β¨ Electricity Reliability Performance Measures
3658
NEW ZEALAND GAZETTE, No. 149
31 AUGUST 2005
Reliability Performance Measures (Requirement 21)
Interruptions
| Interruptions | Average Interruption Targets 2005/2010 | Interruption Targets 2006 | Actual Interruptions | ||
|---|---|---|---|---|---|
| 2005 | 2004 | 2003 | |||
| Class A | 0 | 1 | 1 | 237 | |
| Class B | 70 | 72 | 123 | 115 | 130 |
| Planned interruptions | |||||
| Unplanned interruptions | |||||
| Class C | 127 | 130 | 235 | 247 | 214 |
| Class D | 2 | 2 | 2 | 1 | |
| Class E | 0 | 1 | 0 | 0 | |
| Class F | 0 | 0 | 0 | ||
| Class G | 0 | 0 | 1 | 0 | |
| Class H | 0 | ||||
| Class I | 0 | ||||
| Total | 360 | 346 | 348 | 376 |
Proportion of Total Class C Interruptions not restored: (= n*h*100/1)
where -
a = No. of interruptions not restored within
b = Total number of Class C interruptions
Proportion expressed as a percentage
| Within 3 Hours | Within 24 Hours | |
|---|---|---|
| 80 | 4 | |
| 235 | 235 | |
| 34.04% | 1.70% |
Faults
| Faults per 100 circuit kilometres of prescribed voltage electric line | Average Faults Targets 2006/10 | Faults Targets 2006 | Actual number of faults |
|---|---|---|---|
| 2005 | |||
| Nominal Voltage | |||
| 50kV | 3 | 3 | 2 |
| 33kV | 6 | 0 | 0 |
| 11kV | 7 | 7 | 8 |
| Total | 6 | 6 | 8 |
| Faults per 100 circuit kilometres of underground prescribed voltage electric line | Actual number of faults |
|---|---|
| 2005 | |
| Nominal Voltage | |
| 50kV | 0 |
| 33kV | 0 |
| 11kV | 8 |
| Total | 8 |
| Faults per 100 circuit kilometres of overhead prescribed voltage electric line | Actual number of faults |
|---|---|
| 2005 | |
| Nominal Voltage | |
| 50kV | 2 |
| 33kV | 3 |
| 11kV | 8 |
| Total | 7 |
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Online Sources for this page:
VUW Te Waharoa —
NZ Gazette 2005, No 149
Gazette.govt.nz —
NZ Gazette 2005, No 149
β¨ LLM interpretation of page content
ποΈ
Reliability Performance Measures (Requirement 21)
(continued from previous page)
ποΈ Infrastructure & Public WorksInterruptions, Faults, Class A, Class B, Class C, Class D, Class E, Class F, Class G, Class H, Class I, 50kV, 33kV, 11kV, Electricity, Performance, Reliability