| Customization: | Available |
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| Gender: | Termination |
| Application: | Power |
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For cross linked polyethylene insulated power cables 240-3000mm2.
Suitable for large-scale chemical industry, iron and steel, power substations, coastal areas.Composite bushing outdoor termination made of epoxy fiberglass insulated tube covered with liquid silicone rubber, remarkable safety and explosion-proof.
The stress cone is made of imported liquid silicone rubber injection molding, with a long and stable holding force and electric field uniformity.
1: wire clip (optional)| Size /mm | 48/66kV | 64/110kV | 80/138kV | 127/220kV |
| H | 1270 | 1500 | 1750 | 2500 |
| A | 1510 | 1935 | 2085 | 3100 |
| B | 1925 | 2155 | 2400 | 3600 |
| C | 450 | 450 | 450 | 650 |
| D | 200 | 200 | 200 | 300 |
| E | Φ22 | Φ22 | Φ22 | Φ32 |
| creepage distance | ≥2248 | ≥3906 | ≥4495 | ≥7812 |
| No.# | Test Name | Code |
| 1 | Routine test | R |
| 2 | Sample test | S |
| 3 | Type test | T |
| 4 | Pre-qualification test | P |
| 5 | Additional test | A |
| Item | Voltage | ||||
| 38/66kV | 50/66kV | 64/110kV | 76/132kV | 127/220kV | |
| Partial discharge | 54kV, no detectable local discharge over background | 72kV, no detectable local discharge over background | 96kV, no detectable local discharge over background | 114kV, no detectable local discharge over background | 190kV, no detectable local discharge over background |
| The power frequency withstand voltage | 90kV/30min | 125kV/30min | 160kV/30min | 190kV/30min | 318kV/30min |
| Sealing | Seal fittings, porcelain bushings, composite bushings for 0.25±0.01MPa/1h, no leakage | ||||
| The epoxy casing was subjected to 0.6~0.7MPa/1h with no leakage. | |||||
| Appearance | The products are free of damage, cracks, and other defects that may affect the quality and appearance of the products. | ||||
| Item | Standard | Test Category | Product Category | ||||||
| 48/66kV | 64/110kV | 127/220kV | Porcelain Sleeve Terminal | Composite Sleeve Terminal | GIS terminal | Straight / Insulated Joint | flexible terminal | ||
| Sealing Fittings, Porcelain, Composite Sleeves | 0.25±0.01MPa/1h, no leakage | R | yes | yes | yes | - | - | ||
| Epoxy Sleeve | 0.6~0.7MPa/1h, no leakage | ||||||||
| Partial discharge of prefabricated parts | 72kV | 96kV | 190kV | R | yes | yes | yes | yes | yes |
| Detects no more than background discharge | |||||||||
| Frequency withstand voltage of prefabricated parts | 120kV | 160kV | 318kV | R | yes | yes | yes | yes | yes |
| 30min,no flashover, no breakdown | |||||||||
| Partial discharge at room temperature | 72kV | 96kV | 190kV | T | yes | yes | yes | yes | yes |
| Detects no more than background discharge | |||||||||
| Thermal cycling voltage test | 96kV | 128kV | 254kV | T | yes | yes | yes | yes | yes |
| 20 cycles, no flashover, no breakdown | |||||||||
| Partial discharge test at high temperature | 72kV | 96kV | 190kV | T | yes | yes | yes | yes | yes |
| Detects no more than background discharge | |||||||||
| Lightning impact test and subsequent frequency withstand voltage test | 450kV | 550kV | 1050kV | T | yes | yes | yes | yes | yes |
| 10 times for each positive and negative polarity | |||||||||
| 120kV | 160kV | 318kV | |||||||
| 15min, no flashover, no breakdown | |||||||||
| Directly buried joint outer protective layer immersion voltage test | Two ends impact among the 60/75kV,an end of hit 30/37.5kV | Two ends impact among the 60/95kV,an end of hit 30/47.5kV | T | - | - | - | yes | - | |
| Sealing test after assembly of accessories | 0.25±0.01MPa/1h, no leakage | T | yes | yes | yes | yes | yes | ||
| Outdoor terminal rain frequency voltage test | 140kV | 185kV | 460kV | T | yes | yes | - | - | yes |
| 1min, no flashover, no breakdown | |||||||||
| Pillar insulator voltage test | 20kV/1min, no flashover, no breakdown | T | yes | yes | - | - | - | ||
| Radio interference test for outdoor terminals | 61kV | 81kV | 140kV | A | yes | yes | - | - | yes |
| 1MHz radio interference, voltage ≤ 450μV | 1MHz radio interference, voltage ≤ 500μV | ||||||||
| Accessory specimen test | Visual inspection of accessory systems containing cables with no signs of deterioration that could affect the normal operation of the system | T | yes | yes | yes | yes | yes | ||
| DC voltage test | / | No breakdown between conductor and metal shield in connector, 20kV/1min. | T | - | - | - | yes | - | |
| Performance test of crimped connectors for conductor connecting rods | The total area after crimping is not more than 1.2 times the resistance of an equal length of conductor of the same cross-section. | T | yes | yes | yes | yes | yes | ||
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