diff --git a/process/io/obsolete_vars.py b/process/io/obsolete_vars.py
index bbba669882..9aadfe94ce 100644
--- a/process/io/obsolete_vars.py
+++ b/process/io/obsolete_vars.py
@@ -463,6 +463,12 @@
     "f_deuterium": "f_plasma_fuel_deuterium",
     "f_tritium": "f_plasma_fuel_tritium",
     "f_helium3": "f_plasma_fuel_helium3",
+    "t_fusion_ramp": "t_plant_pulse_fusion_ramp",
+    "t_current_ramp_up": "t_plant_pulse_plasma_current_ramp_up",
+    "t_ramp_down": "t_plant_pulse_plasma_current_ramp_down",
+    "t_between_pulse": "t_plant_pulse_dwell",
+    "t_precharge": "t_plant_pulse_coil_precharge",
+    "t_burn": "t_plant_pulse_burn",
 }
 
 OBS_VARS_HELP = {