Siemens Protection Relay

Product Details:

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