Download - Pmec Manual Part1
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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
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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 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.
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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 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
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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 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
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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 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
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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 !
POWER TRANSFORMER ACCESSORIES
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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 "
METHODS OF POWER TRANSFORMER COOLING SYSTEM
PROVISION OF(
1. RADIATORS
2. COOLING FANS
3. OIL PUMP &FOR OIL CIRCULATION'
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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 #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
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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 $AIR BAG TYPE CONSERVATOR
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Our Mission
We are committed to
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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%
TEMPERATURE INDICATORS
1. WINDING TEMPERATURE INDICATOR
2. INSULATING OIL TEMPERATURE INDICATOR
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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 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
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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 12
BUCHOLZ RELAY
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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 13
BUCHOLZ RELAY COMPONENTS
1 - FLOAT (FOR ALARM
1! - FLOAT (FOR TRIP
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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 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
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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
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.
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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!
PARTS OF A PRESSURE RELIEF DEVICE
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Our Mission
We are committed to
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technical experts,
leaders and managers
of industry and in
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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"
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
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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#
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.
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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$
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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 2%
OPERATING SEQUENCE OF TAP SELECTOR AND
DIVERTER SWITCH
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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 21
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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 socially
responsible
technical experts,
leaders and
managers.
Page 22
POWER CIRCUIT BREAKERS
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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 socially
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
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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 socially
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
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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 socially
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'
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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 socially
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
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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 socially
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.
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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 socially
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
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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 socially
responsible
technical experts,
leaders and
managers.
Page 2$
SMPLE OF A TYPCIAL
WITHDRAWABLE TYPE
AIR CIRCUIT BREAKER
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Our Mission
We are committed to
holistically developsocially responsible
technical experts,
leaders and managers
of industry and in
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power sector.
We provide creative
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within a total learning
ambiance.
Our Vision
We are the premier
development center
creating a brighter
future with socially
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.
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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 socially
responsible
technical experts,
leaders and
managers.
Page 31
TYPICAL COMPONENTS
OF AN OIL CIRCUIT
BREAKER
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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 socially
responsible
technical experts,
leaders and
managers.
Page 32
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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 socially
responsible
technical experts,
leaders and
managers.
Page 33
OIL CIRCUIT BREAKER
INTERRUPTER
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Our Mission
We are committed to
holistically developsocially responsible
technical experts,
leaders and managers
of industry and in
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power sector.
We provide creative
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within a total learning
ambiance.
Our Vision
We are the premier
development center
creating a brighter
future with socially
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
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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 socially
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.
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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 socially
responsible
technical experts,
leaders and
managers.
Page 3!
SAMPLE OUTLINE OF A PNEUMATIC GAS CIRCUIT BREAKER
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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 socially
responsible
technical experts,
leaders and
managers.
Page 3"
TYPICAL PARTS OF A GAS CIRCUIT BREAKER
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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 socially
responsible
technical experts,
leaders and
managers.
Page 3#
GAS CIRCUIT BREAKER SF& PUFFER INTERRUPTER
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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 socially
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
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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 socially
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
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 41
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 42
VACUUM
CIRCUIT
BREAKER
(WITHDRAWABLE TYPE
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 43
CUTAWAY VIEW
OF A VACUUM
CIRCUIT BREAKER
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 44
SWITCHGEARS
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 4
CONVENTINAL SUBSTATION
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 4!
GAS INSULATED SWITCHGEAR CROSS SECTIONAL VIEW
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 4"
COMBINED DISCONNECTOR AND EARTHING SWITCH
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 4#
SEQUENCE OF SF& GAS ARC QUENCHING
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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 socially
responsibletechnical experts,
leaders and
managers.
Page 4$
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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 socially
responsibletechnical experts,
leaders and
managers.
Page %
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51/52
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 socially
responsibletechnical experts,
leaders and
managers.
Page 1
-
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52/52
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
Our Vision
We are the premier
development center
creating a brighter
future with socially
responsibletechnical experts,
leaders and
managers.
Page 2
CAPACITOR BANKS