SF6 Gas Pad Mount Switchgear
Entec's SF6 Gas Pad Mounted Switchgear is designed for the application in underground lines for voltage classes up to 15kV and 27kV, with the combination of Circuit Breaker(CB) and Load Break Switch(SW).
Each Circuit Breaker(CB) and Load Break Switch(SW) are easy to operate manually and three-position switch(Open/Close/Earth) is available. It also features mimic diagram and indicators that can provide positions of CB and SW to ensure customer’s safety.
By considering traditional air-insulated Switchgear, the size of SF6 Gas Pad Mounted Switchgear is significantly compact. It also allows pad-mounted style enclosure for outdoor installation.
Two types of microprocessor-based controls can be applied for the automatic operation: ETR102/104, which is a dual protection relay for metering and monitoring, and ETCCU104, which has built in RTU with communication, metering, monitoring, and recording functions.
The switchgear has been fully type tested by accredited laboratories such as KEMA, CESI or KERI according to the international standard.
Advanced Reliability of Operation
- -
- Embedded partial discharge monitoring(local/remote)
- -
- Separate main switch and earthing switch with safety interlock
- -
- Manual / Automatic operation available
- -
- Remote and local operation available via SCADA system
Enhanced Operational Safety
- -
- Over pressure rupture disk in case of tank pressure increase
- -
- Gas pressure gauge and gas refilling valve
- -
- Live line status indicator on each circuit for safety
Other Technical Features
- -
- Current Transformer : 1000 :1 ratio
- -
- CVD : Capacitive Voltage Divider (3% - standard)
RVD : Resistive Voltage Divider (1% - option)
- -
- 48 hours operation at fully charged battery without AC supply input
- -
- Manual Trip Device in case of no external power source and battery
Reference project
