Q3-(A)- Indicate whether the following statements are true or false and correct the false statements e of d LICY HO MC Ung inter pole winding is connected in parallel to field winding

Q: Flashing the field of a direct current generator implies   Neutralising residual magnetism…

A: Flashing the field of a direct current generator implies that

Q: An ideal dc generator has regulation of 40% O 20% 30% O Zero

A:

Q: Out of the following four sources of losses in a dc generator which one is minimum? O Copper losses…

A: We need to select correct option for losses in dc generator .

Q: Shunt generators are most suited for stable parallel oneration because of linear voltage…

A: The best kind of DC generator for reliable parallel operation is a shunt generator because of its…

Q: In DC generator pole core is made up of

A: In the DC generator pole core is made up?

Q: In DC generators, lap winding is suitable for ) high voltage, high current low voltage, high current…

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Q: Check all the correct statements on AC machines (induction and synchronous) below. O The current…

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Q: Can you explain the given questions in an original way? Factors Affecting Electrical Energy in DC…

A: Electrical machines can be either generator, transformers, or motors. They can be either Ac machines…

Q: At rated voltage, a 125 kw, 300-V long shunt compound system provides power with a stray power loss…

A:

Q: e core loss

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Q: na dc machine when the number of parallels paths is (a) and the number of poles is (p), chus for lap…

A: Given In lap winding DC machine Number of parallel paths = a Number of poles = p

Q: The field windings of the series motor have a resistance of 120 ohms at 15-degree C. After running…

A:

Q: A wave wound armature of an eight-pole DC shunt generator has 51 slots, each

A:

Q: winding is used to reduce the armature reaction.

A: Armature reaction effect is reduced by- 1. The number of turns in stator winding is increase.…

Q: A 6-pole lap wound generator has 900 conductors. The e.mf induced per one tur being 3 V. the…

A: Given lap connected , So, No. of poles = No. of parallel paths = 6 Given voltage per turn = 3 volts…

Q: Example 1: The stator of a 30 , 2-poles machine has 18 slots and a double-layer winding. The coils…

A: Machines comprise 3 phases, 2 poles having 18 slots with double layer winding. so here  The phase is…

Q: series motors has a very high starting torque because its armature resistance is small O True O…

A: Given  A true or false question based on series DC motor. Please find the answer below

Q: In a 4 pole, 20 kW, 200 V wave wound DC shunt generator, the current in each parallel path will be

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Q: DC shunt generator has a terminal voltage of 191 V and armature current of 0A (under no load), then…

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Q: ----- In d.c. generators armature reaction is produced by armature current O none of the mentioned O…

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Q: The DC shunt generator with the terminal voltage 350 V, armature drop 7 V and the each brush drop 2…

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Q: Maximum torque is realized when an armature winding is with the magnetic field at 90° O inline or at…

A: With reference to synchronous machines, the load angle or the power angle is the angle between the…

Q: Figure Ql shows a two-legged iron core with air gap on the middle leg. Primary winding and secondary…

A: Fringing effect Flux when pass through air gap, it tends to bulge out as shown below Bulging of the…

Q: The DC shunt generator with the terminal voltage 300 V, armature drop 7 V and the each brush drop 4…

A: In this we will find emf..

Q: At rest condition, the slip of induction motor is 1. Select one: True False

A: Solution : Slip of  induction motor is 2 to 3% when the motor is operated under the rated load.

Q: A short shunt compound generator supplies a load current of 100 A at 250 V. The generator has the…

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Q: The compensating winding operation aid the commutating winding operation True False

A: Compensating windings are used to overcome the commutation and cross-magnetization effect of…

Q: R1 jX1 jX2 -> IM R, RC jXM E1 S

A: Induction motor working Principle When an ac supply is connected to a stator it creates a rotating…

Q: the field windings of a series motor has a resistance of 120 ohms at 15° c. after running for 2…

A: Given The temperature coefficient of winding at 00c is 0.004 The Resistance of winding at (T1) 150c…

Q: Find the values of K₁ and K₂ to yield a peak time of 1.5 seconds and a settling time of 3.2 seconds…

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Q: A 4-pole, wave of 300 turns eac

A: Generally there are two types of winding configuration is used for DC machine: Lap winding and wave…

Q: Differentiate the two generators shown in Figure 1.6.1-1 and Figure 1.6.1-2. The output voltage can…

A: Consider the first generator: This is a permanent magnet generator that is a machine that changes…

Q: The DC shunt generator with the terminal voltage 300 V, armature drop 9 V and the total brush drop 4…

A: Given: DC Shunt generator, Terminal voltage, Vt = 300V Armature drop, Ia.Ra = 9 V Total brush drop,…

Q: Problem 1 Stator of 3-phase machine is excited by a current source as follows: I, lags Ia by 120…

A:

Winding and Constructions

Alternating Current (AC) winding is generally of the 3-phase type due to the inherent advantages of the 3-phase machine. Armature coils must be connected to the yield balance (equivalent in magnitude and 2/3 of the series phase difference of the rod) 3-phase electromotive forces (emf). The armature should be divided into step-bands to start with slots around the perimeter.In the construction of AC machines, the frame is used as an external protective shield to protect it from environmental conditions. The frame also serves as the outer perimeter, allowing the interior to be easily placed. The static state section of the devices is the stator winding attached stator.