Ningbo Tianan (Group) Co.,Ltd.
| Payment Terms | T/T, L/C, D/A, D/P, Western Union |
| Supply Ability | 1000 units/year |
| Delivery Time | 45 days |
| Packaging Details | Wooden Carton |
| Frequency | 50Hz |
| Special Conditions | Depends on The Customer |
| Iron Core lamination | Hi-B silicon sheet |
| Rated capacity | 30000KVA |
| Brand Name | Tianan Electric |
| Model Number | CBT1-132 |
| Certification | IEC,,IEEE |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C, D/A, D/P, Western Union | Supply Ability | 1000 units/year |
| Delivery Time | 45 days | Packaging Details | Wooden Carton |
| Frequency | 50Hz | Special Conditions | Depends on The Customer |
| Iron Core lamination | Hi-B silicon sheet | Rated capacity | 30000KVA |
| Brand Name | Tianan Electric | Model Number | CBT1-132 |
| Certification | IEC,,IEEE | Place of Origin | CHINA |
| High Light | 11kv Power Transformer Box ，Compact Power Transformer Box ，110KV Power Transformer Box | ||
Voltage Distribution Compact Package Substation Medium Voltage Switchgear
General:
Series 110KV Three-phase Two-winding Off-circuit Tap-Changing Power Transformer has all the functions that an ordinary substation has and the service condition is presently good. After the launch of the products, they have Won
good praises from customers for their convenient and high-efficient
superior properties.
Technical parameters:
1. Technical parameters of switch equipment on LV side
| No. | Item | Unit | Parameter |
| 1 | System voltage | kV | 11.5 |
| 2 | Rated voltage | kV | 12 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Rated current | A | 2000,1600,1250, |
| 5 | Rated 1min power frequency withstand voltage | kV | 42/48 |
| 6 | Rated lightning impulse withstand voltage | kV | 75/85 |
| 7 | Rated short time withstand current | kA | 40,31.5,25 |
| 8 | Rated short time withstand time | s | 4 |
| 9 | Rated peak withstand current | kA | 100,80,63 |
| 10 | Rated short circuit breaking current | kA | 40,31.5,25 |
| 11 | Rated short circuit making current | kA | 100,80,63 |
| 12 | Rated operation sequence | O 0.3s CO 180s CO | |
| 13 | Mechanical endurance | Times | ≥10000 |
2. Technical parameters of HV side switch equipment
Table 1
| No. | Item | Unit | Parameter |
| 1 | System voltage | kV | 132 |
| 2 | Rated voltage | kV | 145 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Rated current | A | 2000 ,1600 |
| 5 | Rated 1min power frequency withstand voltage | kV | 275 |
| 6 | Rated lightning impulse withstand voltage | kV | 650 |
| 7 | Rated short time withstand current | KA | 25,31.5,40 |
| 8 | Rated short time withstand time | s | 3 |
| 9 | Rated peak withstand current | kA | 63,80,100 |
Table 2
| No. | Item | Unit | Parameter | ||
| 1 | System voltage | kV | 132 | ||
| 2 | Rated voltage | kV | 145 | ||
| 3 | Rated frequency | Hz | 50 | ||
| 4 | Rated current | A | 2000 | ||
| 5 | Rated 1min power frequency withstand voltage | kV | 275 | ||
| 6 | Rated lightning impulse withstand voltage | kV | 650 | ||
| 7 | Rated short time withstand current / time | KA/s | 40/4 | ||
| 8 | Rated peak withstand current | kA | 100 | ||
| 9 | Rated short circuit breaking current | kA | 40 | ||
| 10 | Rated short circuit making current | kA | 100 | ||
| 11 | DC component | % | 40 | ||
| 12 | Rated operation sequence | O 0.3s CO 180s CO | |||
| 13 | Opening time | ms | 35±5 | ||
| 14 | Closing time | ms | 105±15 | ||
| 15 | Breaking time | ms | ≤60 | ||
| 16 | Non-simultaneity between poles | Closing | ms | ≤5 | |
| Opening | ms | ≤3 | |||
| 17 | Fracture no. of each pole | 1 | |||
| 18 | Mechanical endurance | Times | ≥6000 | ||
| 19 | Full capacity continuous breaking times | Times | ≥20 | ||
| 20 |
SF6 gas pressure (20℃) |
Rated value | MPa | 0.60 | |
| Alarm value | MPa | 0.55 | |||
| Locking value | MPa | 0.50 | |||
| 21 |
SF6 gas moisture content(μl/l) |
Acceptance value | PPm | ≤150 | |
| Operation allowable value | PPm | ≤300 | |||
| 22 | SF6 yearly gas leakage rate | % | ≤0.5 | ||
| 23 | Total weight of each circuit breaker | kg | 2000 | ||
Table 3
| Rated primary current | 150,300,500,750,1000,1500,2000 |
| Rated secondary current | 5A |
|
Rated output capacity and accuracy level
|
See table 4 |
Table 4
| Current ratio | Rated output capacity VA | Measure accuracy level | Protection accuracy level |
|
150/5 300/5 500/5 750/5 1000/5 1500/5 2000/5 |
20 20 30 30,40 40,50 50 50 |
0.5 0.5 0.5 0.5 0.5 0.5 0.5 |
5P20 5P20 5P20 5P20 5P20 5P20 5P20 |
Note: (1) Straight-through type bushing current transformer is attached in the circuit breaker.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1969
Total Annual:
250000000-300000000
Employee Number:
3000~3500
Ecer Certification：
Verified Supplier
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office... Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office...
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