MORE than a supplier

Line Protection Products (Technical Library)

Technical Notes

• Special considerations of feeder protection for breaker-and-a half configurations (PDF, 350k)
• Different representations of the earth impedance matching in distance protection relays (PDF, 220k)

Seminar Materials

Copies of recent presentations at our seminars are available for a limited time download:

Distance Protection - November 2009 (Wellington Introductory Sessions)

• Part 1 – Symmetrical Components (PDF, 142k)
• Part 2 – CT and VT Performance Requirements (PDF, 246k)
• Part 3 – Power Swing (PDF, 372k)

Distance Protection - November 2009 (Wellington, Christchurch & Auckland, Advanced Sessions)

• Part 1 – Distance Protection (PDF, 380k)
• Part 2 – Examples(PDF, 300k)
• Part 3 – Special Cases (PDF, 158k)
• Part 4 – Teleprotection and Weak Infeed (PDF, 1.4MB)

Back to Technical Library Overview