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How does AVR on generator work?
The function of AVR is to automatically regulate the voltage of Generators. As the terminal voltage of a generators drops the AVR boosts the voltage.
Why generators are rated at 0.8 lagging power factor?
Rated power factor
How do you connect Two DC generators together to double the output voltage?
You would connect them in series to double the output voltage.
What is withstand voltage?
It is the rated test voltage that will not cause insulation breakdown.
Why shaft generator can not operate in parallel with auxiliary generator?
Normal shaft generators do not have droop-control for frequency and voltage. Semiconductor (drive) based variable speed shaft generators may have those today.
What the different between voltage generators and voltage transformers?
Generators generate and transformers step up or step down the voltage
How does AVR on generator work?
The function of AVR is to automatically regulate the voltage of Generators. As the terminal voltage of a generators drops the AVR boosts the voltage.
Why are generators rated in watts?
Generators are rated in watts because watts are the scale on which energy is measured.
How you can increase the generator terminal voltage when synchronise with other generators?
The whole idea of synchronization is that you DON'T change the voltage (or frequency) from the other generators.
What are two example of voltage?
batteries and generators
What are two examples of voltage sources?
batteries and generators
What is rated voltage and current in transformers and how to calculate them if given 50k VA?
Rated voltage is the voltage at primary side. Rated current can be found from the equation, Rated Current= Output KVA / Output rated voltage
Why generators are rated at 0.8 lagging power factor?
Rated power factor
Why the transfermer rating is in KVA where as generator rating is KW?
Transformers are rated based on the amount of current flowing through them, irrespective of whether the current is in phase with the voltage or not, thus KVA. When it comes to generators, what the owner is interested in is how much real power the generator can deliver (watts). Most generators are rated at a specific real power and a power factor (often .95).
How do you connect Two DC generators together to double the output voltage?
You would connect them in series to double the output voltage.
What are the indications and causes of an overload generators?
The speed and terminal voltage drastically reduces
Define rated impulse voltage?
Simply, the voltage which is withstand by the test object as an impulse is called as rated impulse voltage.
