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What describes the difference between Wye and parallel Wye connections in a DOD generator stator?
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What are the differences of Long shunt vs short shunt generator?
In long shunt the shunt field winding is in parallel to both generator and series field. In short shunt the shunt field is in parallel to generator only.
What are the characteristics of series connections?
Characteristics of parallel connection.
Why is millman's theorem called parallel generator theorem?
Because millman's is used in parallel ckt of impedances and voltage sources
How can the power output of generators be coupled?
Generally speaking, the outputs of generators can be coupled by connecting the generators in parallel. In generators that produce DC (direct current), the voltages need to be equalized and the polarities of the connections needs to be observed. Both negatives are connected together and both positives connected together to create one parallel output. In an AC setup, the generators need to be running about the same voltage, and must be connected in phase for the setup to be successful. In practice, the generator that is being brought online is run up, and it frequency is allow to be a little bit faster than the unit that is online. When the phase difference is being observed, and the difference is approaching zero, at a "couple of degrees before" the zero, the generator that is being brought online is then connected to the grid and it "locks in" so that all the generators are running in phase. Connecting DC generators positive to negative is an invitation to disaster, and bringing an AC generator online 180 degrees out of phase with an running generator is the same kind of disaster. Shutting a breaker to parallel generators without insuring polarity concordance (in the case of the DC ones) or phase concordance (in the case of the AC ones) will pit one generator against the other, and severe damage will result.
Is the real world load purely series parallel or series parallel type?
This question does not make any sense. "Real world" load, from the perspective of the power producing generator, can be reduced to a lumped resistance in series with a reactive component (either inductive or capacitive). In reality, the load connected to that generator has series elements and parallel elements.
What are the differences of Long shunt vs short shunt generator?
In long shunt the shunt field winding is in parallel to both generator and series field. In short shunt the shunt field is in parallel to generator only.
What are the characteristics of series connections?
Characteristics of parallel connection.
Why parallel connection is most commonly used in your home?
In parallel connections voltage will be same in all paths, only current will differ. That's why its widely used in home connections
What is a combination circuit?
It was mentioned that there are two different ways to connect two or more electrical devices together in a circuit. They can be connected by means of series connections or by means of parallel connections. When all the devices in a circuit are connected by series connections, then the circuit is referred to as a series circuit. When all the devices in a circuit are connected by parallel connections, then the circuit is referred to as a parallel circuit. A third type of circuit involves the dual use of series and parallel connections in a circuit; such circuits are referred to as compound circuits or combination circuits. The circuit depicted at the right is an example of the use of both series and parallel connections within the same circuit. In this case, light bulbs A and B are connected by parallel connections and light bulbs C and D are connected by series connections. This is an example of a combination circuitBy EngineerMuhammad Zaheer Meer GMS
In a parallel circuit the voltage is across all branches?
the same In a parallel circuit, the voltage travels through all the closed circuit paths. They are not branches.
Why lights in classroom is connected in series or in parallel?
only two connections are possible.. parallel connection is always desired than series. .
What does Incoming and running generators are in same phase while paralleling two generators mean?
When two generators are to be run in parallel, one generator is first started and some load is given. Then second generator is brought in parallel with the running generator (subject few conditions, like voltage, frequency, phase angle). First generator which is running is known as running generator, the second generator which gets connected is known as incoming generator
What is the difference between parallel hybrid and series hybrid cars?
Parallel hybrid has a fuel tank,which supplies power to an electronic motor. Both the engine and the electronic motor can turn to transmission at the same time,and the transmission then turns to the wheels. Series hybrid- the gasoline engine turns a generator,and the generator can either charge the batteries or power an electric motor that drives transmission.
What is the difference between a series hybrid and parallel hybrid?
Parallel hybrid has a fuel tank,which supplies power to an electronic motor. Both the engine and the electronic motor can turn to transmission at the same time,and the transmission then turns to the wheels. Series hybrid- the gasoline engine turns a generator,and the generator can either charge the batteries or power an electric motor that drives transmission.
How does a generator act like a motor in syncronization process of disel generator?
this case called (reverse power ) and happen when there is a phase difference between parallel generators and results in passing a circuilating currents from the higher voltage one to the other which result that one to act as a motor
What are some cons of parallel connections?
The cons of the parallel circuit is that it is complicated to assemble and divides the current, slowing it down.
How many generator we can operate in parallel in a system?
In a grid system all the alternators run in parallel, locked together in frequency.
