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192 kV SURGE ARESSTER | |||
1 | Manufacture/ Country of Origin | Tyco Electronics/ UK | |
2 | Ordering number | PCA3.3-192 | |
I | Substantial requirements | ||
1 | Applicable standard | IEC 60099-4 | |
2 | Type |
Outdoor, ZnO, gapless, porcelain |
|
3 | Rated voltage | kV | 192 kV |
4 | Rated frequency | Hz | 50 Hz |
5 | Maximum continuous operating voltage | kV | 154kV |
6 | Nominal discharge current | kApeak | 10 kA |
7 | IEC long duration discharge class | Class 3 | |
8 | Fault current for pressure relief test | kA rms. | 65kA |
9 | Minimum energy absorption capability | kJ/kV Ur | 8.75kJ/kV |
10 | Maximum residual voltage of complete arrester for | ||
(a) Nominal discharge current impulse with rise time 1ms (steep current impulse) | kV | 540kV | |
(b) Nominal discharge current 8/20-ms impulse (lightning current impulse) | kV | 504kV | |
(c) Switching impulse | kV rms | 406kV | |
Wave shape | 30/60 | ||
With peak current of | A | 1000A | |
11 | High current impulse (4/10ms) withstand | kA | 100 kA |
12 | Standard to which arrester is tested | IEC 60099-4 | |
13 | Leakage current meter | Yes/No | Yes |
14 | Arrester housing: | ||
- Lightning impulse withstand voltage | kV | 1288kV | |
- Switching impulse withstand voltage | kV | >900kV | |
- Power frequency withstand voltage | kV (rms.) | 591kV | |
- Minimum creepage distance | mm/kV | 7640mm/192kV | |
II | Non-substantial requirements | ||
1 | Materials of terminals | ||
- HV | M16x65mm stud | ||
- Earth | Yes | ||
- Surge counter | 2xM10 set of Screws | ||
2 | Steel structure (NA) | ||
-Materials | yes | ||
-Height | mm | yes | |
-Height Steel Structure | mm | yes | |
III | Requirements for information | ||
1 | Leakage current through the complete arrester at max. continuous operating voltage | ||
- Resistive component | <0.3 | ||
- Capacitive component | <1.0 | ||
(state whether peak or rms. value) | peak | ||
2 | Material employed in series non-linear resistor | Dosed zinc oxide | |
3 | Diameter of metal oxide column | 60mm | |
4 | Effective cross-sectional area of metal oxide column | 2826mm | |
5 | Number of metal oxide columns | 1 | |
6 | Number of ZnO units in each column | 36 (nominal) | |
7 | Number of parallel current paths | Infinite | |
8 | Filling medium | Dry Air | |
9 | Sensitivity of surge counter: | ||
(a) Current | A | 200 | |
(b) Corresponding wave shape | ms | 8/20 | |
10 | Peak voltage across surge counter when a 8/20 ms current surge of peak value equal to the nominal discharge current of the arrester is applied | V | <2500V |
11 | RMS voltage across surge counter when continuous operating voltage is applied to arrester | V | 0 |
12 | Diameter of voltage grading ring (if fitted) | mm | 715 |
13 | Seismic withstand capability | >0.3g | |
14 | Calculated Wind Load Moment about the base of the arrester | kN-m | 0.161kN-m (refer to attachment MRD-0121) |
15 | Cantilever strength of arrester | kN-m | 6.8 (PSSL) |
16 | Total Weight | Kg | 180kg (approx) |
STT | ĐẶC TÍNH KỸ THUẬT | ĐƠN VỊ | |
No | Specifications | Unit | |
96 kV SURGE ARESSTER | |||
1 | Manufacture/ Country of Origin | Tyco Electronics, UK | |
2 | Ordering number | PCA3-98 | |
I | Substantial requirements | ||
1 | Applicable standard | IEC 60099-4 | |
2 | Type |
Outdoor, ZnO, gapless, porcelain |
|
3 | Rated voltage | kV | 98kV |
4 | Rated frequency | Hz | 50 Hz |
5 | Maximum continuous operating voltage | kV | 78.4kV |
6 | Nominal discharge current | kApeak | 10 kA |
7 | IEC long duration discharge class | Class 3 | |
8 | Fault current for pressure relief test | kA rms. | 65kA |
9 | Minimum energy absorption capability | kJ/kV Ur | 8.75kJ/kV |
10 | Maximum residual voltage of complete arrester for | ||
(a) Nominal discharge current impulse with rise time 1ms (steep current impulse) | kV | 277kV | |
(b) Nominal discharge current 8/20-ms impulse (lightning current impulse) | kV | 258kV | |
(c) Switching impulse | kV rms | 208kV | |
Wave shape | 30/60 | ||
With peak current of | A | 1000A | |
11 | High current impulse (4/10ms) withstand | kA | 100kA |
12 | Standard to which arrester is tested | IEC 60099-4 | |
13 | Leakage current meter | Yes/No | Yes |
14 | Arrester housing: | ||
- Lightning impulse withstand voltage | kV | 634kV | |
- Switching impulse withstand voltage | kV | Not applicable for SA<200kV | |
- Power frequency withstand voltage | kV (rms.) | 334kV | |
- Minimum creepage distance | mm/kV | 3820mm/98kV | |
II | Non-substantial requirements | ||
1 | Materials of terminals | ||
- HV | Yes | ||
- Earth | M16x65mm stud | ||
- Surge counter | 2xM10 set of Screws | ||
2 | Steel structure (NA) | ||
-Materials | Yes | ||
-Height | mm | Yes | |
-Height steel stucture | mm | Yes | |
III | Requirements for information | ||
1 | Leakage current through the complete arrester at max. continuous operating voltage | ||
- Resistive component | <0.3mA | ||
- Capacitive component | <1.0mA | ||
(state whether peak or rms. value) | peak | ||
2 | Material employed in series non-linear resistor | Dosed zinc oxide | |
3 | Diameter of metal oxide column | 58 | |
4 | Effective cross-sectional area of metal oxide column | 1384mm | |
5 | Number of metal oxide columns | 1 | |
6 | Number of ZnO units in each column | 35 (nominal) | |
7 | Number of parallel current paths | Infinite | |
8 | Filling medium | Not applicable for gapless SA type | |
9 | Sensitivity of surge counter: | ||
(a) Current | A | 200A | |
(b) Corresponding wave shape | ms | 8/20 | |
10 | Peak voltage across surge counter when a 8/20 ms current surge of peak value equal to the nominal discharge current of the arrester is applied | V | 100V |
11 | RMS voltage across surge counter when continuous operating voltage is applied to arrester | V | 0 |
12 | Diameter of voltage grading ring (if fitted) | mm | Grading ring not applicable for this Surge Arrester type |
13 | Seismic withstand capability | At Gravity 0.5g cantilever load at 349Nm (refer to attachment MRD-0138) | |
14 | Calculated Wind Load Moment about the base of the arrester | kN-m | 0.161kN-m (refer to attachment MRD-0121) |
15 | Cantilever strength of arrester | kN-m | 5000N-m |
16 | Total Weight | Kg | 90 Kg |