Tcfs-12 12kv Compact Fixed Type for Solid Insulated Ring Main Unit
Tcfs-12 12kv Compact Fixed Type for Solid Insulated Ring Main Unit image
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Basic Info.
Product Description
Summary:
TCFS-12 Compact Stationary Solid Insulated Switchgear (hereinafter referred to as “switchgear”) is a new generation of extensible, modularized and free-maintenance metal enclosed switchgear, which is widely used in 3-12kVand 50Hz electric system. Its switches are including:
TLS load switch
TLS-T load switch+ fuse-combination unit
TVC breaker
TLG isolated earthing switch
Environmental Conditions:
2.1 Ambient air temperature
a) Upper +40ºC;
b) Lower -25ºC.
2.2 Ambient temperature
a) Daily average relative humidity:≤95%;
b) Monthly average relative humidity:≤90%;
c) Daily average saturated vapor pressure:≤2.2kPa,
d) Monthly average saturated vapor pressure:≤1.8kPa.
2.3 Altitude
No more than1500m.
2.4 Operation place
No flammable, explosive hazard, chemical corrosion and severe vibration.
Picture:
Specification:
| No. | Parameters name | Unit | Parameters | ||||||
| Circuit breaker | Load switch | ||||||||
| 1 | Rated voltage | kV | 12 | ||||||
| 2 | Rated current of main busbar | A | 630 | 1250 | |||||
| 3 | Rated frequency | Hz | 50 | ||||||
| 4 | Rated short time withstand current | Main circuit | kA | 25 | 31.5 | ||||
| Ground circuit | 21.7 | 27.4 | |||||||
| 5 | Rated short-time peak current | Main circuit | 63 | 80 | |||||
| Ground circuit | 54.5 | 68.5 | |||||||
| 6 | Rated short circuit withstand time | Main circuit | s | 4 | |||||
| Ground circuit | 2 | ||||||||
| 7 | Rated short circuit closing current (peak) | kA | 63 | 80 | |||||
| 8 | Rated short circuit breaking current | 25 | 31.5 | ||||||
| 9 | Rated short circuit breaking times | Times | 30 | ||||||
| 10 | Rated operation sequence | O-0.3s-CO-180s-CO | |||||||
| 11 | Mechanical life | Circuit breaker (load switch) | Times | 10000 | |||||
| Three-position switch | 5000 | ||||||||
| 12 | Rated insulation level | 1min power frequency withstand voltage (effective value) | Phase, to ground | kV | 42 | ||||
| Fracture | 48 | ||||||||
| Lightning impulse withstand voltage (peak) | Phase, to ground | 75 | |||||||
| Fracture | 85 | ||||||||
| Power frequency withstand voltage of secondary circuit | V | 2000 | |||||||
| 13 | Contact opening distance | mm | 9±1 | ||||||
| 14 | Overtravel | 3±0.5 | |||||||
| 15 | Interphase center distance | 210±1 | |||||||
| 16 | Closing contact bounce time | ms | ≤2 | ||||||
| 17 | Three phase asynchronous of opening | ≤2 | |||||||
| 18 | Opening time | highest | 17~55 | ||||||
| rated | |||||||||
| When the operating voltage is | Minimum | ||||||||
| 19 | Closing time | ms | 30~70 | ||||||
| 20 | Average opening speed (first 6mm average) | m/s | 1.0~1.8 | ||||||
| 21 | Average closing speed (after 6mm average) | 0.8~1.4 | |||||||
| 22 | Main conductive circuit’s resistance | μΩ | ≤100 | ||||||
| 23 | Contact pressure | N | 3200±150 | ||||||
| 24 | Opening contact’s rebound amplitude | mm | ≤2 | ||||||
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