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MPFC-UB
multiuse power factor controller and unbalance monitor
The MPFC-UB from BELUK is an measuring and conrtrol device for monitoring and protection of capacitor stages.
Unbalance monitoring for double star or H-bridge connected capacitors
with natural unbalance compensation.
Protection by alarm signalling and triggering after limit values are exceeded
TRMS true effective value measurement
Sampling rate of 6.4kHz (128 samples/period)
40 alarm messages can be selected from 65 measured values,
including compliance with voltage harmonics in accordance with EN50160
Features
Hardware:
Front panel mounting device 144 x 144
Connection plug-in screw terminals max. 2.5 mm²
3 voltage measurement inputs (L1-L2-L3-N)
4 current measurement inputs (via x/1A and x/5A current transformers)
2 digital inputs
2 changeover contacts
2 NO contacts
4 output relays (AC) / transistor outputs (DC)
Data memory up to 32 GB µSD
RS485 interface (Modbus RTU, slave, up to 115200 kbps)
Temperature sensor NTC22K
Measurement:
TRMS true effective value measurement
Determination of cos phi in relation to the fundamental wave
Harmonics: up to 63rd harmonic
Measurement category: <= 300V CAT IV and >300V to 600V CAT III
Sampling rate: 6.4kHz (128 samples / period)