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A 3 phase 400 volt(line to line) wye connected synchronous motor has Xs= 1 ohm per phase and a negligible armature resistance. The field current is so adjusted that the internal(induced) voltage is 270volts per phase, while the motor draws 40 kw power from the source. Calculate the (a) power factor of the motor, and (b) reactive power supplied by the motor to the source.
A 500 MVA, 33kv, three phase steam turbine generator has a synchronous reactance of 1.6 p.u. It delivers a rated output at 0.8 power factor lagging. Calculate (a) the synchronous reactance per phase, (b) rated load current of the machine, and (c) internal voltage drop and output voltage.
A synchronous motor has the following parameters per phase. E=2kv, Eo=5kv, X2=3ohms, and I=700amps. Draw the phasor diagram and determine (a) power angle delta, (b) active power(3phase), (c) reactive power(3phase), (d) power factor of the motor. If the load is removed suddenly, calculate (e) the new power angle and (f) new reactive power(3phase).
what is difference between scot and delta connection.
High Level Language ( third Generation Language ) The difficulties of low level languages are overcome by high level languages. In assembly language mnemonics were used
what is the contruction of a fixed capacitor
You are expected to do the experimentation on digital electronics and realize the result...
What are the 8086 interrupt types? Dedicated interrupts Type 0: Divide by zero interrupt Type 1: Single step interrupt Type 2:Non maskable interrupt Type 3: Breakpo
STC Set Carry Instruction This instruction sets the carry flag to 1. The instruction format is STC Flags except carry no other flags are affected
a) Get the best linear relationship in accordance with least square analysis for the following data:- X 0.9 2.3 3.3 4.5 5.7 6.7 Y 1.1 1.6 2.6 3.2 4.0 5.0 b) The table belo
Q. Explain the working of a photo - transistor with a sketch A second optoelectronic device that conducts current when exposed to light is the PHOTOTRANSISTOR. A phototransisto
ie rule for guard wire
Common base configuration: for pap transistor connection for common base operation is as follow: common base means base is common to both input and output side of configurati
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