What is the meaning of load duration curve?
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.
A workshop measures 10m × 25m. The shop is illuminated by 24 lamps of 200 watts each. The lumen efficiency of each lamp is 15 lumens per watt. Depreciation factor is assumed to be 0.8 and a coefficient of utilization 0.5. Determine the illumination on the working plane.
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.
Which power plant has high load factor?
Define the terms: (i) Load factor (ii) Diversity factor (iii) Demand factor (iv) Plant capacity factor.
Define the following terms: (i) Average demand (ii) Load factor (iii) Plant capacity factor (iv) Plant use factor
State and explain Kirchhoff’s laws. Determine the current supplied by the battery.
Illustrate Energy conservation in motor by load matching and operating in star mode.
A moving coil instrument gives full scale deflection of 24 mA. When a P.D. across if is 108 mV. Find the value of – (i) Series resistance for full scale deflection of 400 V. (ii) Find the power consumption.
A plant consists of two 10 MVA generators of reactance 18% each and two 5 MVA generators of 12% each. All are connected to bus bar to supply a load through three step up transformers of 8 MVA each having reactance of 8%. Determine fault MVA on HV side of any one transformer.
What is a load regulation curve?
State Norton’s theorem and find the current using Norton’s theorem through a load.
Make use of load factor and maximum demand tariff to minimize electrical consumption of electrical installation.
Draw a schematic arrangement of a hydroelectric power station and describe the energy conversion process of a hydro power plant.
Compare base load plant with peak load plant. (any four)
How energy is generated in Nuclear power plant?
Illustrate the load sharing and isolating technique in transformer to predict energy efficiency.
How to find apparent load?
Why power factor of the transformer under no load is very low?
What is the power factor of an alternator at no load?
What is the formula for load factor?
Describe the energy conservation technique in power system by using reactive power compensator with their benefits and limitations.
Demonstrate the Energy Conservation Technique adopted in Lighting System by using energy efficient luminaries and using light controlled gears.
Discuss how power factor tariff results in energy conservation.
What is meant by n factor?
What is the purpose of a Bode plot in circuit analysis?
What is the purpose of a Bode plot in control systems?
How do inverters contribute to load balancing in energy systems?
How many hours is a 8000mah battery good for?
How many hours will a 5000mAh battery last?
How many hours is 4000mAh battery life?
How many hours is a 7000 mAh battery?
How to find potential energy?
Explain with a neat sketch the construction and working of Pelton turbine used in hydro power plant.
Explain the choice of size and number of generator units in a power plant.
Why Power Plant Capacity Rated in MW and not in MVA?
Explain the penalty clause of poor power factor while preparing energy bill.
Illustrate with neat sketch the working of automatic power factor corrector as an energy conservation device.
How do you install a power factor correction system for a renewable energy microgrid?
What are the 24 states of matter?
What is a bode frequency plot?
What is a root locus plot?
What is a Nyquist plot? Answer : A Nyquist plot is a graphical representation used in control systems and signal processing to show how the frequency response of a system behaves. It plots the complex values of the system's ... how systems behave in the frequency domain, especially in terms of stability and control system design....
How do you generate a Bode plot for an SMPS?
What is the Gibbs Helmholtz plot?
How to test 24 volts with A multimeter?
What is transient analysis plot?
What is octal binary conversion 24 8?
How to convert 24 octal to binary?
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