LS RKN In 32A Un 240/415V- 30mA 0.15 CE IEC61008 LS Industrial Systems Test monthly 1/3/5/N 246 N MCCB RCBO MCB RCCB Isolator
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Q: 2- Find the efficiency of a 150 kVA transformer at 25 % full load at 0.8 p.f. lag if the copper loss…
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Q: 6- A 600 kVA, 1-ph transformer has an efficiency of 92 % both at full- load and half-load at unity…
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- Q. Define m00 re riachiné.. MOo DAw the State diagream of 1011 wi thout overlaPpingA 5-ohm resistor is connected in series with a 25 micro-farad capacitor. A source voltage of158 volts, 50 Hz supplies the combination. Determine the following:a. Circulating currentb. Voltage across the resistorc. Voltage across the capacitord. Real power supplied by the sourcePlease answer with step by step math for Zin, Zout, and the load voltage. Thank you!
- A chopper circuit drives an inductive load from 390 DC supply. Given the load resistance as 8 Q, the average load current as 23 A and operating frequency is 480 Hz. When the chopper is ON, 7 V is dropped. Calculate (a) conduction period (in milliseconds) (b) blocking period of the chopper (in milliseconds) (c) duty cycle of the chopper (d) draw the ON and OFF time period waveform (ii) Draw the circuit diagram of the single phase bridge rectifier which is used in two quadrant operation (RL load) and explain its operation.Given the center-tap fullwave rectifier circuit shown 220V 60Hz (+2) 220V:Es1-0-Es2 Es1 E$2 D1 D2 RL The transformer is rated 220V:12V-0-12V (Es1=Es2=12V) and the average current through the load RL is 400mA. Determine: (a) Average value, RMS value, and frequency of load voltage VRL. (b) Power dissipated by the load RL. (c) Average current and PIV of each diode.The step down DC chopper uses DC source voltage V(dc) = 200 V and resistive load impedance of 10 ohm. The duty cycle is 0.4 the voltage drop across the switch may be taken as zero, Calculate : (a) Average and RMS value of output voltage. (b) Average and RMS value of output current.
- Combination circuit what is PT? RT? IT? Voltage Across each load?A single phase full wave AC voltage controller has a resistive load of 5 ohms and an input voltage of Vs = 240 V (RMS), 50 Hz. The delay angles of both thyristors are set to 90 degrees. If the RMS output voltage Vo is equal to 169.7V, then the input power factor is equal to: Select one: a. 0.85 lagging b. 0.768 lagging c. 0.707 lagging d. None of theseSection [Section Upload answer sheets Find the following parameters of an ac voltage given by the equation v-100sin370t.Find RMS value,form factor, peak factor, average value and frequency. E Submission