Nkwenye ndị ọrụ
Nke ọma nke ọrụ cable joint
CMJ (Cable Melt Joint) bụ teknụzụ nke enweghị ezi eme nke kampani, na-enye teknụzụ ọrụ cable connection ụfọdụ. Nke a bụ ọrụ cable joint ọrụ ọrụ nke adịghị kọwaa n'ụzọ ọrụ cold shrink, heat shrink, ma ọ bụ prefabricated cable joints.
Ụzọ ọnụ ọtụtụ
Conductor na-enye exothermic welding technology, na-ekwu onwe ya, ọnụ ọtụtụ, ike ọtụtụ, na welding points nwere ọnwụ. Ọ nwere ike ịgbakọ ụdị current surges na ọnụ ọtụtụ site na ụbọchị ọtụtụ, na-enye electrical connection nwere ike na zuru oke.
Nkwenye ọrụ electric field stress
Fusion joint bụ nke ịkwado conductor shielding layer na insulation shielding layer dị ka ụzọ conductor shielding na outer shielding structure, specifications, ma ọ bụ materials nke cable gara aga, ịkọwa ịchepụta continuous na equivalent matching cable electric field shielding body n'ebe CMJ na nke cable gara aga, ka ụzọ electric field distribution na strength bude na ụzọ natural ọkachamara, na-enye electrical stability na operational reliability nke CMJ.
Nkwenye ọrụ insulation
Na-enye XLPE without air gap interface fusion bonding, dị ka ụzọ insulation nke cable, ọ bụla ịkọwa ụzọ nwere ụzọ dị ka cable nwere ụzọ joint characteristics. Insulation strength bụ nke gara aga nke cable gara aga, na-enye electrical insulation na stable durability performance nwere ike na ụbọchị ọtụtụ.
Equal diameter connection ekwesite ụlọ
CMJ nwere ike ịkọwa na diameter nwere ụzọ ma ọ bụ equal na outer diameter nke cable, na-enye ịkọwa na special positions dịka cable bends na high-altitude suspensions, nwere ike ịkọwa na ụlọ ọtụtụ maka ịkọwa.
Ike ọtụtụ mechanical
Conductor core bụ welded, na repaired cable nwere ike ịkpọta na ịgbakọ.
nkwenye ọrụ sealing
Na-enye layered fusion bonding site, seamless fusion bonding n'ebe inner na outer semi conductors, insulation body na nke cable gara aga, nwere ike ịkọwa na interface, na-enye waterproof performance ọrụ.
Performance parameters
| Test Items |
10kV |
20kV |
35kV |
Test Results |
| Rated Voltage |
8.7/15kV |
12/20kV |
26/35kV |
/ |
| Partial Discharge |
Partial discharge < 10pC at 15kV |
Partial discharge < 10pC at 20kV |
Partial discharge < 10pC at 45kV |
Partial discharge < 1pC |
| Lightning Impulse Withstand Voltage |
95kV, ±10 times |
125kV, ±10 times |
200kV, ±10 times |
Meet the requirements |
| Power Frequency Withstand Voltage |
39kV for 5min |
54kV for 5min |
117kV for 5min |
Meet the requirements |
Technical Specifications
| Conductor Cross - Section (mm²) |
10kV Fusion Joint Model |
|
| |
Single - core |
Three - core |
| 25 - 50 |
CMJ10 - 1.1 |
CMJ10 - 3.1 |
| 70 - 120 |
CMJ10 - 1.2 |
CMJ10 - 3.2 |
| 150 - 240 |
CMJ10 - 1.3 |
CMJ10 - 3.3 |
| 300 - 400 |
CMJ10 - 1.4 |
CMJ10 - 3.4 |
| 500 - 630 |
CMJ10 - 1.5 |
|
| Conductor Cross - Section (mm²) |
35kV Fusion Joint Model |
|
| |
Single - core |
Three - core |
| 50 - 95 |
CMJ35 - 1.1 |
CMJ35 - 3.1 |
| 120 - 185 |
CMJ35 - 1.2 |
CMJ35 - 3.2 |
| 240 - 400 |
CMJ35 - 1.3 |
CMJ35 - 3.3 |
| 500 |
CMJ35 - 1.4 |
CMJ35 - 3.4 |
| 630 |
CMJ35 - 1.5 |
|