© 2022 JSC "ATIS"
power supply device UEP-U-M
UEP-U-M provides:
- Connection of cables of two external sources of three-phase alternating current (main feeder, backup feeder) and DGA feeder.
- Continuity of power supply to the loads connected to the uninterruptible power system during the set time, when switching external power supplies or when they are turned off.
- Continuous monitoring of normalized parameters of external power sources: overvoltage, voltage drop in any of the phases, phase sequence, phase failure, AC frequency.
- Control of operation of surge protection devices, control of operation of circuit breakers, control of operability of direct current sources, indication of operability of UBP remotely by means of a supervisory control system.
- Work in modes with the predominance of one of the feeders or equivalent feeders.
- Transmission of information about the emergency state of UEP-U via cellular communication systems by means of an SMS message sent to the mobile phone of an SCB electrician, an SCB distance dispatcher.
- Automated workplace station attendant and electrician ;
- Central processing unit (CPU);
- Object controller cabinets (OK);
- Station traffic lights, ABTC traffic lights;
- Working and control chains of railroad arrow;
- Tonal rail circuits and coding;
- Relay circuits MPC and ABTC;
- Station crossings and footpaths, provided that it is impossible to provide them with power from the power supply line;
- Emergency lighting of relay rooms (transportable module) and DSP;
- STDM and DC devices;
- Channel-forming equipment of the local network and communication loops;
- Radio communication devices (in the absence of individual UBPs);
- Speech informants;
- Loads of guaranteed power supply.