― Continuing in our CSP series, let’s understand how dish antenna works. ∙ Before going to parabolic trough, let’s understand the principle of CSP. ∙ The receiver receives heat from sun light. This heat is gathered in oil or other heat medium which further converts water into steam. This steam is used to run steam turbine which produces electricity. ∙ Source : solareis.anl.gov ∙ The working of dish engine is slightly different from Parabolic Trough and Power Tower. [...].