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If a motor is spinning under no load, it is storing some energy in the rotating mass. This energy can be stored and released in the same way capacitors and inductors store and release energy. This is what a synchronous motor acting like a condenser is doing. The way it appears to the power system is dependent upon the field current applied to it. If used as a motor, this is controlled to keep it spinning at the desired speed under load. If used as a condenser, it is controlled to determine whether it will be releasing power ahead of or behind the power system (absorbing or releasing VARs).

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Why does a static condenser differ from synchronous condenser?

Unlike a static condenser (capacitor bank), the value of reactive power from a synchronous condenser can be continuously adjusted. A synchronous condenser also has other advantages over static condensers such as: - not being affecting by harmonics (some harmonics can even be absorbed by a synch condenser) - producing no switching transients


Which motor rotate above synchronous speed?

An induction motor rotating at higher than synchronous speed would be generating power, thus would be a generator. No motor operating as a motor runs above synchronous speed.


Why the DC motor is call as synchronous motor?

A 60Hz synchronous motor spins at synchronous speed - if it's a two pole motor it will spin at exactly 1800 rpms. An asynchronous motor will spin at a speed lower than the power supply frequency - a symilar asynchronous motor may spin at 1700 rpms.


Is a 3 phase motor a Synchronous motor?

A synchronous motor can be a type of 3-Phase AC motor, or not.A synchronous motor is defined by the period of the rotor being synchronized with the frequency of the stator windings' current. The stator windings might be 3-Phase or not (2-Phase would work).Also synchronous motors are not the only type of 3-Phase AC motors. An induction motor could also be 3-Phase AC and has a few advantages and disadvantages over a synchronous motor.


Principle and working of synchronous motor?

Principle of synchronous motor is as given below:"when a 3 phase winding is fed by a 3 phase supply, then a magnetic flux of constant magnitude but rotating at synchronous speed, is produced."

Related Questions

What is difference between synchronous motor and synchronous condenser?

A synchronous motor is designed to convert electrical energy into mechanical energy to produce rotation, while a synchronous condenser is designed to only regulate voltage and improve power factor on the electrical grid without mechanical output. Both devices are synchronous machines that operate based on the principles of synchronous operation and require a magnetic field to be established.


What is a syncronous condenser?

A synchronous condenser is physically an electric generator/motor without a mechanical power source. Electrically a synchronous condenser changes the timing between rise and fall of current compared to voltage (phase angle). They also use stored energy to smooth small power fluctuations.


Why does a static condenser differ from synchronous condenser?

Unlike a static condenser (capacitor bank), the value of reactive power from a synchronous condenser can be continuously adjusted. A synchronous condenser also has other advantages over static condensers such as: - not being affecting by harmonics (some harmonics can even be absorbed by a synch condenser) - producing no switching transients


What is synchronous machein?

mainly alternator,synchronous motor comes under the synchronous machine.a synchronous motor is not a self starting motor.if a synchronous motor moves with more than synchronous speed then it acts as a synchronous generator.


What is slip of synchronous motor?

A synchronous motor runs at synchronous speed, so there is no slip, or zero slip.


What is the slip of synchronous motor?

A synchronous motor runs at synchronous speed, so there is no slip, or zero slip.


Where can Ibuy a TYC42 12v synchronous motor?

where can I buy a TYC50-12 synchronous motor for a fibre optic christmas tree


What is synchronus capacitor?

A synchronous condenser (also known as a synchronous capacitor or synchronous compensator) is a DC-excited synchronous computer (large rotating generators) whose shaft is now not connected to any using equipment.


Which motor rotate above synchronous speed?

An induction motor rotating at higher than synchronous speed would be generating power, thus would be a generator. No motor operating as a motor runs above synchronous speed.


Similarity of induction motor and synchronous motor?

motor cyc


How can you use a synchronous motor as a synchronous genarator?

to use prime mover


Why is a synchronous speed motor considered a constant speed motor?

synchronous motor is a constant speed motor because it will only run at a synchronous speed or not at all.the speed can be changed by changiing the frequency only ns=120f/p