avr basic
Post on 30-Oct-2015
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1 6 9 17 24 26 28 31
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(Resistance)
PR I R
(Inductance)
PX I X
2 (R) (X)
PR = I2R
PX = I2x
-
2 (I) VS VR (Equivalent Circuit) 1
1
VR = VS - IR - IX .{
{ 2
VR = VS - I(R - jX) .|
2 VR VS
S LVSI VR
R X
S (Source)L (Load)
IXIR
I VR
VS
-
3 () ( 22 33 ) 10%
1. (R)
2. (X) (Series Capacitor)
3. 2
3.1 1 3
-
4 3.2 (Power Factor)
3
4.
AVR
4
I1 I2S L2VS VR
R1 X1
VRAVR
R2 X2
L1
-
5 (VR) (VR)
5
-
6
Auto Transformer Auto Transformer
VP NP
VS NS
6
(VP) (VS)
(VP) (VS) 2
1. 2.
VP NP NS VS
..}
..~
S
S
P
PNV
NV =
P
SPS N
NVV =
-
7
7 Auto Transformer
Auto Transformer 3 1. (NMain )2. (NAux)3. (NTap)
NAux NTap NTap NTap NAux NMain NTap () Auto Transformer ( 7) 6
VP VSNMain
NTap
NAux
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8NP = NMain + NAux + NTapNS = NMain + NAux
NMain + NAux + NTap NTap NTap NMain NMain + NAux Auto Transformer
..
..
AuxMain
S
TapAuxMain
p
NNNNNVV++ =
TapAuxMain
AuxMain(PS NNN
)NNVV ++=
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9
Auto Transformer
8
4 1. (Sensing Device) (Instrument Transformer)
2. (Control Relay) (Voltage Regulating Relay)
SOURCE
LOAD
-
10
9 Voltage Regulating Relay Type MK30
3 - (Voltage Level) {
93 130 ( 22.5 22 33.8 33 2.5% ) 22 22000/110 22.5
VL
= 112.5 V
- (Bandwidth) } ( 275 22 412 33 )
V22000
110X22500VL =
-
11
0.6-6% Bandwidth Bandwidth 22 Bandwidth 1.5%
= 337.5 V
337.5
- (Time Delay) 1 10180 2 Linear (lin) Integrate (Int) 22.5 , Bandwidth 1.5%, Time Delay 180 Int 21.5
U|%| E|%| Bandwidth
V100
1.5X22500Bandwidth =
-
12
= 2.96
10 Time Delay Integrate (Int)
60 60
3. (Actuator) (Motor Drive Unit) ( 10 )
2.96
1.522.5
21.5)X100-(22.5
=%%E
U
%E%U
180
Time (s)
-
13
10 Motor Drive Unit Type MA9
{
|
} 21
~
30 1
4. (Tap Changer) (OLTC) 1 10 ( 10 ) 3 K ( 1 2) 1 21 22 23.1 - 17.6
{
|
}
~
-
14
1 23.1 21 17.6 ( 275 ) 23.1 33 34.6 - 26.4 ( 1 = 34.6 , 21 = 26.4 , 412 )
11
11 22 (VIN) 23.1 20.35 2.75 275 (10 = 2.75 ) 1 (VOUT) 23.1 20.35 10 23.1 K 1 K 2 ( 11) 1 ( 12- 21) 17.6 23.1 33 34.6 24.6 412
(NMain)
(NAux) (NTap)
11 10 9 8 7 6 5 4 3 2 1
KVIN
OLTC
AVR
VOUT
12
-
15
12 K 1
12 K 2AVR
VINVOUTNMain
NTap NAux
AVR
VINVOUT
NMain
NTap NAux
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16
3 ( 1 2 )
13
14
5 5 6 6
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17
Auto Transformer
15
1. Main Tank 2 (OLTC)
2. Conservator Tank 2 Main Tank Main Tank OLTC Main Tank
3. Radiator Main Tank Main Tank
4. Air Breather - 2 Conservator Tank ( OLTC)
Main Tank
Conservator Tank
Radiator
AirBreather
OLTC
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18
- Conservator Tank () - (Rubber Black) Air Breather
16
Main TankOLTC
Conservator Tank
Buchholz Relay Oil Flow Relay
Pressure Relief
Oil Level Guage
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19
1. Over current Relay OLTC 2
1.1 OLTC1.2 OLTC
2 Over current Relay
() 2. Buchholz Relay Main Tank Conservator Tank
Main Tank Conservator Tank Main Tank
17 Buchholz Relay
Main Tank Conservator Tank 2 1 1.4 (0.15) / ( Main Tank) 2 Main Tank Buchholz Relay Buchholz Relay 450 (20) 1 Main Tank
2
1
Alarm Trip
Main Tank Conservator Tank
-
20
2 Buchholz Relay ( 2 1 )
18 Buchholz Relay
3. Oil Flow Relay OLTC Conservator Tank OLTC Conservator Tank Buchholz Relay 1.2 (0.1) / Oil Flow Relay Oil Flow Relay Protective Relay Tap Changer Protection
-
21
19 Oil Flow Relay
4. Pressure Relief Device Explostion Vent Main Tank OLTC Tank Pressure Relief Device
20 Pressure Relief Device
TANK
-
22
Tank Tank ( 0.7 (0.07) /) Pressure Relief Device Pressure Relief Device
21 Pressure Relief Device
Pressure Relief Device Main Tank OLTC OLTC
5. Temperature Device Temperature Guage ( 22) () () Temperature Device 2
- (Alarm) 80 85 OC- (Trip) 85 - 90 OC Temperature Device
()
75 95 OC () 85 105 OC ()
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23
22 Temperature Gauge
6. Oil Level Guage 2 OLTC Main Tank Conservator Tank
23 Oil Level Gauge
-
24
() Flag Flag 2
1. Buchholz tripping 1. Buchholz warning2. Tap changer protection 2. Transformer liquid level max3. Temperature tripping 3. Transformer liquid level min4. Explosion vent 4. Tap changer liquid level max5. Over current relay trip 5. Tap changer liquid level min
6. Temperature warning
Flag Flag 1-4 5 1
24
Flag
,
-
25
(Over voltage relay) . 10% ( 24 kV 22 kV 36 kV 33 kV) Over voltage relay 4
25 Over voltage relay
(Power supply transformer) 5400 kVA 3 6600-380/220 V
-
26
26
.
27
Source LoadR
{|}
~
}
~
-
27
28
{ | } ~
1
{
|
}~
} ~
-
28
1. | 2. } ~ 3.
1. - } ~- /()
- - /
2. 2.1
- AUTO OFF- 1- OFF - - - |- } ~
Source LoadR
{|
~
}
-
29
2.2 - 1
OFF OFF
-
- } ~- ( Non-reclosing)- |- - - - ON - OFF AUTO- AUTO MANUAL AUTO
3. - 1- ( Non-reclosing)- |-
-
30
1.
2. 3.
4.
5. 1
6. 2 -
7.
-
31
-
.
1. (A) (MVA) 22 kV 33 kV
5.7 150 -8 200 -12 300 20016 400 -18 - 300
2.
PAUWELS - TRAFO OSAKA
TRAFO - UNION ELEKTRO - BAU
TIRA - THAI EKARAT
THAI - TRAFO CHAREAN - CHAI
-
EKARAT
-
TYPE MK20
-
TYPE MK20
1. 2. (Voltage Level) 3. (Voltage Level) 4. (Time Delay)5. ( linear integrade) 6. (Bandwidth)7. ( )8. Under Voltage9. (Auto , Manual Off)
10. ..11. 12. 13. ..14.
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TYPE MK30
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TYPE MK20
1. (Auto , Manual Off)2. 3. 4. 5. 6. 7. (Time Delay)8. ( linear integrade)9. (Bandwidth)10. (Voltage Level)11. (Local Remote)12. Under Voltage13. Over Voltage14. Over Current15. 16. 17. 18. 19. (V kV)20. 21.
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. ... .1. .......2. ..... ......3. ........4. ... Type .. ...5. Type..6. ..Type
6.1 (Voltage Level)6.2 (bandwidth)...6.3 (Time Delay)..
7. (Alarm). ( Trip). ...
8. 8.1 Main Tank ..(, , )8.2 OLTC...(, , )
1. . 2. 1 () 3. 1 () 4. . 5. 1 () .(, ) ....6. 1 () .(, ) .
-
... .. A .. . ... Bandwidth.. Voltage Level Time Delay ( ) Linear ( ) Integreate
1. ( ) ( ) ( ) / 2. ( ) ( ) 3. ( ) ( )
4. 4.1 ............. 4.2 .............. 5. 5.1 Main Tank ( ) ( ) ( )
OLTC ( ) ( ) ( ) 5.2 ( ) ( ) ..5.3 ( ) ( ) .5.4 ( ) ( ) .5.5 ( ) ( ) .
6. 6.1 ( ) ( ) 6.2 ( ) ( ) 6.3 ( ) ( )
7. 7.1 .....7.2 .....7.3 ..
8. Over Voltage Relay8.1 .....8.2 .....
8.3 ...
(.) ..
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