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Primary frequency control upgrade
GE’s algorithm upgrade to your primary frequency control (PFC) is customized to meet specific grid requirements, enabling operation of plant equipment continuously between 47 – 52 Hz.
Benefits
What can upgrading do for you?
Primary frequency control (PFC) enables a frequency response to maintain grid stability. This PFC frequency response algorithm replaces the tuning of regular droop speed controls, which are standard on any turbine:
- Maintains correct frequency for turbine/generator by adjusting the total MW output
- Capability for the equipment to react immediately when system frequency is beyond dead band limits
- More accurate grid frequency measurements
- Continuously maintain required reserves in line with grid fluctuations
- Allows customer control on their reserve in line with the resultant deviations in the system frequency
Incorporation of latest fuel core includes 25 software improvements focused on:
- SPRINT* and NOx water schedule optimization (reduced chance of water in the turbine lube oil)
- Expanded operating ranges on PS3, T2, and T3
- Improved trip reduction
- Integrated SPRINT* and NOx water schedule benefits:
- NOx water active during fuel transfers
- SPRINT* water flow dependent from fuel flow
- Variable SPRINT* modulates water flow to better accommodate load following and lower water consumption in base load operations
How we get you there
- Immediately activates when the grid frequency is not within the set dead band limits and responds within 30 seconds
- Turbine power will increase or decrease in response to any sudden changes
- Allows dispatch operations to set a reserve power setting (from 65% power to base load) to allow automatic increase or decrease in power during grid frequency shifts
- Enables operation of the plant and equipment continuously between 47.5 – 52.0 Hz and for at least 20 seconds between 47.0 – 47.5 Hz
- Engineered to be enabled/disabled from a local HMI or via remote operations
- An optional high-speed data log is available with sensitivity to 10 mHz
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