- For a short line if the receiving end voltage is equal to the sending end voltage under loaded conditions...
- The sending and receiving end voltages of a three phase transmission line at 100 MW load are equal at ...
- In long AC transmission lines, the receiving end voltage becomes greater than sending end voltage at light
- The sending end and receiving end voltages of a three-phase transmission line are 10 kV/ph and 9.5 kV/ph,
- In a fullwave rectifier circuit with centre tap transformer, if voltage between one end of secondary winding...
- A voltage of 1000 kV is applied to an overhead line with its receiving end...
- in the above question find the sending end voltage of the transmission line
- A 60 Hz, 320 km lossless line has Bending end voltage 1.0 p.u, The receiving end voltage on no load is
- Two transformers A and B having equal outputs and voltage ratios but unequal percentage
- Induced emf in the primary of transformer is equal to terminal voltage applied at primary
- When The dc converter in figure shown has a resistance load of R = 10 Ω and the input voltage is Vs 220 V the converter switch remains on, its voltage drop is Vo -2 V. The chopping frequency is fI K sW Vs If the duty cycle is 50%, determine: (a) the average output voltage V (b) the RMS output voltage Vo (c) the converter efficiency (d) the effective input resistance of the converter
- A synchronous condenser is used at the receiving end of a transmission line for
- The voltage transformation ratio of a transformer is equal to the ratio of?
- Which test is used to determine the magnetizing impedance of a transformer?
- Why are shunt reactors connected at the receiving end of long transmission line system:
- When the load on a transmission line is equal to the surge impedance loading
- In a three-phase system, when the loads are perfectly balanced, the value of neutral current is equal to:
- When power ratios are expressed in dBm, the reference power is
- To determine the polarity of the voltage drop across a resistor, it is necessary to know?
- The line voltage EL in a star connection is equal to.... (Ep = phase voltage)
- In which of the following waveforms is RMS voltage equal to the average voltage?
- A no-load test is performed on a transformer to determine?
- Sumpner's test is conducted on transformer to determine?
- If two 3-phase transformers with unequal voltage ratios are connected in parallel, the result is
- When XL is equal to Xc then:
- The power in a series R-L- C circuit will be half of that at resonance when the magnitude of the current is equal to
- The initial response when the output is not equal to input is called?
- A supply of 24 V DC is applied across a circuit which consist of three resistors connected in parallel R1= 1.2KΩ, R2= 560 Ω, R3= 2.1Ω and a fourth resistor of 7.8 Ω connected in series with the parallel group. Determine the current, voltage and power across each resistor
- If current is I and voltage is V, then power P is equal to
- a single phase full wave midpoint thyristor converter uses a 230/200V transformer with centre tap on the
- Transformer voltage is maximum when two coils are
- A large transformer operating at no load draws an exciting current Io of 5A, when the primary is connected to...
- Ripple in output current of a step-down chopper feeding RLE load is maximum, when duty cycle is equal to:
- The maximum flux in a transformer is φm when primary voltage is V and the frequency is f. If the primary
- When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is?
- For a fixed value of complex power flow in a transmission line having a sending and voltage V, the real
- What happens to the voltage in the secondary when the frequency of the supply in the primary is decreased?
- A balanced three-phase, 50 Hz voltage is applied to a 3 phase, 4 pole, induction motor. When the motor is ...
- What happens to the angle between current and voltage, when a small capacitance is added in series with...
- What is modulus of counter? Show the method to determine the no. of flip flops for a mod-52 counter.
- The ratio of the primary to secondary voltage of a transformer is 2:1. The saving in the turns of weight of...
- if the rated voltage from the power lines is applied to the primary of a single-phase transformer...
- The closed-loop voltage gain of an inverting amplifier equal to
- A transformer has negative voltage regulation when its load power factor is
- When a given transformer is run at its rated voltage but reduced frequency, its?
- In a transformer the voltage regulation will be zero when it operates at
- When the SCR conducts, the forward voltage drop will (a) 0.7 V at all load current (b) 2 to 2.5 V at all load...
- A dc shunt generator has a speed of 800 rpm when delivering 20 A to the load at the terminal voltage of 220V....
- The Lissajous pattern obtained on a CRO in used to determine:
- A linear network has a current input 4cos(ω t + 20º)A and a voltage output 10 cos(ωt +110º) V. Determine the associated impedance.