It adopt Sf6 gas of high electric-strength as the insulating medium .
When comparing with oil-immersed transformer,this product has advantages of good insulation peformance ,long service life,short performance,long service life,short production cycle,simplified processes,oil free,maintenance free,safe and reliable running .
It meets the modern power grid's high reliability requirements to the power transmission and transformation equipment.
| TRANSDUCER | |
| Altitude | note exceed 2000 m (the ones exceed 2000m shall be designed separately) |
| Ambient temperature | -40C°-+50C° |
| Max monthly mean relative humidity |
90% |
| 10min max average wind velocity | 35m/s |
| Maxice coating thickness | 10mm |
| class of pollution |
III,IV class |
| Rated insulating level |
current transformer of 35kV |
| current transformer of 66kV |
72.5/140/325kV |
| current transformer of 110kV |
126/200/480kV |
| current transformer of 220kV |
252/395/950kV |
| Short-time thermal current |
50-63kA |
| Rated peak with stand current |
125-160kA |
| With stand voltage level under zero gauge pressure |
13times of max working voltage of equiment |
| Partial discharge level |
1.2 times of max working voltage of equipment <5pC |
| Annual gas leakage rate |
<0.5% |
| Water content of SF 6 gas |
<150*10-6(V/V) |
| Radio interference level |
1.1 times of max working voltage of equipment radio interference voltage <500uV |
| Specific creepage distance of ecternalinsulation |
25mm/kV or 31mm/kv |
| Static bearing load of primary terminal |
2000N-6000N |
| Max total mass of product |
current transformer of35kV:450kg (there into mass of SF5 gas is 4kg) |
| current transformer of66kV |
500kg (there into mass of SF5 gas is5kg) |
| current transformer of110kV |
600kg (there into mass of SF5 gas is 7kg) |
| current transformer of220kV |
1400kg (there into mass of SF5 gas is 23kg) |
Specification
| Tee type | |||||
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| Type | Dimensions | ||||
| A | B | C | D | E | |
| LVQB-35 | 1335 | 1630 | 1150 | 340 | 18 |
| LVQB-66 | 1695 | 2040 | 1200 | 400 | 18 |
| LVQB-110 | 2180 | 2460 | 1290 | 475 | 18 |
| LVQB-220 | 3270 | 3655 | 1460 | 610 | 24 |
| No. | Name |
| 1 | Explosion-proof device |
| 2 | Tee type shell |
| 3 | primary connectoin terminal |
| 4 | extranal insulation bushing |
| 5 | Secondary junction box |
| 6 | discharge valve/Gas charge |
| 7 | Density Relay |
| 8 | Base |
| 9 | Conductive barin series connection |
| bell-lartype type | |||||
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| Type | Dimensions | ||||
| A | B | C | D | E | |
| LVQB-35 | 1335 | 1630 | 1150 | 340 | 18 |
| LVQB-66 | 1695 | 2040 | 1200 | 400 | 18 |
| LVQB-110 | 2180 | 2460 | 1290 | 475 | 18 |
| LVQB-220 | 3270 | 3655 | 1460 | 610 | 24 |
| No. | Name |
| 1 | Explosion-proof device |
| 2 | bell-lartype type shell |
| 3 | primary connectoin terminal |
| 4 | extranal insulation bushing |
| 5 | Secondary junction box |
| 6 | discharge valve/Gas charge |
| 7 | Density Relay |
| 8 | Base |
| 9 | Conductive barin series connection |
Accuracy test



Tel:13968747975
E-mail: bethy@heyiele.com
Add:(Zhejiang Lierde Relay Co., Ltd.) Xinguang Ind. Zone, Liushi Town, Wenzhou, Zhejiang, China