OneProd MVX - DAT Option Performance Optimisation; BGI: for the Monitoring of Structures; GCI: for Particle Counting

14
Brand of ACOEM
Complementary limitations, only for 1
st
generation MVX
Number of channels with Time wave on event
32
24
16
8
4
3
2
1
Maximal duration (in s) with pre-trigger = 0
30
40
60
120
240
320
480
480
Maximal duration (in s) with pre-trigger = full length
9
13
19
39
78
117
156
156
Note: Internal RAM cannot be upgraded.
2.3.3 DAT option performance optimisation
Firmware version 5.0.x.x improves substantially DAT performance in optimizing RAM
management in two directions:
Limiting RAM consumption for a given configuration
Involving the additional RAM that is available on the last generation products (Please
see §12)
2.3.4 BGI: for the monitoring of structures
BGI = Blade Guard Index.
BGI is a specific indicator, dedicated to monitor structural resonance phenomena. It
can be particularly suitable for wind turbine blades when associated to specific
sensors.
BGI requires DAT option in order to get time wave on alarm signal.
2.3.5 GCI: for particle counting
GCI (Gearbox Condition Index) is dedicated to particles counting.
GCI is available with MVX Easy or Premium.
Particle sensor (i.e. GASTOPS / MetalSCAN) are especially useful for degradations
of the wind turbine gearboxes.
GCI is performed on 100% of time.
GCI is made with 3 sub-indicators:
 GCI-h : number of particle detected in the last hour
 GCI-d : number of particle detected in the last 24 hours (performed in a
slipping mode)
 GCI-t : Total number of detected particle
Each sub-indicator is monitored with its own set of thresholds.