Define time off day tariff.
An industrial consumer charged with the scheduled tariff of Rs.250 /kVA per month for maximum demand and 150 paisa per unit consumed for load factor of 60% and 80%. Find overall cost per unit at i) unity P.F. ii) 0.9 P.F. consider maximum demand of 50 kVA.
Choose any four tariff schedule to reduce electricity bill of commercial consumer.
Illustrate with neat sketch the working of automatic power factor corrector as an energy conservation device.
Illustrate the load sharing and isolating technique in transformer to predict energy efficiency.
Identify the benefits and applications of availability-based tariff and power factor tariff.
A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.
List four relevant instruments to carry out energy audit in electrical laboratory.
Illustrate significance of Sankey diagram to identify the area for energy conservation in thermal system.
State two insulators of following types along with their areas of application: (i) Class A (ii) Class E (iii) Class H.
Describe the energy conservation technique in power system by using reactive power compensator with their benefits and limitations.
Illustrate Energy conservation in motor by load matching and operating in star mode.
Compare orifice plate with Venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss.
Explain a Single Phase Circuit with relevant diagrams.
What is the difference between on-grid and off-grid solar systems? Answer : The main difference between on-grid and off-grid solar systems lies in their connection to the utility grid and how they manage electricity. ### 1. **On-Grid Solar System**: ... off-grid systems provide complete independence from the utility grid but require more investment in energy storage....
Compare RTD and thermistor on the basis of: (i) temperature coefficient (ii) linearity (iii) temperature range (iv) cost.
How does an inverter impact the total cost of ownership?
Illustrate with neat wiring diagram a single lamp control by two-point method.
Illustrate with neat wiring diagram a single lamp control by two point method.
What is the impact of LED lighting on energy consumption?
How do you assess the impact of energy access on transmission systems?
How do you assess the impact of energy trends on transmission systems?
What is the impact of energy market dynamics on transmission planning?
How do you assess the impact of inverter technology on energy production?
What is the impact of inverter technology on energy efficiency?
How do you measure the impact of inverter technology on energy usage?
What is the impact of inverter technology on renewable energy growth?
What is the impact of inverter design on energy loss?
Explain the penalty clause of poor power factor while preparing energy bill.
Discuss how power factor tariff results in energy conservation.
Make use of load factor and maximum demand tariff to minimize electrical consumption of electrical installation.
What is meant by SCR turn-off time? Answer : The **turn-off time** of an **SCR (Silicon-Controlled Rectifier)** is the time it takes for the SCR to stop conducting (i.e., to switch from the "on" state to the "off" state) ... after the conditions for turning off have been met (like when the current through it drops below the holding current)....
How does an inverter's design affect its cost?
What is the proper procedure for shutting off power before working on wiring?
Explain the suitability of copper as an electrical conductor with reference to its mechanical and electrical properties.
Explain the suitability of aluminium as an electrical conductor with respect to its mechanical and electrical properties.
Compare simple KitKat fuse with MCB for i) Reliability ii) Braking capacity iii) Cost iv) Applications.
Is walking 30 minutes a day enough to lose weight?
Compare base load plant with peak load plant. (any four)
What is a soft-start circuit and its benefits?
Describe the operation of servo stabilizer and lighting transformer with regards to energy conservation in lighting.
What is a real-world example of MCB failure and its impact?
How To Calculate Your Electricity Bill?
How to calculate AC bill?
How many time the resistance of a wire changes when it is uniformly stretched to thrice its length?
Define the following terms with respect to protective relays: i) Relay time ii) Reset current iii) Plug setting multiplier iv) Time setting multiplier.
What is a real-time operating system and its types?
What are the benefits of real-time UPS monitoring?
What are the benefits of real-time monitoring in transmission systems?
What are the benefits of real-time processing?
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