A system for controlling fluid flow in a turbine , said system comprising: at least one flow valve configured to regulate fluid intake through the turbine ; and a control system operatively coupled to said at least one flow valve , said control system comprising at least one processor being configured to receive a percent value flow command and a rated load constant , the rated load constant comprising a predetermined unit value received from memory ; convert the percent value flow command to a first unit value flow command by multiplying the percent value flow command by the rated load constant of the turbine to obtain the first unit value flow command ; determine a first unit value stroke command based on the first unit value flow command ; control a position of said at least one flow valve using the first unit value stroke command ; receive an updated rated load constant ; convert the percent value flow command to a second unit value flow command using the updated rated load constant ; determine a second unit value stroke command based on the second unit value flow command ; and control the position of said at least one flow valve using the second unit value stroke command . at least one flow valve configured to regulate fluid intake through the turbine ; and a control system operatively coupled to said at least one flow valve , said control system comprising at least one processor being configured to receive a percent value flow command and a rated load constant , the rated load constant comprising a predetermined unit value received from memory ; convert the percent value flow command to a first unit value flow command by multiplying the percent value flow command by the rated load constant of the turbine to obtain the first unit value flow command ; determine a first unit value stroke command based on the first unit value flow command ; control a position of said at least one flow valve using the first unit value stroke command ; receive an updated rated load constant ; convert the percent value flow command to a second unit value flow command using the updated rated load constant ; determine a second unit value stroke command based on the second unit value flow command ; and control the position of said at least one flow valve using the second unit value stroke command . receive a percent value flow command and a rated load constant , the rated load constant comprising a predetermined unit value received from memory ; convert the percent value flow command to a first unit value flow command by multiplying the percent value flow command by the rated load constant of the turbine to obtain the first unit value flow command ; determine a first unit value stroke command based on the first unit value flow command ; control a position of said at least one flow valve using the first unit value stroke command ; receive an updated rated load constant ; convert the percent value flow command to a second unit value flow command using the updated rated load constant ; determine a second unit value stroke command based on the second unit value flow command ; and control the position of said at least one flow valve using the second unit value stroke command . <EOS>