cigre wg a3-06 cigre wg a3-06 ““hv equipment reliabilityhv ... · cigre wg a3-06 cigre wg a3-06...
Post on 29-Jul-2020
92 Views
Preview:
TRANSCRIPT
1
Cigre WG A3-06 “HV Equipment Reliability”Cigre WG A3-06 “HV Equipment Reliability”
Preliminary Results from Present Preliminary Results from Present CigreCigre SurveySurvey
DisconnectorsDisconnectors and Earthing switchesand Earthing switchesPopulation cards 2004Population cards 2004
Failure cards 2004 and 2005 (partly)Failure cards 2004 and 2005 (partly)
WG A3WG A3--06 Tutorial06 Tutorial TF TF DESDES
June 2006June 2006 J.G. J.G. KroneKrone, A. , A. HyrczakHyrczak, , KyongKyong--Yop Yop Park,Park,
Rio de JaneiroRio de Janeiro S. S. DesantiDesanti, T. , T. KuntzeKuntze
2
First survey on reliability of First survey on reliability of DisconnectorsDisconnectors and and EarthingEarthingswitchesswitches
Total of 21 countries participated both in GIS and AIS Total of 21 countries participated both in GIS and AIS equipmentequipment
SoSo far for far for 20042004 a total of a total of 223 820223 820disconnector/earthingswitchesdisconnector/earthingswitches are includedare included
Of which Of which 164669164669 in in AISAIS and and 5915159151 in in GISGIS
Cigre WG A3-06 “HV Equipment Reliability”Cigre WG A3-06 “HV Equipment Reliability”
3
Centre-break
disconnector
Double-break
disconnector
Cigre WG A3-06 “HV Equipment Reliability”Cigre WG A3-06 “HV Equipment Reliability”
Type of design
4
Knee-type
Disconnector
Vertical-break
Disconnector
Cigre WG A3-06 “HV Equipment Reliability”Cigre WG A3-06 “HV Equipment Reliability”
Type of design
5
Semi-pantograph
disconnector
Pantograph
disconnector
Cigre WG A3-06 “HV Equipment Reliability”Cigre WG A3-06 “HV Equipment Reliability”
Type of design
6
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
0
10000
20000
30000
40000
50000
60000
70000
60-100 kV 100-200kV 200-300kV 300-500kV 500-700kV >>700kV
Voltage class
Number per Voltage Class and Application
AISGIS-1phaseGIS-3phase
7
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
0
5000
10000
15000
20000
25000
30000
35000
40000
60-100kV 100-200kV 200-300kV 300-400kV 500-700kV >>700kV
Voltage class
Number per Voltage and Design
Center BreakDouble BreakKnee TypeVertical BreakSemi PantographPantographGIS DisconnectorLow Speed ESHigh Speed ESOther
8
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
0
5000
10000
15000
20000
25000
30000
35000
40000
60-100kV 100-200kV 200-300kV 300-500kV 500-700kV >>700kV
Voltage Class
Number per Voltage and Kind of Service
LineTransformerBusbarESOther
9
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
60-100kV 100-200kv 200-300kV 300-500kV 500-700kV >>700kvVoltage Class
Number per Voltage Class and Operating Mechanism
Electric - motorPneumaticSpringManualOther
10
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
0
10000
20000
30000
40000
50000
60000
70000
60-100kV 100-200kV 200-300kV 300-500kV 500-700kV >>700kV
Voltage Class
Number per Voltage Class and Location
IndoorOutdoorGIS IndoorGIS Indoor (s)GIS Outdoor (n)Hybrid GIS Indoor (N)GIS Out (S)Hybrid GIS Outdoor
11
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
0
10000
20000
30000
40000
50000
60000
60-100kV 100-200kV 200-300kV 300-500kV 500-700kV >>700kV
Voltage Class
Number per Voltage Class and Maintenance Philosophy
Time basedCondition basedRun to FailureCombination
12
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
Distribution GIS 1ph1%
21%
30%28%
20%
Distribution AIS
12%1% 1%
38%
48%
Distribution Total
16%
26%
33%
24%1% <<1974
1974-19831984-19931994-20032004-2007
Distribution GIS 3ph
30%
37%
27%
1% 5%
13
WG A3.06 - Reliability of HV equipment – DES population (2004)WG A3.06 - Reliability of HV equipment – DES population (2004)
0
5000
10000
15000
20000
25000
30000
35000
40000
<< 1974 1974 to 1983 1984 to 1993 1994 to 2003 2004 to 2007
Age
Number per Voltage class and Age
60-100kV 100-200kV 200-300kV 300-500kV 500-700kV >>700kV
14
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Minor / Major failure v. application
0%10%20%30%40%50%60%70%80%90%
100%
GIS - 1 phase GIS - 3 phase AIS
MajorMinor
15
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Line Transformer
BusbarEarthing switch
Other
0%10%20%30%40%50%60%70%80%90%
100%
Minor / major failure v. kind of service
Major
Minor
16
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Minor failure v. kind of service
42%
8%36%
13% 1%LineTransformerBusbarEarthing switchOther
Major failure v. kind of service
40%
10%30%
19% 1%LineTransformerBusbarEarthing switchOther
17
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Minor failure v. operating mechanism
1%
0%
33%
62%
4%
Electric motorPneumaticSpringManualOther
Major failure v. operating mechanism
39% 55%
0%6%0%
Electric motorPneumaticSpringManualOther
18
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Minor failure v. service condition
2%
40%27%
0%
31%0%
Deenergised, availablefor serviceNormal service - nooperationNormal serviceoperation demandedFault making operation
Operation withoutcommandDuring or directly aftertesting, maintenance
19
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Major failure v. service condition
6%0%
1%
8%
24%
61%
Deenergised, availablefor serviceNormal service - nooperationNormal serviceoperation demandedFault making operation
Operation withoutcommandDuring or directly aftertesting, maintenance
20
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Minor failure v. design
1%
2%
1%
4%
6%
0%
2%
12%
21%
51%
Center break
Double break
Knee type
Vertical break
Semi pantograph
Pantograph
GIS disconnector
Low speed earthing switch
High speed earthing switch
Other
21
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Major failure v. design
43%
21%
3%
7%
0%
3%
5%
18%
0%
0%
Center breakDouble breakKnee typeVertical breakSemi pantographPantographGIS disconnectorLow speed earthing switchHigh speed earthing switchOther
22
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Type of repair12%
62%21%
2%
0%
1%
2%
Repair of failed component on siteRepair in factory or shopReplacement of failed component on site (without replacement of enclosure)Replacement of failed component and its enclosureReplacement of failed equipment with another designReplacement of seals or refilling onlyPlaced back into service without repair
23
WG A3.06 - Reliability of HV equipment – DES failuresWG A3.06 - Reliability of HV equipment – DES failures
Thanks for your attentionThanks for your attention
top related