Marine Electrotechnology. Test 6
Marine Electrotechnology. Test 6
What control equipment drawing is shown here ?
How is the differentiating action of this PID controller obtained ?
What is the difference in function between these electrical and the pneumatic integrators ?
Two 3 phase 4160 Volt, 60 Hz alternators are operated in parallel. The total load of the system is 1050 kW with power factor 0.75 lagging. If alternator No 1 is carrying 700 kW at 80 % power factor lagging _____
A six-pole asynchronous motor is connected to a power supply with a frequency of 50 Hz. If the rotor bar frequency is 2.3 Hz, what will be the speed of the motor ?
From the sample diagrams shown, choose the correct voltage waveform measured across the load.
The second potentiometer of this electric command system is located in the steering gear. What moves this potentiometer ?
Alternator (A) 100 kVA runs parallel with alternator (B) 125 kVA, both are 3 phase, 240 V, 60 Hz. The load of A is 60 kW, 90% power factor and the load of B is 80 kW, 70 % power factor. What is the total load ?
In these integrator circuits the air flow through the restrictor and the current through the resistance _____
In this drawing, the triangle marked 'A' represents _____
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