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Home > Equipments > Cable&Wire - 76/132KV XLPE Cable Porcelain Outdoor Termination


 

76/132KV XLPE Cable Porcelain Outdoor Termination

Technical Documents of 76/132KV XLPE Cable Porcelain Outdoor Termination
 
YJZWC4-76/132KV XLPE Cable Porcelain Outdoor Termination
1.Scope
YJZWC4 XLPE cable porcelain outdoor termination is satisfied with the requirements of IEC60840,  GB11017. The conductor connection hardware is complied with GB14315. The pre-mould stress cone is made of EPDM, fill with silicone oil in the inner insulation, and good performance of sealing.
2. Technical Data
2.1  Rated voltage and frequency: 76 / 132kV,  50Hz, ,  
2.2  Max. working voltage: 145kV,  
2.3  Suitable cable section: 185~1600mm2;
2.4  Environment and condition
2.4.1  environment temperature: -50~+50°C,,  
2.4.2  Max. wind speed: 35m/s,  
2.4.3  earthquake strength: < 8o,  
2.4.4  pollution grade: IV grade
2.5  Creeping distance of porcelain bushing: �?500mm,    
2.6  flexural strength of the porcelain: 2500kg,  
2.7 Long term current capacity, short-circuit current is not less than current of the fitted cable
2.8  The method of Neutral point ground: directly ground
2.9  Basic impulse insulation level(BIL�? 650 kV,  
2.10  Contact pin and cable conductor for termination: crimping
2.11  Wiping sleeve of the termination: earthing lug
2.12  Allow Max. short-circuit current 1s: 40kA.
 
3. Guarantee of YJZWC4-76/132kV XLPE Cable Porcelain Outdoor Termination

No.
Description
Unit
  Guarantee
1
manufacturer
 
CS China
 2
Type
 
YJZWC4
 3
Produce standard
 
GB11017,  IEC60840
 4
Rated voltage(U0/U�?/DIV>
kV
76 / 132
 5
Max. working voltage(Um�?/DIV>
kV
145
 6
Basic impulse level(BIL�?/DIV>
kV
650
 7
Frequency
HZ
50
 8
Max. Rated temp. of the conductor
a.       At the normat run
b. Transient state (short-circuit current sustaining time is not less than 5s)
 
°C
°C
 
90
250
 9
Sea level
m
< 2000
 10
Environment temperature
 
�?0 Celsius Degree ~+50 Celsius Degree
 11
Cable section
 
185�?600mm2
 12
Bushing material
 
High strength porcelain
 13
Creeping distance of the bushing
mm
�?500
 14
Material of stress cone
 
EPDM
 15
Insulation filler in the bushing
a. material
b. dielectric coefficient
c. volume resistivity
 
 
 
W×m
 
Silicone oil
50Hz: 2.76
1´1013
 16
Diameter of contact pin
mm
f28�?85~400mm2�?/DIV>
f45�?00~800mm2�?/DIV>
f50�?000~1600mm2�?/DIV>
 17
Termination weight
kg
220
 18
height
mm
2150
 19
Electrical connection between the wiping sleeve and metal sheath
 
weld
 20
Seal method of wiping sleeve
 
“○”ring
 21
Metal screen layer of the termination
a.       Material
b.       Specification, Qty.
c. Allow max. Short-circuit current (1s)
 
 
 
 
 
Copper braid tape
35mm2 ,4pieces
40 kA
 22
 
The main test:
a. power frequency voltage test 1 min
b. partial discharge at room temperature
c. load cycling test at constant-voltage
  (20 periods)
d. partial discharge at high temperature
e. impulse voltage test
f. power frequency voltage test 30min
g. power frequency voltage test 4h
 
kV
a. 228(wet state�?/DIV>
b. 114(1.5U0) �?pC
c. 152 (heat cable conductor 95-100 Celsius Degree , heat8h/cool 16h, keep at least 2h/ cool at least 16)
d. 114(1.5U0) �?pC
e. 650 (±each 10times)
f. 190(2.5U0)
g. 228(3U0)
 23
Cable insulation is more than the dimension of  stress relief cone ID
mm
2�?
24
Design service life
year
�?5

for power electric cable such xlpe, submarine, ACSR cables, click here.

                                    
4. YJZWC4-76/132kV XLPE Cable Porcelain Outdoor Termination
 
5. Installation Drawing of YJZWC4-76/132Kvxlpe Cable Porcelain Outdoor Termination




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