CTS Ex p Transformer Substation
Transformer/Distribution Substations
CTS Ex p Compact Transformer Substation
| Application: | mining, oil-/ gas- and chemical industry |
| Distribution system: | TN |
| Transformer: | cast resin |
| Rated voltage transformer (Pn): | 100 – 1250 kVA |
| Connection: | Dyn11 – Class F |
| Earthed neutral-system: | direct |
| Rated voltage LV / MV (Ue1): | 0,4 kV / 24 kV |
| Rated current LV / MV (In1): | depending of the power / 630 A |
| Short-circuit-current (Icc x 1 sec): | 16 kA |
| Power frequency withstand voltage (50/60 Hz, 1 min) (Ud): | 50 kV |
| Rated lighting impulse withstand voltage (Up): | 95 kV |
| Auxiliary circuit voltage: | 24 V DC / 230 V AC |
| Frequency: | 50 Hz |
| Protection class: | IP 55 |
| Ambient temperature: | -20 °C up to +45 °C |
| Relative humidity: | 0 – 90% |
| Altitude: | <1000 m over sea level |
| Cable entries: | bottom |
| Surface treatment: | powder coated, RAL 3020 (red) |
| Dimensions: | up to 20 m³ (customized) |
Characteristics
- I M2 Ex pxb I Mb
- II 2D Ex pxb IIIC T 135°C Db
- II 2G Ex pxb IIC T4 Gb
- ATEX 2014/34/EU
- IEC EN 60079-0
- IEC EN 60079-1
- IEC EN 60079-2
- IEC EN 60079-7
- IEC EN 60079-11
- equipped with the pressurized system PCS-Ex p SIL2
- protective gas with overpressure inside the station departments and cubicles prevents the penetration of explosive gases from the outer atmosphere
- I M2 Ex pxb I Mb (for non outside installations in mining areas)
- II 2G Ex pxb IIC T4Gb (for outside installations)
- cooling system via heat exchanger air-water or fluid
- heat dissipator by radiation or convention
- battery system for independent power supply of pressurization logic unit
- outlets like equipment mounted couplers and 230 V sockets for the LV users
