Note: The rate per kWh is 1.50 php, compute for the Total Daily Bill:
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- Combination circuit what is PT? RT? IT? Voltage Across each load?A transformer is to be used to match an 8-Ωloudspeaker to a 500-Ω audio line. What is the turnsratio of the transformer, and what are the voltages atthe primary and secondary terminals when 10Wofaudio power is delivered to the speaker? Assume thatthe speaker is a resistive load and that the transformeris ideal.Calculate the reactance voltage for a machine which runs at 900rpm number of commutator segments is 65, brush width is 1.74 (in commutator segments), coefficient of self induction is 153 the conductor current is 27A.
- 6. How would you calculate total power consumption in Wye and Delta connections in a power transformer, considering wiring to a 480VAC input and 220VAC output?write down the overview of grid code technical requirements for high power WECS1. Draw the DC equivalent circuit and upload it here. (You can use any method/tool to draw this) and use caption Figure 3. 2. Draw the AC equivalent circuit and upload it here. (You can use any method/tool to draw this) and use caption Figure 4.
- Is it appropriate to step down and rectify the 220V AC signal via a transformer? 220 voltsrectify it and then reduce its value to the desired DC level with a voltage divider circuit?suitable.?Single phase half wave AC-AC converter has a resistance of R = 50 ohms. Input voltage is given as 230 Vrms. Transformer conversion ratio is 1:1. If T1 thyristor is triggered at 60 degrees; a)Rms output voltage? b)Output power? c)RMS load current and average load current? d)Input power factor? e)Average and RMS thyristor current?13.a. A bridge circuit is used to measure the loss of larger transformers because the circuitA. promotes safety.B. eliminates calculations.C. increases measuring convenience.D. improves measurement accuracy.13.b. A synchronous machine is run as an unloaded motor. If a low voltage is supplied at the ratedfrequency, and if the full-load armature current flows, a test is being run to determine theA. windage loss.B. I²R loss.C. stray-load loss.D. core loss.
- The power factor of the system is?????Q7: Which of the following is a correct combination of load and MCB rating? Five numbers of ordinary sockets of 13A, grouped in parallel: [6A, SP MCB] Nine numbers of light/fan grouped in parallel: [20A, SP, MCB] A 2-kW air conditioner: [20A, SP, MCB] A three phase motor of 4 KW: [20A, SP MCB]From the topic of insulation resistance testing of a transformer,(Layout of the Analog Insulation – Continuity Tester) the insulation of the equipment tested is healthy?Justify