Given: A 2.4kV circuit has a load of 80 amps and a phase angle meter measures the current leading the voltage by 38 degrees. Find the True Power in watts - not kW. Do not included any symbols or letters to represent watts after your calculated answer.
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- TOPIC: Fundamentals of Alternating Current Powers Give illustration and a step by step solution. Final answer must be in 4 decimal places. 1. A load takes 55kW at 70% power factor lagging from a 240V, 50Hz supply. If the supply is made 60Hz, with the voltage remaining the same, what will be the kW load at 60Hz? 2. An inductive coil takes a current of 2A and consumes 160W when connected to a 240V supply. A second coil when connected across the same supply takes 3A and 500W. Find the total power when the two coils are connected in series to the supply. 3. A series RC circuit is connected to 230V, 60Hz source. If the power taken by the circuit is 4,800W and the voltage drop across the resistor is 115V, calculate the capacitance of the capacitor. Thank You in advance!Given the following Resistances and Inductors in Series and Voltage Source: R1 = 1,677 ohms R2 = 1,966 ohms L1 = 3 Henry L2 = 1 Henry Vs = 5 Volts Frequency = 55 Hz What is the Total Impedance (Amplitude) in ohms?THE RESISTANCE COIL AND CAPACITOR GIVEN THE VALUES WERE CONNECTED IN SERIES. FIND THE REQUIREMENTS. VOLTAGE = 400 VOLT FREQUENCY = 50 HZ.RESISTANCE: 30 OHM COIL: 70 MILLI HENRİ CAPACITOR: 100 MICRO FARATA) WHAT IS IMPEDANCEB) WHAT IS CURRENT C) WHAT IS THE POWER COEFFICIENT OF THE CIRCUIT
- 20. The resistance R and a 2 μF capacitor are connected in series across 200-V dc supply. Across the capacitor is a neon lamp that strikes at 120 volts. Calculate the value of R to make the lamp strikes 5 seconds after the switch has been closed. A. 4.89 kΩ B. 4.89 MΩ C. 2.73 MΩ D. 2.94 MΩFor the circuit shown in Figure, find the following: a. The magnitude of current in the circuit, I. b. The total power delivered by the voltage source, P,. c. The value of the unknown resistance, R./ d. The power dissipated by each resistor. 1 ka 4 ko E- 90 V RT- 12 ka 3 kaFind the following: (Please show complete solution) - Current after 3.3kohms resistor - Current after 1Okohms resistor - Current after 50kohms@50% variable resistor Given ans.: 720.825 µA, 512.396 µµA, 208.43 µA AIVIIVI II 720.825µA S9 R17 3.3k R18 10k 50% V9 www RP2 50k. RMM12 XMM13 LED LED1 1.497V 1.411V
- Connecting an ammeter and voltmeter to a series Resistive Capacitive circuit powered by a 60 Hz line results in the following readings. 240 , and 0.715 A. The resistor is 150 What is the true power ?1.12. A certain load takes 10 kW at 0.5 pf lagging when connected to a 230-V, 60-Hz source. The supply company charges a penalty when the power factor falls below 0.8. What size of capacitor must be used in order to avoid the penalty?2. The SONEL thermal plant in Limbe supplies SONARA with 1.0 MV at a p.d of 1.0 x 104v The total resistance between the power station and the factory is 0.52. a. What is the power output of the thermal plant b. Explain why the power station output voltage is always stepped up before transmission over a long distance