OEM Strain Clamp And Tension Clamp Suppliers – 35kv Cold Shrinkable Type Cable Joint – Pengyou Power

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OEM Strain Clamp And Tension Clamp Suppliers – 35kv Cold Shrinkable Type Cable Joint – Pengyou Power Detail:

6~35kv Cable Accessories Classification Introduction
4E-NLS Cold Shrinkable Indoor Termination, 4E-WLS Cold Shrinkable Outdoor Termination, 4E-JLS Cold Shrinkable Joint
4E-NLS cold shrinkable indoor termination, 4E-WLS cold shrinkable outdoor termination, 4E-JLS cold shrinkable middle joint are mainly composed of prefabricated body, terminations (indoor and outdoor) or connecting tube (middle joint) cold shrinkable multi-core fingerstall ( supporting multi-core cable), and cold shrinkable insulation tubes and relative colormetric tube (indoor and outdoor termination). The prefabricated body stress cone and insulating body are using plastic injection molding of liquid silicone rubber, which has long-term stability of the package tight force and uniform electric field capacity. Always keep a suitable radial pressure to the cable body. The interface characteristic is good without respiration creepage breakdown when cable runs. The terminations or connecting tube meet cable core material requirements or users’ requirements to ensure the protection of cable insulation and waterproof.

Main structure features:
Excellent raw-material: prefabricated body is composed of high quality liquid silicone, which has excellent insulation, elongation, and breakdown properties, small residual deformation after expansion.
Cold shrinkable structure: using latest expansion equipment and expansion support tube to ensure product expand without damage.
Easy installation: using cold shrinkable expansion structure, there’s no need special training, the labor is low due to convenient installation.

6~35kV Cold Shrinkable Outdoor Termination

35kv Cold Shrinkable Type Cable Joint

Lug 2. Marking tube 3. Cable insulation 4. Cold shrinkable termination 5. Stress cone 6. Insulation screen layer 7. Copper screen 8. Cold shrinkable protective tube 9. Three fingered tube 10. Copper braid wire

Size mm	8.7/15kV	12/20kV	18/30kV	26/35kV
L	252	370	370	450
A	≥800	≥950	≥950	≥1300

Voltage Section number	1	2	3	4
8.7/15	25-50	70-120	150-240	300-400
12/20,18/30,26/35	50-95	120-185	240-400	500-630

6~35kV Cold Shrinkable Indoor Termination

Lug 2. Marking tube 3. Cable insulation 4. Cold shrinkable termination 5. Stress cone 6. Insulation screen layer 7. Copper screen 8. Cold shrinkable protective tube 9. Three fingered tube 10. Copper braid wire 11. Cable

Size mm	8.7/15kV	12/20kV	18/30kV	26/35kV
L	180	288	288	370
A	≥700	≥850	≥850	≥1200

Voltage Section number	1	2	3	4
8.7/15	25-50	70-120	150-240	300-400
12/20,18/30,26/35	50-95	120-185	240-400	500-630

6~35kV Cold Shrinkable Middle Joint

35kv Cold Shrinkable Type Cable Joint

Copper screen 2. Constant force spring 3. Stress cone 4. Connecting tube 5. Prefabricated main body 6. Copper net 7. Braid wire 8. Armour tape 9. Armour 10. Cable

Size mm	8.7/15kV	12/20kV	18/30kV	26/35kV
L	378	430	430	488
A	1300	1600	1600	1800

Voltage Section number	1	2	3	4
8.7/15	25-50	70-120	150-240	300-400
12/20,18/30,26/35	50-95	120-185	240-400	500-630

6~35KV cold shrinkable indoor, outdoor termination, and joint electrical performance parameters

Rated voltage UO/U (Um) kV	6/10(12.5)	8.7/15(17.5)			26/35(40.5)		Railway Uo=27.5	Test result
5min frequency voltage test	no flashover, without breakdown under 4.5Uo							no flashover, without breakdown
1min frequency voltage under rain test	no flashover, without breakdown under 4Uo							no flashover, without breakdown
Partial discharge at room temperature test	discharge volume under 1.73Uo ≤10PC							≤1.6pC
Constant voltage load cycle in the air test	heated 2.5Uo and conductor to a temperature to 95-100°C three times, no flashover, without breakdown							no flashover, without breakdown
Partial discharge at high temperature test	heated cable conductor to 95-100°C, discharge volume under 1.73Uo ≤10PC							≤1.6pC
Partial discharge at room temperature test	discharge volume under 1.73Uo ≤10PC							≤1.6pC
Impulse voltage at high temperature test	75kV		95kV		200kV		25kV	no flashover, without breakdown
	heated cable conductor to 95-100°C,both positive and negative polarity 10 times, no flashover, without breakdown
Constant voltage load cycle test	heated 2.5Uo and conductor to a temperature to 95-100°C sixty times, no flashover, without breakdown							no flashover, without breakdown
Partial discharge at high temperature test	heated cable conductor to 95-100°C, discharge volume under 1.73Uo ≤10PC							≤1.6pC
Partial discharge at room temperature test	discharge volume under 1.73Uo ≤10PC							≤1.6pC
Impulse voltage test	75kV		95kV	200kV		250kV		no flashover, without breakdown
	both positive and negative polarity 10 times, no flashover, without breakdown
15min frequency voltage test	no flashover, without breakdown under 2.5Uo							no flashover, without breakdown
Outdoor termination salt spray test	1.25Uo,1000h, no flashover, without breakdown, no significant electrical corrosion and mechanical damage							no flashover, without breakdown
Indoor termination wet test	1.25Uo, 300h, no flashover, without breakdown, no significant electrical corrosion and mechanical damage							no flashover, without breakdown