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Show filtered power on trends and ease DNB SCRAM threshold

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Codex Agent
2025-11-28 20:56:34 +01:00
parent c0b97cbe6b
commit a600b59809
2 changed files with 8 additions and 4 deletions
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src/reactor_sim/reactor.py
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@@ -446,10 +446,12 @@ class Reactor:
if (not self.secondary_pump_active or state.secondary_loop.mass_flow_rate <= 1.0) and total_power > 50.0:
self._handle_heat_sink_loss(state)
# SCRAM matrix: DNB, subcooling, steam generator level/pressure
if state.core.dnb_margin is not None and state.core.dnb_margin < 0.5:
if state.core.dnb_margin is not None and state.core.dnb_margin < 0.45:
LOGGER.critical("DNB margin low: %.2f, initiating SCRAM", state.core.dnb_margin)
self.shutdown = True
self.control.scram()
elif state.core.dnb_margin is not None and state.core.dnb_margin < 0.6:
LOGGER.warning("DNB margin low: %.2f", state.core.dnb_margin)
if state.core.subcooling_margin is not None and state.core.subcooling_margin < 2.0:
LOGGER.critical("Subcooling margin lost: %.1fK, initiating SCRAM", state.core.subcooling_margin)
self.shutdown = True