Applocations:
REG-D relay for voltage control & transformer monitoring as well as interface modules with binary inputs & outputs and analogue inputs & outputs are used as an optimal solution for control, regulation & monitoring tasks on power transfor- mers.
The following protocols are available:
- IEC 60870 - 5 - 101 / 103 / 104
- IEC 61850
- LON
- DNP 3.0
- Profibus DP
- MODBUS RTU
- SPABUS
Characteristics of the Relay for Voltage Control & Transformer Monitoring
- Large backlit LCD (128 x 128) with all Important information (tap-change position, voltage, etc.)
- Measuring functions (U, I, P, Q, S, cos ¿¿, ¿¿, I sin ¿¿, f )
- Recorder functions (multichannel line recorder)
- Statistics functions (total number of switching operations, switching operations pertap)
- Event recorder (log book)
- Transformer-monitoring functions for recording of the hot-spot temperatureand lifetime consumption
- Freely programmable binary inputs
- Freely programmable binary outputs
- Freely programmable analogue inputs & outputs (mA)
- PT 100 direct input
- Input for tap-change potentiometer (200 ¿¿¿ ... 20 k¿¿¿
- total resistance)
- Control of three winding transformers
- Control of phase-shifting transformers
- Control of single phase transformer bank
- Control of transformers having bi directional power flow
- Interface with Online DGA
- Interface with Fiber Optic Temperature Monitoring System
- Interface with Bushing C & Tan Delta Monitoring System