Question

مثال: الحمل مع 0.8 PF متخلف يمتص 60 وات من خط كهرباء 100 فولت ، 60...

مثال: الحمل مع 0.8 PF متخلف يمتص 60 وات من خط كهرباء 100 فولت ، 60 هرتز. مطلوب لتصحيح معامل الطاقة إلى 0.9 متخلفة. أوجد: 3- تيار الخط الأصلي والأخير ب) قيمة العنصر المراد إضافته لتحقيق تصحيح pf المطلوب

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Example: The load with lagging 0.8 PF absorbs 60 watts of a 100 V, 60 Hz...
Example: The load with lagging 0.8 PF absorbs 60 watts of a 100 V, 60 Hz power line. Required to correct power factor to 0.9 lag. Find: 3- The original and last line current b) The value of the element to be added to achieve the required pf correction ... power factor
Given 220V rms, 60Hz, 260 VAR, pf =0.8. Find the complex power and the size of...
Given 220V rms, 60Hz, 260 VAR, pf =0.8. Find the complex power and the size of capacitor (in Farads) to make pf unity.
An 8 pF capacitor is connected in series to a parallel combination of a 15 pF...
An 8 pF capacitor is connected in series to a parallel combination of a 15 pF and a 3 pF capacitor, the circuit is then charged using a battery with an emf of 34 V. a) What is the potential difference across the 8 pF capacitor? b) What is the charge on the 3 pF capacitor? c) How much energy is stored in the 15 pF capacitor?
A 75-kW, 440-V, 0.8-PF-leading Y-connected synchronous generator has an armature resistance of 0.22 Ω and a...
A 75-kW, 440-V, 0.8-PF-leading Y-connected synchronous generator has an armature resistance of 0.22 Ω and a synchronous reactance of 3.0 Ω. Its efficiency at full load is 89% (1 Hp=746 watt). (a) What is the line current of the generator at rated conditions? (b) What is the internal generated voltage EA of this motor at rated conditions?
In a test of the hypothesis H0: p = 0.8 against Ha: p > 0.8, the...
In a test of the hypothesis H0: p = 0.8 against Ha: p > 0.8, the power of the test when p = 0.9 is greatest for which of the following? (4 points) n = 70, α = 0.10 n = 75, α = 0.10 n = 70, α = 0.05 n = 75, α = 0.05 There is not enough information given to draw a conclusion.
Use the data in the file to calculate a 90% confidence interval for pF−pM, where pF...
Use the data in the file to calculate a 90% confidence interval for pF−pM, where pF is the proportion of NC State female students that prefer Diet Coke over Coca-Cola Classic and pM is the proportion of NC State male students that prefer Diet Coke over Coca-Cola Classic. NOTE: calculate the sample proportions to 3 decimal places. The results are in this Excel file. shorturl.at/adtA4
A 3 phase 15 kVA load has a PF of 0.34. The power was measured by...
A 3 phase 15 kVA load has a PF of 0.34. The power was measured by two wattmeter method. Find the reading of each wattmeter (i) when the PF is leading, (ii) when PF is lagging.
(360) Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole -connected synchronous motor has 0.9Ω synchronous reactance....
(360) Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole -connected synchronous motor has 0.9Ω synchronous reactance. Friction; wind; core losses and armature resistance are neglected. a) If the motor is operating under magnitude of phase current (ia) (180) Ampere and power factor of 0.6 lagging, 1. Find the input power of motor in hp 2. Find the generated voltage, EA 3. Find the torque and the maximum inducible torque in current state. b) If EA is increased by 18% find,...
410 Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole Triangle connected synchronous motor has 0.9Ω synchronous...
410 Volt, 60 Hz, 600 hp, 0.6 pf-leading, four-pole Triangle connected synchronous motor has 0.9Ω synchronous reactance. Friction; wind; core losses and armature resistance are neglected. a) If the motor is operating under magnitude of phase current (ia) 230 Ampere and power factor of 0.6 lagging, 1. Find the input power of motor in hp (10p) 2. Find the generated voltage, EA (10p) 3. Find the torque and the maximum inducible torque in current state. (10p) b) If EA is...
Consider an NPN BJT with the following parameters. Beta = 85, Cmu = 1 pF, Co...
Consider an NPN BJT with the following parameters. Beta = 85, Cmu = 1 pF, Co = .5 pF, and Cpi = 6 pF. With IC = 70 mA, r0 = 50 Ohms. RLOAD = 50 Ohms and RSIG = 1K. The available power supply is +12V DC. All coupling caps are 1 uF. Design an amplifier circuit using this transistor with a gain of -50. Calculate the upper and lower 3 dB points of your design. There is a...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT