SEL - Model TPR6 36 - GIS Secondary Distribution Unit
The TPR6 36 is a versatile GIS secondary distribution unit designed specifically for switching operations within a 36kV distribution network. Ideal for ensuring service continuity during network faults, this modular system features a fully sealed stainless steel tank enclosing all live components, offering high reliability and safety. The unit's robust construction withstands electrodynamic stresses, while the front panel houses essential operating mechanisms, such as spring-operated switches, movable mimic for switch position indication, and voltage signaling lamps. The design allows easy access to the fuses and cable compartment, secured by an interlocked earth switch, enhancing operational safety. Additionally, a low voltage auxiliary compartment may be integrated above the main unit, providing further flexibility in various installation scenarios. The TPR6 36's compact dimensions and suitability for both indoor and outdoor use make it an efficient choice for modern electrical distribution systems.
TPR6 is a complete ring main unit range suitable for all the switching operations in 36kV, secondary distribution network.
Operating safely in a distribution network requires different switching points to obtain maximum service continuity in case of fault on the network.
TPR6 is a completely “sealed for life” system with a stainless steel tank containing all live parts and switching devices. A hermetically sealed steel tank from the outside environment ensures a high level of reliability as well as personal safety. The structure can withstand the electrodynamics stresses during the operation.
The operating mechanism, movable mimic and voltage signaling lamps are positioned in the front panel. Switches are operated by means of spring-operated mechanisms.
Movable mimic gives the position of the switch whereas the voltage signaling lamp indicates the voltages. Fuses and cable compartment are easily accessible through the front door which is interlocked with the earth switch. Should the low voltage auxiliary compartment be present, it is situated above the ring main unit.
Main Characteristics :
- Insulation Voltage : Up to 36 kV
- Rated Frequancy : 50 – 60 Hz
- Rated Short time withstand current Ik : Up to 20 kA
- Rated duration of short circuit tk : 1 – 3 s
- Degree of protection on front face : Indoor : IP 3X – 41
- Power supply companies.
- Power stations.
- Cement industry.
- Automotive industry.
- Iron and steel works.
- Windmills.
- Mining industry.
- Textile, paper and food industries.
- Chemical industry.
- Petroleum industry.
- Pipeline installations.
- Offshore installations.
- Electrochemical plants.
- Petrochemical plants.
- Shipbuilding industry.
- Diesel power plants.
- Emergency power supply installations.
- Lignite open-castmines.
- Traction power supply systems.