adapted with respect to shielding and metal sheath. Raychem heat shrink accessories have been used by utilities and industrial companies around the world for over 40 years. The ongoing field experience makes Raychem a leader in materials science and technology for high voltage applications. The materials used in TE Connectivity Raychem cable accessories are extensively optimized with respect to product design, function, manufacturing and expected service environment.
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Parameter
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Heat-shrinkable stress control sleeves
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Torque-controlled connector
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Water and corrosion-resistant
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Joint fits on all polymeric cable constructions
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Proven shield continuity concept
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Short cut-back dimension
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Cable size transition possible
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Unlimited shelf life under normal storage conditions
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Suitable for wide range of mechanical connectors
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Tested under International standards
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Sr. No.
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Particulars
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Specifications
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1
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Applicable Standards
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IEC 60840
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2
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Nominal System Voltage
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66kV Phase to Phase
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3
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Highest System Voltage
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72.5kV
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4
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Impulse Voltage at 95 to 1000C temperature
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325kV (Peak)
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5
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Frequency
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50 Hz.
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6
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AC High Voltage withstand test 15 min dry
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95 kV
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7
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Partial Discharge Test at Ambient
Pre-Stressed at 1.75U0 (67kV) 10sec
Measured at 1.5U0 (57kV)
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Less than 5pC
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8
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Partial Discharge Test at Elevated (95-1000C)
Pre-Stressed at 1.75U0 (67kV) 10sec
Measured at 1.5U0 (57kV)
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Less than 5pC
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9
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Heating Cycle Voltage Test
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1.Total Duration of one cycle
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24hr
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1.Duration of Heating period
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8hr
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1.Duration of natural cooling period
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16hr
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1.Temp. of conductor during heating
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95 to 1000C
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1.AC voltage applied during test
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76kV
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1.No. of cycles
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20
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