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more efficiently uses available engine power operates at a lower efficiency at a fixed speed produces the same torque at lower engine power develops its rated power at a lower speed
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During operation at low speed During operation at rated speed, but low power output During acceleration All of the above
It consumes no excitation power It has current transformers Components are needed for accurate compounding Its excitation system is vulnerable to voltage variations
It makes up five per cent of all electricity consumption in the United States. Electrical devices that have internal or external clocks consume standby power. Standby power is not of significance compared to the whole consumption of electricity. Standby power is important to maintain the normal functions of electrical devices.
connected load prime mover speed field excitation generators rated voltage
3-5 watts 13-30 watts 300-700 watts It depends.
100 kW 400 kW 500 kW 600 kW
power output friction and wear indicated pressure rated horsepower
they have a vision from the mountaintop they have warm feelings and emotions they can serve as concrete examples of noble principles they can make people feel stronger and more confident
they carl recharge their batteries that have been exhausted. they do not interfere with the normal use of electricity in the house. their users do not have to bother to turn them on every time they want to use them. they can stay warmed up and are ready for use at any moment.
800 kW 5120 kW 6400 kW 4180 kW
Supportive Critical Indifferent Worrie
when the engine RPM is pulled down by overload at rated engine RPM at 95 % of rated engine RPM at 95 % of a properly adjusted governor RPM with the engine under full load
the electricity thief who steals electricity at one’s home. electricity to power electrical appliances even when they are turned off. electricity to power electrical appliances when they are turned on. electricity waiting to be used when electrical appliances are turned of
have seen see will see had seen
connected load prime mover speed field excitation generators rated voltage