✨ Performance Measures and Statistics
7 SEPTEMBER NEW ZEALAND GAZETTE
3. Performance Measures and Statistics for the year ending 31 March 1998 (continued)
| Regulation 16: | Year Ended 31 March |
|---|---|
| 1998 | |
| 5. Reliability Performance Measures | |
| (1) Interruptions | |
| Class A | 1 |
| Class B | 645 |
| Class C | 1,032 |
| Class D | 5 |
| Class E | 0 |
| Class F | 0 |
| Class G | 0 |
| Total | 1,683 |
Total number of faults per 100 circuit kilometers of prescribed voltage electric lines
| (2) Total System: |
| - 110kV | 0 | 3.95 | 0 | 0 |
| - 66kV | 4.87 | 0.70 | 3.48 | 4.17 |
| - 33kV | 8.03 | 10.10| 4.70 | 7.80 |
| - 11kV | 14.19| 22.47| 22.04| 24.42|
| Total | 13.32| 20.70| 19.79| 22.20|
| (3) Underground Circuit:|
| - 33kV | 2.18 | 2.27 | 3.49 | 2.45 |
| - 11kV | 6.78 | 6.14 | 5.26 | 8.34 |
| Total | 6.42 | 5.83 | 5.12 | 7.87 |
| (4) Overhead Line: |
| - 110kV | 0 | 3.95 | 0 | 0 |
| - 66kV | 4.87 | 0.70 | 3.48 | 4.17 |
| - 33kV | 8.81 | 11.12| 4.85 | 8.45 |
| - 11kV | 15.62| 25.65| 25.10| 27.25|
| Total | 14.58| 23.33| 22.30| 24.57|
| (5) The SAIDI for total of interruptions (minutes): | 171.19 | 219.40 | 233.00 | 309.00 |
| (6) The SAIDI for total interruptions within each interruption class (minutes): |
| Class A | 0.00 | 0.00 | 63.40 | 62.00 |
| Class B | 28.39 | 23.01 | 28.50 | 44.00 |
| Class C | 134.25| 164.93| 129.10| 154.00|
| Class D | 8.55 | 31.54 | 12.00 | 49.00 |
| Class E | 0.00 | 0.00 | 0.00 | 0.00 |
| Class F | 0.00 | 0.00 | 0.00 | 0.00 |
| Class G | 0.00 | 0.00 | 0.00 | 0.00 |
| (7) The SAIFI for total of interruptions: | 2.90 | 4.58 | 3.36 | 5.06 |
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VUW Te Waharoa —
NZ Gazette 1998, No 135
NZLII —
NZ Gazette 1998, No 135
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Performance Measures and Statistics for the year ending 31 March 1998
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