New Zealand Gazette – 1995 – No. 91

Page 2724

✨ Electricity System Performance and Statistics

NEW ZEALAND GAZETTE

No. 91

PART IV

1 | Number of Interruptions by Class
| Description | Interruptions |
|--------------------------------|---------------|
| CLASS A Transpower planned | 5 |
| CLASS B Powerco planned | 100 |
| CLASS C Powerco unplanned | 360 |
| CLASS D Transpower unplanned | 12 |
| CLASS E ECNZ unplanned | 0 |
| CLASS F Other generation unplanned | 0 |
| CLASS G Other | 0 |
| Total | 477 |

2 | Total number of faults per 100 km of Line over 3.3 kV = 13.24
| Faults | 360.00 |
| Total line length | 2718.61 km |

3 | Total number of Faults per 100 km of Line
| kV | Faults | Faults/100 km |
|------|--------|---------------|
| 33 kV | Nil | Nil |
| 11 kV | Nil | Nil |

4 | The total number of faults of overhead line per 100 km over 3.3 kV = 13.24
| Voltage | Faults | Cct km | Faults /100 km |
|--------|--------|---------|-----------------|
| 33 kV | 19 | 175.60 | 10.82 |
| 22 kV | 48 | 60.53 | 79.30 |
| 11 kV | 289 | 2385.72 | 12.11 |
| 6.6 kV | 4 | 96.76 | 4.13 |

5 | SAIDI - Total Interruptions

Total SAIDI = 366.76

6 | SAIDI per Interruption Class
| Class | Description | SAIDI |
|--------|----------------------------|---------|
| CLASS A| Transpower planned | 68.79 |
| CLASS B| Powerco planned | 65.62 |
| CLASS C| Powerco unplanned | 209.28 |
| CLASS D| Transpower unplanned | 23.07 |
| CLASS E| ECNZ unplanned | 0.00 |
| CLASS F| Other generation unplanned | 0.00 |
| CLASS G| Other | 0.00 |
| (Total)| | 366.76 |

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VUW Te Waharoa — NZ Gazette 1995, No 91

NZLII — NZ Gazette 1995, No 91

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✨ LLM interpretation of page content

🏗️ Electricity System Performance and Statistics (continued from previous page)

Domain🏗️ Infrastructure & Public Works
KeywordsLoad Factor, Loss Ratio, Voltage, System Length, Transformer Capacity, Maximum Demand, Electricity Supply, Customers

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