pmec manual part1

7/23/2019 Pmec Manual Part1

1/52

Our Mission

We are committed to

holistically developsocially responsible

technical experts,

leaders and managers

of industry and in

particular, the electric

power sector.

We provide creative

training solutions

within a total learning

ambiance.

Our Vision

We are the premier

development center

creating a brighter

future with sociallyresponsible

technical experts,

leaders and

managers.

Page 1


2/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 2

GENERAL DEFINITION:

TRANSFORMER IS A DEVICE THAT TRANSFERS ELECTRICAL

ENERGY FROM ONE ELECTRIC CIRCUIT TO ANOTHER

WITHOUT A CHANGE IN FREQUENCY, DOES SO BY THE

PRINCIPLE OF ELECTROMAGNETIC INDUCTION AND HAS

ELECTRIC CIRCUITS THAT ARE LINKED BY A COMMON

MAGNETIC CIRCUIT.


3/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 3

NEMA AND IIEE TRANSFORMER CLASSIFICATION

1. DISTRIBUTION TYPE - BETWEEN 3 AND 5OO KVA AND A

NETWORK TRANSFORMER

2. POWER TYPE - ANY RATING ABOVE 500 KVA

EXCEPT NETWORK TRANSFORMERS


4/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 4

BASIC TYPES OF TRANSFORMERS AS DEFINED

BY ANSI OR NEMA

1. OIL FILLED

2. NON-FLAMMABLE INSULATING LIQUID FILLED

3. DRY TYPE

. GAS FILLED

BASIC TYPES ACCORDING TO CONSTRUCTION

1. S!ELL TYPE

2. CORE TYPE


5/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page WHEN SPECUFYING A TRANSFORMER FOR A PARTICULAR

APPLICATION, THE ENGINEER MUST CONSIDER THE FOLLOWING

CHARACTERISTICS:

1. KVA RATING

2. NUMBER OF P!ASES

3. FREQUENCY

. INDOOR OR OUTDOOR SERVICE

5. VOLTAGE RATINGS

". VOLTAGE TAPS

#. WINDING CONNECTIONS

$. TYPE OF COOLING

%. BASIC IMPULSE INSULATION LEVEL &BIL'

10. EFFICIENCY

11. GROUNDING REQUIREMENT

12. ACCESSORIES


6/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page !

POWER TRANSFORMER ACCESSORIES


7/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page "

METHODS OF POWER TRANSFORMER COOLING SYSTEM

PROVISION OF(

1. RADIATORS

2. COOLING FANS

3. OIL PUMP &FOR OIL CIRCULATION'


8/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page #TYPES OF CONSERVATOR OIL PRESERVATION SYSTEM

1. DIAP!RAGM TYPE

2. AIR BAG)AIR CELL)ATMOSEAL TYPE

ADVANTAGES OF CONSERVATOR TYPE OIL PRESERVATION SYSTEM

1. MAINTAINS !IG! DIELELCTRIC INTEGRITY OF OIL

2. POSITIVE STATIC PRESSURE ON UNIT AT ALL TIMES

3. REDUCED MAINTENANCE


9/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page $AIR BAG TYPE CONSERVATOR


10/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 1%

TEMPERATURE INDICATORS

1. WINDING TEMPERATURE INDICATOR

2. INSULATING OIL TEMPERATURE INDICATOR


11/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 11

BUCHOLZ RELAY

T!E BUC!OL* RELAY SUPERVISES T!E FOLLOWING(

1. GAS FORMATION DUE TO INTERNAL INCIPIENT FAULTS

2. LOSS OF OIL

3. PRESSURE SURGE

. SUDDEN OIL FLOW


12/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 12

BUCHOLZ RELAY


13/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 13

BUCHOLZ RELAY COMPONENTS

1 - FLOAT (FOR ALARM

1! - FLOAT (FOR TRIP


14/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 14

BUCHOLZ RELAY FUNCTIONS

1 - GAS ACCUMULATION

GASES MOVE TO T!E TOP AND ACCUMULATES

IN T!E BUC!OL* RELAY+ DISPLACES T!E

LIQUID LEVEL UNTIL T!E ALARM FLOAT

SLIDES T!E PERMANENT MAGNET TO

OPERATE T!E ALARM CONTACT.

"- LOSS OF INSULATION LIQUID

T!E UPPER FLOAT MOVES DOWN

ACCORDING TO T!E FALLING

LIQUID LEVEL AND INTITIATES T!E

ALARM CONTACT.

# - SUDDEN FLOW OF INSULATION LIQUID

IF T!E FLOW VELOCITY EXCEEDS T!E

RESPONSIVENESS OF DAMPER+ T!E

DAMPER MOVES ABRUPTLY FORCING T!E

LOWER FLOAT TO OPERATE T!E TRIP CONTACT


15/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 1

PRESSURE RELIEF DEVICE

A SPRING LOADED DEVICE T!AT RELEASES T!E

T!E INTERNAL PRESSURE SURGE IF VERY !IG! ENERGY

ARC DISC!ARGING OCCURS INSIDE T!E UNIT UNDER

PROTECTION.

!AS TRIP CONTACTS T!AT ISOLATES T!E TRANSFORMER

IN T!E EVENT T!E SET OPERATING PRESSURE IS REAC!ED.


16/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 1!

PARTS OF A PRESSURE RELIEF DEVICE


17/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 1"

BREATHER

CONNECTED TO T!E CONSERVATOR AND FILLED WIT!

SILICA GEL T!AT TRAPS AND PREVENTS MOISTURE TO

CONTAMINATE T!E INSULATING OIL DURING T!E NORMAL

CONTRACTION AND EXPANSION OF T!E OIL


18/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 1#

ON LOAD TAP CHANGER (OLTC

OLTC,S WERE INTRODUCED TO T!E TRANSFORMERS TO

C!ANGE UNDER LOAD T!E TURNS RATIO OF T!E WINDINGS

TO CONTROL AND REGULATE T!E UTILI*ATION VOLTAGE

BASIC ARRANGEMENTS OF TAPPED WINDINGS

1. LINEAR - APPLIED TO A MODERATE REGULATING RANGE UP

TO A MAXIMUM OF 20

2. REVERSING - TAPPED WINGDING CAN BE ADDED OR SUBTRACTED

FROM T!E MAIN WINDING IN W!C! CASE T!E

REGULATING RANGE CAN BE ENLARGED OR T!E

NU MBER OF TAPS ON T!E TAPPED WINDING REDUCED.

3. COARSE)FINE - ADVANTAGE IS LOWER COPPER LOSSES AT T!E MINIMUM

NUMBER OF TURN TAP POSITION. T!IS SC!EME ALLOWS LARGE

REGULATING RANGES.


19/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 1$


20/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 2%

OPERATING SEQUENCE OF TAP SELECTOR AND

DIVERTER SWITCH


21/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


technical experts,

leaders and

managers.

Page 21


22/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter

future with socially

responsible

technical experts,

leaders and

managers.

Page 22

POWER CIRCUIT BREAKERS


23/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 23

POWER CIRCUIT BREAKER

DEFINITION(

AN ELECTRICAL DEVICE CAPABLE OF(

1. CARRYING NORMAL LOAD CURRENT TO W!IC! IT IS DESIGNED

2. MAKING AND BREAKING NORMAL LOAD CURRENT

&CAPABLE OF MULTIPLE INTERRUPTION OF NORMAL

LAOD CURRENT'

3. INTERRUPTING RATED FAULT CURRENT TO W!IC! IT IS DESIGNED

&CAPABLE OF MULTIPLE INTERRUPTION OF

RATED FAULT CURRENT'

. WIT!STANDING MOMENTARY FAULT CURRENT


24/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 24

MAIN FUNCTIONS$PURPOSES OF POWER CIRCUIT BREAKERS

1. INTERRUPT FAULT CURRENT AS QUICKLY AS POSSIBLE

2. ISOLATE AFFECTED CIRCUITS TO MINIMI*E DAMAGE TO OT!ER

EQUIPMENT

3. ENSURES CONTINUITY OF SERVICE


25/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 2

TYPES OF CIRCUIT BREAKER

CLASSIFICATION ACCORDING TO ARC QUENC!ING MEDIUM

1. OIL CIRCUIT BREAKER &OCB'

2. AIR CIRCUIT BREAKER &ACB'

3. GAS CIRCUIT BREAKER &GCB'

. VACUUM CIRCUIT BREAKER &VCB'


26/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 2!

TYPES OF CIRCUIT BREAKER

CLASSIFICATION ACCORDING TO OPERATING MEC!ANISM

1. MAGNETIC OR MAGNEBLAST

2. PNEUMATIC

3. SPRING OPERATED

. !YDRAULIC


27/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 2"

METHODS OF ARC DISTINGUISHING

1.OIL CIRCUIT BREAKERA. COOLING T!E ARC BY PUMPING OIL INSIDE T!E INTERRUPTERB. ABSORBS !EAT BROUG!T ABOUT BY T!E ARCC. GOOD INSULATING MEDIUM W!IC! PREVENTS RESTRIKING

OF INTERRUPTED CURRENT

2. AIR CIRCUIT BREAKER

A. BLOWING OF AIR TO T!E ARC TOWARDS T!E ARC C!UTES

#. GAS CIRCUUIT BREAKER

A. PUFFING SF" GAS TO T!E INTERRUPTER AND ABSORBING !EAT

BROUG!T ABOUT BY T!E ARC.

B. !IG! DIELECTRIC STRENGT! OF SULFUR !EXAFLOURIDE &SF"'

PREVENTS RESTRIKING OF INTERRUPTED CURRENT.

. VACUUM CIRCUIT BREAKERA. AIR W!IC! CONTRIBUTES TO ARC PRODUCTION IS ABSENT+

T!US NO ARC IS PRODUCED DURING CURRENT INTERRUPTION.


28/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 2#

CHARACTERISTICS AND PROPERTIES REQUIRED

FOR CIRCUIT BREAKERSARC E%TINGUISHING MEDIUMS

A. CAPABLE OF EXTINGUIS!ING ARC BROUG!T ABOUT BY

NORMAL OR FAULT CURRENT INTERRUPTION

B. MINIMI*E OR ELIMINATE ARC PRODUCTION DURING FAULT

CURRENT INTERRUPTION.

C. CAPABLE OF ABSORBING !EAT.

D. CAPABLE OF WIT!STANDING RECOVERY VOLTAGE AFTER

FAULT INTERRUPTION


29/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 2$

SMPLE OF A TYPCIAL

WITHDRAWABLE TYPE

AIR CIRCUIT BREAKER


30/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 3%COMPARISON OF POWER CIRCUIT BREAKERS

A.OIL CIRCUIT BREAKER

ADVANTAGES(

1. RECOMMENDED FOR LARGE CURRENT INTERRUPTION

2. INSULATING MEDIUM IS RECLAIMABLE.

3. !AS LITTLE CURRENT C!OPPING TENDENCY

. REQUIRES LESS MAINTENACE TIME FOR MAOR SERVICING

DISADVANTAGES(

1. INSULATING MEDIUM DETERIOTES EASILY

2. REQUIRES REGULAR MAINTENANCE

3. USUALLY REQUIRES LARGE TANK VOLUME AS COMPARED TO

GCBS AND VCBS.

. WIT! S!ORTER CONTACT LIFE

5. DANGER OF FIRE OR OF AN EXPLOSION IS PRESENT BECAUSE

INSULATING OIL IS FLAMMABLE AT CERTAIN TEMPERATURES

". REQUIRES A LARGE AMOUNT OF FORCE TO OPERATE BECAUSE

DISTANCE REQUIREMENT OF CONTACTS.


31/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 31

TYPICAL COMPONENTS

OF AN OIL CIRCUIT

BREAKER


32/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 32


33/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 33

OIL CIRCUIT BREAKER

INTERRUPTER


34/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 34COMPARISON OF POWER CIRCUIT BREAKERS

B. GAS CIRCUIT BREAKER

ADVANTAGES(

1. REQUIRES SMALLER TANK MODULE TO INSULATE LIVE PARTS

2. !IG! DIELECTRIC STRENGT! OF SF" GAS PREVENTS RESTRIKING

VOLTGE DURING FAULT INTERRUPTION

3. REQUIRES LESS MAINTENANCE COMPARED TO OCBS

. DETERIORATION OF SF" GAS DUE TO ARC QUENC!ING

IS NEGLIBLE

5. GOOD FOR CAPACITIVE SWITC!ING DUE TO FAST RECOVERY

OF DIELECTRIC STRENGT! OF SF" GAS

". GOOD FOR INDUCTIVE SWITC!ING DUE TO MINIMAL TENDENCY

IN CURRENT C!OPPING.

#. CONTACT LIFE IS MORE T!AN FOUR TIMES T!AN IN OIL CIRCUIT BREAKERS

$. SF" GAS IS NON-TOXIC AND NON-COMBUSTIBLE IN ITS

PURE STATE

%. SF" GAS IS RECLAIMABLE T!ROUG! T!E GAS RETRIEVING MAC!INE


35/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 3

COMPARISON OF POWER CIRCUIT BREAKERS

A. GAS CIRCUIT BREAKER

DISADVANTAGES(

1. COST OF SF" GAS IS VERY EXPENSIVE

2. !ARD TO DETECT SF" GAS LEAKS

3. MAINTENANCE OF SF" GAS PRESSURE IS REUIRED INSIDE T!E MODULE IS REQUIRED TO BE OPERATIONAL

. REQUIRES LONGER MAINTENANCE TIME FOR MAOR SERVICING

&VACUUM DRYING OF MODULE IS NECESSARY TO ENSURE NO

MOISTURE BUILD UP INSIDE T!E MODULE'

5. GAS DECOMPOSITION PRODUCTS PRODUCED DURING ARC

DISC!ARGE IS !ARMFUL.


36/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 3!

SAMPLE OUTLINE OF A PNEUMATIC GAS CIRCUIT BREAKER


37/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 3"

TYPICAL PARTS OF A GAS CIRCUIT BREAKER


38/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 3#

GAS CIRCUIT BREAKER SF& PUFFER INTERRUPTER


39/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 3$

CHARACTERISTICS OF SULFUR HE%AFLOURIDE (SF& GAS

1. OUTSTANDING ARC QUENC!ING PROPERTY

2. CAN REBOUND TO SAME DIELECTRIC STRENGT! IN A VERY

S!ORT TIME

3. BASICALLY ODORLESS+ COLORLESS AND NON-TOXIC

. NON-FLAMMABLE

5. INERT GAS/ T!ERMALLY AND C!EMICALLY VERY STABLE

". !AS A VERY !IG! DIELECTRIC STRENGT! & CAN INSULATE TO

APPROXIMATELY 200V)'

#. FIVE TIMES MORE !EAVIER T!AN AIR


40/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsible

technical experts,

leaders and

managers.

Page 4%

COMPARISON OF POWER CIRCUIT BREAKERS

C. VACUUM CIRCUIT BREAKER

ADVANTAGES(

1. CONSTANT DIELECTRIC STRENGT! BECAUSE T!ERE IS

NO GA DECOMPOSITION

2. CONTACT WEAR IS MINIMAL BECAUSE CONTACTS DON,T

OXIDI*E IN VACUUM

3. !IG! TOTAL CURRENT SWITC!ED - 30+000 TIMES FOR

NORMAL CURRENT INTERRUPTION

. ECONOMICAL

5. MAINTENANCE REQUIREMENT IS VERY MINIMAL. ONLY T!E

CONTACT RESISTANCE AND INTEGRITY OF T!E VACUUM

IS TO BE MONITORED.

DISADVANTAGES(

1. LEAK OF VACUUM IS VERY !ARD TO DETECT IF BREAKER IS CLOSED

2. REPLACEMENT OF VACUUM BOTTLE USUALLY REQUIRES AN

EXPERT BECAUSE OF FACTORY CLEARANCE CONCERNS


41/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter


responsibletechnical experts,

leaders and

managers.

Page 41


42/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 42

VACUUM

CIRCUIT

BREAKER

(WITHDRAWABLE TYPE


43/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 43

CUTAWAY VIEW

OF A VACUUM

CIRCUIT BREAKER


44/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 44

SWITCHGEARS


45/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 4

CONVENTINAL SUBSTATION


46/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 4!

GAS INSULATED SWITCHGEAR CROSS SECTIONAL VIEW


47/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 4"

COMBINED DISCONNECTOR AND EARTHING SWITCH


48/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 4#

SEQUENCE OF SF& GAS ARC QUENCHING


49/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 4$


50/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page %


51/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


ambiance.

Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

Page 1


52/52

Our Mission

We are committed to


technical experts,


of industry and in


power sector.

We provide creative

training solutions


Our Vision

We are the premier

development center

creating a brighter



leaders and

managers.

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