Heat Shrinkable Joints & Terminations
Guaranteed Technical Particulars in compliance with IEC 60502-4 & CENELEC HD 629.1
- Test Sequence
- Parameter for Evaluation
- Test Voltage Highest Voltage Umax (Kv)
- Result
- DC High Voltage Test (Dry)
- 15 min.
- 38
- 76
- 114
- No breakdown & no flashover
- AC High Voltage Test (Dry)
- 5 min.
- 29
- 57
- 86
- No breakdown & no flashover
- AC High Voltage Test (Wet) (Only for OD Terminations)
- 1 Min
- 25.4
- 51
- 76
- No breakdown & no flashover
- Partial Discharge Test
- --
- 11
- 22
- 33
- = 5 pC
- Insulation Resistance (Before Impact Test)
- 1 min. 500 V Dc
- --
- --
- --
- >103 O
- Impact Test (For Straight Through Joints)
- --
- --
- --
- --
- PASS (No visual damage observed)
- Insulation Resistance After Impact Test (Immersed)
- 1 min. 500 V Dc
- --
- --
- --
- >103 O
- Impulse Withstand Test at Elevated Temperature
- 10 Positive& 10 Negative Conductor temperature 95 to 100oC
- 95
- 125
- 170
- No breakdown & no flashover
- Heating Cycle Test in air
- 3 cycles 5 hrs heating & 3 hrs cooling
- 16 AC
- 30 AC
- 45 AC
- No breakdown & no flashover
- Partial Discharge Test at Elevated Temperature
- Conductor temperature 95 to 100oC
- 11
- 22
- 33
- = 5 pC
- Partial Discharge Test at ambient Temperature
- --
- 11
- 22
- 33
- = 5 pC
- Heating Cycle Test in Air (for Indoor & Outdoor Termination)
- 60 cycles , 5 hrs heating & 3 hrs cooling
- 16 AC
- 30 AC
- 45 AC
- No breakdown & no flashover
- Heating Cycle Test in Water (for Straight Through Joint)
- 63 cycles, 8 Hour Cycle, 5 hrs. heating & 3 hrs. cooling
- 16 AC
- 30 AC
- 45 AC
- No breakdown & no flashover
- Immersion Test (for Outdoor Termination)
- 10 cycles, 5 hr heating & 3 hr cooling
- --
- --
- --
- No breakdown & no flashover
- Partial Discharge Test at Elevated Temperature
- 5 hr heating & 3 hr cooling 95 to 100oC
- 11
- 22
- 33
- = 5 pC
- Partial Discharge Test at ambient Temperature
- --
- 11
- 22
- 33
- = 5 pC
- Impulse Withstand Test at Ambient Temperature
- 10 Positive & 10 Negative
- 95 Peak
- 125 Peak
- 170 Peak
- No breakdown & no flashover
- AC High Voltage Test (Dry)
- 15 min.
- 16
- 30
- 45
- No breakdown & no flashover
- Examination
- --
- --
- --
- --
- PASS (No Cracking in the filling, no moisture path across primary seal, or Corrosion and/or Tracking)
- DC High Voltage Test (Dry)
- 15 min.
- 38
- 76
- 114
- No breakdown & no flashover
- AC High Voltage Test (Dry)
- 5 min.
- 29
- 57
- 86
- No breakdown & no flashover
- Thermal Short- Circuit Test
- Two Short-circuits to raise conductors to ? sc of the cables
- --
- --
- --
- No visible damage
- Impulse Withstand Test at Ambient Temperature
- 10 Positive& 10 Negative
- 95 Peak
- 125 Peak
- 170 Peak
- No breakdown & no flashover
- AC High Voltage Test (Dry)
- 15 min.
- 16
- 30
- 45
- No breakdown & no flashover
- Examination
- --
- --
- --
- --
- PASS (No cracking in the filling, no moisture path across primary seal, or Corrosion and/or Tracking)
- Humidity Test for Indoor Terminations
- Water conductivity 70?0.1 mS/m 300 hour spray
- 8 AC
- 16 AC
- 24 AC
- PASS (No breakdown & no flashover, no Tracking, Erosion & Mechanical damage after test)
- Salt Fog Test for Outdoor Terminations
- Salt spray for 1000 hours (1.25 x Uo)
- 7.94
- 15.87
- 23.75
- PASS (No breakdown & no flashover, no Tracking, Erosion & Mechanical damage after test)
Guaranteed Technical Particulars in compliance with IEC 60502, 60060 & 60230 For Termination upto 3.3 kv
- Test Sequence
- Parameter for Evaluation
- Test Voltage Highest Voltage Umax (Kv)
- Result
- Insulation Resistance
- 1 min. 500 V Dc.
- --
- --
- >103O
- AC High Voltage Test (Dry)
- 15 min.
- 4
- 8
- No breakdown & no flashover
- Impulse Withstand Test at Ambient Temperature
- 10 Positive& 10 Negative
- 8
- 12
- No breakdown & no flashover
- Heating Cycle Test
- 63 cycles, 8 Hour Cycle, 5 hrs. heating & 3 hrs. cooling
- --
- --
- No breakdown & no flashover
- Insulation Resistance After Impact Test (Immersed)
- 1 min. 500 V Dc
- --
- --
- >103O
- Impulse Withstand Test at Elevated Temperature
- 10 Positive& 10 Negative Conductor temperature 95 to 100oC
- 8
- 12
- No breakdown & no flashover
- Heating Cycle Test
- 63 cycles, 8 Hour Cycle, 5 hrs. heating & 3 hrs. cooling
- --
- --
- No breakdown & no flashover
- DC High Voltage Test (Dry)
- 5 min
- 15
- 21
- No breakdown & no flashover
Guaranteed Technical Particulars in compliance with IEC 60502, 60060 & 60230 For Straight Through Joints upto 3.3 kv
- Test Sequence
- Parameter for Evaluation
- Test Voltage Highest Voltage Umax (Kv)
- Result
- Insulation Resistance
- 1 min. 500 V Dc.
- --
- --
- >103O
- AC High Voltage Test (Joint immersed in water)
- 15 min.
- 3.5
- 6
- No breakdown & no flashover
- Impulse Withstand Test at Ambient Temperature
- 10 Positive& 10 Negative
- 8
- 12
- No breakdown & no flashover
- Insulation Resistance
- 1 min. 500 V Dc
- --
- --
- >103O
- Heating Cycle Test in Water (for Straight Through Joint)
- 63 cycles, 5 hrs. heating & 3 hrs. cooling Conductor temperature 95oC
- --
- --
- No breakdown & no flashover
- Insulation Resistance After Impact Test (Immersed)
- 1 min. 500 V Dc
- --
- --
- >103O
- Impulse Withstand Test at Elevated Temperature
- 10 Positive& 10 Negative Conductor temperature 95 to 100oC
- 8
- 12
- No breakdown & no flashover
- DC High Voltage Test (Dry)
- 5 min
- 15
- 21
- No breakdown & no flashover