Delivery of Unit-AP Arc protection devices for Centre branch of the Federal Grid Company at the end of 2020

Utitel Engineering LLC delivered Unit-AP arc protection devices for 16 SS of Centre branch of the Federal Grid Company.

The Unit-Ap Arc Protection Device - functions and features:

- High-speed arc detection via fiber optic sensors

- Extremely short operating time (≤1 ms)

- Up to 4 loop sensors (10m max length of each loop) or 2 radial sensors (25 m max length) resistant to the EMC

- Influences and sensitivity to the radiation pulses in the visible wavelength range

- 6 output relays (2xHigh-speed solid state relays, 3xSignalization relays, IRF)

- Up to 2 binary inputs (OCP start signal monitoring from an external relay)

- 7xLEDs, «Reset» button on the front panel

- CBFP

- Configurable software logic

- Communication port 1xRS-485 (Modbus RTU)

- Time synchronization