General Description
EMT’s Smart FAI with the perfect Arch extinction performance is the gang operated Fault Automatic Interrupter for 15kV through 35kV on the overhead distribution feeders.
The SFAI have been specially designed for these live-switching duties :
♦ Motorising Full Load Current Breaking, Closing Capability , and Load Transfer Switching
♦ Transformer Magnetizing Current Switching
♦ Cable Charging Current Switching
♦ Automatic Sectionalising Operation with CT Integration
♦ Retrofitable SCADA system for Existing Manual LBS
[ Optional Function ]
♦SCADA operation function with RTU Integrating as DNP3.0, IEC101, IEC104 protocol
♦ SMART GRID Operation function with CT, RTU
♦ Mobile Phone monitoring and operation function with GSM modem
EMT’s SFAI equipped high performance arch extinguishing chamber, and switching operation with Motorizing, and Retrofitable Mechanism and Controller for Existing Manual LBS.
Features
High Reliability
High Performance Arch-Chamber with Reliable switching mechanism parts.
High rust-proof performance
Flexible and Retroffitable Existing Manaul LBS to SFAI
Available operation with Smart Grid system
Automatic Sectionaliser Function
Automatic Reclosing Function for Earth fault
SCADA operation Function
Mobile phone Operation Function in Option
| Item | Unit | Technical Data | ||
| Rated Voltage | kV | 12 | 25 | 35 |
| Maximum Rated Voltage | kV | 15 | 27 | 40.5 |
| Frequency | Hz | 50/60 | 50/60 | 50/60 |
| Continuous Current | A | 400/630 | 400/630 | 400/630 |
| Rated Breaking Current | A | 400/630 | 400/630 | 400/630 |
| Short-Time Withstand Current(1sec) | kA (Peak) | 25/32.5 | 25/32.5 | 25/32.5 |
| Flash Over Voltage(1min) Dry/Wet | kV | 50/40 | 60/50 | 80/70 |
| Impulse Withstand Voltage(BIL) | kV | 100/110 | 125/150 | 170/200 |
| Support Insulator | Polymer, or Porcelain | |||
| Operation | Manual ,or Motorizing | |||
| Apply Standard | IEC 60265-1 / IEC60129 / ANSI 37.41 | |||
| Current Monitoring | CT x 3 ea Equipped | |||
| Automatic Sectionaliser | With Sectionalsing Controller | |||
| Scada Operation | Option | DNP3.0, IEC101, or IEC104 | ||
| Smart Function | Option | Mobile Phone Operation and Monitoring | ||
| Smart Grid Operation Applicable | Option | Remotely Monitoring and Control | ||
| Retroffitable | Manual LBS >> Smart FAI | |||
