Features
- Control of start-up of protections;
- Analysis of the position of switches;
- Formation of selective shutdown signals
- Prohibition of AVR.
Applications
- Reduce the harm of arc light to human body;
- Reduce damage to equipment caused by arc short-circuit faults;
- Avoid transformer damage caused by bus failure;
- Protect the dc system in the station;
- Ensure the stable operation of power substations;
- Thermal power plant electrical section switchgear;
- Wind farm and photovoltaic station switchgear;
- Large municipal engineering project;
Specification
- Operation threshold PS-03: 10000 ± 30% lx
- Operate time without current control: no more than 12ms
- Ready time for protection operation after power-on: no more than 0.4s
- DC network, voltage: 110; 220V
- AC network, voltage: 100; 220V
- AC network from current circuits: 5A
- Interface for communication: with ACS TP RS-485
- Communication protocol: with APCS IEC 60870-5-103
- IEC 61850 (option)
- Interface for connecting: portable PC USB
- Signal value (DC/AC): from 100 to 250V
- Current: no more than 5mA
- Output Port Specifications: Number 8
- Switching voltage: 12V
- Output load capacity: not more than 0.1A
