Pre-Start Reactor

Start-Up Guide

Prepare the RBMK-1500 reactor for a safe and stable startup by completing the Pre-Startup Checklist and configuring all supporting systems.


Stage One Startup



Stage Two Startup

Withdraw Control Rods until power reaches 2100 MW.

Turbine A Run-up



If sync is unsuccessful



If sync is successful



Stage Three Startup


Turbine B Run-up


If sync is unsuccessful



If sync is successful



Stage Four Startup


Reactor Variability

Low Power Range [4000MW - 4200MW]


Medium Power Range [4200MW - 4500MW]


High Power Range [4500MW - 4800MW]


Auto Bypass

500 MW

AutoBalance MW:

AutoBalance MW (+12):



The Deaerator significantly contributes to the amount of steam the reactor can produce; adjust the inlet and outlet valves accordingly.