A building, supplied by a 230 Vrms source and with inductive loads, has an average consumption of 40kW and 26kVAR. Find the following: - Power factor of the load - By installing a capacitor in parallel with the building, what is the minimum kVAR needed to make the power factor within the range of 90%-100%

A building, supplied by a 230 Vrms source and with inductive loads, has an average consumption of 40kW and 26kVAR. Find the following: - Power factor of the load - By installing a capacitor in parallel with the building, what is the minimum kVAR needed to make the power factor within the range of 90%-100%

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.18P: Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of...

See similar textbooks

Similar questions

A building supplied by a 230 Vrms source has inductive loads that have an average consumption of 40kW and 26kVAR. What is the average current drawn in by the building and its effective impedance?
If the load is connected across a 400 Vrms source, determine the real and reactive power consumed by the load.
An industrial plant is supplied by a power utility company with voltage of 7.97 kV. To monitor the plant’s performance and consumption, the utility company installed a potential transformer (PT) and a current transformer (CT) at the plant’s premises. The specs of the transformers are as shown on Fig. 1. If V , negative sequence (that is V, V) , and plant is drawing 2000 kW at 0.90 pf lagging, find the following:1.Assuming the load is Y-connected, what is the voltage VAN in volts? Enter magnitude only in 2 decimal place.
An engine consumes 50 kW at a power factor 0.8 lagring.from a 220 Vrms and 100Hz line, find capacitors in parallel with the load which makes the power factor 1
The feeder is to be used with an antenna for which an inductive reactance is measured as j60 Ohms at 1.7 MHz. The resistive part of the antenna’s impedance is measured as 80 Ohms. Using the online impedance matching calculator, design a suitable impedance-matching network for each of the two cables if the coaxial cable has a characteristic impedance of 75 Ohms and the twin lead cable has a characteristic impedance of 300 Ohms, so that the inductance is in the longitudinal branch, while the capacitor is in the transversal branch of the impedance matching network. Do not round the resulting values.
The motor inside a blender can be modeled as aresistance in series with an inductance, as shown inFigure.a. What is the average power, PAV, dissipated in theload?b. What is the motor’s power factor?c. What value of capacitor when placed in parallelwith the motor will change the power factor to 0.9(lagging)?
"A steel plant consists of arc furnace is supplied by distribution system and has analyzed for the harmonics. It is observed that in equipment 2 ohms resistive element is the path for a fundamental current of 100 Amp containing additional 3rd and 5th harmonics levels whose amplitude are inversely proportional to their harmonic orders. Determine the (i) RMS current (in Amps) (ii) Increase in losses(in kW) of equipment due to harmonics (iii) Total current harmonic distortion (iv) If the fundamental current in equipment increased to double with harmonic currents keeping the same proportion relative to fundamental current, determine the RMS current. "
Consider a PV module with the following external parameters at STC: Pmax = 320 W, VOC = 45 V, ISC = 8 A, NOCT =40 °C and the temperature coefficient of power is −1 W/°C. a) If the ambient temperature rises to 35 °C while the irradiance is 1,000 W/m2, what is the cell leveltemperature, calculated with the NOCT model?b) What is the new power output of the PV module under the new ambient temperature of 35 °C and 1,000W/m2irradiance?
A single-phase consumer who lives in San Francisco has an annual average monthly consumption of 430 kWh. In San Francisco, the average hours of full sun is 3.96 hours / day. Considering the losses of 20%, based on the data below (image), find: The arrangement of these 14 photovoltaic panels that will be used.
A single-phase consumer who lives in San Francisco has an annual average monthly consumption of 430 kWh. In San Francisco, the average hours of full sun is 3.96 hours / day. Considering the losses of 20%, based on the data below (image), find: The number of photovoltaic panels that will be used.
The figure below shows an RLC electrical network operating on alternating current. A load impedance Z of unknown value has been connected to the output of said network. a) Find the value of the load impedance Z, which is necessary to connect to the output of the given network to obtain the maximum average power transfer.b) Determine the value of the maximum average power transferred to the load found in the previous section.Note, the values of all impedances shown in the circuit are given in Ohms.
TRUE OR FALSE? On the electric power grid, supply must equal demand at all times, otherwise frequency can swing outside the accepted limit. Storage, transmission, and demand response can help to meet this constraint.