Lecture 12 Representation Learning in Reinforcement Learning

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What is the relation between length of span and sag?: a. sag is directly proportional to square of span b. sag is inversely proportional to squareroot of span C. sag is inversely proportional to square of span d. sag is directly proportional to squareroot of span

TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM: A generating station has two 50 MW units each running for 8,500 hours in a year and one 30 MW unit running for 1,250 hours in one year. The station output is 650 x 106 kWh per year. Calculate the utilization factor. 0.732 0.653 0.811 0.795

7. In the circuit below write the loop equations and set up (not solve) the matrix equation for the load current. Wiso 150 75 28 100

Q1 A three bus system has the following bus power and voltage specifications: Bus Real Reactive Generated Generated Voltage Bus type Power Power Real Reactive (p.u.) Demand Demand Power Power (p.u.) (p.u.) (p.u.) (р.и.) 0.4 0.25 unspecified unspecified 1.05 + j0.0 Slack 1.5 0.9 unspecified P-Q 3 1 unspecified 1.02 Р-V (magnitude) Angle unspecified The Ybus matrix is shown as follows: [542-68° 22Z116° Y = 22/116° 312108° 582-63° 33Z107° p.u. bus 312108° 33/107° 672-67° (a)Determine the voltages at bus 2 and bus 3 after first iterations using Gauss Seidel. Use flat start voltage. (b) If the final value of voltage at buses 2 and 3 are 12-5.13° p.u. and 1.02Z-8.32° p.u. respectively, calculate the following; (i) Real and reactive power generated at bus 1 (ii) Power losses in branch (2-3) 1. 2.

Voltages are represented by: e, = 20sinwt e2 = 30sin (wt ez = 40cos (wt +") e4 = -15sin wt es = -25cos (wt – ") Find the resultant instantaneous voltage using: (a) (b) (c) trigonometric identities component method complex method

Which of the following statements regarding the cost structure of a wind farm are true? Select one or more: a. The turbine accounts for 40% of the total cost of an onshore wind farm. O b. About half of the total cost of an offshore wind farm consists of foundation, substation and cabling costs. c. Almost half of the total cost of a wind turbine is made up of the cost of a tower and blades.

Shown in the figure, ahydroelectric plant has two devices, a turbine and a generator.  If the efficiency of the whole plat is are =80 % , the efficienty of the generator is =93 %, calculate the efficiency of the turbine _____%