POWER QUALITY AND FACTS NOTES JNTUH R18

POWER QUALITY AND FACTS NOTES

 JNTUH R18 

Power Quality and FACTS Notes for JNTUH R18 4-1

  

Download Power Quality and FACTS Notes for JNTUH R18 4-1,

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Free online Practice Test for Electrical aspirants

Free online Practice Test for  Electrical aspirants

SSC/ECET/GATE/RRB/TRANSCO/SPDCL/NPDCL/GENCO

Now  a days all competitive exams conducted on COMPUTER  BASED TEST . So student need to practice the More number of Patrice test for the better results and time management for every question answer and multiple choice test , and fill in the blanks for problems with numerical numbers.  

            To encourage the students and Electrical aspirants  Electricalforu.com  providing the Free Online test Specially for who ever the preparing for the SSC Junior Engineer Exams  and State Electrical Boards like TRANSCO, GENCO,SPDCL,NPDCL,CPDCL,POWER GRID  and another Public Sectors Units . Here we providing the Mock test for the Different Subjects of Electrical Engineering Electrical Machines , Power System, Signal And system, Control System ,Electrical and Electronic Measuring Instrumentation, Power system Analysis, Digital Electronics, Analog Electronics,Basic Electrical Engineering .

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Your may also check the previous Last 20 years GATE EE papers here  and Previous year ESE EE papers 

  

IES ESE EE PREVIOUS PAPERS

IES ESE EE PREVIOUS PAPERS

Electrical Engineering

Last 20 Year questions papers

ESE previous papers for Electrical and Electronics Engineering.

Previous ESE electrical Engineering papers are use full for the Gate/ESE preparation Aspirants  which will help to practice and analysis the question patterns No. of questions for the topic wise, preparation of different subjects to easy to analysis the question paper patterns of Gate .

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Electrical Machines Practice MCQ-2

Electrical Engineering Practice Test

Electrical Machines

1. In dc generator armature reaction is produced actually by

A) its field current
B) armature conductors
C) field poles
D) load current in armature

... Answer is D)

2. in a dc generator the effect of armature reaction on the main pole flux is to

A) reduce it
B) distort it
C) reverse it
D) both (a) and (b)

... Answer is D)

3. In a clockwise rotating loaded dc generator brushes have to be shifted

A) clock wise
B) counter clockwise
C) either A) or B)
D) neither A) or B)

... Answer is A)

4. The primary reason for proving compensating winding in dc genarator is to

A) compensate for decrease in main flux
B) neutralize armature mmf
C) neutralize cross magnetizing flux
D) maintain uniform flux distribution

... Answer is C)

5. shunt generators are most suited for stable parallel operation because of their voltage characteristics

A) identical
B)drooping
C) linear
D) rising

... Answer is B)

6. The main function of an equalizer bar is to make the parallel operation of two over compound dc generator

A) stable
B)possible
C)regular
D) smooth

... Answer is A)

7. Which one of the following types of generators does NOT need equalizers for satisfactory parallel operation

A) series
B)over compound
C)flat compound
D)under compound

... Answer is D)

8. The most likely causes of sparking at the brushes in dc machines is /are

A) open coil in the armature
B)defective interpoles
C)incorrect brush spring pressure
D)all of the above

... Answer is D)

9. The simplest way to shift load from one dc shunt generator running in parallel with another is to

A) adjust their field rheostats
B)insert resistances in their armature circuits
C)adjust speeds of their prime movers
D)use equalizer connections

... Answer is A)

10. the main factor which leads to unstable parallel operation of flat and over compound dc generator is

A) unequal number of turns in their series field winding
B)unequal series field resistances
C)their rising voltage characteristics
D)unequal speed regulation of their prime movers

... Answer is C)

Electrical Machines Practice MCQ-1

Electrical Engineering Practice Test

Electrical Machines

1. the basic requirements of a d.c armature winding is that it must be

A) Closed one
B) a lap winding
C) a wave winding
D) either b) or c)

... Answer is A)
The Armature Winding Should be closed one to supply the current

2.A wave winding must go at least ___________ around the armature before it closes back wher it started

A once
B)twice
C)thrice
D)four times

... Answer is B)
the paralle pathe A=2 for wave wingding

4.The Solo Purpose of a Commutator in d.c. Genrator is to

A) Increase output voltage
B)reduce sparking at brushes
C)Provide smoother output
D)Convert the induced a.c. into d.c

... Answer is D)
The Commutator Conver the AC to DC in DC Generator

5.if in the case of a certain d.c armature the numebr of commuator segments is found either one less or more than the number of slots the armature must be having a simple _______________winding.

A)wave
B)lap
C)frogleg
D)multielement

... Answer is A)

6.The commerical Efficiency of a shunt Generator is maximum when its variable loss equalsto_____________loss

A) Constant
B)stray
C)iron
D)friction and windage

... Answer is A)

7.in a d.c genrator the genrator e.m.f is directly propotional to the

A) field flux
B)pole flux
C)number of armature parallel paths
D)number of dummy coils

... Answer is B)

8.The series field of ta short shunt d.c. Genrator is excited by _______ currnets

A)shunt
B)armature
C)load
D)external

... Answer is C)

9.In DC Genrator , armature reaction is produced actually by

A)its field curents
B)armature conductors
C)field pole winding
D)load current in armature

... Answer is D)

10.In a dc genrator the effect of armature reaction on the amain pole flux is to

A)reduce it
B)distort it
C)reverse it
D)bothe (a) and (b)

... Answer is D)

Free Practice Test For SSC/RRB/ ECET PRACTICE TEST

Free Practice Test For SSC/RRB/ ECET PRACTICE TEST 

PRACTICE TEST FOR THE ELECTRICAL PRACTICE TEST 50 QUESTION & 30 MIN TIME

The test contain the all the subjects MCQ QUESTION, You can write the exam with timer,test will open in any device . After the test User can down see the right answer and grade as well you can print the all questions.

mostly use who are preparing for the Electrical Engineering  Competitive exams.


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Gate Electrical Previous Papers

Gate Electrical Previous Papers

Click to see the Gate Previous Papers

 

Basic Electrical full forms

BASIC ELECTRICAL FULL FORM

1. HT = High Tension (Transformer HT side) = हाई टेंशन
2. LT = Low Tension = लो टेंशन
3. AB switch = Air Break switch = एयर ब्रेक स्विच
4. DO fuse = Drop Out fuse = ड्राप आउट फ्यूज
5. ACB = Air Circuit Breaker = एयर सर्किट ब्रेकर
6. VCB = Vacuum Circuit Breaker = वैक्यूम सर्किट ब्रेकर
7. SF6 Circuit Breaker = Sulphur Hexafluoride Circuit Breaker = सल्फर हेक्साफ्लोराइड सर्किट ब्रेकर
8. ACDB = Alternating Current Distribution Board =अल्टरनेटिंग करंट डिस्ट्रीब्यूशन बोर्ड
9. DCDB =Direct Current Distribution Board = डायरेक्ट करंट डिस्ट्रीब्यूशन बोर्ड
10.PDB = Power Distribution Board = पावर डिस्ट्रीब्यूशन बोर्ड

11.MPDB = Main Power Distribution Board = मेन पावर डिस्ट्रीब्यूशन बोर्ड
12.PCC = Power Control Centre = पावर कंट्रोल सेंटर
13.MCC = Motor Control Centre = मोटर कंट्रोल सेंटर
14.MCP = Motor Control Panel = मोटर कंट्रोल पैनल
15.VVVF = Variable Voltage Variable Frequency Drive = वेरिएबल वोल्टेज वेरिएबल फ्रीक्वेंसी ड्राइव
16.VSD = Variable Speed Drive = वेरिएबल स्पीड ड्राइव
17.DOL = Direct On Line =डायरेक्ट ऑनलाइन
18.RDOL = Reverse Duty On Line = रिवर्स ड्यूटी ऑनलाइन
19.MLDB = Main Lighting Distribution Board = मेन लाइटिंग डिस्ट्रीब्यूशन बोर्ड
20.SLDB = Secondary Lighting Distribution Board = सेकेंडरी लाइटिंग डिस्ट्रीब्यूशन बोर्ड

21.EMLDB = Emergency Lighting Distribution Board = इमरजेंसी लाइटिंग डिस्ट्रीब्यूशन बोर्ड
22.CPSS = Construction Power Substation = कंस्ट्रक्शन पावर सब स्टेशन
23.DSS = Distribution Power Substation = डिस्ट्रीब्यूशन पावर सब स्टेशन
24.RCC = Remote Control Cables = रिमोट कंट्रोल केबल
25.MCB = Miniature Circuit Breaker = मिनिएचर सर्किट ब्रेकर
26.MCCB = Moulded Case Circuit Breaker = मॉड्यूलड केस सर्किट ब्रेकर
27.MPCB = Motor Protection Circuit Breaker =मोटर प्रोटेक्शन सर्किट ब्रेकर
28.EMPR = Electronic Motor Protection Relay = इलेक्ट्रॉनिक मोटर प्रोटेक्शन रिले
29.RCCB = Residual Current Circuit Breaker = रेजिदुअल करंट सर्किट ब्रेकर
30.RCBO = Residual Current Circuit Breaker with Over-current Protection = रेजिदुअल करंट सर्किट ब्रेकर विद अवर करंट प्रोटेक्शन

31.ELCB = Earth Leakage Circuit Breaker = अर्थ लीकेज सर्किट ब्रेकर
32.HRC = fuse High Rupture Capacity fuse = फ्यूज हाई रप्चर कैपेसिटी फ्यूज
33.OLTC = On Load Tap Changer =ओन लोड टैप चेंजर
34.FCMA = Flux Compensated Magnetic Amplifier =फ्लक्स कोम्पेंसटेड मैग्नेटिक एंपलीफायर
35.UPS = Un-interrupted Power Supply = अन इंटरेपटड पावर सप्लाई
36.SMF Battery = Sealed Maintenance Free Battery = शील्ड मेंटेनेंस फ्री बैटरी
37.JB = Junction Box =जंक्शन बॉक्स
38.PB = Push Button = पुश बटन
39.TB = Terminal Box = टर्मिनल बॉक्स
40.LCB = Local Control Board = लोकल कंट्रोल बोर्ड
[04/11, 8:40 p.m.] ROHAN DADARAO WANKHADE: 41.LCS = Local Control Station = लोकल कंट्रोल स्टेशन
42.SPNDB = Short circuit Protection Neutral Distribution Board = शार्ट सर्किट प्रोटक्शन न्यूट्रल डिस्ट्रीब्यूशन बोर्ड
43.TPNDB =Three Phase and Neutral Distribution Board = थ्री फेज एंड न्यूट्रल डिस्ट्रीब्यूशन बोर्ड
44.CT = Current Transformer = करंट ट्रांसफार्मर
45.PT = Potential Transformer = पोटेंशियल ट्रांसफार्मर
46.SCIM = Squirrel Cage Induction Motor = स्कुइर्रेल केज इंडक्शन मोटर
47.ACVS = Air Conditioning and Ventilation System =कंडीशनिंग एंड वेंटिलेशन सिस्टम
48.FDA = Fire Detection and Alarm =फायर डिटेक्शन एंड अलार्म
49.PCS = Pull Cord Switch = पुल कार्ड स्विच
50.ZSS = Zero Speed Switch =जीरो स्पीड स्विच

51.BSS = Belt Sway Switch = बेल्ट सवे स्विच
52.NO = Normally Opened = नॉर्मल ओपन
53.NC = Normally Closed = नॉर्मली क्लोज
54.TEFC = Total Enclosed Fan Cooled = टोटल इन क्लोज्ड फैन कुल्ड
55.TESC = Totally Enclosed Surface Cooled = टोटल इन क्लोज सरफेस कुल्ड
56.ISMC = Indian Standard Medium weight Channel =इंडियन स्टैंडर्ड मीडियम वेट चैनल
57. GI busbar = Galvanized Iron bus bar (for Earthing) = गैल्वेनाइज्ड आयरन बस बार
Source :electricalLearners

Pole Mounted substation

Pole Mounted substation view 

Pole Mounted substation
Electricalforu (4youelectrical)

Pole Mounted substation view | Electricalforu | Substation |4youelecrtrical

Important Topics for Electrical Engineering Drawing for DEEE IV SEM TSSBTET

Electrical engineering Drawing Preparation Important topics TSSBTET DEEE iV Sem part-1

Electrical engineering Drawing Preparation Important topics TSSBTET DEEE iV Sem Part 2

Important Topics for Electrical Engineering Drawing for Diploma Iv SEM drawing DEEE

Part1 

Competitive Books List for Electrical engineering

 BOOKS USEFUL ELECTRICAL ENGINEERING

HERE THE LIST OF   BOOKS USEFUL ELECTRICAL ENGINEERING


The following books mainly useful for who are preparing for the comptetavie exams for GATE ,SSS JE, RRB JE, TSSPDCL AE,SE, TSTRANSCO AE, TSNPDCL AE, APTRANSCO, APSPDCL,APEPDCL





BOOKS AVAILABLE AT ONLINE STORE  AND THERE PRICES

Source: Amazon.in

Devices and their Use physics Audio GK

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