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Title: crpf pay slip www crpf gov in pay slip your faithfully sainlee kom
Page Link: crpf pay slip www crpf gov in pay slip your faithfully sainlee kom -
Posted By: Rohan2100608
Created at: Thursday 05th of October 2017 05:00:56 AM
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Title: REGULATION OF THREE PHASE ALTERNATOR BY EMF MMF and ZPF
Page Link: REGULATION OF THREE PHASE ALTERNATOR BY EMF MMF and ZPF -
Posted By: surmiya
Created at: Friday 06th of October 2017 03:07:20 PM
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AIM
To conduct OC, SC and ZPF test on the three phase alternator and to predetermine the regulation of 3 phase alternator by EMF method, MMF method, & ZPF method also to verify by vector diagram.
APPARATUS REQUIRED
PRECAUTION

1. The motor field rheostat should be kept in the minimum resistance position.
2. The alternator field potential divider should be in the minimum voltage position.
3. Initially all switches are in open position.
PROCEDURE
A. OC.Test

1. Note down the name plate details ....etc

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Title: Self excited single phase induction motor with voltage frequency regulation
Page Link: Self excited single phase induction motor with voltage frequency regulation -
Posted By: backstreet
Created at: Thursday 17th of August 2017 08:28:18 AM
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Hi Im Jason here.Does anyone done or did the project about this title before?Quite headache with this topic as my lecturer can't guide me in the right way of doing it @@.. ....etc

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Title: LOAD TEST ON THREE PHASE ALTERNATOR
Page Link: LOAD TEST ON THREE PHASE ALTERNATOR -
Posted By: abhicool30
Created at: Thursday 17th of August 2017 04:49:56 AM
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AIM
To conduct the load test on single phase alternator.
APPARATUS REQUIRED
PRECAUTION

1. The motor field rheostat should be kept in the minimum resistance position.
2. The alternator field potential divider should be in the minimum voltage position.
3. Initially all switches are in open position.
PROCEDURE
1. Note down the name plate details of motor and alternator
2. Connections are given as per circuit diagram.
3. The DPST is closed on supply side.
4. Using three point starter, the moto ....etc

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Title: LOAD TEST ON THREE PHASE INDUCTION MOTOR SLIP RING
Page Link: LOAD TEST ON THREE PHASE INDUCTION MOTOR SLIP RING -
Posted By: deepakram45
Created at: Thursday 05th of October 2017 05:33:13 AM
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AIM
To conduct load test on three-phase Slip Ring induction motor.
APPARATUS REQUIRED
PRECAUTION

The motor should be started without any load.
PROCEDURE
1. Connections are given as per the circuit diagram.
2. The TPST S is closed and the motor is started using online starter to run at rated speed.
3. At no load the speed, current, voltage and power are noted down.
4. By applying the load gradually with the help of spring balance and brake drum arrangements.
5. The speed, current, voltage, pow ....etc

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Title: LOAD TEST ON 3-PHASE SLIP RING INDUCTION MOTOR
Page Link: LOAD TEST ON 3-PHASE SLIP RING INDUCTION MOTOR -
Posted By: pavan
Created at: Thursday 17th of August 2017 05:45:57 AM
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AIM :
To conduct a direct load test on a 3-phase slip ring induction motor and to draw the performance characteristics.
FUSE RATING-
FOR- STATOR- 125% 0f 7.5A = 10A
FOR ROTOR 125% of 11A = 15A
THEORY:
Slip ring induction motor is also called as phase wound motor. The motor is wound for as many poles as the no. of stator poles and always wound 3- even while the stator is wound two-phase. The other three windings are brought out and connected to three insulated slip-rings mounted on the shaft w ....etc

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Title: REGULATION OF 3PHASE ALTERNATOR BY EMF AND MMF METHODS
Page Link: REGULATION OF 3PHASE ALTERNATOR BY EMF AND MMF METHODS -
Posted By: krumeshece
Created at: Thursday 17th of August 2017 05:44:59 AM
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THEORY:
The regulation of a 3-phase alternator may be predetermined by conducting the Open Circuit (OC) and the Sort Circuit (SC) tests. The methods employed for determination of regulation are EMF or synchronous impedance method, MMF or Ampere Turns method and the ZPF or Potier triangle method. In this experiment, the EMF and MMF methods are used. The OC and SC graphs are plotted from the two tests. The synchronous impedance is found from the OC test. The regulation is then determined at different power factors by ....etc

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Title: REGULATION OF THREE-PHASE SALIENT POLE ALTERNATOR BY SLIP TEST
Page Link: REGULATION OF THREE-PHASE SALIENT POLE ALTERNATOR BY SLIP TEST -
Posted By: jayshah
Created at: Thursday 17th of August 2017 04:43:37 AM
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AIM
To conduct the slip test on three phase alternator and predetermination the regulation through vector diagrams
APPARATUS REQUIRED
PRECAUTION
1. The Motor field Rheostat should be kept in minimum resistance position.
2. The Alternator field should be kept open throughout the experiment.
3. The direction of rotation due to prime mover and due to the Alternator run as the motor should be same.
4. Initially all the switches are kept open
PROCEDURE
1. The name plate details of the motor an ....etc

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Title: SLIP TEST ON 3-PHASE ALTERNATOR
Page Link: SLIP TEST ON 3-PHASE ALTERNATOR -
Posted By: hyderkhan4u
Created at: Thursday 17th of August 2017 08:40:57 AM
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FUSE RATING:
(a)For Motor- 125% of rated current
= 125% of 17A=21.25A=25A
(b)For Alternator- 125% of rated current
=125% of 4A= 5A
THEORY:
In a salient pole alternator, the reactance of magnetic circuit along is along its quad stator axis. The alternator is driven by auxiliary prime mover at a speed slightly less than the synchronous speed under these conditions. The armature current is when the armature current mmf is in line with the field poles. The reactance by the magnetic field current is minimu ....etc

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Title: REGULATION OF 3-PHASE ALTERNATOR BY POTIER AND ASA METHODS
Page Link: REGULATION OF 3-PHASE ALTERNATOR BY POTIER AND ASA METHODS -
Posted By: obady
Created at: Thursday 17th of August 2017 06:16:16 AM
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AIM:
To predetermine the regulation of three phase alternator by Potier and ASA methods and also to draw the vector diagrams.
FORMULAE USED:
Percentage regulation = Eo Vrated x 100 (For both POTIER & ASA methods)
Vrated
PRECAUTION:
(i) The motor field rheostat should be kept in the minimum resistance position.
(ii) The Alternator field potential divider should be in the position of minimum potential.
(ii) Initially all switches are in open position.
PROCEDURE FOR BOTH POTIER AND ASA MET ....etc

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