Identify the correct statements. Maximum solar power injection during off-peak load hours may result in undervoltage conditions. Peak load hours with little or no solar power may result in undervoltage conditions. Reverse power flow is not possible in active distribution networks (ADNs). All of the above statements are incorrect1 pointBattery Energy Storage System (BESS) has been proven to be an effective solution for _____ Voltage control Flattening of load curve Reduction in power losses All of the above1 point1.      What are the smart grid R&D areas under ICT and cyber security? Seamless grid operation involving transmission and distribution system operators Reliable wired and wireless communication technologies Coordination and control of multiple converters All of the above1 pointWhat are the primary goals of the Indian Smart Grid pilot projects in the distribution system? Incorporating Advanced metering infrastructure (AMI) Incorporating Outage Management System (OMS) Incorporating Peak load Management (PLM) All of the above1 pointWhat is/are the probable causes of errors during PHIL experiments? Accuracy of measuring sensors and their related scaling factors. Scaling factors associated with GTAO and GTAI of RTDS. Both None1 pointThe excess load demand in Active Distribution Networks (ADN) results in _____ Voltage sag and reverse power flow Voltage rise and reverse power flow Voltage sag only Voltage rise only1 pointWhat is /are the main objectives of IIT Kanpur Smart City? Demonstration of future capabilities of Smart city. Renewable energy integration in the form of Grid-connected PV. Advanced metering Infrastructure. All of the above1 pointPower flow control of DC Microgrid falls in _______ layer of control. Primary Secondary Tertiary Zero-level

Design a solar PV system for a roof mounted system for the loadswhose details are given in Table.1 below.Table.1Load Rating (W) Number Hours/dayCFL 15 4 5Fan 75 3 6TV 100 1 3Refrigerator 150 1 12Solar PV panel to be used have the ratings W p =80 W, V m =17.6V,I m =4.55A.Operating factor =0.8Battery efficiency=0.85Inverter Efficiency= 0.95Charge controller efficiency= 0.95Days of autonomy =2.

Which of the following is true?A. Grid-tied solar power systems are mostly installed in cities, suburbs and industrial areasB. Solar energy panels combined with batteries and generators for grid-tie applications couple the clean, power supplied by solar panels with the assurance that electricity is available even during power outagesC. Standalone, or off-grid, solar power systems consist of solar panels and a battery bank.D. Simple, direct DC solar panel power systems produce energy where and when it's needed.  None of the above  A & D  B & C  All of the above

Statement-A) A bi-directional DC-DC converter can connect PV panels to a conventional three-phase grid.Statement-B) Ultracapacitors are connected to a DC microgrid using an AC/DC bidirectional converter. Statement A is true, and B is false. Statement B is true, and A is false. Both are true. Both are false

Statement - A) AC Load flow studies refer to the transient state analysis of the power system computing voltages and angles at each bus.Statement - B) AC Load flow studies compute voltages and angles at each bus. A is true, and B is false. A is false, and B is true. Both A and B are true. Both A and B are false.1 pointStatement - A) The transmission system has a high X/R ratio. Statement - B) The distribution system has a low X/R ratio. A is true, and B is false. A is false, and B is true. Both A and B are true. Both A and B are false.

Which of the following depicts the need for energy storage in power grid system operation?  I. Black-start services  II. Reduce renewable energy curtailment  III.Capacity investment deferral  IV. Frequency regulation and flexible ramping