TIMRSM | Turbine Integrated Mortality Reduction
Protect Bats and Increase Operation Time
TIMRSM is Normandeau’s smart curtailment system that combines real-time risk assessment and alerting capabilities to increase operation time of wind turbines while decreasing bat fatalities from collisions.
With TIMRSM you can generate a high conservation benefit at a lower economic cost.
TIMRSM uses real-time bat activity and onsite wind speed to curtail turbines. See how it works.
TIMRSM alerts the SCADA when bats are detected, so the SCADA can curtail the turbines until bats are no longer detected. (Click to enlarge)
Significantly Reduce Bat Fatalities
TIMRSM reduces fatalities for all species of bats and is the first and only system proven to reduce Myotis fatalities (EPRI in press). In a recent study TIMRSM reduced total bat mortality by 83% and Myotis mortality by 90%.
TIMRSM reduced bat mortality by 83% for all bats and by 90% for Myotis (EPRI in press).
Reduction in Bat Fatalities by Species
Source: EPRI in press.
Increase Operation Time
When compared to wind-speed-only curtailment, TIMRSM reduced total curtailment hours by 48% (from 361 hours to 172 hours) with a similar conservation benefit (EPRI in press).
External to the SCADA
The SCADA system sees TIMRSM alerts the same way it sees any other data feed (like wind speed).
The TIMRSM communication system is external to the SCADA, which allows for ready integration into most wind facility operations. This requires only minimal customization without changes to the core SCADA system.
See theTIMRSM FAQ for more details.
How TIMRSM Works
TIMRSM is designed to receive onsite weather data collected from the nacelle and real-time bat activity data collected by ReBAT®, our patented remote bat acoustic technology system, which is installed on a subset of turbine nacelles (5% to 10%) at the facility.
TIMRSM calculates a relative risk value, which is displayed on a computer screen at the wind energy facility’s operations center and communicated to the SCADA system through industrial communication protocol (DNP3).
The SCADA responds by curtailing turbines or resuming normal operations. Although TIMRSM is fully automated, a human operator can override it.
TIMRSM risk values are displayed on a screen at the wind energy facility’s operations center and sent to the SCADA system.
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