• 209 views | 3 messages Discussion: LEAP
    Topic: Exercise 1 (p22, p24~25, p26)Subscribe | Previous | Next
  • Hee Park 2/28/2015

    1199 Views

    Hi,
    I am new in LEAP, and following the LEAP training excercises since I do not know people who work on LEAP near me. There are some steps that I cannot understand. It would be a great help if anyone can give me a tip.

    (1) Excercise 1.4.1 (p 22)
    The "Transportation Module Properties" box shown in the upper right part shows that "simple non-dispatched module..." was clicked. I wonder what that means and what would be different if I do not click on that.

    (2) Excercise 1.4.2 (p 24~25)
    (2)-1. The "Yearly shape: System Load Curve" was divided by time slices of 1000 hour. Is there any reason that 1000 hour was chosen?
    (2)-2. "Peak load shape: % of Peak Load" was initially 100%, and it decreased to 10% in steps. What is the meaning of this?
    Does the initial value of 100% mean that the load is 100% in January? If so, why doesn't the load increase through the year?
    (2)-3. In Excercise 1-6 (p 32), the system load factor increased to 64%, but I cannot see the 64% in the "Yearly shape: DSM load shape" in the upper right figure. How the 64% is related with the "Yearly shape: DSM load shape"?

    (3) Excercise 1.4.2.1
    The capacity of the existing power plant was entered using "exogenous capacity", while the new power plant used "endogenous capacity". When should we use exogenous capacity, and when to use endogenous capacity?

    Thank you so much.

  • Taylor Binnington 3/1/2015
      Best Response

    1196 Views

    Hi Hee,

    Different types of transformation modules (including simple modules) are described in our help pages, here:

    http://www.energycommunity.org/WebHelpPro/Transformation/Module_Properties_Wiziard.htm

    The 1000-hour time slice is chosen only to demonstrate time slices in LEAP, for the purposes of the training exercise. Note that load curves for power systems are not arranged chronologically - instead, the time slices on the x-axis are arranged from highest to lowest load. Please read the following help pages, for a short description of how LEAP dispatches processes using a load curve, and for descriptions of two different types of load curves which LEAP allows:

    http://www.energycommunity.org/WebHelpPro/Transformation/Dispatching_Processes_on_a_Load_Curve.htm
    http://www.energycommunity.org/WebHelpPro/Transformation/System_Energy_Load_Shape.htm
    http://www.energycommunity.org/WebHelpPro/Transformation/Peak_Load_Data.htm

    Endogenous capacity differs from exogenous capacity because while the user specifies endogenous capacity addition sizes, LEAP decides if/when to add these additions. Please read LEAP's help pages on the topic, here:

    http://www.energycommunity.org/WebHelpPro/Transformation/Endogenous_Capacity.htm

    Note that each of the help pages which I've linked above are also accessible from within LEAP, by clicking the "Help" button on the right side of LEAP's main toolbar.

    Hope this helps,

    Taylor
  • Hee Park 3/2/2015
      Best Response

    1173 Views

    Hi, Taylor,

    The links you have provided was really helpful for me.
    Thank you so much.

    Best,
    Hee