Promotional Various Durable Using Power Transformer Mobile Compact Substation
* Carefully Selected Materials
The shell is made of stainless steel, aluminum alloy, cold-rolled plate, color steel plate, tiled, wooden strip, etc., and has good insulation, sealing and excellent heat resistance.
* With Major Brands
Effective control and protection system, fast installation and operation, superior performance.
* High Quality
The internal wiring is neatly arranged, the loss is low, and the heat dissipation performance is strong, which can be used in different environments.
* Long Service Life Of Equipment
The use of automated equipment to ensure accurate product size, production and production in strict accordance with international standards, maintenance-free during the period, the quality is more guaranteed.
Service condition
1 Ambient condition
a. Altitude ≤ 1000m；
b. Ambient temperature
Range of temperature: -25℃～+40℃；
c. Wind speed (outdoor) ≤ 35m/s；
d. Relative humidity ≤ 90%(+25℃)；
e. Installation spot
The place shall have no fire, explosion, chemical corrosion and exquisite vibration.
2 Move condition of the substation
a. Max. speed ≤ 30km/h,when road surface is flat；
b. Max. speed ≤ 10km/h, when road surface is not flat.
Note: If the above condition can’t satisfy requirements, customer can consult with manufacturer to resolve it.
Table1
| 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 Rated technical parameter of circuit breaker
| 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 |
Table3 table4 Parameters of current transformer
| Rated primary current | 150,300,500,750,1000,1500,2000 |
| Rated secondary current | 5A |
| Rated output capacity and accuracy level | See 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.
Table5 Parameters of lightning arrester
| No. | Item | Unit | Parameter |
| 1 | System voltage | kV | 132 |
| 2 | Rated voltage | kV | 150 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Nominal discharge current | kA | 10 |
| 5 | DC 1mA reference voltage | kV | ≥245 |
| 6 | Residual voltage under lightning impulse current (peak) | kV | ≤435 |
| 7 | Residual voltage under operation impulse current (peak) | kV | ≤370 |
| 22 | Residual voltage under steep wave impulse current (peak) | kV | ≤490 |
Table 6 Parameters of neutral point lightning arrester
| No. | Item | Unit | Parameter |
| 1 | System voltage | kV | 132 |
| 2 | Rated voltage | kV | 90 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Nominal discharge current | kA | 1.5 |
| 5 | DC 1mA reference voltage | kV | ≥140 |
| 6 | Residual voltage under lightning impulse current (peak) | kV | ≤260 |
| 7 | Residual voltage under operation impulse current (peak) | kV | ≤240 |
| 8 | Residual voltage under steep wave impulse current (peak) | kV | / |
Table7 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 |
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