Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A 208-V Y-connected synchronous motor is drawing 50 A at unity power factor from a 208-V power system. The field current flowing under these conditions is 2.7 A. Its synchronous reactance is 1.6 W. Assume a linear open-circuit characteristic
(a) Find Vf and EA for these conditions.
(b) Find the torque angle d .
(c) What is the static stability power limit under these conditions?
(d) How much field current would be required to make the motor operate at 0.80 PF leading?
(e) What is the new torque angle in part (d)?
The charge-coupled device (CCD) which is used in video movie cameras to convert the image into electrical signals can be used as part of an automatic focussing system in 35-mm cameras as shown in Figure 1a. Determine the stability of the system
A certain oil filled 100 MVA three phase transformer is rated at 345 kV / 25 kV, 75 degree C temperature rise, FOA, 60 Hz, connected delta / grounded wye. The equivalent circuit of the transformer has leakage impedance of Z
A binary waveform of 53000 bits/sec is converted into an 8192 level waveform that is passed through a channel with a raised cosine-rolloff filter characteristic with r = 0.33. The channel bandwidth is what
an electric motor draws a current of 10 a with a voltage of 110 v. at the steady-state operation the output shaft
Derive the state space equation of a DC motor with: 1)supply voltage and load torque as inputs and 2)armature current, angular speed as outputs.
1) For a semiconductor E vs kx near the band edge Ec is given by E=Ec +(h2/16m0)*kx2 Determine the effective mass of electrons in the conduction band. Here m0 is the mass of a free electron. 2) E vs. kx for electrons near the valence band edge Ev can..
Design both inverters with an on voltage of 0.7v., and a DC operating point of Vin = 0.8v., Vout =2.5v. Compare the inverters AC transfer curve and their rise and fall times. Use a load capacitance of 10pF.
Write a 1,000-word essay about your chosen career. In this essay, you will include information gathered through research of external sources and your personal thoughts about your chosen career. You will use the entire writing process, from establishi..
What is the minimum level of the positive envelope for an AM signal with an unmodulated peak carrier level of 30 V and 80% modulation
Write a program to continuously turn all four green LEDs ON and OFF (toggle). There should be a one-second delay between each toggle. USING Assembly Language
Instantaneous voltage and current of capacitor, The current flowing through a 5 F capacitor is i=3e^-2t. What is the voltage as a function of time, if the initial voltage is zero?
Assuming the op amp is not saturated, find the Thevenin resistance between terminals (a,b). Since there is no independent voltage or current supply, the Thevenin voltage is zero, and one must attach a test source at (a,b)
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd