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What is the difference between current and voltage commutation?
Voltage commutation: This is possible in ac circuits...The thyristor gets turned off by reverse bias (negative half cycle) voltage applied across it. This is also called line commutation. Current Commutation: This is possible in dc circuits ...This type of commutation makes use of auxiliary circuit which contains inductor,capacitor,diode and even a thyristor(auxiliary). This is called Forced commutation.
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.
Auxiliary steam stop valve?
It is a stop valve placed on an auxiliary piece of equipment. Or it could be placed at the steam main to feed an auxiliary steam system (heating, auxiliary pumping. etc.). It is not the Main steam stop for the boiler or the prime mover (engine, turbine, process), it is for a secondary service.
What is the use of auxiliary array in merge sort?
In merge sort the whole is divided into two sub arrays. (This way of solving problem is called Divide and conquer algorithm) These sub arrays are called auxiliary arrays. First an array A is divided into two auxiliary arrays A1 and A2. Now these auxiliary arrays are further divided until we reach a stage with an auxiliary array of 2 elements. These 2 elements are arranged in incremental order and merged with the previous divided arrays. So we can say that auxiliary array is used to implement the basic principle of merge sort.
What is difference between main winding and auxiliary winding?
In the case of a capacitor-start/run single-phase induction motor, the main field is provided by the main (running) winding, and the capacitive branch is the auxiliary winding. In the case of a capacitor-start motor, the main winding is the running winding and the auxiliary winding is the starting winding.
What is the difference between current and voltage commutation?
Voltage commutation: This is possible in ac circuits...The thyristor gets turned off by reverse bias (negative half cycle) voltage applied across it. This is also called line commutation. Current Commutation: This is possible in dc circuits ...This type of commutation makes use of auxiliary circuit which contains inductor,capacitor,diode and even a thyristor(auxiliary). This is called Forced commutation.
What happens when there is a load fluctuation in a marine auxiliary diesel engine?
Your voltage regulator should compensate for it by changing the frequency to the field coil of the generator and producing more power. The voltage regulator should compensate for it by increasing the frequency to the field coil of the generator, thus producing more power.
What is an auxiliary sound?
Auxiliary sound refers to auxiliary interface connector where one can connect external sound devices.
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 to do before starting auxiliary engine?
What to do before starting auxiliary engine?
What is the main function of auxiliary transforme in a substation?
auxiliary transformer is used to supply low voltage for AC power system inside substation such as lighting ,air conditioners and other AC supply system and DC power system such as protection relays, batteries, SCADA & telecom system and other DC supply system
What is the motto of Air Transport Auxiliary?
The motto of Air Transport Auxiliary is 'Unofficial:'.
When was American Legion Auxiliary created?
American Legion Auxiliary was created in 1949.
When was North Auxiliary Airfield created?
North Auxiliary Airfield was created in 1942.
When did Auxiliary Territorial Service end?
Auxiliary Territorial Service ended in 1949.
When was Auxiliary Territorial Service created?
Auxiliary Territorial Service was created in 1938.
When was Polish Auxiliary Corps created?
Polish Auxiliary Corps was created in 1916.
